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Pittsburg County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Pittsburg County is about the same as Oklahoma average and is lower than the national average. The risk of tornado damage in Pittsburg County is much lower than Oklahoma average and is much higher than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #13

Pittsburg County
0.34
Oklahoma
0.31
U.S.
1.81

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

Volcano Index, #1

Pittsburg County
0.0000
Oklahoma
0.0000
U.S.
0.0023

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

Tornado Index, #59

Pittsburg County
248.34
Oklahoma
363.83
U.S.
136.45

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 18,356 other weather extremes events within 50 miles of Pittsburg County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:7Cold:10Dense Fog:15Drought:57
Dust Storm:1Flood:1,318Hail:9,487Heat:46Heavy Snow:74
High Surf:0Hurricane:0Ice Storm:47Landslide:0Strong Wind:87
Thunderstorm Winds:6,652Tropical Storm:2Wildfire:22Winter Storm:89Winter Weather:69
Other:373 

Volcanos Nearby

No volcano is found in or near Pittsburg County.

Historical Earthquake Events

A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Pittsburg County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
36.51969-05-024.6N/A35.2-96.3

Historical Tornado Events

A total of 108 historical tornado events that had recorded magnitude of 2 or above found in or near Pittsburg County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
0.81960-05-05234°55'N / 95°47'W34°57'N / 95°44'W4.10 Miles500 Yards0025K0Pittsburg
5.21950-03-27234°51'N / 95°45'W0.10 Mile77 Yards003K0Pittsburg
7.71955-02-28235°00'N / 95°51'W2.00 Miles33 Yards0025K0Pittsburg
10.01954-05-01234°53'N / 95°52'W35°13'N / 95°27'W32.90 Miles33 Yards0625K0Pittsburg
10.62008-05-10234°54'N / 96°01'W34°55'N / 95°51'W8.00 Miles200 Yards00500K0KPittsburg
 Brief Description: EVENT NARRATIVE: A strong tornado severely damaged homes, snapped and uprooted numerous trees, and blew down power poles and power lines. EPISODE NARRATIVE: Elevated severe thunderstorms containing large hail developed north of a warm front that was moving slowly northward across eastern Oklahoma and west central Arkansas during the morning and early afternoon of the 10th. Another round of severe thunderstorms developed late in the afternoon as a dry line approached the area from the west. Extreme instability and strong vertical wind shear resulted in the development of long-lived supercell thunderstorms that moved across eastern Oklahoma and northwestern Arkansas during the late afternoon and evening. Several of these supercells became tornadic and a few produced long-lived damaging tornadoes. One such supercell developed and moved along the Oklahoma-Kansas border and then into southwestern Missouri. This storm produced a tornado in northeastern Craig County OK that remained on the ground for 29 miles in Oklahoma, continued for about 31 miles in Newton County MO, and finally dissipated about 15 miles into Barry County MO. It produced EF-4 damage in several locations, including Picher, a small town in north-central Ottawa County OK. Twenty-one fatalities, over 350 injuries, and an estimated $60 million in property damage resulted from this tornado in Oklahoma and Missouri. Six of the fatalities and about 150 injuries occurred in Picher OK. Other strong tornadoes developed and moved across portions of Pittsburg and Latimer Counties. A EF-2 tornado was on the ground for about eight miles west of McAlester, damaging numerous homes in its path. Another EF-2 tornado developed southwest of Hartshorne in Pittsburg County and moved 19 miles before dissipating just east of Yanush in Latimer County. Four injuries resulted from that tornado and numerous homes were severely damaged or destroyed.
11.41966-04-27334°53'N / 96°00'W34°58'N / 95°54'W8.00 Miles400 Yards00250K0Pittsburg
12.91992-05-11434°45'N / 95°57'W34°47'N / 95°47'W10.00 Miles400 Yards03250K0Pittsburg
14.61957-04-02234°51'N / 95°34'W34°58'N / 95°25'W11.70 Miles440 Yards0025K0Pittsburg
15.21983-05-14234°56'N / 96°01'W0.10 Mile50 Yards00250K0Pittsburg
16.12008-05-10234°46'N / 95°36'W34°45'N / 95°30'W8.00 Miles400 Yards00200K0KPittsburg
 Brief Description: EVENT NARRATIVE: A tornado destroyed mobile homes, severely damaged permanent homes, snapped or uprooted numerous trees, destroyed barns and outbuildings, and blew down power poles and power lines. This tornado continued into Latimer County. EPISODE NARRATIVE: Elevated severe thunderstorms containing large hail developed north of a warm front that was moving slowly northward across eastern Oklahoma and west central Arkansas during the morning and early afternoon of the 10th. Another round of severe thunderstorms developed late in the afternoon as a dry line approached the area from the west. Extreme instability and strong vertical wind shear resulted in the development of long-lived supercell thunderstorms that moved across eastern Oklahoma and northwestern Arkansas during the late afternoon and evening. Several of these supercells became tornadic and a few produced long-lived damaging tornadoes. One such supercell developed and moved along the Oklahoma-Kansas border and then into southwestern Missouri. This storm produced a tornado in northeastern