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Morgan County Natural Disasters and Weather Extremes

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

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

Earthquake Index, #40

Morgan County
0.07
Georgia
0.08
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

Morgan County
0.0000
Georgia
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, #74

Morgan County
142.78
Georgia
179.92
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 14,414 other weather extremes events within 50 miles of Morgan County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:28Dense Fog:6Drought:115
Dust Storm:0Flood:650Hail:4,795Heat:21Heavy Snow:70
High Surf:0Hurricane:5Ice Storm:30Landslide:0Strong Wind:98
Thunderstorm Winds:7,278Tropical Storm:21Wildfire:4Winter Storm:35Winter Weather:69
Other:1,189 

Volcanos Nearby

No volcano is found in or near Morgan 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 Morgan County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
27.71964-03-134.44033.2-83.4

Historical Tornado Events

A total of 50 historical tornado events that had recorded magnitude of 2 or above found in or near Morgan County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
9.81965-07-11233°30'N / 83°35'W33°33'N / 83°42'W7.40 Miles33 Yards0025K0Newton
11.71967-03-06233°27'N / 83°36'W0.80 Mile150 Yards0025K0Jasper
21.21973-03-31233°53'N / 83°35'W33°55'N / 83°28'W7.20 Miles500 Yards00250.0M0Oconee
21.61973-05-28333°52'N / 83°38'W33°56'N / 83°30'W8.90 Miles200 Yards0025.0M0Walton
21.71973-03-31233°45'N / 83°56'W33°53'N / 83°35'W22.10 Miles500 Yards150250.0M0Walton
22.51992-11-22433°11'N / 83°27'W33°25'N / 83°12'W20.00 Miles867 Yards45525.0M0Putnam
23.41969-05-18233°20'N / 83°55'W33°32'N / 83°47'W15.90 Miles50 Yards003K0Butts
24.01992-11-22433°25'N / 83°12'W33°28'N / 83°02'W12.00 Miles867 Yards1312.5M0Greene
25.01973-05-28333°56'N / 83°30'W33°58'N / 83°20'W9.80 Miles100 Yards16525.0M0Clarke
25.41976-05-28233°57'N / 83°23'W1.00 Mile50 Yards0025K0Clarke
25.61973-03-31233°55'N / 83°28'W33°59'N / 83°16'W12.40 Miles500 Yards150250.0M0Clarke
26.71964-12-24333°31'N / 84°03'W33°29'N / 83°50'W12.70 Miles400 Yards00250K0Newton
27.31989-10-01233°42'N / 83°57'W2.00 Miles300 Yards00250K0Rockdale
29.81965-03-23233°28'N / 83°02'W33°30'N / 82°57'W5.20 Miles150 Yards0025K0Greene
30.01966-02-13233°53'N / 83°10'W33°59'N / 83°10'W6.90 Miles400 Yards01250K0Oglethorpe
31.31973-03-31233°59'N / 83°16'W34°01'N / 83°14'W3.30 Miles500 Yards00250.0M0Oglethorpe
33.01976-05-28233°53'N / 83°57'W1.00 Mile50 Yards0025K0Gwinnett
33.51989-10-01233°36'N / 84°05'W33°37'N / 84°04'W1.00 Mile300 Yards000K0Rockdale
34.51964-12-24333°30'N / 84°07'W33°31'N / 84°03'W4.10 Miles400 Yards00250K0Henry
36.21992-11-22233°04'N / 83°44'W33°07'N / 83°37'W8.00 Miles100 Yards012.5M0Jones
36.51970-01-29234°00'N / 83°54'W0.50 Mile33 Yards0025K0Gwinnett
36.91989-10-01233°36'N / 84°11'W33°36'N / 84°05'W3.00 Miles300 Yards00250K0Henry
37.01973-03-31233°32'N / 84°20'W33°45'N / 83°56'W27.40 Miles500 Yards00250.0M0Clayton
37.51952-02-29234°07'N / 83°40'W0.20 Mile17 Yards0525K0Jackson
38.11964-12-25333°02'N / 83°23'W33°08'N / 83°06'W17.80 Miles600 Yards002.5M0Baldwin
40.42010-11-30234°02'N / 83°57'W34°04'N / 83°55'W2.00 Miles100 Yards005.0M0KGwinnett
 Brief Description: EVENT NARRATIVE: A damage survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that an EF2 tornado touched down near Holland Park Drive in east central Gwinnett county, or about five miles northwest of Dacula. The tornado then tracked slightly over two miles to the north-northeast between Mountain View High School and Twin Rivers Middle School before lifting just east of the intersection of Gravel Springs Road and Interstate-85. The tornado was determined to have a path width of 300 yards with maximum wind gusts of 130 mph. Extensive damage was observed to homes mainly in the Kirkstone Subdivision of Buford. A total of 56 homes and one business along the path of the tornado sustained at least minor damage. Of these, 15 to 20 homes sustained major damage or were destroyed and thus were declared uninhabitable. One of these homes collapsed on itself. Damage to homes and property was estimated by the state insurance commissioner to exceed $5 million. EPISODE NARRATIVE: A deep full-latitude upper trough was sweeping from the central into the eastern U.S. The trough brought a quick transition to the eastern U.S. from mild fall temperatures to an extended period of well below