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Leonard, OK Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Leonard is lower than Oklahoma average and is much lower than the national average. The risk of tornado damage in Leonard is higher 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, #420

Leonard, OK
0.05
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

Leonard, 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, #151

Leonard, OK
397.76
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 6,779 other weather extremes events within 50 miles of Leonard, OK were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:4Dense Fog:10Drought:28
Dust Storm:0Flood:556Hail:3,311Heat:25Heavy Snow:31
High Surf:0Hurricane:0Ice Storm:20Landslide:0Strong Wind:43
Thunderstorm Winds:2,575Tropical Storm:0Wildfire:16Winter Storm:41Winter Weather:11
Other:108 

Volcanos Nearby

No volcano is found in or near Leonard, OK.

Historical Earthquake Events

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

No historical earthquake events found in or near Leonard, OK.

Historical Tornado Events

A total of 152 historical tornado events that had recorded magnitude of 2 or above found in or near Leonard, OK.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.71966-04-11335°54'N / 95°46'W35°58'N / 95°40'W7.30 Miles100 Yards06250K0Wagoner
4.91975-12-05235°54'N / 95°53'W2.00 Miles100 Yards003K0Tulsa
6.21976-05-30236°00'N / 95°47'W36°01'N / 95°46'W1.30 Miles880 Yards002.5M0Tulsa
6.61981-04-19335°57'N / 96°00'W35°54'N / 95°50'W9.90 Miles880 Yards5492.5M0Tulsa
6.71973-05-26236°01'N / 95°47'W2.00 Miles33 Yards003K0Tulsa
7.21982-12-24236°00'N / 95°53'W3.00 Miles100 Yards072.5M0Tulsa
7.61976-05-30236°01'N / 95°46'W36°02'N / 95°45'W1.30 Miles33 Yards002.5M0Wagoner
7.71975-12-05335°40'N / 95°58'W35°57'N / 95°38'W27.00 Miles50 Yards00250K0Okmulgee
9.51984-04-26236°03'N / 95°49'W36°04'N / 95°47'W3.00 Miles500 Yards012.5M0Tulsa
9.61981-04-19336°02'N / 95°54'W0.50 Mile7 Yards012.5M0Tulsa
9.71954-03-24235°49'N / 95°41'W1.00 Mile33 Yards00250K0Muskogee
10.02010-05-13236°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.
10.81975-06-05236°04'N / 95°44'W0.50 Mile150 Yards01250K0Wagoner
10.81974-06-08235°55'N / 96°07'W35°58'N / 95°52'W14.40 Miles100 Yards00250K0Creek
10.91986-04-13236°03'N / 95°47'W36°06'N / 95°44'W4.00 Miles300 Yards022.5M0Tulsa
11.21974-06-08336°00'N / 96°06'W36°05'N / 95°46'W19.50 Miles100 Yards03525.0M0Tulsa
11.51981-04-19336°04'N / 95°55'W36°05'N / 95°50'W4.90 Miles200 Yards07250.0M0Tulsa
12.31986-09-26235°54'N / 95°39'W36°00'N / 95°31'W8.00 Miles73 Yards00250K0Wagoner
13.11974-06-08335°59'N / 96°00'W36°09'N / 95°54'W12.80 Miles100 Yards27025.0M0Tulsa
13.42010-05-13236°03'N / 96°01'W36°09'N / 95°46'W16.00 Miles500 Yards00500K0KTulsa
 Brief Description: EVENT NARRATIVE: The tornado that developed on the west side of Sapulpa in Creek County moved northeast across the City of Tulsa. The tornado severely damaged a number of homes just west of Highway 75, where the most intense damage was noted. Numerous other homes and businesses were damaged as it moved through Tulsa. The tornado snapped or uprooted numerous trees, and blew down numerous power poles. The estimated peak wind in this tornado based on the most intense damage to homes 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.
