Allendale County Natural Disasters and Weather Extremes
Hot South Carolina Rankings
The chance of earthquake damage in Allendale County is lower than South Carolina average and is much lower than the national average. The risk of tornado damage in Allendale County is about the same as South Carolina average and is about the same as the national average.
Earthquake Index, #31
| Allendale County | 0.11 |
| South Carolina | 0.49 |
| 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
| Allendale County | 0.0000 |
| South Carolina | 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, #31
| Allendale County | 132.63 |
| South Carolina | 136.91 |
| 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 10,867 other weather extremes events within 50 miles of Allendale County were recorded from 1950 to 2010. The following is a break down of these events:
| Type | Count | Type | Count | Type | Count | Type | Count | Type | Count |
| Avalanche: | 0 | Blizzard: | 0 | Cold: | 23 | Dense Fog: | 5 | Drought: | 102 |
| Dust Storm: | 0 | Flood: | 573 | Hail: | 3,117 | Heat: | 30 | Heavy Snow: | 30 |
| High Surf: | 6 | Hurricane: | 8 | Ice Storm: | 26 | Landslide: | 0 | Strong Wind: | 77 |
| Thunderstorm Winds: | 6,377 | Tropical Storm: | 34 | Wildfire: | 1 | Winter Storm: | 33 | Winter Weather: | 27 |
| Other: | 398 | ||||||||
Volcanos Nearby
No volcano is found in or near Allendale County.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Allendale County.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 48.1 | 1967-10-23 | 3.8 | N/A | 33.4 | -80.7 |
Historical Tornado Events
A total of 39 historical tornado events that had recorded magnitude of 2 or above found in or near Allendale County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 8.5 | 2000-09-22 | 2 | 33°05'N / 81°29'W | 33°05'N / 81°24'W | 4.50 Miles | 750 Yards | 1 | 5 | 290K | 0 | Allendale |
| Brief Description: Fatality occurred in a camper that was one of 10 other campers at a hunt club. The camper was the second one in the line and it appeared to have disintegrated. One of the other campers was turned on its side while the others remained upright, for the most part. Also, there were three mobile homes destroyed, major damage to two mobile homes, minor damage to six mobile homes and major damage to a frame home along with numerous trees down or snapped 10 to 15 feet above the ground. This tornado continued into Barnwell County in WFO Columbia's CWA. M68VE The two tornadoes that occurred in Allendale County were associated with the remnants of T.S. Helene as it moved across Georgia and South Carolina. Heavy rain developed across Berkeley County during the early morning hours of 9/22/00 and caused flooding over the northern half of the county, especially in and around Moncks Corner. The 42 year-old female was killed when she hit a puddle of water and hydroplaned. She hit a pine tree head on and was killed on impact. | |||||||||||
| 8.9 | 2009-04-10 | 2 | 33°06'N / 81°25'W | 6.00 Miles | 500 Yards | 0 | 0 | 1.0M | 0K | Allendale | |
| Brief Description: EVENT NARRATIVE: A National Weather Service Survey Team determined a tornado touched down along Roberts Road 3.5 miles northeast of Martin, South Carolina at 1230 AM local time Saturday morning and traveled 5.6 miles before lifting. Initially the tornado uprooted or snapped numerous trees with one tree falling on a mobile home and damaging the roof of the structure. The under-skirting of the mobile home was peeled back by the winds and a couple windows were blown out. Additionally, several cars sustained damage by falling trees outside of the mobile home. Another couple homes along Roberts Road received minor rood damage and a couple carports were slightly damaged as well. The tornado continued