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Shady Grove CDP, OK Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Shady Grove CDP is lower than Oklahoma average and is much lower than the national average. The risk of tornado damage in Shady Grove CDP is 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, #316

Shady Grove CDP, OK
0.08
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

Shady Grove CDP, OK
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, #436

Shady Grove CDP, OK
300.79
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 5,044 other weather extremes events within 50 miles of Shady Grove CDP, OK were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:1Cold:4Dense Fog:6Drought:30
Dust Storm:0Flood:431Hail:2,447Heat:19Heavy Snow:30
High Surf:0Hurricane:0Ice Storm:24Landslide:0Strong Wind:33
Thunderstorm Winds:1,887Tropical Storm:1Wildfire:14Winter Storm:32Winter Weather:20
Other:65 

Volcanos Nearby

No volcano is found in or near Shady Grove CDP, OK.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Shady Grove CDP, OK.

No historical earthquake events found in or near Shady Grove CDP, OK.

Historical Tornado Events

A total of 115 historical tornado events that had recorded magnitude of 2 or above found in or near Shady Grove CDP, OK.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
5.01999-06-01335°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.
5.31960-05-05235°18'N / 95°30'W35°25'N / 95°21'W11.70 Miles200 Yards26250K0Mcintosh
7.41983-07-30235°20'N / 95°27'W0.10 Mile10 Yards0025K0Mcintosh
7.41999-06-01235°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.
8.61973-05-26235°30'N / 95°32'W35°34'N / 95°28'W5.70 Miles200 Yards00250K0Mcintosh
9.21954-05-25235°22'N / 95°16'W003K0Muskogee
10.01959-03-25235°30'N / 95°15'W000K0Muskogee
10.71976-03-29235°33'N / 95°32'W0.30 Mile30 Yards003K0Mcintosh
10.81965-04-11235°35'N / 95°21'W003K0Muskogee
10.91961-03-26335°16'N / 95°43'W35°30'N / 95°28'W21.40 Miles200 Yards0125K0Mcintosh
11.21973-05-26435°33'N / 95°19'W35°35'N / 95°16'W3.60 Miles500 Yards525250K0Muskogee
11.51970-06-11235°15'N / 95°30'W35°18'N / 95°26'W5.20 Miles440 Yards1142.5M0Pittsburg
12.11951-06-07235°34'N / 95°16'W010K0Muskogee
12.71999-03-08235°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.
14.31977-07-25235°37'N / 95°25'W35°40'N / 95°22'W4.50 Miles100 Yards0025K0Muskogee
14.41960-05-05235°17'N / 95°35'W1.00 Mile400 Yards0025K0Mcintosh
14.61957-01-22235°15'N / 95°18'W35°17'N / 95°12'W6.10 Miles50 Yards003K0Haskell
17.12010-05-10235°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.
17.11954-05-01235°13'N / 95°37'W35°16'N / 95°35'W4.30 Miles33 Yards0025K0Mcintosh
18.11971-12-14235°11'N / 95°30'W0.10 Mile77 Yards00250K0Pittsburg
18.42010-05-10235°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.
18.51981-05-17235°37'N / 95°10'W000K0Muskogee
21.11957-05-20335°21'N / 95°05'W35°23'N / 95°00'W5.20 Miles200 Yards013K0Mayes
22.51999-03-08235°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.
23.21965-04-08235°46'N / 95°21'W0.30 Mile100 Yards0025K0Muskogee
23.51956-11-20235°42'N / 95°12'W35°44'N / 95°09'W3.60 Miles150 Yards003K0Muskogee
25.11960-05-05335°29'N / 95°51'W0.80 Mile150 Yards215250K0Okmulgee
25.42010-05-10235°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.
26.11998-06-08235°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.
26.31982-06-11235°38'N / 95°52'W35°39'N / 95°44'W6.00 Miles50 Yards00250K0Okmulgee
26.71960-05-05235°45'N / 95°40'W35°48'N / 95°36'W4.90 Miles100 Yards0025K0Muskogee
28.61973-05-26335°34'N / 95°06'W35°36'N / 94°46'W18.70 Miles250 Yards06250K0Sequoyah