13.71960-05-05235°45'N / 95°40'W35°48'N / 95°36'W4.90 Miles100 Yards0025K0Muskogee
14.01957-07-01236°05'N / 95°57'W0025K0Tulsa
14.31980-09-16236°03'N / 95°36'W2.50 Miles2200 Yards00250K0Wagoner
14.71981-06-15235°57'N / 96°05'W35°58'N / 96°02'W3.30 Miles100 Yards03250K0Creek
15.31960-05-19235°52'N / 95°32'W000K0Wagoner
15.41964-05-10235°44'N / 95°57'W003K0Okmulgee
16.71993-04-24336°08'N / 95°49'W36°11'N / 95°40'W8.00 Miles250 Yards003050.0MRogers
16.81961-05-07235°54'N / 95°30'W000K0Wagoner
17.11979-03-18236°10'N / 95°47'W36°10'N / 95°46'W1.30 Miles33 Yards00250K0Tulsa
17.21979-03-18236°10'N / 95°46'W36°10'N / 95°45'W1.30 Miles33 Yards00250K0Rogers
17.31964-04-12236°04'N / 96°03'W0.20 Mile50 Yards003K0Creek
17.31997-05-26235°44'N / 96°04'W35°45'N / 95°58'W8.00 Miles100 Yards00160K0Okmulgee
17.61993-04-24436°09'N / 95°50'W36°12'N / 95°45'W5.50 Miles250 Yards7100500K0Tulsa And Rogers
17.91966-05-11236°10'N / 95°54'W2.00 Miles100 Yards0125K0Tulsa
18.31974-06-08336°05'N / 95°46'W36°10'N / 95°25'W20.40 Miles100 Yards0025.0M0Wagoner
18.41975-12-05336°09'N / 95°58'W1.50 Miles700 Yards03825.0M0Tulsa
18.51986-09-29236°11'N / 95°44'W2.00 Miles100 Yards01250K0Rogers
19.21982-06-11235°38'N / 95°52'W35°39'N / 95°44'W6.00 Miles50 Yards00250K0Okmulgee
20.61966-05-11236°10'N / 95°41'W36°11'N / 95°32'W8.40 Miles50 Yards02250K0Rogers
21.31971-05-05335°49'N / 95°45'W35°55'N / 95°06'W37.00 Miles600 Yards00250K0Muskogee
21.91991-05-16236°12'N / 95°43'W36°15'N / 95°40'W4.00 Miles100 Yards00250K0Rogers
21.91974-06-08336°09'N / 95°54'W36°19'N / 95°34'W21.80 Miles100 Yards0102.5M0Rogers
22.42010-05-13236°13'N / 95°45'W36°15'N / 95°38'W6.00 Miles450 Yards00750K0KRogers
 Brief Description: EVENT NARRATIVE: A tornado developed near the Port of Catoosa where it damaged a metal building structure and blew down trees and power poles. The tornado moved northeast across portions of Verdigris, severely damaging several homes, destroying barns, snapping or uprooting numerous trees, and blowing 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.
22.62010-05-13235°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.
23.41960-05-05235°56'N / 95°25'W35°59'N / 95°21'W5.10 Miles200 Yards00250K0Wagoner
23.41958-08-20236°15'N / 95°54'W0.10 Mile33 Yards003K0Tulsa
23.71990-03-13235°44'N / 96°13'W35°46'N / 96°07'W7.00 Miles340 Yards00250K0Okmulgee
23.81982-08-27235°51'N / 95°23'W1.00 Mile50 Yards0225K0Wagoner
23.91984-04-26335°28'N / 96°03'W35°42'N / 95°45'W22.00 Miles1760 Yards89525.0M0Okmulgee
24.31960-05-05535°44'N / 96°24'W36°03'N / 96°04'W28.70 Miles800 Yards002.5M0Creek
27.31965-04-08235°46'N / 95°21'W0.30 Mile100 Yards0025K0Muskogee
27.71990-03-13235°42'N / 96°14'W35°44'N / 96°13'W2.00 Miles340 Yards00250K0Creek
28.42010-05-13236°10'N / 95°26'W36°11'N / 95°22'W4.00 Miles1000 Yards02300K0KMayes
 Brief Description: EVENT NARRATIVE: The tornado that developed near Inola in Rogers County moved northeast toward Chouteau. In Mayes County, the tornado severely damaged several homes, destroyed a metal shop, snapped or uprooted numerous trees, and snapped numerous high tension wire poles. The estimated peak wind in this tornado based on this damage in Mayes County was 115 mph. Two people were injured by flying debris. 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.