Craig County OK that remained on the ground for 29 miles in Oklahoma, continued for about 31 miles in Newton County MO, and finally dissipated about 15 miles into Barry County MO. It produced EF-4 damage in several locations, including Picher, a small town in north-central Ottawa County OK. Twenty-one fatalities, over 350 injuries, and an estimated $60 million in property damage resulted from this tornado in Oklahoma and Missouri. Six of the fatalities and about 150 injuries occurred in Picher OK. Other strong tornadoes developed and moved across portions of Pittsburg and Latimer Counties. A EF-2 tornado was on the ground for about eight miles west of McAlester, damaging numerous homes in its path. Another EF-2 tornado developed southwest of Hartshorne in Pittsburg County and moved 19 miles before dissipating just east of Yanush in Latimer County. Four injuries resulted from that tornado and numerous homes were severely damaged or destroyed.
17.11997-05-26335°10'N / 95°53'W35°09'N / 95°49'W5.00 Miles440 Yards01100K0Pittsburg
22.01992-05-11234°43'N / 96°06'W34°43'N / 95°59'W6.00 Miles300 Yards00250K0Pittsburg
22.71971-12-14235°11'N / 95°30'W0.10 Mile77 Yards00250K0Pittsburg
23.31964-07-28235°06'N / 96°06'W0.50 Mile33 Yards0025K0Hughes
23.41954-05-01235°13'N / 95°37'W35°16'N / 95°35'W4.30 Miles33 Yards0025K0Mcintosh
24.01975-12-05234°53'N / 95°20'W34°55'N / 95°19'W2.30 Miles350 Yards032.5M0Latimer
24.12008-05-10234°45'N / 95°30'W34°42'N / 95°18'W11.00 Miles580 Yards041.0M0KLatimer
 Brief Description: EVENT NARRATIVE: This tornado continued from Pittsburg County. As it moved into Latimer County, the tornado destroyed a double-wide mobile home, severely damaged another home and barn, and rolled an F350 pickup truck about 50 yards. Numerous trees were snapped or uprooted as the tornado approached Yanush. In Yanush, about 50 homes were damaged, eight of those were destroyed along with one business. Numerous sheds, barns, and outbuildings were destroyed. Numerous trees and power lines were blown down. EPISODE NARRATIVE: Elevated severe thunderstorms containing large hail developed north of a warm front that was moving slowly northward across eastern Oklahoma and west central Arkansas during the morning and early afternoon of the 10th. Another round of severe thunderstorms developed late in the afternoon as a dry line approached the area from the west. Extreme instability and strong vertical wind shear resulted in the development of long-lived supercell thunderstorms that moved across eastern Oklahoma and northwestern Arkansas during the late afternoon and evening. Several of these supercells became tornadic and a few produced long-lived damaging tornadoes. One such supercell developed and moved along the Oklahoma-Kansas border and then into southwestern Missouri. This storm produced a tornado in northeastern Craig County OK that remained on the ground for 29 miles in Oklahoma, continued for about 31 miles in Newton County MO, and finally dissipated about 15 miles into Barry County MO. It produced EF-4 damage in several locations, including Picher, a small town in north-central Ottawa County OK. Twenty-one fatalities, over 350 injuries, and an estimated $60 million in property damage resulted from this tornado in Oklahoma and Missouri. Six of the fatalities and about 150 injuries occurred in Picher OK. Other strong tornadoes developed and moved across portions of Pittsburg and Latimer Counties. A EF-2 tornado was on the ground for about eight miles west of McAlester, damaging numerous homes in its path. Another EF-2 tornado developed southwest of Hartshorne in Pittsburg County and moved 19 miles before dissipating just east of Yanush in Latimer County. Four injuries resulted from that tornado and numerous homes were severely damaged or destroyed.
24.91983-05-13234°59'N / 96°11'W0.10 Mile50 Yards0025K0Hughes
25.62008-05-10234°34'N / 95°42'W34°33'N / 95°40'W2.00 Miles100 Yards0075K0KAtoka
 Brief Description: EVENT NARRATIVE: The tornado continued into Pushmataha county before lifting 2.75 miles WSW of Adel. In Atoka County, three houses were damaged. The roof was removed and some of the exterior walls on one well-built home were collapsed. Numerous trees were uprooted or snapped above the ground. Monetary damage were estimated. EPISODE NARRATIVE: A powerful storm system strengthened over the central Plains during the day on Saturday, drawing rich gulf moisture north into eastern Oklahoma. A surface low pressure developed with a trailing cold front that moved quickly through western Oklahoma, and a dry line extending to the east of the cold front. Isolated severe thunderstorms developed near Hughes county early in the afternoon, with large hail reported in a few locations. Later in the afternoon, supercells over eastern Oklahoma expanded southwest. One supercell developed over far eastern Atoka county, producing a tornado near Daisy and large hail. Damage was reported with the tornado, but there were no injuries. Monetary damages were estimated.
26.41960-05-05235°17'N / 95°35'W1.00 Mile400 Yards0025K0Mcintosh
26.51992-05-11234°32'N / 95°38'W34°34'N / 95°40'W11.00 Miles100 Yards0025K0Pushmataha
26.82001-05-20235°12'N / 96°07'W35°15'N / 95°59'W8.00 Miles250 Yards00175K0Hughes