normal temperatures. As the trough swept through the southeastern U.S. on November 30th, it took on a significant negative tilt. Although only marginal instability was noted because of extensive pre-frontal cloud cover and light to moderate rain showers, a strong 50-60kt low-level jet accompanied the trough as it rotated through Georgia during the afternoon of November 30th. This was sufficient combined with minimal instability (CAPE) in place at the time to support the development of a fairly well marked, yet very narrow, quasi-linear convective system (QLCS) which spawned two tornadoes, one an EF2 causing extensive damage to homes in Gwinnett county, and another weaker tornado in Henry county. In addition, the squall line or QLCS also produced numerous damaging wind events across north and central Georgia.
40.71992-11-22233°02'N / 83°48'W33°04'N / 83°44'W2.00 Miles100 Yards00250K0Monroe
41.22009-04-10333°17'N / 82°56'W33°18'N / 82°49'W7.00 Miles880 Yards01500K250KHancock
 Brief Description: EVENT NARRATIVE: A damage survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that yet a third tornado touched down in Hancock county within a 15 minute period of time. However, this tornado was determined to be an EF3 tornado. This tornado touched down about halfway between Sparta and Culverton in east central Hancock county. The tornado was determined to have a maximum path width of 1/2 mile with maximum winds of 160 mph. Much of the damage occurred along Dunn and Hickory Grove Roads. Along the path of the tornado, one 4000 square foot site-built home was completely destroyed. The debris from the home was scattered across an area up to 400 feet downstream. A resident of this home suffered serious injuries. Another nearby double-wide mobile home was also completely destroyed. Two other nearby homes on Dunn suffered minor damage and two additional homes on Youngblood Road toward Jewell suffered extensive roof damage. A swath of 116 mature pecan trees at a pecan orchard on Hickory Grove road were flattened. These were owned by a resident adjacent to one of the damaged homes on Hickory Grove Road. One of the homeowners also lost a Shetland pony during the tornado. EPISODE NARRATIVE: A vigorous upper closed low was moving from the mid-south and Mississippi valley region into the mid-Atlantic and southeast U.S. A strong cold front accompanied the upper system. A strong low-level jet in advance of these weather systems transported warm, moist Gulf air northward into the region. With strong dynamics, hence shear, combined with an unusually moist, unstable atmosphere, the atmosphere was primed for a major weather outbreak. One round of thunderstorms passed through north Georgia during the early morning hours. A few minor severe weather events accompanied this system in northwest Georgia. Partial clearing followed the morning convection, allowing temperatures to soar into the mid 70s across much of north and central Georgia in advance of the main weather system. Scattered to numerous discrete supercell thunderstorms developed during mid-afternoon in northwest Georgia and progressed east and southeast across the remaining portions of the county warning area during the evening hours. Severe thunderstorms and tornadoes lingered into the early morning hours of the 11th across the southern counties of central Georgia. During the eight hour period from 5 pm EDT on April 10th to 1 am EDT on April 11th, a total of 14 tornadoes were confirmed to have touched down in north and central Georgia causing millions in damages. While some injuries were observed, no deaths were observed.
41.31964-12-24333°25'N / 84°16'W33°30'N / 84°07'W10.40 Miles400 Yards01250K0Henry
42.11966-05-01234°12'N / 83°34'W1.00 Mile50 Yards0025K0Jackson
42.11954-03-31234°07'N / 83°14'W34°09'N / 83°04'W9.80 Miles200 Yards05250K0Madison
42.91969-07-19233°24'N / 84°12'W1.00 Mile37 Yards0025K0Henry
43.12008-05-11233°37'N / 84°16'W33°36'N / 84°13'W3.00 Miles100 Yards007.5M0KClayton