28.51960-05-05335°52'N / 96°25'W36°08'N / 96°11'W22.50 Miles400 Yards00250K0Creek
29.32010-05-10235°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.
29.61976-03-29235°33'N / 95°32'W0.30 Mile30 Yards003K0Mcintosh
29.91977-07-25235°37'N / 95°25'W35°40'N / 95°22'W4.50 Miles100 Yards0025K0Muskogee
30.01981-05-17435°33'N / 96°09'W35°36'N / 96°06'W4.30 Miles33 Yards002.5M0Okmulgee
30.31960-05-05335°29'N / 95°51'W0.80 Mile150 Yards215250K0Okmulgee
30.41998-10-04235°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.
30.61995-04-17235°51'N / 95°18'W35°52'N / 95°13'W4.50 Miles125 Yards00500K0Wagoner
30.71999-06-01335°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.
31.01974-06-08236°20'N / 95°53'W36°24'N / 95°50'W5.40 Miles60 Yards0025K0Tulsa
31.22010-05-10235°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.
31.51983-06-27236°22'N / 95°52'W36°23'N / 95°49'W2.00 Miles100 Yards1025K0Tulsa
31.61973-05-26235°30'N / 95°32'W35°34'N / 95°28'W5.70 Miles200 Yards00250K0Mcintosh
31.61968-12-18236°21'N / 96°00'W36°22'N / 95°56'W3.80 Miles100 Yards0025K0Tulsa
31.71974-06-08336°10'N / 95°25'W36°13'N / 95°16'W9.00 Miles100 Yards0725.0M0Mayes
31.81974-06-08235°52'N / 96°24'W35°54'N / 96°20'W4.30 Miles100 Yards0025K0Creek
32.01991-04-26436°12'N / 96°17'W36°23'N / 96°00'W21.00 Miles1700 Yards0192.5M0Osage
32.21974-06-08436°09'N / 96°18'W36°12'N / 96°16'W3.80 Miles100 Yards00250K0Tulsa
32.61983-06-27236°23'N / 95°49'W36°24'N / 95°45'W3.00 Miles100 Yards0025K0Rogers
32.81964-07-09236°21'N / 96°03'W0025K0Osage
32.81983-06-27236°21'N / 96°03'W0.50 Mile100 Yards00250K0Osage
33.31974-06-08436°16'N / 96°07'W36°25'N / 96°04'W10.70 Miles200 Yards115250K0Osage
33.61999-03-08235°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.
33.71992-07-02336°26'N / 95°48'W36°23'N / 95°47'W3.00 Miles100 Yards00250K0Rogers
34.31992-07-02336°24'N / 95°50'W36°26'N / 95°48'W1.00 Mile100 Yards01250K0Tulsa
34.31965-04-11235°35'N / 95°21'W003K0Muskogee
34.61984-04-29436°14'N / 96°20'W36°16'N / 96°12'W7.00 Miles20 Yards12025.0M0Osage
34.91999-03-08235°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.
35.11966-04-11235°52'N / 95°14'W35°52'N / 95°07'W6.50 Miles20 Yards00250K0Cherokee
35.22010-05-10235°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.
35.41961-02-17335°24'N / 96°05'W35°29'N / 95°58'W9.00 Miles300 Yards012.5M0Okmulgee
35.52010-05-10235°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.
35.91982-04-02236°24'N / 95°33'W1.00 Mile50 Yards00250K0Rogers
37.01957-07-01236°01'N / 96°27'W000K0Creek
37.21959-05-09336°24'N / 95°48'W36°31'N / 95°46'W8.20 Miles50 Yards00250K0Rogers
37.51973-05-26435°33'N / 95°19'W35°35'N / 95°16'W3.60 Miles500 Yards525250K0Muskogee
37.61984-04-29435°57'N / 96°30'W36°10'N / 96°24'W14.00 Miles20 Yards02025.0M0Creek
37.61984-04-29436°13'N / 96°23'W36°14'N / 96°20'W3.00 Miles200 Yards01525.0M0Pawnee
37.71956-11-20235°42'N / 95°12'W35°44'N / 95°09'W3.60 Miles150 Yards003K0Muskogee
38.01984-04-29436°10'N / 96°24'W36°13'N / 96°23'W3.00 Miles200 Yards0525.0M0Pawnee
38.01984-04-26236°28'N / 95°53'W0.10 Mile17 Yards00250K0Washington
38.11991-04-26436°10'N / 96°31'W36°12'N / 96°17'W11.00 Miles1700 Yards152.5M0Pawnee
38.21961-05-08236°15'N / 95°15'W003K0Mayes
