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Washington County Natural Disasters and Weather Extremes

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

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

Earthquake Index, #38

Washington County
0.01
Louisiana
0.03
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

Washington County
0.0000
Louisiana
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, #24

Washington County
237.11
Louisiana
235.86
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 9,340 other weather extremes events within 50 miles of Washington County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:6Dense Fog:1Drought:21
Dust Storm:0Flood:738Hail:2,627Heat:21Heavy Snow:9
High Surf:0Hurricane:8Ice Storm:12Landslide:0Strong Wind:19
Thunderstorm Winds:5,335Tropical Storm:11Wildfire:0Winter Storm:13Winter Weather:10
Other:509 

Volcanos Nearby

No volcano is found in or near Washington County.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Washington County.

No historical earthquake events found in or near Washington County.

Historical Tornado Events

A total of 77 historical tornado events that had recorded magnitude of 2 or above found in or near Washington County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.41968-09-17230°50'N / 90°07'W1.00 Mile100 Yards003K0Washington
7.91983-03-20330°58'N / 90°02'W2.00 Miles200 Yards00250K0Washington
14.31961-02-21230°57'N / 89°50'W0.80 Mile283 Yards09250K0Washington
14.42006-11-15231°00'N / 90°01'W31°04'N / 89°50'W11.00 Miles125 Yards01500K0KWalthall
 Brief Description: EVENT NARRATIVE: A tornado, of strong intensity at several locations, entered Walthall County from Washington Parish LA. The tornado moved northeast across the southeast portion of Walthall County before exiting into Marion County. Several mobile homes were destroyed and roofs were blown off several frame houses. One injury was reported from an occupant of one of the mobile homes. Trees and power lines were also downed in a number of locations. Overall, the emergency manager reported 11 structures with major damage and 5 structures with minor damage. EPISODE NARRATIVE: Severe thunderstorms developed in the vicinity of a warm front that moved north across south Mississippi during the afternoon and evening of the 14th and in advance and along a cold front that moved through the area during the morning of the 15th.
15.51987-02-15231°04'N / 90°09'W31°04'N / 90°06'W3.00 Miles73 Yards02250K0Walthall
17.11961-04-09230°42'N / 90°30'W30°50'N / 90°08'W23.60 Miles100 Yards00250K0Tangipahoa
17.51957-11-18231°03'N / 89°53'W31°04'N / 89°52'W1.90 Miles77 Yards00250K0Walthall
17.61974-11-20230°38'N / 90°11'W30°35'N / 90°05'W7.10 Miles33 Yards0025K0St. Tammany
19.01965-06-06231°07'N / 90°08'W003K0Walthall
19.31972-05-07230°48'N / 90°22'W1.00 Mile100 Yards0025K0Tangipahoa
23.11972-05-12230°45'N / 90°25'W2.00 Miles100 Yards00250K0Tangipahoa
23.71982-11-30231°05'N / 89°45'W0.50 Mile100 Yards00250K0Marion
24.51980-05-19230°50'N / 89°38'W0.30 Mile50 Yards0025K0Pearl River
24.61964-10-03230°48'N / 89°39'W30°50'N / 89°37'W3.30 Miles33 Yards000K0Pearl River
24.92005-04-06231°03'N / 90°20'W31°13'N / 90°17'W9.00 Miles100 Yards02200K0Pike
 Brief Description: A tornado touched down near the community of Progress in Pike County and moved north northeast to the Barto area before crossing Highway 98 and moving out of Pike County and into Walthall County about 2 miles east northeast of Holmesville. Along its path in Pike County, the tornado destroyed a church and a couple of mobile homes, damaged a number of houses and businesses, and knocked down numerous trees. A meso-cyclone thunderstorm produced a tornado as moved on an intermittent path northeastward across eastern Pike County and northwest Walthall County.
26.01987-02-15230°52'N / 90°30'W30°54'N / 90°28'W3.50 Miles150 Yards03250K0Tangipahoa
26.11997-11-21230°29'N / 90°13'W30°29'N / 90°04'W9.00 Miles200 Yards0433.5M0St. Tammany