 Brief Description: A damage survey conducted by National Severe Storms Laboratory meteorologists confirmed F2 damage approximately 6 miles southwest of Dustin, when 80 percent of a house roof was blown off. As the tornado moved east-northeast sporadic roof damage was sustained to other homes; an antenna was wrapped around a telephone pole; trees were damaged; farm buildings were destroyed; power poles were bent, and two feeders were bent up. The tornado then tracked into McIntosh County. See storm data from the National Weather Service Office in Tulsa for more information on the McIntosh County segment of this tornado. Eye witnesses described the tornado as multiple-vortex. Severe thunderstorms affected most of central and eastern Oklahoma on the 20th. More than a dozen tornadoes were confirmed, with four occurring in the Norman Forecast Area. See Tulsa storm data for information on eastern Oklahoma tornadoes. Little damage from straight-line winds was reported, however there was a large amount of large hail.
26.91992-05-11234°41'N / 95°27'W34°49'N / 95°12'W16.00 Miles400 Yards01250K0Latimer
27.01966-04-27234°58'N / 96°15'W34°56'N / 96°12'W3.60 Miles150 Yards0125K0Hughes
27.11950-09-15235°00'N / 96°15'W35°04'N / 96°10'W6.80 Miles100 Yards06250K0Hughes
27.31992-05-11234°32'N / 95°44'W34°32'N / 95°38'W5.00 Miles100 Yards0025K0Atoka
27.51992-05-11234°40'N / 96°11'W34°43'N / 96°06'W4.00 Miles300 Yards00250K0Coal
27.91960-05-05434°53'N / 95°18'W34°38'N / 95°18'W17.20 Miles200 Yards131002.5M0Latimer
28.91970-06-11235°15'N / 95°30'W35°18'N / 95°26'W5.20 Miles440 Yards1142.5M0Pittsburg
30.81961-03-29235°06'N / 96°15'W0025K0Hughes
31.11998-06-08235°05'N / 95°14'W35°05'N / 95°14'W0.50 Mile50 Yards0060K0Haskell
 Brief Description: An F2 tornado destroyed one single family dwelling, while another single family dwelling received major damage. Summary of events for the evening of June 8 and the early morning of June 9 1998: A classic southern plains severe weather event shaped up on the afternoon and evening of June 8 as a number of isolated severe thunderstorms developed over central Oklahoma to the east of a dryline. The first severe thunderstorm to affect eastern Oklahoma scraped the northwestern part of Osage County, causing a report of a severe thunderstorm gust. This storm quickly died as it entered Kansas. A second more serious severe thunderstorm formed west of Oklahoma City and tracked all the way to the Arkansas state line south of Fort Smith, traversing Pittsburg, Haskell, and Le Flore Counties. This storm travelled east along an instability axis and a warm front. From a radar perspective, this storm was impressive in that it kept a classic, well-defined hook on its entire journey across southeast Oklahoma. From a human perspective, this storm was impressive in that it produced ten tornadoes in southeast Oklahoma, hail as large as golfballs, damaging thunderstorm winds, and torrential flooding rains. A third cluster of severe thunderstorms developed over Creek County and moved east across Okmulgee, Muskogee, Cherokee, and Adair Counties before weakening as it entered Arkansas. These storms slowed their movement across Muskogee County and regeneration along the southwest flank of the storms caused torrential rainfalls that dumped nearly three inches of rain in northern Muskogee, southern Cherokee, southern Adair, and northern Sequoyah Counties. In addition to flooding rains, these storms produced hail as large as nickels and damaging thunderstorm winds.
31.71959-05-09234°51'N / 96°18'W003K0Hughes
32.51970-06-11234°36'N / 95°20'W00250K0Pushmataha
32.81983-07-30235°20'N / 95°27'W0.10 Mile10 Yards0025K0Mcintosh
32.81961-03-26335°16'N / 95°43'W35°30'N / 95°28'W21.40 Miles200 Yards0125K0Mcintosh
33.01960-05-05434°58'N / 95°18'W35°04'N / 95°03'W15.70 Miles200 Yards002.5M0Latimer
33.92010-05-10235°24'N / 95°52'W35°25'N / 95°51'W2.00 Miles300 Yards0040K0KMcintosh
 Brief Description: EVENT NARRATIVE: A tornado destroyed a mobile home, damaged a barn, and snapped or uprooted numerous trees. The estimated peak wind in the tornado based on this damage was 115 mph. EPISODE NARRATIVE: Severe thunderstorms developed along and ahead of a dry line over central Oklahoma during the afternoon hours. Very unstable air along with very strong low level wind shear resulted in a number of supercell thunderstorms. These storms produced numerous tornadoes, very large hail, and damaging wind gusts as they moved eastward across eastern Oklahoma during the evening hours.
33.92001-04-11234°30'N / 96°10'W34°36'N / 96°06'W8.00 Miles200 Yards1175K0Coal
 Brief Description: This tornado formed 4 miles southeast of Coalgate and tracked northeastward for 8 miles before crossing into northwest Atoka County at 0434 CST (See following entry for information about the Atoka County segment). The tornado then continued for another 5 miles before dissipating at 0440 CST. In Coal County, 1 fatalilty and injuries to another person occurred when a mobile home was thrown approximately 200 yards and disintegrated 4 miles east of Coalgate. In addition, a well-constructed frame home suffered severe roof damage and exterior wall damage in extreme eastern Coal County. M41MH Six tornadoes across southern Oklahoma and one tornado across western north Texas developed during the overnight hours of the 11th. The most notable tornado formed across Coal County in Oklahoma and resulted in one fatality and one injury as it destroyed a mobile home. In addition to damage produced by severe thunderstorms, sustained winds of 40 to 50 mph with gusts as high as 73 mph developed just ahead of the most frequent period of severe weather and persisted for several hours. In Tillman County, at 2330 CST on the 10th, a barn roof was damaged 3 miles east of Frederick. A barn roof was blown off, and a fence was downed 4 miles east of Frederick, and a house roof sustained minor damage 4 miles north of Frederick. Trees and power lines were downed in Ponca City in Kay County, while in Garfield County, minor but widespread damage, was sustained to trees, power poles, and numerous other structures.