38.31991-04-26436°27'N / 95°43'W36°29'N / 95°39'W4.00 Miles1300 Yards02225.0M0Rogers
38.61951-06-07235°34'N / 95°16'W010K0Muskogee
38.81967-01-25236°22'N / 95°36'W36°30'N / 95°26'W12.90 Miles33 Yards0025K0Rogers
38.81990-05-15236°26'N / 95°33'W36°26'N / 95°29'W4.00 Miles73 Yards08250K0Rogers
38.81993-04-24236°12'N / 95°15'W36°14'N / 95°10'W4.50 Miles150 Yards015.0M0Mayes
38.91961-03-26335°16'N / 95°43'W35°30'N / 95°28'W21.40 Miles200 Yards0125K0Mcintosh
38.91999-06-01235°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.
39.01998-10-04235°29'N / 96°27'W35°37'N / 96°12'W25.00 Miles1408 Yards04500K0Okfuskee
 Brief Description: A significant long-track tornado occurred on the evening of October 4, following a 27-mile track from 2 miles southeast of Boley in Okfuskee County to 3 miles southwest of Nuyaka in Okmulgee County. The tornado first touched down in Okfuskee County at 1037 PM CDT and lifted over Okmulgee County at 1108 PM CDT. (This Tornado entry covers that part of the track in Okfuskee County. See the separate Tornado entry for details on the portion in Okmulgee County.) The most significant damage to structures occurred near the communities of IXL and Haydenville, while much of the damage in the rural areas across which the tornado tracked consisted of downed/uprooted trees. In the small community of IXL, located on OK Hwy 48 north of Okemah, nearly every structure sustained at least some damage. An NWS Storm Survey revealed F2 damage at IXL, where a house and two mobile homes were destroyed. Pieces of one mobile home were found one-half mile away. A local newspaper also reported four businesses and a public building at the IXL Park were destroyed. Six houses and two more mobile homes sustained major damage, while another 21 houses and one mobile home sustained minor damage. In Haydenville, located north of Okemah on OK Hwy 56, two single-family houses and a mobile home were destroyed. Three houses, three mobile homes, and one public building (the Haydenville Fire Station) sustained major damage. Five houses and one business (the Haydenville Store) sustained minor damage. An NWS Storm Survey revealed F2 damage just southwest of Haydenville, where a mobile home was completely destroyed. Four people inside the trailer were injured, one of them critically. The tie-downs on the double-wide trailer were snapped, and the home appeared to have travelled a significant distance before disintegrating. This tornado was unusual for the fact that it covered such a large area. A survey showed that the damage path was at times 3 miles wide, lending credence to the idea that there were several smaller tornadoes circulating around the larger tornado. The larger tornado reached as wide as 8/10 of a mile. 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.
39.21981-04-19235°58'N / 95°08'W35°58'N / 95°04'W3.60 Miles600 Yards002.5M0Creek
39.31999-06-01335°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.
39.51959-03-31336°06'N / 96°30'W36°07'N / 96°26'W3.80 Miles100 Yards03250K0Creek
39.51984-04-26436°12'N / 96°31'W36°12'N / 96°19'W15.00 Miles880 Yards3372.5M0Pawnee
40.21957-01-22235°15'N / 96°14'W35°31'N / 95°55'W25.60 Miles33 Yards0025K0Hughes
40.41960-05-05535°38'N / 96°31'W35°44'N / 96°24'W9.50 Miles800 Yards5812.5M0Creek