 Brief Description: A severe thunderstorm produced a tornado as it moved into St. Tammany Parish. The tornado was first observed by the State Police on Interstate Highway 12 west of Covington. From data collected on a ground, damage survey by the National Weather Service, the tornado moved on a path slightly north of due east. The tornado moved across the downtown area of Covington and continued east for nearly 2 miles before lifting off the ground. Most of the damage along path indicated F1 damage, however, several areas near downtown Covington were classified as F2 damage. Parish officials reported 43 injuries were reported with tornado, though most were relatively minor. Six persons required and overnight stay in a hospital, including three pregnant women. Most of the damage to homes was due to large pine trees which had been toppled onto houses. In downtown Covington, a few large buildings lost roofs, had windows blown out, or suffered substantial damage. A large parish building suffered $500,000 damage. Media reports indicated cleanup would cost several million dollars. Just east of the downtown area, several cars were lifted and moved tens of feet by the tornado, and an empty tractor-trailer truck rig was blown over. Nearly 50 cars in a parking lot had their windows blown out by debris or by rapid pressure drop. The same parent thunderstorm spawned another tornado just south of Talisheek damaging a barn and a house. The damage path length at Talisheek was estimated. American Red Cross reports indicated 69 single family homes were destroyed or had major damage in St. Tammany Parish. Four public buildings were also heavily damaged.
27.82006-11-15230°45'N / 90°32'W30°45'N / 90°28'W3.00 Miles100 Yards10250K0KSt. Helena
 Brief Description: EVENT NARRATIVE: A tornado touched down near the intersection of Louisiana Highways 441 and 1046 and moved northeast to Tangipahoa Parish line west of Arcola. One fatality occurred near the initial touchdown when the tornado struck a small frame house and close-by travel trailer. Both house and travel trailer next to the house were destroyed with debris piled about 25 yards to the northeast. A 43 year-old male in the travel trailer was fataly injured. The tornado continued northeast with damage primarily to trees, powerlines and house roofs. EPISODE NARRATIVE: Severe thunderstorms developed in the vicinity of a warm front that moved north across southeast Louisiana during the afternoon and evening of the 14th and in advance and along a cold front that moved through the area during the morning of the 15th.
28.41971-06-04231°14'N / 89°52'W0.50 Mile33 Yards00250K0Marion
28.51973-05-26230°42'N / 89°36'W0425K0Pearl River
28.61958-11-14231°12'N / 90°17'W31°14'N / 90°16'W3.00 Miles30 Yards0025K0Quitman
29.21957-11-18231°04'N / 89°52'W31°24'N / 89°48'W23.40 Miles77 Yards0225K0Marion
29.31971-09-19230°41'N / 90°30'W0.20 Mile50 Yards003K0Tangipahoa
29.51958-02-26230°48'N / 89°39'W30°59'N / 89°27'W17.40 Miles50 Yards04250K0Pearl River
30.71996-02-19230°49'N / 89°40'W31°01'N / 89°24'W23.00 Miles430 Yards010700K0Pearl River
 Brief Description: A strong tornado touched down just northwest of the White Sand community. The most significant damage occurred in the initial 2.2 miles just to the north of the White Sand community where ten people were injured; five seriously, requiring hospitalization. The most serious was a woman who suffered a broken back, broken ribs and a punctured lung. The tornado continued on the ground continuously to just north of Poplarville, then intermittently to near Hillsdale. The county suffered considerable property damage with five houses destroyed, 10 had major damage and 14 minor damage. Nine mobile homes were destroyed, 3 sustained major damage and 5 minor damage. Numerous barns and other buildings were damaged. Several farm animals were killed. Large areas of 8 to 12 inch diameter trees were downed. The tornado path was surveyed by National Weather Service employees.
30.71971-09-16230°28'N / 90°20'W30°31'N / 90°22'W4.10 Miles150 Yards00250K0Tangipahoa
31.01973-12-04230°42'N / 90°34'W30°43'N / 90°31'W3.60 Miles80 Yards032.5M0Tangipahoa
31.41972-05-07230°51'N / 89°32'W30°54'N / 89°30'W4.30 Miles50 Yards0025K0Pearl River
32.12005-04-06231°15'N / 90°18'W31°20'N / 90°09'W7.00 Miles100 Yards00300K0Walthall
