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Broken Arrow Public Schools Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Broken Arrow Public Schools is lower than Oklahoma average and is much lower than the national average. The risk of tornado damage in Broken Arrow Public Schools 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, #247

Broken Arrow Public Schools
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

Broken Arrow Public Schools
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, #113

Broken Arrow Public Schools
424.59
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 6,822 other weather extremes events within 50 miles of Broken Arrow Public Schools 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:628Hail:3,241Heat:25Heavy Snow:31
High Surf:0Hurricane:0Ice Storm:21Landslide:0Strong Wind:45
Thunderstorm Winds:2,606Tropical Storm:0Wildfire:17Winter Storm:42Winter Weather:11
Other:113 

Volcanos Nearby

No volcano is found in or near Broken Arrow Public Schools.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Broken Arrow Public Schools.

No historical earthquake events found in or near Broken Arrow Public Schools.

Historical Tornado Events

A total of 143 historical tornado events that had recorded magnitude of 2 or above found in or near Broken Arrow Public Schools.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
1.51976-05-30236°01'N / 95°46'W36°02'N / 95°45'W1.30 Miles33 Yards002.5M0Wagoner
1.91986-04-13236°03'N / 95°47'W36°06'N / 95°44'W4.00 Miles300 Yards022.5M0Tulsa
2.01975-06-05236°04'N / 95°44'W0.50 Mile150 Yards01250K0Wagoner
2.41984-04-26236°03'N / 95°49'W36°04'N / 95°47'W3.00 Miles500 Yards012.5M0Tulsa
2.51973-05-26236°01'N / 95°47'W2.00 Miles33 Yards003K0Tulsa
2.81976-05-30236°00'N / 95°47'W36°01'N / 95°46'W1.30 Miles880 Yards002.5M0Tulsa
6.32010-05-13236°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.
6.71981-04-19336°04'N / 95°55'W36°05'N / 95°50'W4.90 Miles200 Yards07250.0M0Tulsa
7.61982-12-24236°00'N / 95°53'W3.00 Miles100 Yards072.5M0Tulsa
7.71993-04-24336°08'N / 95°49'W36°11'N / 95°40'W8.00 Miles250 Yards003050.0MRogers
7.91981-04-19336°02'N / 95°54'W0.50 Mile7 Yards012.5M0Tulsa
8.21966-04-11335°54'N / 95°46'W35°58'N / 95°40'W7.30 Miles100 Yards06250K0Wagoner
8.22010-05-13236°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.
8.21979-03-18236°10'N / 95°46'W36°10'N / 95°45'W1.30 Miles33 Yards00250K0Rogers
8.31979-03-18236°10'N / 95°47'W36°10'N / 95°46'W1.30 Miles33 Yards00250K0Tulsa
8.91980-09-16236°03'N / 95°36'W2.50 Miles2200 Yards00250K0Wagoner
9.01993-04-24436°09'N / 95°50'W36°12'N / 95°45'W5.50 Miles250 Yards7100500K0Tulsa And Rogers
9.51986-09-29236°11'N / 95°44'W2.00 Miles100 Yards01250K0Rogers
9.71974-06-08336°00'N / 96°06'W36°05'N / 95°46'W19.50 Miles100 Yards03525.0M0Tulsa
10.71974-06-08335°59'N / 96°00'W36°09'N / 95°54'W12.80 Miles100 Yards27025.0M0Tulsa
10.81974-06-08336°05'N / 95°46'W36°10'N / 95°25'W20.40 Miles100 Yards0025.0M0Wagoner
10.91957-07-01236°05'N / 95°57'W0025K0Tulsa