28.71982-08-27235°51'N / 95°23'W1.00 Mile50 Yards0225K0Wagoner
29.12010-05-13235°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.
29.51984-04-26335°28'N / 96°03'W35°42'N / 95°45'W22.00 Miles1760 Yards89525.0M0Okmulgee
29.61960-05-05435°04'N / 95°03'W35°23'N / 94°51'W24.60 Miles200 Yards362.5M0Haskell
29.91971-05-05335°49'N / 95°45'W35°55'N / 95°06'W37.00 Miles600 Yards00250K0Muskogee
30.01957-05-20335°23'N / 95°00'W35°28'N / 94°45'W15.20 Miles200 Yards003K0Delaware
30.11954-05-01234°53'N / 95°52'W35°13'N / 95°27'W32.90 Miles33 Yards0625K0Pittsburg
30.51995-04-17235°51'N / 95°18'W35°52'N / 95°13'W4.50 Miles125 Yards00500K0Wagoner
30.52010-05-10235°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.
30.61954-03-24235°49'N / 95°41'W1.00 Mile33 Yards00250K0Muskogee
30.71960-05-19235°52'N / 95°32'W000K0Wagoner
31.41997-05-26335°10'N / 95°53'W35°09'N / 95°49'W5.00 Miles440 Yards01100K0Pittsburg
31.71960-05-05434°58'N / 95°18'W35°04'N / 95°03'W15.70 Miles200 Yards002.5M0Latimer
32.31960-05-05435°23'N / 94°51'W35°27'N / 94°49'W4.90 Miles200 Yards002.5M0Sequoyah
32.61961-05-07235°54'N / 95°30'W000K0Wagoner
32.61966-04-11235°52'N / 95°14'W35°52'N / 95°07'W6.50 Miles20 Yards00250K0Cherokee
32.91957-04-02235°03'N / 95°01'W35°09'N / 94°58'W7.60 Miles880 Yards0225K0Haskell
33.91975-12-05335°40'N / 95°58'W35°57'N / 95°38'W27.00 Miles50 Yards00250K0Okmulgee
34.21968-05-25235°27'N / 94°48'W2.00 Miles33 Yards0125K0Sequoyah
34.31965-06-22235°28'N / 94°48'W1.00 Mile33 Yards0025K0Sequoyah
34.71961-02-17335°24'N / 96°05'W35°29'N / 95°58'W9.00 Miles300 Yards012.5M0Okmulgee
35.61999-06-01335°58'N / 95°15'W35°54'N / 95°15'W2.00 Miles350 Yards251.5M0Cherokee
 Brief Description: A strong tornado, rated an F3, touched down in far western Cherokee County, possibly as a waterspout on Fort Gibson Lake. The tornado moved south onshore and through the rural Amber Hills housing area, crossing OK Hwy 51, and lifting after tracking through much of the Sequoyah State Park. In the Amber Hills and Hammer Hill Road areas, a total of 68 homes sustained some form of damage. Of that, 17 single family dwellings and 13 mobile homes were destroyed. Eight single family dwellings sustained major damage and 11 others had minor damage. One mobile home sustained minor damage. Fourteen other single family dwellings and four other mobile homes were affected. In one of the destroyed mobile homes, an elderly man and woman were inside. The woman was killed immediately, and the man was seriously injured, dying one week later in a hospital of tornado-related complications. This becomes eastern Oklahoma's first killer tornado since the April 1994 Catoosa tornado. Across OK Hwy 51 in Sequoyah State Park, between 400 and 500 trees were lost to the tornado. The carport at the park manager's residence was destroyed, and an RV was turned on its side. Fortunately, most Memorial Day campers had cleared out, therefore there were no injuries in the park. F69MH, M69MH 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.
36.11982-05-28235°27'N / 94°46'W0.50 Mile50 Yards00250K0Sequoyah
36.21960-05-05235°56'N / 95°25'W35°59'N / 95°21'W5.10 Miles200 Yards00250K0Wagoner
36.21959-05-10235°29'N / 94°46'W1.50 Miles50 Yards013K0Sequoyah
36.61957-04-02234°51'N / 95°34'W34°58'N / 95°25'W11.70 Miles440 Yards0025K0Pittsburg
36.81964-05-10235°44'N / 95°57'W003K0Okmulgee
36.91986-09-26235°54'N / 95°39'W36°00'N / 95°31'W8.00 Miles73 Yards00250K0Wagoner
37.21975-12-05234°53'N / 95°20'W34°55'N / 95°19'W2.30 Miles350 Yards032.5M0Latimer
37.71957-01-22235°15'N / 96°14'W35°31'N / 95°55'W25.60 Miles33 Yards0025K0Hughes
