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Webster, SD Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Webster is about the same as South Dakota average and is much lower than the national average. The risk of tornado damage in Webster is lower than South Dakota average and is lower than the national average.

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

Earthquake Index, #344

Webster, SD
0.01
South Dakota
0.05
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

Webster, SD
0.0000
South Dakota
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, #254

Webster, SD
85.36
South Dakota
114.73
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 1,909 other weather extremes events within 50 miles of Webster, SD were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:21Cold:8Dense Fog:1Drought:3
Dust Storm:0Flood:139Hail:1,021Heat:2Heavy Snow:18
High Surf:0Hurricane:0Ice Storm:3Landslide:0Strong Wind:14
Thunderstorm Winds:622Tropical Storm:0Wildfire:6Winter Storm:21Winter Weather:0
Other:30 

Volcanos Nearby

No volcano is found in or near Webster, SD.

Historical Earthquake Events

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

No historical earthquake events found in or near Webster, SD.

Historical Tornado Events

A total of 32 historical tornado events that had recorded magnitude of 2 or above found in or near Webster, SD.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
17.31996-07-17245°29'N / 97°51'W45°30'N / 97°45'W5.00 Miles150 Yards00200K0Day
 Brief Description: A tornado touched down one mile southwest of Pierpont and traveled east northeast. Two miles east of Pierpont the tornado took out the west wall and the roof of a farmhouse, destroyed a machine shop, a garage, and six grain bins. A truck had its windshield crushed and its side was dented by debris. The tornado also brought down some power lines and several trees in its path.
18.81964-06-08245°05'N / 97°40'W0.50 Mile33 Yards000K0Clark
19.11961-06-28245°36'N / 97°38'W1.00 Mile33 Yards00250K0Marshall
24.21953-06-15245°30'N / 97°59'W45°35'N / 97°52'W7.60 Miles33 Yards003K0Day
24.71962-08-06245°03'N / 97°13'W00250K0Codington
25.51964-06-08244°58'N / 97°33'W000K0Clark
28.41969-06-25345°27'N / 98°05'W1.50 Miles133 Yards06250K0Brown
28.51955-06-28245°18'N / 98°10'W45°20'N / 98°03'W5.40 Miles50 Yards0025K0Brown
29.51961-06-21345°28'N / 98°14'W44°59'N / 97°59'W35.40 Miles33 Yards003K0Brown
31.91963-07-26244°57'N / 97°53'W1.00 Mile1000 Yards0025K0Clark
33.11996-05-31345°41'N / 97°59'W45°44'N / 97°55'W5.00 Miles400 Yards0000Marshall
 Brief Description: An F1 tornado organized over the parking lot of the Target Shopping Center in Aberdeen and tracked northeast towards Bath. It destroyed a green house (a large tent) and it's contents in the Target parking lot, uprooted and snapped trees as it crossed U.S. Highway 12. In addition, it took out the south wall, including a large overhead door, of a cinder block warehouse, broke windows in buildings, and lifted a box car off the train tracks. It also tipped over several semi trailers (the tractors were not attached) rolled over and destroyed a motor home, and threw a pickup truck and it's occupant about 70 feet. The occupant was sligtly injured. Between Aberdeen and Bath, the tornado contained multiple vortices as it strengthened to an F3. Most trees in a shelter belt northeast of Aberdeen were snapped or uprooted and a garage was completely destroyed. Several farms were hit 1 to 2 miles north of Bath. Many outbuildings were destroyed. Two layers of shingles were peeled off a garage and several trees were uprooted. Twelve to 15 high tension utility poles were damaged or destroyed and 17 wooden poles were destroyed along the path of the tornado. The outages caused by the tornado affected several hundred customers. The tornado continued to the northeast producing F1 damage between Bath, Putney, and Claremont. It snapped and uprooted many trees. Outbuildings like grain bins and calf barns were destroyed. Debris was deposited 1 mile away in some instances. A John Deere chopper was turned 180 degrees by the twister. The tornado continued on into Marshall County where it weakened and dissipated near Amherst. No damage was reported in Marshall county except for some trees downed.