 Brief Description: EVENT NARRATIVE: A survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that an EF2 tornado with maximum winds of 130 mph touched down in far northeast Clayton county, approximately four miles northeast of Morrow, and tracked on the ground for nearly 19 miles from northeast Clayton into northern Henry, southern Rockdale, and into western Newton county before finally lifting. Within Clayton county the tornado path was about 2.75 miles long with a maximum path width of 100 yards. Shortly after touchdown, the tornado caused extensive and significant damage within a 2.5 square mile area of the Ellenwood community. There were 185 private dwellings damaged, 53 of which were destroyed or left uninhabitable. At least 500 residents were displaced from their homes. Numerous trees and power lines were also down in the area. By far, the worst damage caused by this tornado occurred within Clayton county as the tornado weakened as it tracked further east into Henry, Rockdale, and Newton county. Despite the extensive damage, no injuries were reported. EPISODE NARRATIVE: A stationary front was draped across north Georgia early on May 10th with an active northwest flow aloft. Meanwhile...a vigorous short wave aloft was approaching the area from the southern plains. The stationary front provided the focus for two rounds of showers and thunderstorms, one early in the morning on the 10th and another in the afternoon. The activity tracked east-southeast with the upper flow aloft, mainly across north Georgia during the early morning and across central Georgia during the afternoon. An isolated strong supercell also tracked across the southern part of central Georgia during the evening. After a lull of convective activity for about four hours, intense multicell thunderstorms tracked into the area from Alabama after midnight and before dawn on the 11th. As these thunderstorms tracked across west central and central Georgia, 15 tornadoes were identified by subsequent surveys making this the most significant tornado outbreak to affect the area since the Katrina-associated tornadoes on August 29, 2005. Millions of dollars of property damage were reported as many homes were destroyed from these tornadoes from the western and southern suburbs of Atlanta southeastward across Macon, Dublin, and other counties in east central and southeast Georgia. Many of these counties were eligible for disaster assistance from the federal government. In addition to the tornadoes and thunderstorm winds that caused extensive damage in dozens of counties across north and central Georgia during the early morning hours of May 11th, strong gradient winds developed on the back side of the strong cold front that moved through the area as low pressure intensified across the mid-Atlantic region. The strong winds combined with wet ground resulted in dozens of trees being blown down in some north Georgia counties. There were also two deaths as a result of downed trees in Barrow and Gwinnett county, all non-thunderstorm-related winds.
43.31964-12-26332°54'N / 83°40'W33°02'N / 83°23'W18.90 Miles600 Yards2162.5M0Jones
44.11998-04-08233°56'N / 84°14'W34°01'N / 83°59'W15.00 Miles800 Yards01050.0M0Gwinnett
 Brief Description: Significant widespread damage continued into Gwinnett county in a path from Norcross through Duluth and Suwanee to north of Lawrenceville. Large trees were knocked down or snapped. Many of them fell on homes and apartments causing damage. Roofs were torn off of houses. At least 5000 homes were affected. Ten people at an apartment complex were treated for minor injuries.
44.82009-02-18333°40'N / 82°52'W33°38'N / 82°34'W17.00 Miles880 Yards00300K0KWilkes
 Brief Description: EVENT NARRATIVE: A damage survey conducted by the National Weather Service Forecast office in Columbia, South Carolina, confirmed that an EF3 tornado had tracked across far southern Wilkes county causing considerable damage along its path. The tornado continued its east-southeastward track into extreme northeastern McDuffie county. The total tornado path length was 18.6 miles. The tornado initially touched down in the Tyrone community in southwest Washington county. Here a cinder block home was completely destroyed with the cinder block debris blown downstream nearly 1/2 mile. Fifteen other homes along the path of the tornado sustained moderate to major damage from the tornado. Nineteen outbuildings and a commercial chicken house was destroyed. In addition, a steeple was blown off a church and a 2-ton truck was moved 60 feet. The maximum path width was approximately 1/2 mile with maximum winds estimated to be 160 mph. EPISODE NARRATIVE: A strong cold front accompanied and deep negatively tilted upper trough through the eastern U.S. from the 18th into the 19th. An unseasonably warm and unstable air mass developed in advance of the cold front during the late afternoon and early evening across north and central Georgia as warm, moist air rode northward into Georgia on a strong low-level jet. Afternoon