 Brief Description: A tornado moved out of Pike County and entered Walthall County about 3 miles west northwest of Dinan and continued travelling north northeast until it dissipated approximately 2 miles west of Sartinsville. The tornado caused significant damage to 25 houses, 10 trailers, and 2 businesses in Walthall County. A meso-cyclone thunderstorm produced a tornado as moved on an intermittent path northeastward across eastern Pike County and northwest Walthall County.
32.21987-02-15230°29'N / 89°42'W30°31'N / 89°41'W3.00 Miles100 Yards02250K0Pearl River
32.81964-10-04230°23'N / 90°08'W1.00 Mile183 Yards0025K0St. Tammany
32.91976-03-27230°54'N / 89°37'W30°59'N / 89°23'W15.00 Miles440 Yards0125K0Pearl River
33.01962-11-11231°10'N / 90°28'W00250K0Pike
33.61968-11-03230°48'N / 89°39'W30°48'N / 89°19'W19.80 Miles180 Yards0025K0Pearl River
34.11977-12-13331°07'N / 90°33'W31°14'N / 90°25'W11.40 Miles350 Yards022.5M0Pike
34.81965-03-01231°18'N / 90°13'W31°23'N / 90°09'W7.20 Miles110 Yards0025K0Walthall
34.91963-06-21231°13'N / 90°27'W31°15'N / 90°25'W3.30 Miles50 Yards003K0Pike
35.21992-02-15230°35'N / 90°33'W0.80 Mile527 Yards0102.5M0Tangipahoa
35.51953-02-06330°30'N / 90°33'W30°32'N / 90°27'W6.50 Miles400 Yards002.5M0Tangipahoa
36.11981-03-31231°17'N / 90°26'W31°21'N / 90°13'W13.70 Miles127 Yards00250K0Pike
36.61950-04-29231°16'N / 89°50'W31°23'N / 89°42'W11.30 Miles100 Yards00250K0Marion
36.61965-07-06231°21'N / 89°50'W000K0Marion
36.71977-12-13331°02'N / 90°40'W31°07'N / 90°33'W9.00 Miles350 Yards0025K0Amite
37.31975-01-10431°11'N / 90°32'W31°21'N / 90°22'W15.20 Miles200 Yards420025.0M0Pike
37.91977-09-05230°25'N / 90°26'W1.70 Miles70 Yards012.5M0Tangipahoa
38.51971-12-10331°17'N / 89°59'W31°30'N / 89°47'W19.10 Miles133 Yards0525K0Marion
38.51958-02-26230°59'N / 89°27'W31°03'N / 89°24'W5.70 Miles50 Yards05250K0Lamar
38.52004-11-24230°18'N / 89°51'W30°21'N / 89°49'W4.00 Miles50 Yards04750K0St. Tammany
 Brief Description: A tornado touched down along an intermittent path approximately 4 miles long on the northwest side of Slidell. A NWS ground survey indicated that minor damage occurred to the south of US Highway 190 and near Centennial Park subdivision. The tornado continued to track north-northeast with the greatest damage, F2 intensity, occurring just southwest of the airport. The tornado damaged about 152 houses in the Bel Air subdivision off Airport Road with nine of the homes being declared uninhabitable. Four people received injuries during the storm and were treated at an area hospital and released. A wind gust of 70 mph (61 knots) was recorded at the automated weather equipment (ASOS) at the Slidell Airport.
38.71961-09-11230°20'N / 89°46'W30°20'N / 89°50'W4.30 Miles100 Yards0225K0St. Tammany
38.91986-04-12231°26'N / 90°15'W31°23'N / 90°03'W13.60 Miles100 Yards002.5M0Lawrence
39.31977-11-29230°30'N / 90°34'W1.00 Mile50 Yards02250K0Livingston
39.31969-05-08230°53'N / 89°23'W2.00 Miles30 Yards0025K0Pearl River
39.51961-02-20231°20'N / 89°50'W31°26'N / 89°46'W7.90 Miles73 Yards0425K0Marion
40.61989-11-22231°03'N / 89°24'W2.50 Miles400 Yards00250K0Lamar
41.51968-11-03231°00'N / 89°22'W2.00 Miles50 Yards050K0Pearl River
41.61987-11-16230°31'N / 89°29'W30°32'N / 89°26'W3.00 Miles73 Yards00250K0Hancock
42.01973-04-07230°28'N / 89°30'W0025K0Hancock
42.01972-11-13231°08'N / 89°25'W0.80 Mile50 Yards00250K0Lamar
42.31975-05-08230°45'N / 90°45'W000K0St. Helena
42.41953-02-06330°29'N / 90°42'W30°30'N / 90°33'W9.10 Miles400 Yards2212.5M0Livingston
42.81975-01-10431°21'N / 90°22'W31°31'N / 90°14'W14.00 Miles150 Yards592.5M0Lincoln
43.22005-01-07231°11'N / 89°27'W31°12'N / 89°25'W3.00 Miles300 Yards00200K0Lamar
 Brief Description: This tornado touched down at Hayden Road and Purvis Oloh Road and tracked north-northeast for 3 miles before lifting near Highway 589, 3 miles north of Purvis. The track basically was along Hayden Road and it was this area that receive the most significant damage. Six homes sustained minor to major roof damage and dozens of trees were uprooted and snapped. The worst damaged was to a home that lost most of its roof and second floor.