33.31984-05-12344°53'N / 97°44'W44°50'N / 97°30'W14.00 Miles1320 Yards002.5M0Clark
33.51951-07-08245°22'N / 96°50'W010K0Roberts
33.71959-07-07245°03'N / 98°05'W0025K0Spink
34.71983-07-18344°54'N / 97°10'W0.50 Mile100 Yards002.5M0Codington
36.31968-06-09245°50'N / 97°38'W45°53'N / 97°34'W3.80 Miles283 Yards01250K0Marshall
36.41979-06-19244°54'N / 97°06'W002.5M0Codington
36.51984-05-12344°50'N / 97°30'W44°48'N / 97°15'W13.00 Miles1320 Yards002.5M0Codington
38.11996-05-31345°28'N / 98°29'W45°42'N / 97°58'W27.00 Miles400 Yards01750K0Brown
 Brief Description: An F1 tornado organized over the parking lot of the Target Shopping Center in Aberdeen and tracked northeast towards Bath. It destroyed a green house (a large tent) and it's contents in the Target parking lot, uprooted and snapped trees as it crossed U.S. Highway 12. In addition, it took out the south wall, including a large overhead door, of a cinder block warehouse, broke windows in buildings, and lifted a box car off the train tracks. It also tipped over several semi trailers (the tractors were not attached) rolled over and destroyed a motor home, and threw a pickup truck and it's occupant about 70 feet. The occupant was sligtly injured. Between Aberdeen and Bath, the tornado contained multiple vortices as it strengthened to an F3. Most trees in a shelter belt northeast of Aberdeen were snapped or uprooted and a garage was completely destroyed. Several farms were hit 1 to 2 miles north of Bath. Many outbuildings were destroyed. Two layers of shingles were peeled off a garage and several trees were uprooted. Twelve to 15 high tension utility poles were damaged or destroyed and 17 wooden poles were destroyed along the path of the tornado. The outages caused by the tornado affected several hundred customers. The tornado continued to the northeast producing F1 damage between Bath, Putney, and Claremont. It snapped and uprooted many trees. Outbuildings like grain bins and calf barns were destroyed. Debris was deposited 1 mile away in some instances. A John Deere chopper was turned 180 degrees by the twister. The tornado continued on into Marshall County where it weakened and dissipated near Amherst. No damage was reported in Marshall county except for some trees downed.
38.11964-06-08244°47'N / 97°32'W000K0Clark
38.81978-06-15245°28'N / 98°18'W015250K0Brown
40.91961-06-21344°59'N / 97°59'W44°33'N / 97°32'W37.10 Miles33 Yards17250K0Clark
41.51979-08-03245°24'N / 96°52'W45°18'N / 96°28'W20.50 Miles33 Yards00250K0Roberts
43.31956-10-29245°31'N / 96°40'W000K0Big Stone
43.31981-07-22244°47'N / 97°06'W00250K0Hamlin
44.01964-07-23244°51'N / 98°13'W44°55'N / 98°06'W6.80 Miles33 Yards0025K0Spink
45.01962-07-07244°42'N / 97°33'W44°40'N / 97°32'W0025K0Clark
45.32005-06-29245°57'N / 97°37'W46°02'N / 97°30'W8.00 Miles200 Yards0000Sargent
 Brief Description: Numerous trees were blown down or uprooted along the damage path. A roof was torn off a pole barn in Havana. Peak winds were estimated at 120 mph.
45.42004-09-23245°42'N / 96°44'W45°45'N / 96°48'W2.20 Miles50 Yards0000Roberts
 Brief Description: The storm entered South Dakota from Traverse county, Minnesota where it produced a tornado. The storm produced a second tornado as it crossed Lake Traverse into South Dakota. This tornado was stronger and destroyed a house, a mobile home, and a travel trailer. Another house and travel trailer were damaged and a shed was also ripped apart. The tornado also killed three cattle.
46.31953-05-29244°39'N / 97°37'W44°41'N / 97°34'W1.90 Miles33 Yards0025K0Clark
47.61964-05-05245°48'N / 96°52'W45°52'N / 96°49'W4.50 Miles100 Yards0025K0Roberts
49.81973-07-01346°02'N / 97°47'W00250K0Sargent


* 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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