11.41966-05-11236°10'N / 95°54'W2.00 Miles100 Yards0125K0Tulsa
11.91986-09-26235°54'N / 95°39'W36°00'N / 95°31'W8.00 Miles73 Yards00250K0Wagoner
12.21981-04-19335°57'N / 96°00'W35°54'N / 95°50'W9.90 Miles880 Yards5492.5M0Tulsa
12.21966-05-11236°10'N / 95°41'W36°11'N / 95°32'W8.40 Miles50 Yards02250K0Rogers
12.31975-12-05235°54'N / 95°53'W2.00 Miles100 Yards003K0Tulsa
12.81991-05-16236°12'N / 95°43'W36°15'N / 95°40'W4.00 Miles100 Yards00250K0Rogers
12.91974-06-08336°09'N / 95°54'W36°19'N / 95°34'W21.80 Miles100 Yards0102.5M0Rogers
13.42010-05-13236°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.
13.61975-12-05336°09'N / 95°58'W1.50 Miles700 Yards03825.0M0Tulsa
14.91974-06-08235°55'N / 96°07'W35°58'N / 95°52'W14.40 Miles100 Yards00250K0Creek
16.01958-08-20236°15'N / 95°54'W0.10 Mile33 Yards003K0Tulsa
16.31964-04-12236°04'N / 96°03'W0.20 Mile50 Yards003K0Creek
16.51954-03-24235°49'N / 95°41'W1.00 Mile33 Yards00250K0Muskogee
16.61975-12-05335°40'N / 95°58'W35°57'N / 95°38'W27.00 Miles50 Yards00250K0Okmulgee
17.71961-05-07235°54'N / 95°30'W000K0Wagoner
17.81960-05-19235°52'N / 95°32'W000K0Wagoner
17.81981-06-15235°57'N / 96°05'W35°58'N / 96°02'W3.30 Miles100 Yards03250K0Creek
20.11960-05-05235°45'N / 95°40'W35°48'N / 95°36'W4.90 Miles100 Yards0025K0Muskogee
21.91960-05-05235°56'N / 95°25'W35°59'N / 95°21'W5.10 Miles200 Yards00250K0Wagoner
21.92010-05-13236°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.
22.51971-05-05335°49'N / 95°45'W35°55'N / 95°06'W37.00 Miles600 Yards00250K0Muskogee
22.71974-06-08236°20'N / 95°53'W36°24'N / 95°50'W5.40 Miles60 Yards0025K0Tulsa
23.11983-06-27236°22'N / 95°52'W36°23'N / 95°49'W2.00 Miles100 Yards1025K0Tulsa
23.81983-06-27236°23'N / 95°49'W36°24'N / 95°45'W3.00 Miles100 Yards0025K0Rogers
24.21964-05-10235°44'N / 95°57'W003K0Okmulgee
24.41968-12-18236°21'N / 96°00'W36°22'N / 95°56'W3.80 Miles100 Yards0025K0Tulsa
25.01992-07-02336°26'N / 95°48'W36°23'N / 95°47'W3.00 Miles100 Yards00250K0Rogers
25.01982-08-27235°51'N / 95°23'W1.00 Mile50 Yards0225K0Wagoner
25.31974-06-08336°10'N / 95°25'W36°13'N / 95°16'W9.00 Miles100 Yards0725.0M0Mayes
25.51997-05-26235°44'N / 96°04'W35°45'N / 95°58'W8.00 Miles100 Yards00160K0Okmulgee
25.71992-07-02336°24'N / 95°50'W36°26'N / 95°48'W1.00 Mile100 Yards01250K0Tulsa
26.41964-07-09236°21'N / 96°03'W0025K0Osage
26.41983-06-27236°21'N / 96°03'W0.50 Mile100 Yards00250K0Osage
27.01982-04-02236°24'N / 95°33'W1.00 Mile50 Yards00250K0Rogers
27.21991-04-26436°12'N / 96°17'W36°23'N / 96°00'W21.00 Miles1700 Yards0192.5M0Osage
27.51974-06-08436°16'N / 96°07'W36°25'N / 96°04'W10.70 Miles200 Yards115250K0Osage
28.11982-06-11235°38'N / 95°52'W35°39'N / 95°44'W6.00 Miles50 Yards00250K0Okmulgee
28.41959-05-09336°24'N / 95°48'W36°31'N / 95°46'W8.20 Miles50 Yards00250K0Rogers
28.61960-05-05535°44'N / 96°24'W36°03'N / 96°04'W28.70 Miles800 Yards002.5M0Creek
29.31991-04-26436°27'N / 95°43'W36°29'N / 95°39'W4.00 Miles1300 Yards02225.0M0Rogers
29.51999-06-01335°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.