43.31976-03-29231°27'N / 90°16'W0.20 Mile50 Yards003K0Lincoln
44.11986-03-12231°20'N / 90°31'W31°21'N / 90°32'W2.00 Miles250 Yards00250K0Pike
44.41954-02-20231°17'N / 89°39'W31°26'N / 89°31'W13.10 Miles200 Yards010250K0Lamar
44.51986-03-12231°19'N / 90°36'W31°20'N / 90°31'W3.00 Miles250 Yards00250K0Amite
45.11986-03-12231°21'N / 90°32'W31°23'N / 90°30'W3.00 Miles250 Yards00250K0Lincoln
45.71986-04-12231°31'N / 90°22'W31°26'N / 90°15'W8.20 Miles100 Yards002.5M0Lincoln
46.81961-02-20231°25'N / 89°46'W31°32'N / 89°42'W9.10 Miles73 Yards0425K0Jefferson Davis
47.31971-12-10331°29'N / 89°44'W003K0Jefferson Davis
47.62006-11-15331°21'N / 89°37'W31°25'N / 89°27'W12.00 Miles500 Yards061.5M0KLamar
 Brief Description: EVENT NARRATIVE: This strong tornado touched down to the southwest of Sumrall and tracked east northeast across northern Lamar County and then into a small portion of extreme northwest Forrest County before dissipating. Approximately 25 homes were damaged, 16 of those suffering major damage or total destruction. The worst damage was along Old Salt Road, where a wood frame home on a concrete block foundation was totally destroyed, with the foundation cleared and the remnants of the home displaced dozens of yards away. A minivan was picked up and thrown/rolled a distance of approximately 150 yards, landing on top of a tractor and totally destroyed. Some large trees at this location were snapped at the base, denuded, and partially debarked. Heavy damage of F2 intensity was also observed along Foster Road, JD Hatten Road, and Rocky Branch road. Large swaths of trees were snapped and uprooted, and a few frame homes totally lost their roofs. Other damage along the path was weaker and generally of F1 intensity. The tornado then crossed Highway 42 and entered extreme northwest Forrest County. The total path length across Lamar and Forrest Counties was 13 miles. EPISODE NARRATIVE: An intense fall cyclone developed over the region and produced an episode of severe weather which included tornadoes. This strong weather system developed as a very strong jet stream, with winds between 160-200 mph, slammed into Oregon and Washington State. All that energy moved over the Rocky Mountains and caused a strong area of surface low pressure to develop. This low intensified as it moved east across the Red River Valley and then lifted across Arkansas and into Tennessee as it deepened to 990 mb! The strength of this deepening low caused warm and unstable air to lift northward across Louisiana and into central Mississippi. It was this northward moving warm front that became the focus of an area where tornadic supercell thunderstorms could thrive in an unstable and highly sheared environment. This large and powerful storm system produced numerous tornadoes across the south and south eastern United States where many were of the strong (F2 or F3) variety. Within the Jackson, MS forecast area, there were a total of 5 tornadoes to impact the counties serviced. Two F3s, one in Lamar County and the other in Jones County. The Jones County tornado actually contained a satellite tornado, F1, which briefly rotated around the parent tornado. Next was an F1 tornado in southern Marion County which was actually the end of a strong tornado that moved out of Walthall County. Lastly, a brief F1 tornado occurred in central Lamar County. Tornadoes were not the only type of severe weather, scattered wind damage also occurred across northeast Louisiana and portions of central Mississippi between midnight and 10 am Wednesday November 15th 2006.
47.71972-04-21331°25'N / 90°28'W31°31'N / 90°22'W9.10 Miles150 Yards0025K0Lincoln
49.21989-06-08230°40'N / 90°51'W30°38'N / 90°50'W1.50 Miles50 Yards0025K0St. Helena
49.31978-04-18431°33'N / 90°07'W31°35'N / 89°58'W9.20 Miles100 Yards431250K0Lawrence
49.41992-11-21331°26'N / 89°55'W31°39'N / 89°44'W15.00 Miles880 Yards052.5M0Jefferson Davis
49.41980-04-13230°14'N / 89°37'W30°22'N / 89°25'W15.10 Miles300 Yards00250K0Hancock
49.51978-04-17231°20'N / 90°42'W31°20'N / 90°38'W3.80 Miles100 Yards0225K0Amite


* 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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