38.21981-04-19335°55'N / 95°06'W35°55'N / 95°03'W3.00 Miles100 Yards003K0Creek
38.31953-04-23235°22'N / 96°05'W1.50 Miles300 Yards1425K0Okmulgee
38.61966-04-11335°54'N / 95°46'W35°58'N / 95°40'W7.30 Miles100 Yards06250K0Wagoner
38.81960-05-05335°11'N / 94°47'W35°21'N / 94°43'W12.10 Miles33 Yards00250K0Le Flore
39.02001-05-20235°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.
39.01955-02-28235°00'N / 95°51'W2.00 Miles33 Yards0025K0Pittsburg
39.31957-04-02234°50'N / 95°06'W35°03'N / 95°01'W15.70 Miles880 Yards0025K0Latimer
39.41964-05-10335°52'N / 94°57'W2.00 Miles440 Yards0025K0Cherokee
39.51976-02-20235°31'N / 94°45'W35°33'N / 94°41'W4.50 Miles30 Yards0025K0Sequoyah
39.61960-05-05335°21'N / 94°43'W35°24'N / 94°42'W3.60 Miles33 Yards10250K0Sequoyah
39.81960-05-05234°55'N / 95°47'W34°57'N / 95°44'W4.10 Miles500 Yards0025K0Pittsburg
39.81960-05-05335°24'N / 94°42'W35°31'N / 94°42'W8.00 Miles33 Yards00250K0Sequoyah
40.21960-11-15235°48'N / 94°51'W1.00 Mile50 Yards0025K0Cherokee
40.21997-05-26235°44'N / 96°04'W35°45'N / 95°58'W8.00 Miles100 Yards00160K0Okmulgee
40.61981-04-19235°58'N / 95°08'W35°58'N / 95°04'W3.60 Miles600 Yards002.5M0Creek
40.81957-01-22435°24'N / 94°41'W1020250K0Sequoyah
41.51981-05-17435°33'N / 96°09'W35°36'N / 96°06'W4.30 Miles33 Yards002.5M0Okmulgee
41.62008-04-10235°45'N / 94°48'W35°46'N / 94°46'W3.00 Miles300 Yards00100K0KAdair
 Brief Description: EVENT NARRATIVE: An NWS storm survey determined that a strong tornado destroyed several mobile homes, caused extensive tree damage, destroyed barns and other outbuildings, and snapped power poles. EPISODE NARRATIVE: Severe thunderstorms occurred across eastern Oklahoma from the evening of the 9th into the morning of the 10th.
41.81975-12-05235°54'N / 95°53'W2.00 Miles100 Yards003K0Tulsa
42.12010-05-13236°00'N / 95°42'W36°01'N / 95°37'W5.00 Miles550 Yards02400K0KWagoner
 Brief Description: EVENT NARRATIVE: A tornado severely damaged a home, destroyed several shops and outbuildings, snapped or uprooted numerous trees, and blew down power poles. The estimated peak wind in the tornado based on this damage was 120 mph. Two people were injured by flying debris in the severely damaged home. 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.
43.71961-02-17335°17'N / 96°16'W35°24'N / 96°05'W12.00 Miles300 Yards002.5M0Okfuskee
43.71954-05-01235°17'N / 96°11'W35°19'N / 96°09'W2.70 Miles33 Yards0025K0Okfuskee
43.91980-09-16236°03'N / 95°36'W2.50 Miles2200 Yards00250K0Wagoner
44.31981-04-19335°57'N / 96°00'W35°54'N / 95°50'W9.90 Miles880 Yards5492.5M0Tulsa
44.71976-05-30236°00'N / 95°47'W36°01'N / 95°46'W1.30 Miles880 Yards002.5M0Tulsa
44.71950-03-27234°51'N / 95°45'W0.10 Mile77 Yards003K0Pittsburg
45.21998-10-04235°36'N / 96°12'W35°37'N / 96°10'W2.00 Miles1408 Yards005K0Okmulgee
 Brief Description: This tornado track is the continuation of the same tornado that tracked through Okfuskee County earlier in the evening, producing F2 damage. In Okmulgee County, the tornado only produced F0 damage in the form of numerous trees downed/uprooted along its path. When all was said and done, this tornado tracked 27 miles from 2_SE Boley to 3_SW Nuyaka, and it injured four people in Okfuskee County. Summary of tornado/severe events for October 4 PM - October 5 1998: Oklahoma's worst-ever October tornado outbreak took place on the evening of October 4. At least 22 tornadoes occurred throughout Oklahoma, of which seven were in northeast Oklahoma. This outbreak of severe weather resulted as a powerful upper level storm system moved across the central plains and surface low pressure developed over southwest Oklahoma. Warm humid air