29.81984-04-26236°28'N / 95°53'W0.10 Mile17 Yards00250K0Washington
29.91967-01-25236°22'N / 95°36'W36°30'N / 95°26'W12.90 Miles33 Yards0025K0Rogers
29.91990-05-15236°26'N / 95°33'W36°26'N / 95°29'W4.00 Miles73 Yards08250K0Rogers
30.01965-04-08235°46'N / 95°21'W0.30 Mile100 Yards0025K0Muskogee
30.41960-05-05335°52'N / 96°25'W36°08'N / 96°11'W22.50 Miles400 Yards00250K0Creek
30.51974-06-08436°09'N / 96°18'W36°12'N / 96°16'W3.80 Miles100 Yards00250K0Tulsa
30.71990-03-13235°44'N / 96°13'W35°46'N / 96°07'W7.00 Miles340 Yards00250K0Okmulgee
30.91995-04-17235°51'N / 95°18'W35°52'N / 95°13'W4.50 Miles125 Yards00500K0Wagoner
31.61984-04-29436°14'N / 96°20'W36°16'N / 96°12'W7.00 Miles20 Yards12025.0M0Osage
31.62010-05-13235°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.
31.71961-05-08236°15'N / 95°15'W003K0Mayes
32.91993-04-24236°12'N / 95°15'W36°14'N / 95°10'W4.50 Miles150 Yards015.0M0Mayes
33.01984-04-26335°28'N / 96°03'W35°42'N / 95°45'W22.00 Miles1760 Yards89525.0M0Okmulgee
33.01959-05-09236°25'N / 95°51'W36°38'N / 95°38'W19.10 Miles300 Yards0025K0Tulsa
33.81982-04-02236°20'N / 95°16'W0.50 Mile10 Yards0025K0Mayes
34.61990-03-13235°42'N / 96°14'W35°44'N / 96°13'W2.00 Miles340 Yards00250K0Creek
34.81977-07-25235°37'N / 95°25'W35°40'N / 95°22'W4.50 Miles100 Yards0025K0Muskogee
35.01966-04-11235°52'N / 95°14'W35°52'N / 95°07'W6.50 Miles20 Yards00250K0Cherokee
35.61984-04-29436°13'N / 96°23'W36°14'N / 96°20'W3.00 Miles200 Yards01525.0M0Pawnee
35.71990-05-15236°26'N / 95°25'W36°26'N / 95°15'W8.00 Miles123 Yards00250K0Mayes
35.71974-06-08336°19'N / 95°34'W36°37'N / 95°12'W29.00 Miles100 Yards0025K0Craig
35.81974-06-08235°52'N / 96°24'W35°54'N / 96°20'W4.30 Miles100 Yards0025K0Creek
36.31971-05-05236°16'N / 95°20'W36°19'N / 95°02'W17.00 Miles200 Yards0025K0Mayes
36.61976-03-29235°33'N / 95°32'W0.30 Mile30 Yards003K0Mcintosh
36.61984-04-29436°10'N / 96°24'W36°13'N / 96°23'W3.00 Miles200 Yards0525.0M0Pawnee
36.91991-04-26436°10'N / 96°31'W36°12'N / 96°17'W11.00 Miles1700 Yards152.5M0Pawnee
37.21981-04-19235°58'N / 95°08'W35°58'N / 95°04'W3.60 Miles600 Yards002.5M0Creek
37.82010-05-10235°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.
37.91959-05-09336°31'N / 95°46'W36°40'N / 95°34'W15.20 Miles50 Yards00250K0Rogers
38.11984-04-26436°12'N / 96°31'W36°12'N / 96°19'W15.00 Miles880 Yards3372.5M0Pawnee
38.31973-05-26235°30'N / 95°32'W35°34'N / 95°28'W5.70 Miles200 Yards00250K0Mcintosh
38.51998-10-04235°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.
38.51981-05-17435°33'N / 96°09'W35°36'N / 96°06'W4.30 Miles33 Yards002.5M0Okmulgee
38.61984-04-29435°57'N / 96°30'W36°10'N / 96°24'W14.00 Miles20 Yards02025.0M0Creek
38.61957-07-01236°01'N / 96°27'W000K0Creek
38.81983-04-29236°33'N / 95°27'W1.50 Miles100 Yards00250K0Rogers
39.31960-05-05335°29'N / 95°51'W0.80 Mile150 Yards215250K0Okmulgee
39.31986-04-07236°29'N / 95°20'W36°27'N / 95°14'W5.00 Miles100 Yards00250K0Mayes
39.31981-04-19335°55'N / 95°06'W35°55'N / 95°03'W3.00 Miles100 Yards003K0Creek
39.41965-04-11235°35'N / 95°21'W003K0Muskogee