to nearly parallel Miller Creek Road downing numerous trees and power lines. The maximum width of the tornado was approximately 500 yards near the intersection of Camp Jackson Road and Miller Creek Road. The tornado lifted 2.3 miles south southeast of Kline, South Carolina just past the intersection of Appleton Road and Barnwell Highway /US Highway 278/ at 1239 AM local time, but not before damaging the roof and cinder-block walls of a home, downing numerous trees and completely destroying the historic Cave Methodist Church. The church was wiped completely off its foundation. Several grave stones surrounding the church were overturned or knocked down. An 18 wheel truck was overturned a couple hundred feet from the Cave Methodist Church with a tree falling on it and causing further damage. In total, 4 homes, 1 mobile home, 1 church and 5 vehicles received damage as a result of the tornado. In addition, hundreds of acres of timber was damaged or destroyed. The tornado did not result in any injuries or fatalities. The National Weather Service Damage Survey Team determined the strength of the tornado to be an EF2 on the Enhanced Fujita Scale with winds estimated between 120 and 130 miles per hour. EPISODE NARRATIVE: An area of low pressure and associated cold front pushed through the southeast where kinematic profiles and anomalously cold air aloft existed. This lead to the development of strong storms over Allendale county overnight on April 10, 2009. | |||||||||||
| 13.4 | 1999-04-15 | 2 | 33°07'N / 81°13'W | 33°07'N / 81°11'W | 3.00 Miles | 150 Yards | 0 | 0 | 2K | 20K | Allendale |
| Brief Description: An F2 tornado destroyed 20 acres of watermelons and rolled over a large tractor several times. Numerous trees and powerlines were down along the track. | |||||||||||
| 15.3 | 1983-04-23 | 3 | 33°10'N / 81°27'W | 33°14'N / 81°13'W | 13.00 Miles | 200 Yards | 0 | 2 | 2.5M | 0 | Barnwell |
| 18.9 | 1989-10-01 | 2 | 33°09'N / 81°42'W | 33°15'N / 81°25'W | 16.50 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Barnwell |
| 20.3 | 1998-09-03 | 2 | 32°45'N / 81°39'W | 32°49'N / 81°36'W | 8.00 Miles | 350 Yards | 0 | 7 | 435K | 0 | Screven |
| Brief Description: Numerous trees snapped off or uprooted. The most extensive damage was approximately 3 miles north of Sylvania. In this area, there were 5 mobile homes destroyed, 1 business destroyed, 15 mobile homes with major damage and 5 mobile homes with minor damage. | |||||||||||
| 21.7 | 2003-07-01 | 2 | 32°41'N / 81°36'W | 32°45'N / 81°32'W | 6.00 Miles | 500 Yards | 0 | 0 | 0 | 0 | Screven |
| Brief Description: A tornado knocked down numerous trees and power lines and overturned a car. Much of WFO Charleston's CWA was impacted by the remnants of Tropical Storm Bill as it tracked to the northeast across the extreme northern section of Georgia. The mini outbreak of tornadoes started around 8 p.m. on the night of July 1st and did not stop until after 115 a.m. on the morning of July 2nd. Fortunately, there were no deaths with the tornadoes. Screven County was hardest hit with three separate tornadoes and three areas of wind damage. | |||||||||||
| 22.1 | 1968-08-06 | 2 | 32°54'N / 81°44'W | 0.30 Mile | 10 Yards | 0 | 0 | 3K | 0 | Screven | |
| 22.3 | 1967-07-07 | 2 | 32°45'N / 81°38'W | 0.50 Mile | 33 Yards | 0 | 0 | 25K | 0 | Screven | |
| 24.7 | 1991-03-29 | 2 | 33°13'N / 81°41'W | 0.20 Mile | 10 Yards | 0 | 0 | 0K | 0 | Aiken | |
| 26.3 | 1983-04-23 | 3 | 33°14'N / 81°13'W | 33°19'N / 80°56'W | 16.00 Miles | 200 Yards | 0 | 4 | 2.5M | 0 | Bamberg |
| 26.8 | 1975-02-18 | 2 | 33°22'N / 81°25'W | 33°22'N / 81°22'W | 3.30 Miles | 67 Yards | 0 | 5 | 250K | 0 | Barnwell |
| 29.0 | 1991-03-03 | 2 | 33°19'N / 81°38'W | 33°21'N / 81°38'W | 5.00 Miles | 200 Yards | 0 | 0 | 0K | 0 | Aiken |
