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King William County Natural Disasters and Weather Extremes

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

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

Earthquake Index, #45

King William County
0.12
Virginia
0.20
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

King William County
0.0000
Virginia
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, #41

King William County
107.31
Virginia
88.66
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 10,535 other weather extremes events within 50 miles of King William County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:4Cold:55Dense Fog:36Drought:77
Dust Storm:0Flood:1,143Hail:1,913Heat:38Heavy Snow:145
High Surf:3Hurricane:18Ice Storm:40Landslide:0Strong Wind:252
Thunderstorm Winds:5,222Tropical Storm:16Wildfire:16Winter Storm:242Winter Weather:193
Other:1,122 

Volcanos Nearby

No volcano is found in or near King William County.

Historical Earthquake Events

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

No historical earthquake events found in or near King William County.

Historical Tornado Events

A total of 26 historical tornado events that had recorded magnitude of 2 or above found in or near King William County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.71990-10-18337°37'N / 77°06'W37°40'N / 77°03'W5.00 Miles430 Yards102.5M0King William
22.11951-06-13237°33'N / 77°29'W37°36'N / 77°26'W4.10 Miles350 Yards012250K0Richmond (c)
22.31981-05-11237°41'N / 76°41'W0.20 Mile20 Yards0025K0Middlesex
22.91969-03-24237°31'N / 77°26'W0.30 Mile17 Yards01250K0Richmond (c)
24.11998-04-01237°53'N / 77°30'W37°54'N / 77°26'W4.00 Miles200 Yards01200K0Caroline
 Brief Description: Supercell thunderstorm produced a tornado along a 9 mile path extending from near Coatesville in northwest Hanover county eastward into south central Caroline county southeast of Ruther Glen. The damage path was nearly continuous along this track, with damage intensity ranging from F0/F1 to strong F2/F3 in a couple of locations along the path. Damage path ranged from about 200 yards wide to near one quarter of a mile wide at its widest. The most significant structural damage occurred to two homes east of Coatesville. One home was completely destroyed and another severely damaged. Numerous other homes in northwest Hanover and south central Caroline counties sustained lesser damage. In addition, two mobile homes were destroyed in Caroline county. Several churches sustained damage, and several outbuildings were severely damaged or destroyed. There were two areas along the tornado path where entire groves of pine trees were completely flattened by the tornado. There were two fatalities from the storm in the Coatesville area of northwest Hanover county and one minor injury in Caroline county.
24.31984-05-29237°30'N / 77°27'W0.50 Mile50 Yards002.5M0Chesterfield
25.11983-08-31237°58'N / 76°46'W0.20 Mile60 Yards0025K0Richmond
25.81966-11-02337°58'N / 76°45'W0225K0Richmond
25.81984-05-08237°20'N / 77°04'W37°22'N / 76°51'W15.00 Miles1000 Yards002.5M0Charlotte
26.41975-04-25237°50'N / 76°38'W0025K0Richmond
29.01998-04-01337°53'N / 77°37'W37°53'N / 77°32'W5.00 Miles400 Yards20800K0Hanover
 Brief Description: F39PH, M1PH
29.11986-10-14337°18'N / 76°57'W37°19'N / 76°54'W5.00 Miles33 Yards00250K0Charlotte
29.11984-05-08337°18'N / 77°18'W37°19'N / 77°13'W5.00 Miles1500 Yards0152.5M0Hopewell (c)
31.61990-04-02237°21'N / 77°27'W0.20 Mile100 Yards002.5M0Chesterfield
32.61986-10-14237°16'N / 77°18'W2.00 Miles100 Yards00250K0Prince George
34.21993-08-06437°12'N / 77°26'W37°19'N / 77°16'W12.00 Miles250 Yards424650.0M0Dinwiddie, Prince George And Chesterfield
 Brief Description: The most devastating tornado of the day touched down one mile southwest of Petersburg at approximately 1330 EDT. This tornado rapidly grew in size and strength as it moved northeast into the commercial historic district of Petersburg. Numerous homes and businesses sustained major damage. Damage estimates for the area were $15 million. Forty people were injured. The tornado crossed the river into Colonial Heights and struck one of the area's shopping districts. It destroyed some buildings and did major damage to numerous other buildings including the the Wal-Mart, where three people were killed and nearly 200 were injured. Total damage estimates in Colonial Heights were $29.5 million. The tornado crossed the Appomattox River again into Prince George County where it struck a sand and gravel pit company. A block building collapsed and numerous vehicles and other equipment were destroyed. One person was killed. Damage estimates were $750,000. It then moved into the northern section of Hopewell, where it ripped into the Riverside Park Apartment Complex, tearing the roofs off of several buildings. Minor damage was done to another 49 homes, major damage to 13 homes and 2 were destroyed. The tornado weakened then dissipated near the confluence of the Appomattox and James Rivers. Eight people were reported injured and damage estimates were $2.2 million. (F48O) (F40O) (F56O) (M28O)
35.31969-07-06237°13'N / 77°16'W0.50 Mile200 Yards0025K0Prince George
38.21970-06-21237°12'N / 77°22'W00250K0Petersburg (c)
38.31984-05-08337°13'N / 77°25'W2.00 Miles1500 Yards0025.0M0Petersburg (c)
38.81962-05-08237°40'N / 77°48'W120K0Goochland
41.51990-05-04337°19'N / 77°49'W37°14'N / 77°25'W8.00 Miles500 Yards002.5M0Amelia
41.91989-05-02237°53'N / 76°24'W37°56'N / 76°20'W5.00 Miles50 Yards000K0Northumberland
42.31970-06-21237°21'N / 77°43'W0025K0Chesterfield
43.21979-09-05238°20'N / 77°03'W2.00 Miles40 Yards00250K0King George
45.11978-04-19337°02'N / 77°01'W37°05'N / 77°00'W3.60 Miles33 Yards00250K0Surry
45.51986-10-14237°01'N / 77°22'W37°07'N / 77°12'W13.90 Miles450 Yards01250K0Prince George


* 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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