39.62010-05-10235°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.
39.71959-03-31336°06'N / 96°30'W36°07'N / 96°26'W3.80 Miles100 Yards03250K0Creek
39.91956-11-20235°42'N / 95°12'W35°44'N / 95°09'W3.60 Miles150 Yards003K0Muskogee
40.91973-06-18336°25'N / 96°20'W2.50 Miles40 Yards00250K0Osage
41.31967-01-25236°30'N / 95°26'W36°32'N / 95°10'W14.90 Miles33 Yards0025K0Mayes
42.31973-05-26435°33'N / 95°19'W35°35'N / 95°16'W3.60 Miles500 Yards525250K0Muskogee
42.51999-03-08235°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.
43.01999-03-08235°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.
43.11957-05-20236°25'N / 96°23'W0025K0Osage
43.21951-06-07235°34'N / 95°16'W010K0Muskogee
43.31973-06-04236°05'N / 96°32'W1.50 Miles33 Yards0025K0Creek
43.71984-04-26436°10'N / 96°32'W36°12'N / 96°31'W2.00 Miles880 Yards002.5M0Pawnee
44.21974-06-08435°57'N / 96°39'W36°05'N / 96°27'W14.50 Miles400 Yards131352.5M0Creek
44.32010-05-10235°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.
44.41961-02-17335°24'N / 96°05'W35°29'N / 95°58'W9.00 Miles300 Yards012.5M0Okmulgee
44.52010-05-10235°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.
44.61981-05-17235°37'N / 95°10'W000K0Muskogee
45.31980-04-07336°27'N / 95°12'W36°30'N / 95°05'W7.20 Miles440 Yards002.5M0Mayes
45.32004-05-29335°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.
45.41984-04-26436°05'N / 96°36'W36°10'N / 96°32'W5.00 Miles880 Yards002.5M0Creek
46.11960-05-05335°42'N / 96°37'W35°52'N / 96°25'W16.00 Miles400 Yards00250K0Creek
46.41999-06-01235°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.
46.51960-05-05535°38'N / 96°31'W35°44'N / 96°24'W9.50 Miles800 Yards5812.5M0Creek
46.61999-06-01335°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.
46.71998-10-04235°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.
46.81954-03-24236°27'N / 95°09'W36°30'N / 95°04'W5.60 Miles50 Yards0025K0Mayes
46.81961-03-26335°16'N / 95°43'W35°30'N / 95°28'W21.40 Miles200 Yards0125K0Mcintosh
46.91964-05-10335°52'N / 94°57'W2.00 Miles440 Yards0025K0Cherokee
47.31974-06-08335°32'N / 96°32'W35°42'N / 96°18'W17.40 Miles1300 Yards00250K0Okfuskee
47.31959-03-25235°30'N / 95°15'W000K0Muskogee
47.41961-03-26236°33'N / 96°20'W36°45'N / 96°00'W23.00 Miles33 Yards0260K0Rogers
47.41996-05-26236°36'N / 95°39'W36°50'N / 95°29'W18.00 Miles880 Yards00200K0Nowata
47.91961-04-30236°24'N / 96°30'W0025K0Osage
48.01956-04-02335°54'N / 96°37'W35°59'N / 96°36'W5.90 Miles300 Yards5382.5M0Creek
48.31959-05-09336°26'N / 95°07'W36°29'N / 95°00'W7.30 Miles880 Yards03250K0Mayes
49.11957-01-22235°15'N / 96°14'W35°31'N / 95°55'W25.60 Miles33 Yards0025K0Hughes
49.21965-04-05236°44'N / 96°00'W1.50 Miles67 Yards00250K0Washington
49.41954-05-01435°45'N / 96°37'W35°46'N / 96°31'W5.70 Miles33 Yards002.5M0Creek
49.41967-01-25236°32'N / 95°10'W36°36'N / 95°08'W4.70 Miles33 Yards000K0Mayes
50.01981-05-17435°23'N / 96°26'W35°33'N / 96°09'W19.60 Miles33 Yards022.5M0Okfuskee


* 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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