| 29.1 | 1963-09-28 | 2 | 32°55'N / 82°04'W | 33°03'N / 81°40'W | 24.90 Miles | 100 Yards | 0 | 5 | 250K | 0 | Burke |
| 30.0 | 1991-03-03 | 2 | 33°19'N / 81°37'W | 33°25'N / 81°35'W | 6.00 Miles | 300 Yards | 0 | 0 | 0K | 0 | Aiken |
| 32.5 | 1989-05-01 | 2 | 33°24'N / 81°26'W | 33°30'N / 81°22'W | 4.00 Miles | 50 Yards | 0 | 12 | 2.5M | 0 | Barnwell |
| 33.0 | 1991-03-01 | 2 | 33°22'N / 81°42'W | 1.50 Miles | 150 Yards | 0 | 0 | 0K | 0 | Aiken | |
| 33.4 | 1975-05-03 | 2 | 32°29'N / 81°16'W | 32°32'N / 81°12'W | 5.40 Miles | 50 Yards | 0 | 2 | 250K | 0 | Effingham |
| 33.6 | 1975-09-17 | 2 | 33°17'N / 81°49'W | 1.00 Mile | 37 Yards | 0 | 0 | 250K | 0 | Aiken | |
| 33.6 | 2003-07-01 | 2 | 32°34'N / 81°42'W | 32°36'N / 81°42'W | 2.50 Miles | 100 Yards | 0 | 0 | 0 | 0 | Screven |
| Brief Description: A tornado moved out of Bulloch county into the extreme southern part of the county. Numerous trees were knocked down. Much of WFO Charleston's CWA was impacted by the remnants of Tropical Storm Bill as it tracked to the northeast across the extreme northern section of Georgia. The mini outbreak of tornadoes started around 8 p.m. on the night of July 1st and did not stop until after 115 a.m. on the morning of July 2nd. Fortunately, there were no deaths with the tornadoes. Screven County was hardest hit with three separate tornadoes and three areas of wind damage. | |||||||||||
| 35.3 | 2009-04-10 | 3 | 33°24'N / 81°51'W | 33°23'N / 81°36'W | 15.00 Miles | 880 Yards | 0 | 14 | 5.0M | 0K | Aiken |
| Brief Description: EVENT NARRATIVE: The supercell coming out of Richmond county GA spawned another tornado in Aiken county that did widespread damage. Many homes and business were severely damaged. Numerous trees and powerlines were down and there were around a dozen minor injuries. The tornado tracked along hwy 278. There was also one indirect death of a man who crashed trying to avoid trees on the highway and was killed. EPISODE NARRATIVE: Supercell thunderstorms moved across the lower midlands and produced large tornadoes. Other storms in the central midlands produced large hail and microburst wind damage. The largest tornado tracked across Aiken county along highway 278. There was one indirect fatality and around a dozen people were sent to the hospital. Several homes were destroyed and many had moderate to severe damage. Widespread trees and powerlines were also down in Aiken county. Total damage estimate was 6 million dollars. | |||||||||||
| 35.7 | 2009-04-10 | 3 | 33°07'N / 82°11'W | 33°07'N / 81°44'W | 26.00 Miles | 880 Yards | 0 | 4 | 3.0M | 0K | Burke |
| Brief Description: EVENT NARRATIVE: An supercell tornado tracked across Burke county and severely damaged several homes and buildings. Numerous trees and powerlines were damaged. There was one critical injury and several other minor injuries. EPISODE NARRATIVE: Supercell thunderstorms moved across the CSRA and produced large tornadoes. One tornado tracked across Columbia and Richmond counties then went into Aiken county South Carolina along highway 278. The second tornado tracked across Burke county then into lower Barnwell and Allendale counties in South Carolina. Several homes were destroyed and many had moderate to severe damage. Widespread trees and powerlines were also down. Total damage estimate was 3 million dollars. | |||||||||||
| 35.9 | 1983-04-23 | 3 | 33°19'N / 80°56'W | 33°20'N / 80°52'W | 4.00 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Orangeburg |
| 36.2 | 1963-09-28 | 2 | 33°30'N / 81°17'W | 0.50 Mile | 100 Yards | 0 | 1 | 25K | 0 | Orangeburg | |
| 36.9 | 2008-03-15 | 2 | 33°29'N / 81°54'W | 33°24'N / 81°28'W | 25.00 Miles | 1760 Yards | 0 | 0 | 0K | 0K | Aiken |