40.41974-06-08335°32'N / 96°32'W35°42'N / 96°18'W17.40 Miles1300 Yards00250K0Okfuskee
40.51981-04-19335°55'N / 95°06'W35°55'N / 95°03'W3.00 Miles100 Yards003K0Creek
41.21982-04-02236°20'N / 95°16'W0.50 Mile10 Yards0025K0Mayes
41.21981-05-17235°37'N / 95°10'W000K0Muskogee
41.21960-05-05335°42'N / 96°37'W35°52'N / 96°25'W16.00 Miles400 Yards00250K0Creek
41.32004-05-29335°50'N / 96°36'W35°52'N / 96°28'W7.50 Miles700 Yards00350K0Creek
 Brief Description: A tornado moved from the west northwest of Depew to the north northeast of Depew. At its strongest it produced F3 damage. The F3 rating was based on a 20 foot section of a concrete anchored iron pipe cattle gate being removed from the ground and displaced 30 feet. The gate was anchored by 3 posts. All of the posts were set in 24 inches of concrete. Another tornado formed near and just after this tornado dissipated. The two tornadoes formed a nearly continuous damage path. The damage produced by the two tornadoes in western Creek County included 5 mobile homes destroyed, 2 houses destroyed, and 4 houses with significant roof damage. The path of the second tornado is described in a subsequent entry.
41.41953-04-23235°22'N / 96°05'W1.50 Miles300 Yards1425K0Okmulgee
41.81981-05-17435°23'N / 96°26'W35°33'N / 96°09'W19.60 Miles33 Yards022.5M0Okfuskee
41.91959-05-09236°25'N / 95°51'W36°38'N / 95°38'W19.10 Miles300 Yards0025K0Tulsa
42.31959-03-25235°30'N / 95°15'W000K0Muskogee
42.51974-06-08435°57'N / 96°39'W36°05'N / 96°27'W14.50 Miles400 Yards131352.5M0Creek
42.51973-06-04236°05'N / 96°32'W1.50 Miles33 Yards0025K0Creek
42.61970-06-11235°26'N / 96°16'W0.10 Mile100 Yards0025K0Okfuskee
42.91971-05-05236°16'N / 95°20'W36°19'N / 95°02'W17.00 Miles200 Yards0025K0Mayes
43.91990-05-15236°26'N / 95°25'W36°26'N / 95°15'W8.00 Miles123 Yards00250K0Mayes
44.11960-05-05235°18'N / 95°30'W35°25'N / 95°21'W11.70 Miles200 Yards26250K0Mcintosh
44.31974-06-08336°19'N / 95°34'W36°37'N / 95°12'W29.00 Miles100 Yards0025K0Craig
44.41954-05-01435°45'N / 96°37'W35°46'N / 96°31'W5.70 Miles33 Yards002.5M0Creek
44.41984-04-26436°10'N / 96°32'W36°12'N / 96°31'W2.00 Miles880 Yards002.5M0Pawnee
45.01983-07-30235°20'N / 95°27'W0.10 Mile10 Yards0025K0Mcintosh
45.11984-04-26436°05'N / 96°36'W36°10'N / 96°32'W5.00 Miles880 Yards002.5M0Creek
45.21961-02-17335°17'N / 96°16'W35°24'N / 96°05'W12.00 Miles300 Yards002.5M0Okfuskee
45.21956-04-02335°54'N / 96°37'W35°59'N / 96°36'W5.90 Miles300 Yards5382.5M0Creek
45.41973-06-18336°25'N / 96°20'W2.50 Miles40 Yards00250K0Osage
45.61960-05-05235°17'N / 95°35'W1.00 Mile400 Yards0025K0Mcintosh
46.21999-05-03335°45'N / 96°37'W35°46'N / 96°35'W2.00 Miles150 Yards002K0Creek
 Brief Description: This tornado started out in central Lincoln County, travelling northeast and passing through the eastern Lincoln County town of Stroud. This tornado caused considerable damage in Stroud, most notably to the Tanger Factory Outlet Center. For more information on the Lincoln County portion of this tornado, refer to the Tornado entry for the Central and Western Oklahoma Storm Data compiled by the National Weather Service Office in Norman. This tornado continued on into Creek County, travelling on the ground for two miles before lifting just northwest of Milfay. This tornado reached F3 strength at its peak in Lincoln