34.91999-06-01235°25'N / 95°32'W35°23'N / 95°32'W2.00 Miles75 Yards0040K0Mcintosh
 Brief Description: Spotters reported a tornado touchdown in open rangeland, moving due south for about 2 miles. Along the way, this tornado killed 28 head of cattle when they were hurled into a fence line. This tornado also caused minor damage to a home near Onapa. Summary of events for the afternoon and evening of June 1 1999: A cold front moving in from the northwest moved into an extremely unstable air mass on the afternoon of June 1. Along the front, an isolated supercell thunderstorm developed around the Pryor/Locust Grove area and then moved in a slow and unusual south-southwest direction. This storm produced very large hail in addition to several strong tornadoes. This storm also produced eastern Oklahoma's first killer tornado in at least half of a decade.
35.01960-05-05235°18'N / 95°30'W35°25'N / 95°21'W11.70 Miles200 Yards26250K0Mcintosh
35.01954-05-01235°17'N / 96°11'W35°19'N / 96°09'W2.70 Miles33 Yards0025K0Okfuskee
35.21999-03-08235°26'N / 95°49'W35°26'N / 95°48'W1.20 Miles200 Yards0490K0Mcintosh
 Brief Description: A tornado first touched down near Burney, which is in western McIntosh County near mile marker 248 on Interstate 40. The tornado travelled parallel to and south of the interstate in the Tiger Mountain area but then crossed interstate 40 closest to mile marker 249 as it was lifting. Most of the damage from this tornado was F1-strength, but some F2-strength damage occurred. The tornado first destroyed two mobile homes. Roofing from the first destroyed home was found 150 feet to the east, and a car was crushed in a car port. The second mobile home destroyed was a brand new double-wide that had recently been tied down. The mobile home rolled 30 to 40 feet and was totally destroyed. Four members of a family inside the home were injured, one of them critically. Two cars in a car port were damaged. Further east, shingles were torn off the south and west sides of a house, and a tin shed was destroyed with debris scattered to the north and east. Another shed with appliances inside was destroyed. The tornado then passed near a small dwelling, where numerous large trees were down and a 20-foot pontoon was moved 15 feet over a tree. The tornado then hit another double-wide mobile home, which had its apron blown out on one side, had trim peeled off, and it had a window broken. Two nearby power poles were snapped off. Finally, the tornado passed a well-built two-story home. This home had shingles blown off the roof, windows broken, a sun porch was destroyed, a metal hay shed lost its roof, many large trees were blown down, two small storage sheds were destroyed,a 20-foot horse trailer rolled over, and a Ford F150 crew cab was moved 10 feet. Summary of events for March 8 1999: A band of moderate to heavy rain moved across the area during the morning of March 8 in association with a warm front out in advance of a low pressure center. The rain brought localized nuisance flooding. Once the morning rains passed, warmer air moved into eastern Oklahoma during the afternoon, and an upper level low with lots of cold air aloft moved into the area. Thunderstorms then erupted late in the afternoon along an eastward moving dryline/cold front. Some of these thunderstorms displayed characteristics of low-precipitation supercells which then produced damaging tornadoes, most notably in McIntosh County and at Broken Arrow in Tulsa County. The Broken Arrow tornado occurred miles behind any radar-indicated thunderstorm activity and was possibly the result of a cold-air funnel under the cold upper low which reached the ground.
35.71999-03-08235°26'N / 95°43'W35°26'N / 95°33'W9.00 Miles100 Yards00910K0Mcintosh
 Brief Description: The same parent storm which produced a tornado near Burney and Tiger Mountain produced another tornado which touched down near Pierce. At Pierce, the tornado removed roofs from quite a few homes. In Pierce, the tornado also damaged vehicles and boats. Further east, the tornado crossed Interstate 40 near Fountainhead Road (OK Hwy 150). As it crossed the interstate, four 18-wheelers were knocked over, but the drivers escaped injury. After crossing the interstate, the tornado travelled through the Sycamore Bay development, damaging ten to twelve homes. The damage included cracked ceilings, a destroyed garage, and shingles ripped off to the bare wood. One home was moved 30 feet from its foundation, and it took the roof off of another. The tornado then crossed Lake Eufaula as a waterspout, destroying five boats and several docks at Emerald Bay. Once the tornado came back onshore, it hit Lotawatah Road, where it moved a