| Brief Description: EVENT NARRATIVE: Extensive damage in the Clearwater area. Numerous trees and powerlines down along the entire track, especially in the Clearwater area. Many homes had severe damage to roofs and stuctures. Some roofs were gone. The water tower had its top taken off and deposited several hundred yards away. Damage path was a mile wide a some points. It was amazing there were no injuries or deaths. EPISODE NARRATIVE: Seven supercells tracked across our South Carolina County Warning Area and produced many long-lived tornadoes that did significant damage. Over 85 homes were destroyed, around 400 had moderate damage, and estimates for the total devastation were around 40 million dollars. | |||||||||||
| 37.1 | 1976-03-16 | 2 | 32°48'N / 81°58'W | 0.30 Mile | 100 Yards | 0 | 0 | 250K | 0 | Jenkins | |
| 37.8 | 2003-07-01 | 2 | 32°31'N / 81°46'W | 32°33'N / 81°43'W | 4.50 Miles | 100 Yards | 0 | 0 | 0 | 0 | Bulloch |
| Brief Description: A tornado knocked down trees and damaged mobile homes Much of WFO Charleston's CWA was impacted by the remnants of Tropical Storm Bill as it tracked to the northeast across the extreme northern section of Georgia. The mini outbreak of tornadoes started around 8 p.m. on the night of July 1st and did not stop until after 115 a.m. on the morning of July 2nd. Fortunately, there were no deaths with the tornadoes. Screven County was hardest hit with three separate tornadoes and three areas of wind damage. | |||||||||||
| 38.7 | 2008-03-15 | 3 | 33°14'N / 80°51'W | 33°14'N / 80°41'W | 10.00 Miles | 1320 Yards | 0 | 0 | 0K | 0K | Orangeburg |
| Brief Description: EVENT NARRATIVE: Extensive damage in Branchville. One home was destroyed and 16 had other moderate to major damage. One mobile home was destroyed and a half dozen had moderate to major damage. Seven buildings in downtown were destroyed, including a couple of 3 layer deep brick buildings. Thirteen others had major damage and 5 had minor damage. Amazingly there were no injuries or deaths. EPISODE NARRATIVE: Seven supercells tracked across our South Carolina County Warning Area and produced many long-lived tornadoes that did significant damage. Over 85 homes were destroyed, around 400 had moderate damage, and estimates for the total devastation were around 40 million dollars. | |||||||||||
| 39.9 | 1976-05-15 | 2 | 33°28'N / 81°02'W | 33°31'N / 81°03'W | 3.80 Miles | 40 Yards | 0 | 3 | 250K | 0 | Orangeburg |
| 40.3 | 1972-01-13 | 3 | 32°55'N / 82°15'W | 33°05'N / 81°52'W | 25.00 Miles | 400 Yards | 0 | 19 | 2.5M | 0 | Burke |
| 41.7 | 1998-03-08 | 2 | 33°32'N / 81°05'W | 33°32'N / 81°04'W | 1.30 Miles | 75 Yards | 0 | 0 | 80K | 0 | Orangeburg |
| Brief Description: An F2 tornado tracked along highway 4 near Pine Hill. It picked up 2 mobile homes, took them 35 ft into the air, and brought them down on top of a 35 ft by 75 ft cinder block building 30 yards away completely destroying the mobile homes and the building. Other damage was done to a couple other mobile and permanent homes, and also to a church roof. A second 12 ft by 24 ft cinder block building was also demolished. | |||||||||||
| 42.2 | 2000-12-17 | 2 | 33°19'N / 81°58'W | 33°20'N / 81°58'W | 2.00 Miles | 60 Yards | 0 | 8 | 0 | 0 | Richmond |
| Brief Description: An F2 tornado intermittently touched down along a 2 mile path. Extensive damage was done to the Timberidge subdivision and to other homes and mobile homes along its path. Eight people were injurred, one seriously. There were no deaths. | |||||||||||
| 42.3 | 2008-03-15 | 2 | 32°23'N / 81°18'W | 32°22'N / 81°12'W | 7.00 Miles | 440 Yards | 0 | 5 | 1.5M | 0K | Effingham |