quickly invaded the area on the morning of October 4 and then collided with a cold front moving southward by evening. The threat from these storms ran the full range of possibilities from destructive tornadoes to damaging winds to very large hail up to the size of baseballs. Numerous storms occurred on the evening of October 4, mainly north of Interstate 40. The two most significant storms both moved eastward out of central Oklahoma. One produced an F1 tornado that passed through Pawnee. The other produced a 27-mile track F2 tornado that started in Okfuskee County and ended in Okmulgee County. This second storm later went on to produce considerable hail and wind damage in the city of Okmulgee. Many other thunderstorms developed during the evening in central Oklahoma, fanned by upper level winds in excess of 100 knots. These storms moved into northeast Oklahoma, causing additional severe weather late in the evening that gradually spread eastward to the Arkansas state line. After midnight, the storms congealed and became a slow-moving line of thunderstorms that sat over nearly the same area of northeast Oklahoma through the overnight hours. The severe threat gradually diminished through the night, and flooding became the main problem. For more information on the flooding, see the separate event entry for the flooding. By late on the afternoon of October 5, the slow-moving line had moved into southeast Oklahoma and flared up during the heat of the afternoon, causing a few additional severe weather reports in the form of strong winds.
45.31976-05-30236°01'N / 95°46'W36°02'N / 95°45'W1.30 Miles33 Yards002.5M0Wagoner
45.31964-07-28235°06'N / 96°06'W0.50 Mile33 Yards0025K0Hughes
45.41973-05-26236°01'N / 95°47'W2.00 Miles33 Yards003K0Tulsa
46.61966-04-27334°53'N / 96°00'W34°58'N / 95°54'W8.00 Miles400 Yards00250K0Pittsburg
46.92008-05-10234°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.
47.11960-05-05434°53'N / 95°18'W34°38'N / 95°18'W17.20 Miles200 Yards131002.5M0Latimer
47.31982-12-24236°00'N / 95°53'W3.00 Miles100 Yards072.5M0Tulsa
47.31975-06-05236°04'N / 95°44'W0.50 Mile150 Yards01250K0Wagoner
47.42008-05-10234°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.
47.51992-05-11234°41'N / 95°27'W34°49'N / 95°12'W16.00 Miles400 Yards01250K0Latimer
47.71976-03-26434°47'N / 95°04'W34°52'N / 94°57'W8.80 Miles440 Yards14250K0Le Flore
47.71976-03-26535°12'N / 94°42'W35°15'N / 94°30'W11.90 Miles440 Yards2642.5M0Le Flore
47.91990-03-13235°44'N / 96°13'W35°46'N / 96°07'W7.00 Miles340 Yards00250K0Okmulgee
48.01974-06-08235°55'N / 96°07'W35°58'N / 95°52'W14.40 Miles100 Yards00250K0Creek
48.31970-06-11235°26'N / 96°16'W0.10 Mile100 Yards0025K0Okfuskee
48.41984-04-26236°03'N / 95°49'W36°04'N / 95°47'W3.00 Miles500 Yards012.5M0Tulsa
48.41986-04-13236°03'N / 95°47'W36°06'N / 95°44'W4.00 Miles300 Yards022.5M0Tulsa
48.81983-05-14234°56'N / 96°01'W0.10 Mile50 Yards00250K0Pittsburg
48.81974-06-08336°05'N / 95°46'W36°10'N / 95°25'W20.40 Miles100 Yards0025.0M0Wagoner
49.02008-05-10234°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.
49.21976-03-26434°46'N / 95°05'W34°47'N / 95°04'W1.90 Miles440 Yards00250K0Latimer
49.41964-04-03234°53'N / 94°51'W003K0Le Flore
49.71960-05-05435°23'N / 94°33'W35°27'N / 94°30'W5.40 Miles33 Yards513250K0Sequoyah
49.71981-04-19336°02'N / 95°54'W0.50 Mile7 Yards012.5M0Tulsa
49.81981-05-17435°23'N / 96°26'W35°33'N / 96°09'W19.60 Miles33 Yards022.5M0Okfuskee
49.91990-03-13235°42'N / 96°14'W35°44'N / 96°13'W2.00 Miles340 Yards00250K0Creek


* 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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