double-wide mobile home from its foundation. Another home lost its roof, and outbuildings were destroyed. A trucking company was hit, destroying five 60-foot trailers and damaging others. The tornado then crossed Humphrey Road at a racing stable, destroying six of their structures and six corrals. When the tornado reached US Hwy 266, part of a home's roof collapsed, and a horse trailer was thrown on top of a barn, which then collapsed. Along its entire path, numerous power poles were snapped off at the base. Spotters reported seeing two or three simultaneous tornadoes at times. Fortunately, the tornado lifted just before entering Checotah. Summary of events for March 8 1999: A band of moderate to heavy rain moved across the area during the morning of March 8 in association with a warm front out in advance of a low pressure center. The rain brought localized nuisance flooding. Once the morning rains passed, warmer air moved into eastern Oklahoma during the afternoon, and an upper level low with lots of cold air aloft moved into the area. Thunderstorms then erupted late in the afternoon along an eastward moving dryline/cold front. Some of these thunderstorms displayed characteristics of low-precipitation supercells which then produced damaging tornadoes, most notably in McIntosh County and at Broken Arrow in Tulsa County. The Broken Arrow tornado occurred miles behind any radar-indicated thunderstorm activity and was possibly the result of a cold-air funnel under the cold upper low which reached the ground.
35.81954-05-01234°58'N / 96°29'W35°17'N / 96°11'W27.60 Miles33 Yards062.5M0Hughes
35.91953-04-23235°22'N / 96°05'W1.50 Miles300 Yards1425K0Okmulgee
36.32010-05-10235°22'N / 96°01'W35°29'N / 95°53'W12.00 Miles1250 Yards00150K0KOkmulgee
 Brief Description: EVENT NARRATIVE: A tornado developed southwest of Henryetta, moved east-northeast across Henryetta Lake then turned sharply northeast before dissipating northeast of Dewar. The tornado destroyed a mobile home near Lake Henryetta. The tornado also damaged several homes, another mobile home and a boat dock, snapped or uprooted numerous trees and blew down power poles. The estimated peak wind in the tornado based on this damage was 115 mph. EPISODE NARRATIVE: Severe thunderstorms developed along and ahead of a dry line over central Oklahoma during the afternoon hours. Very unstable air along with very strong low level wind shear resulted in a number of supercell thunderstorms. These storms produced numerous tornadoes, very large hail, and damaging wind gusts as they moved eastward across eastern Oklahoma during the evening hours.
36.31999-06-01335°26'N / 95°31'W35°23'N / 95°28'W4.50 Miles350 Yards00700K0Mcintosh
 Brief Description: The F3 tornado described here was the second of two tornadoes to touch down in the Checotah area on the evening of June 1. Both tornadoes were spawned from the same parent thunderstorm. Even though this tornado had a stronger F-rating than the first, it caused less widespread damage since it travelled through a less densely populated area. The second tornado touched down on the southeast side of Checotah near I-40 and Grapevine Road at 650 PM CDT. The tornado travelled southeast for 4.5 miles and then lifted at 706 PM CDT. Damage assessments in Checotah combined the effects of the first and second tornadoes. For details of the damage assessment, see the third paragraph of the narrative for the Tornado entry immediately preceding this entry. This tornado, the second of the two, was rated an F3 based based on the near-complete destruction of a farm house 3 to 4 miles southeast of Checotah. Summary of events for the afternoon and evening of June 1 1999: A cold front moving in from the northwest moved into an extremely unstable air mass on the afternoon of June 1. Along the front, an isolated supercell thunderstorm developed around the Pryor/Locust Grove area and then moved in a slow and unusual south-southwest direction. This storm produced very large hail in addition to several strong tornadoes. This storm also produced eastern Oklahoma's first killer tornado in at least half of a decade.
36.51950-04-28234°33'N / 96°12'W0.80 Mile100 Yards0025K0Coal
36.61957-01-22235°15'N / 96°14'W35°31'N / 95°55'W25.60 Miles33 Yards0025K0Hughes
36.71957-01-22235°15'N / 95°18'W35°17'N / 95°12'W6.10 Miles50 Yards003K0Haskell
37.21998-06-08235°08'N / 96°25'W35°09'N / 96°17'W8.00 Miles587 Yards0000Hughes
 Brief Description: Surveys revealed that this tornado formed about a mile east of the intersection of State Highway 48 and county road EW129. About one mile after touching down, the Wewoka tornado apparently merged with it. This tornado damaged a house and destroyed numerous pecan trees shortly after the merger. The tornado moved east passing one-half mile south of the town of Yeager, but overturning a mobile home and downing power lines along a railroad just south of town. The tornado then began moving east-northeast as it moved south of Yeager. It completely destroyed a mobile home and toppled an oil pumping jack and storage tank east of Yeager. The last damage was a barn damaged 4 miles east of Yeager and the tornado lifted at 815 pm. The Yeager tornado was on the ground for 8 miles with a maximum width of four-tenths of a mile. This tornado was rated F2 (winds estimated between 113 and 157 mph) based on the