| Brief Description: EVENT NARRATIVE: An EF2 Tornado was confirmed by a Storm Survey conducted by the Charleston, South Carolina National Weather Service Forecast Office. The Tornado touched down in Effingham county 1 mile northeast of Springfield, Georgia at 934 PM EDT and traveled southeast approximately 7 miles before lifting at 943 PM EDT about 6 miles east-southeast of Springfield, Georgia. This Tornado destroyed three mobile homes, damaged three to four dozen homes, knocked down 15 high voltage transmission towers, destroyed or damaged 20 vehicles, destroyed numerous outbuildings, sheds, and barns. Five people were injured when the mobile home they were in was blown over and rolled a time or two. Another person was injured when they drove a car into a tree that had fallen across the road. This tornado was a quarter mile wide at its widest point when it crossed Ebenezer Road and had maximum sustained winds estimated between 110 and 120 mph. EPISODE NARRATIVE: A large and intense area of low pressure lifted northward through the central Appalachians, dragging a strong cold front toward southern South Carolina and southeast Georgia. The combination of the approaching cold front along with strong dynamic forcing and plenty of instability resulted in a widespread organized severe weather outbreak across the region. | |||||||||||
| 42.4 | 1972-10-27 | 2 | 32°22'N / 81°19'W | 1.00 Mile | 400 Yards | 0 | 0 | 250K | 0 | Effingham | |
| 42.6 | 1978-07-25 | 2 | 33°34'N / 81°08'W | 0.10 Mile | 10 Yards | 0 | 0 | 25K | 0 | Orangeburg | |
| 43.7 | 1984-05-03 | 2 | 32°22'N / 81°53'W | 32°31'N / 81°38'W | 20.00 Miles | 200 Yards | 0 | 30 | 2.5M | 0 | Bulloch |
| 44.3 | 1976-03-16 | 2 | 32°42'N / 82°03'W | 0.80 Mile | 400 Yards | 0 | 0 | 250K | 0 | Jenkins | |
| 46.1 | 2008-03-15 | 2 | 33°12'N / 82°14'W | 33°12'N / 82°00'W | 14.00 Miles | 880 Yards | 0 | 0 | 0K | 0K | Burke |
| Brief Description: EVENT NARRATIVE: A supercell spawned a tornado over Wrens in Jefferson county which moved across northern Burke county. It destroyed a church, a mobile home, and a large portion of a dairy farming business and damaged other homes and mobile homes. Numerous trees and powerlines were down. EPISODE NARRATIVE: Three supercells tracked across portions of the GA CSRA and produce multiple long-lived tornadoes that produced significant damage. | |||||||||||
| 46.8 | 2008-03-15 | 2 | 32°19'N / 81°12'W | 1.00 Mile | 100 Yards | 0 | 0 | 3.0M | 0K | Effingham | |
| Brief Description: EVENT NARRATIVE: An EF2 Tornado was confirmed by a Storm Survey conducted by the Charleston, South Carolina National Weather Service Forecast Office. The Tornado touched down in Effingham county 3.5 miles northeast of Rincon, Georgia and just northwest of the Georgia Power McIntosh Plant around 944 PM EDT and traveled southeast approximately a half a mile before lifting at 945 PM EDT. This Tornado destroyed a water cooling tower, damaged another water cooling tower and several buildings, toppled two high voltage transmission towers, knocked down or uprooted several dozen trees, tossed tractor trailer cargo containers with equipment inside up to 100 yards. In addition, at the time of the survey one of the tractor trailer containers could not be found. A steel hoist roof assembly weighing a couple thousand pounds used to load and unload heavy items was tossed 100 feet. This tornado was up to 100 yards wide and had maximum sustained winds estimated between 120 and 130 mph. EPISODE NARRATIVE: A large and intense area of low pressure lifted northward through the central Appalachians, dragging a strong cold front toward southern South Carolina and southeast Georgia. The combination of the approaching cold front along with strong dynamic forcing and plenty of instability resulted in a widespread organized severe weather outbreak across the region. | |||||||||||
* 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.