County but had started weakening by the time it entered Creek County. The path length listed with this Tornado entry only incorporates that part of the tornado path in Creek County. Fortunately in Creek County, the tornado travelled through an unpopulated rural area and was only responsible for tree damage. Summary of events for May 3-4 1999: Following a week-long blocking weather pattern, a strong upper level trough finally moved out of the southwestern U.S. Interactions with a dryline in western Oklahoma and a slow-moving cold front brought the largest tornado outbreak in Oklahoma history from the afternoon of May 3 through the afternoon of May 4. Most notable was the F5 tornado that moved through southern parts of the Oklahoma City metro area. While the loss of life and the heaviest property damage was limited to central Oklahoma, eastern Oklahoma got into the act with a significant number of tornadoes. While there were dozens of individual storms on May 3 and 4, there are two storms in eastern Oklahoma that stand out as outstanding. The first outstanding storm moved northeast along the I-44 corridor on the evening of May 3, causing F3 damage to Stroud in Lincoln County. The storm went on to cause significant F1 damage in Sapulpa and southwestern portions of the city of Tulsa and millions of dollars in damage. The second outstanding storm got its start in southeast Oklahoma well south of McAlester. This storm moved northeast across Pushmataha, Latimer, Haskell, LeFlore and Sequoyah Counties, producing several damaging tornadoes along the way. The final tornado touched down in Sequoyah County and tracked 39 miles to near Fayetteville, AR, producing F3 damage in an unpopulated forest in Adair County. Following a very wet April that saturated area grounds, another slow-moving weather system made flash flooding another serious problem to deal with as most rainfall quickly ran off into creeks, streams and mainstem rivers. One flash flood in Vinita caused millions of dollars in damage following the flooding of dozens of homes.
46.91959-05-09336°31'N / 95°46'W36°40'N / 95°34'W15.20 Miles50 Yards00250K0Rogers
47.11982-09-13235°23'N / 96°19'W1.00 Mile50 Yards003K0Okfuskee
47.11956-04-02335°45'N / 96°39'W35°54'N / 96°37'W10.40 Miles300 Yards002.5M0Lincoln
47.21967-06-11235°45'N / 96°37'W000K0Lincoln
47.31957-05-20236°25'N / 96°23'W0025K0Osage
47.41986-04-07236°29'N / 95°20'W36°27'N / 95°14'W5.00 Miles100 Yards00250K0Mayes
47.51954-05-01235°17'N / 96°11'W35°19'N / 96°09'W2.70 Miles33 Yards0025K0Okfuskee
47.61979-03-29235°26'N / 96°24'W2.00 Miles30 Yards0025K0Okfuskee
47.61983-04-29236°33'N / 95°27'W1.50 Miles100 Yards00250K0Rogers
47.71964-05-10335°52'N / 94°57'W2.00 Miles440 Yards0025K0Cherokee
48.21954-05-01235°13'N / 95°37'W35°16'N / 95°35'W4.30 Miles33 Yards0025K0Mcintosh
48.31970-06-11235°15'N / 95°30'W35°18'N / 95°26'W5.20 Miles440 Yards1142.5M0Pittsburg
48.41981-05-17335°20'N / 96°29'W35°27'N / 96°15'W15.40 Miles350 Yards0025K0Seminole
48.51954-05-25235°22'N / 95°16'W003K0Muskogee
49.41995-06-09235°47'N / 96°40'W0.20 Mile25 Yards00500K0Lincoln
49.71967-01-25236°30'N / 95°26'W36°32'N / 95°10'W14.90 Miles33 Yards0025K0Mayes


* 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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