destruction of a mobile home east of Yeager. Summary of events of June 8, 1998: Severe thunderstorms developed and moved across much of Oklahoma during the afternoon and evening of the 8th, producing hail as large as softballs, wind gusts to 70 mph, and 3 tornadoes. The tornadoes were spawned by a single storm between 6 and 715 pm CST in Pottawatomie and Seminole Counties. The first tornado (an F1) touched down 3.5 miles west-southwest of Maud in Pottawatomie County, moved east into Seminole County, lifting about 11 miles west-southwest of Wewoka. The second tornado (rated F2) touched down 2.5 miles southwest of Wewoka in Seminole County, moved east through Wewoka, and crossed into Hughes County. Meanwhile, the third tornado (also an F2) developed about 4.5 miles west-southwest of Yeager in Hughes County. These two tornadoes then merged about 3.5 miles southwest of Yeager and continued east until they lifted 4 miles east of Yeager. This tornadic thunderstorm also produced hail as large as softballs southwest of Seminole in Seminole County. Baseball sized hail was reported with a different storm in Oklahoma City in Oklahoma County. Widespread hail and wind damage occurred in Ponca City in Kay County and in Norman in Cleveland County. Wind gusts were estimated as high as 70 mph near Wellston and Warwick in Lincoln County. Significant thunderstorm wind damage occurred throughout Lincoln County, in Purcell in McClain County, and near Calumet and El Reno in Canadian County. See preceding individual Storm Data entries for further details and additional reports.
37.51961-02-17335°17'N / 96°16'W35°24'N / 96°05'W12.00 Miles300 Yards002.5M0Okfuskee
37.51957-04-25235°05'N / 96°23'W2.00 Miles200 Yards00250K0Hughes
37.61950-04-28435°05'N / 96°24'W35°08'N / 96°21'W4.50 Miles200 Yards532250K0Hughes
38.02010-05-10235°26'N / 95°48'W35°31'N / 95°37'W13.00 Miles800 Yards00125K0KMcintosh
 Brief Description: EVENT NARRATIVE: A tornado developed just north of I-40 and south of Lake Eufaula, moved east-northeast across the lake, and then curved northeast before dissipating north-northeast of the intersection of Highway 266 and Highway 72. The tornado severely damaged homes and mobile homes, destroyed several barns, snapped or uprooted numerous trees, and blew down power poles. The estimated peak wind in the tornado based on this damage was 115 mph. EPISODE NARRATIVE: Severe thunderstorms developed along and ahead of a dry line over central Oklahoma during the afternoon hours. Very unstable air along with very strong low level wind shear resulted in a number of supercell thunderstorms. These storms produced numerous tornadoes, very large hail, and damaging wind gusts as they moved eastward across eastern Oklahoma during the evening hours.
38.91961-02-17335°24'N / 96°05'W35°29'N / 95°58'W9.00 Miles300 Yards012.5M0Okmulgee
38.91960-05-05335°29'N / 95°51'W0.80 Mile150 Yards215250K0Okmulgee
39.11957-04-02234°50'N / 95°06'W35°03'N / 95°01'W15.70 Miles880 Yards0025K0Latimer
39.51976-03-26434°46'N / 95°05'W34°47'N / 95°04'W1.90 Miles440 Yards00250K0Latimer
39.72010-05-10235°30'N / 95°44'W35°30'N / 95°43'W1.00 Mile200 Yards00200K0KMcintosh
 Brief Description: EVENT NARRATIVE: A tornado destroyed a mobile home and a barn, severely damaged a couple homes, snapped or uprooted numerous trees, and blew down power poles. The estimated peak wind in the tornado based on this damage was 115 mph. EPISODE NARRATIVE: Severe thunderstorms developed along and ahead of a dry line over central Oklahoma during the afternoon hours. Very unstable air along with very strong low level wind shear resulted in a number of supercell thunderstorms. These storms produced numerous tornadoes, very large hail, and damaging wind gusts as they moved eastward across eastern Oklahoma during the evening hours.
39.81957-01-22235°09'N / 96°30'W35°15'N / 96°14'W16.60 Miles33 Yards0025K0Hughes
40.11954-07-23234°36'N / 96°20'W0.30 Mile440 Yards000K0Coal
40.21961-02-17335°10'N / 96°27'W35°17'N / 96°16'W13.00 Miles300 Yards022.5M0Hughes
40.31982-03-15235°05'N / 96°26'W00250K0Hughes
40.41998-06-08235°07'N / 96°26'W35°09'N / 96°24'W2.00 Miles440 Yards0000Hughes
 Brief Description: Surveys showed that at about 735 pm, a tornado touched down about 1/2 mile southwest of the intersection of US-270 and SH-59, or about 2.5 miles southwest of Wewoka. The storm moved east through the south side of Wewoka causing damage in a neighborhood in the southwest side of Wewoka and along state highway 56 in the south part of town. The tornado continued moving east destroying two mobile homes southeast of Wewoka before crossing into Hughes County. It caused minor damage to a couple of homes and unroofed a mobile home near State Highway 48. The tornado then turned northeast and apparently merged with the Yeager tornado (see separate Storm Data entry) just northeast of the intersection of State Highway 48 and county road EW129. This tornado was on the ground for 8 miles and had a maximum width of 1/3 of a mile. The tornado was rated F2 (winds estimated between 113 and 157 mph) based on damage in southwest Wewoka including a brick house unroofed and the south exterior wall blown in. Eyewitness reports indicate that this was likely a multiple vortex tornado. Summary of events of June 8, 1998: Severe thunderstorms developed and moved across much of Oklahoma during the afternoon and evening of the 8th, producing hail as large as softballs, wind gusts to 70 mph, and 3 tornadoes. The tornadoes were spawned by a single storm between 6 and 715 pm CST in Pottawatomie and Seminole Counties. The first tornado (an F1) touched down 3.5 miles west-southwest of Maud in Pottawatomie County, moved east into Seminole County, lifting about 11 miles west-southwest of Wewoka. The second tornado (rated F2) touched down 2.5 miles southwest of Wewoka in Seminole County, moved east through Wewoka, and crossed into Hughes County. Meanwhile, the third tornado (also an F2) developed about 4.5 miles west-southwest of Yeager in Hughes County. These two tornadoes then merged about 3.5 miles southwest of Yeager and continued east until they lifted 4 miles east of Yeager. This tornadic thunderstorm also produced hail as large as softballs southwest of Seminole in Seminole County. Baseball sized hail was reported with a different storm in Oklahoma City in Oklahoma County. Widespread hail and wind damage occurred in Ponca City in Kay County and in Norman in Cleveland County. Wind gusts were estimated as high as 70 mph near Wellston and Warwick in Lincoln County. Significant thunderstorm wind damage occurred throughout Lincoln County, in Purcell in McClain County, and near Calumet and El Reno in Canadian County. See preceding individual Storm Data entries for further details and additional reports.
40.51992-05-11334°39'N / 96°26'W34°40'N / 96°20'W12.00 Miles150 Yards01250K0Coal
40.81954-05-25235°22'N / 95°16'W003K0Muskogee
40.91983-11-22334°39'N / 95°07'W34°41'N / 95°05'W3.00 Miles100 Yards032.5M0Pushmataha
40.91981-05-13234°29'N / 96°13'W34°26'N / 96°10'W4.50 Miles100 Yards003K0Coal
41.41956-03-27234°45'N / 95°03'W1.00 Mile500 Yards00250K0Le Flore
41.81969-10-10235°04'N / 96°28'W0.80 Mile200 Yards00250K0Hughes
41.81983-11-22234°28'N / 95°16'W2.00 Miles100 Yards00250K0Pushmataha
41.91962-05-28234°39'N / 95°06'W34°46'N / 95°01'W9.30 Miles200 Yards0025K0Pushmataha
42.32001-04-11234°40'N / 96°28'W34°44'N / 96°25'W4.50 Miles400 Yards0070K0Pontotoc
 Brief Description: This is the 3rd and final segment to the tornado which formed in Pontotoc County at 0340 CST, moved through Coal County, then re-entered Pontotoc County at 0356 CST. Several additional power transmission towers were downed across this area, along with substantial damage to a power substation about 1 mile southwest of Lula. Six tornadoes across southern Oklahoma and one tornado across western north Texas developed during the overnight hours of the 11th. The most notable tornado formed across Coal County in Oklahoma and resulted in one fatality and one injury as it destroyed a mobile home. In addition to damage produced by severe thunderstorms, sustained winds of 40 to 50 mph with gusts as high as 73 mph developed just ahead of the most frequent period of severe weather and persisted for several hours. In Tillman County, at 2330 CST on the 10th, a barn roof was damaged 3 miles east of Frederick. A barn roof was blown off, and a fence was downed 4 miles east of Frederick, and a house roof sustained minor damage 4 miles north of Frederick. Trees and power lines were downed in Ponca City in Kay County, while in Garfield County, minor but widespread damage, was sustained to trees, power poles, and numerous other structures.
42.51976-03-26434°47'N / 95°04'W34°52'N / 94°57'W8.80 Miles440 Yards14250K0Le Flore
42.62000-04-23234°20'N / 95°39'W34°19'N / 95°30'W9.00 Miles150 Yards00250K0Pushmataha
 Brief Description: A F2 tornado touched down northeast of Moyers and traveled 9 miles east southeast before lifting 1 mile south of Finley. A mobile home and several outbuilding were destroyed. Some roof damage was reported to several buildings.
42.91963-03-18234°38'N / 96°25'W003K0Coal
43.31957-09-14435°00'N / 96°47'W35°17'N / 96°09'W40.70 Miles440 Yards00250K0Seminole
43.31998-06-08235°07'N / 96°31'W35°08'N / 96°26'W6.00 Miles440 Yards0000Seminole
 Brief Description: Surveys showed that at about 735 pm, a tornado touched down about 1/2 mile southwest of the intersection of US-270 and SH-59, or about 2.5 miles southwest of Wewoka. The storm moved east through the south side of Wewoka causing damage in a neighborhood in the southwest side of Wewoka and along state highway 56 in the south part of town. The tornado continued moving east destroying two mobile homes southeast of Wewoka before crossing into Hughes County. It caused minor damage to a couple of homes and unroofed a mobile home near State Highway 48. The tornado then turned northeast and apparently merged with the Yeager tornado (see separate Storm Data entry) just northeast of the intersection of State Highway 48 and county road EW129. This tornado was on the ground for 8 miles and had a maximum width of 1/3 of a mile. The tornado was rated F2 (winds estimated between 113 and 157 mph) based on damage in southwest Wewoka including a brick house unroofed and the south exterior wall blown in. Eyewitness reports indicate that this was likely a multiple vortex tornado. Summary of events of June 8, 1998: Severe thunderstorms developed and moved across much of Oklahoma during the afternoon and evening of the 8th, producing hail as large as softballs, wind gusts to 70 mph, and 3 tornadoes. The tornadoes were spawned by a single storm between 6 and 715 pm CST in Pottawatomie and Seminole Counties. The first tornado (an F1) touched down 3.5 miles west-southwest of Maud in Pottawatomie County, moved east into Seminole County, lifting about 11 miles west-southwest of Wewoka. The second tornado (rated F2) touched down 2.5 miles southwest of Wewoka in Seminole County, moved east through Wewoka, and crossed into Hughes County. Meanwhile, the third tornado (also an F2) developed about 4.5 miles west-southwest of Yeager in Hughes County. These two tornadoes then merged about 3.5 miles southwest of Yeager and continued east until they lifted 4 miles east of Yeager. This tornadic thunderstorm also produced hail as large as softballs southwest of Seminole in Seminole County. Baseball sized hail was reported with a different storm in Oklahoma City in Oklahoma County. Widespread hail and wind damage occurred in Ponca City in Kay County and in Norman in Cleveland County. Wind gusts were estimated as high as 70 mph near Wellston and Warwick in Lincoln County. Significant thunderstorm wind damage occurred throughout Lincoln County, in Purcell in McClain County, and near Calumet and El Reno in Canadian County. See preceding individual Storm Data entries for further details and additional reports.
44.01974-06-06234°18'N / 96°00'W34°20'N / 95°57'W3.80 Miles100 Yards0025K0Atoka
44.11982-11-22234°20'N / 96°09'W34°24'N / 96°06'W5.00 Miles150 Yards002.5M0Atoka
44.21973-05-26235°30'N / 95°32'W35°34'N / 95°28'W5.70 Miles200 Yards00250K0Mcintosh
44.41957-04-02235°03'N / 95°01'W35°09'N / 94°58'W7.60 Miles880 Yards0225K0Haskell
44.51954-05-01234°52'N / 96°35'W34°58'N / 96°29'W8.90 Miles33 Yards0025K0Pontotoc
44.81976-03-29235°33'N / 95°32'W0.30 Mile30 Yards003K0Mcintosh
45.01982-09-13235°23'N / 96°19'W1.00 Mile50 Yards003K0Okfuskee
45.21965-05-26235°09'N / 96°30'W0025K0Seminole
45.42001-04-11234°38'N / 96°30'W34°40'N / 96°27'W4.50 Miles400 Yards00400K0Coal
 Brief Description: This tornado formed in Pontotoc County and crossed into Coal County at approximately 0349 CST, then re-entered Pontotoc County at approximately 0356 CST. Nineteen power transmission towers, 3 for major trunk power lines, were downed across this area. Six tornadoes across southern Oklahoma and one tornado across western north Texas developed during the overnight hours of the 11th. The most notable tornado formed across Coal County in Oklahoma and resulted in one fatality and one injury as it destroyed a mobile home. In addition to damage produced by severe thunderstorms, sustained winds of 40 to 50 mph with gusts as high as 73 mph developed just ahead of the most frequent period of severe weather and persisted for several hours. In Tillman County, at 2330 CST on the 10th, a barn roof was damaged 3 miles east of Frederick. A barn roof was blown off, and a fence was downed 4 miles east of Frederick, and a house roof sustained minor damage 4 miles north of Frederick. Trees and power lines were downed in Ponca City in Kay County, while in Garfield County, minor but widespread damage, was sustained to trees, power poles, and numerous other structures.
45.71970-06-11235°26'N / 96°16'W0.10 Mile100 Yards0025K0Okfuskee
46.21984-04-26335°28'N / 96°03'W35°42'N / 95°45'W22.00 Miles1760 Yards89525.0M0Okmulgee
46.31953-04-14234°22'N / 96°12'W0.30 Mile23 Yards003K0Atoka
46.41955-04-12234°14'N / 95°37'W34°18'N / 95°33'W6.10 Miles33 Yards000K0Pushmataha
47.22010-05-13235°35'N / 95°56'W35°37'N / 95°50'W6.00 Miles300 Yards00200K0KOkmulgee
 Brief Description: EVENT NARRATIVE: A tornado severely damaged two homes. It also snapped or uprooted numerous trees, destroyed barns, damaged several other homes, and blew down power poles. The estimated peak wind in the tornado based on this damage was 120 mph. EPISODE NARRATIVE: A line of thunderstorms intensified as it moved into eastern Oklahoma during the early morning hours of the 13th. A number of tornadoes developed on the leading edge of the bowing line of storms over northeastern Oklahoma. The storms also produced damaging wind gusts.
47.31985-02-23234°13'N / 96°05'W34°20'N / 95°56'W10.00 Miles500 Yards03250K0Atoka
47.41960-05-04434°09'N / 95°37'W34°23'N / 95°25'W19.80 Miles150 Yards00250K0Pushmataha
47.41982-05-28234°13'N / 95°38'W34°17'N / 95°34'W6.00 Miles100 Yards002.5M0Pushmataha
47.51981-05-17335°20'N / 96°29'W35°27'N / 96°15'W15.40 Miles350 Yards0025K0Seminole
47.91991-03-21234°18'N / 96°17'W34°19'N / 95°59'W19.00 Miles400 Yards06250K0Atoka
48.31967-04-16235°09'N / 96°39'W35°11'N / 96°27'W11.50 Miles33 Yards03250K0Seminole
48.31981-05-17435°23'N / 96°26'W35°33'N / 96°09'W19.60 Miles33 Yards022.5M0Okfuskee
48.61959-03-25235°30'N / 95°15'W000K0Muskogee
48.91956-06-08235°17'N / 96°37'W35°10'N / 96°27'W12.40 Miles150 Yards000K0Seminole
49.31959-05-09434°37'N / 96°35'W34°41'N / 96°31'W6.20 Miles900 Yards712250K0Pontotoc
49.41961-02-17334°56'N / 96°46'W35°10'N / 96°27'W25.00 Miles300 Yards072.5M0Seminole
49.51982-06-11235°38'N / 95°52'W35°39'N / 95°44'W6.00 Miles50 Yards00250K0Okmulgee
49.61960-05-05435°04'N / 95°03'W35°23'N / 94°51'W24.60 Miles200 Yards362.5M0Haskell
49.61981-05-17435°33'N / 96°09'W35°36'N / 96°06'W4.30 Miles33 Yards002.5M0Okmulgee
50.01954-09-07234°37'N / 96°35'W34°40'N / 96°32'W4.50 Miles200 Yards00250K0Pontotoc


* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.


 
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