temperatures in the 70s and dewpoints in the 60s, combined with strong shear and moderate instability, resulted in the development of numerous supercell thunderstorms from mid-afternoon until a few hours after midnight on the 19th. Ten tornadoes, ranging in scale from EF0 to EF3 tracked across several north and central Georgia counties. The worst tornadoes affected the east central Georgia counties of Jasper, Putnam, Hancock, and Jasper. A death was observed in Hancock county with an EF3 tornado and several injuries were reported from Putnam and Hancock counties. In addition to the tornadoes, very large hail occurred with several of the thunderstorms, including four-inch diameter hail in Coweta and Fayette counties just south of Atlanta. Numerous reports of golf ball and larger-sized hail were received. The event resulted in millions of dollars of damage and the destruction of several homes in north and central Georgia counties.
45.51976-05-14234°15'N / 83°34'W34°15'N / 83°33'W1.90 Miles160 Yards000K0Jackson
45.62009-02-18333°15'N / 82°53'W33°15'N / 82°45'W8.00 Miles500 Yards13500K0KHancock
 Brief Description: EVENT NARRATIVE: A storm survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that an EF3 tornado touched down approximately five miles east-southeast of Sparta, or about three miles east of the intersection of Georgia Highway 15 and 16. The tornado then moved along a nearly eight-mile long path across far southeast Hancock county and continued into extreme southern Warren county and then into extreme northwest Glascock county. The total tornado path length was nearly 11 miles long. The maximum path width was estimated to be 500 yards with maximum winds of 140 mph. A church, two site-built homes, and four mobile homes were completely destroyed in the Hickory Grove Community. One fatality and three injuries occurred where the mobile homes were destroyed. Hundreds of trees were either uprooted or snapped along the path of the tornado. EPISODE NARRATIVE: A strong cold front accompanied and deep negatively tilted upper trough through the eastern U.S. from the 18th into the 19th. An unseasonably warm and unstable air mass developed in advance of the cold front during the late afternoon and early evening across north and central Georgia as warm, moist air rode northward into Georgia on a strong low-level jet. Afternoon temperatures in the 70s and dewpoints in the 60s, combined with strong shear and moderate instability, resulted in the development of numerous supercell thunderstorms from mid-afternoon until a few hours after midnight on the 19th. Ten tornadoes, ranging in scale from EF0 to EF3 tracked across several north and central Georgia counties. The worst tornadoes affected the east central Georgia counties of Jasper, Putnam, Hancock, and Jasper. A death was observed in Hancock county with an EF3 tornado and several injuries were reported from Putnam and Hancock counties. In addition to the tornadoes, very large hail occurred with several of the thunderstorms, including four-inch diameter hail in Coweta and Fayette counties just south of Atlanta. Numerous reports of golf ball and larger-sized hail were received. The event resulted in millions of dollars of damage and the destruction of several homes in north and central Georgia counties.
47.21978-05-08233°39'N / 84°19'W33°41'N / 84°18'W2.70 Miles33 Yards002.5M0De Kalb
47.51967-08-19233°27'N / 84°18'W0.50 Mile33 Yards0025K0Clayton
47.71984-11-10234°01'N / 84°09'W1.50 Miles127 Yards082.5M0Gwinnett
47.81989-04-04234°10'N / 84°00'W34°09'N / 83°57'W3.30 Miles50 Yards00250K0Hall
48.11954-03-31234°09'N / 83°04'W34°10'N / 82°56'W7.70 Miles200 Yards020250K0Elbert
48.21976-05-14234°15'N / 83°33'W34°20'N / 83°30'W6.50 Miles160 Yards02250K0Banks
48.31972-01-10333°41'N / 84°21'W33°42'N / 84°18'W3.30 Miles200 Yards00250K0De Kalb
48.71964-12-24333°21'N / 84°20'W33°25'N / 84°16'W6.20 Miles400 Yards00250K0Henry
48.92005-07-06233°23'N / 84°19'W33°25'N / 84°18'W9.00 Miles880 Yards0070.0M0Henry
 Brief Description: A National Weather Service damage survey confirmed an F2 tornado, the strongest tornado of the evening associated with the remnants of Tropical Storm Cindy, touched down just a few hundred yards south of McDonough Street at the Atlanta Motor Speedway then traveled north-northwest passing just east of Lovejoy in Clayton county, then across the Edgar Blalock Raw Water Reservation, at which point it turned northwest and finally passed into Clayton county before lifting near Jodeco Road. The tornado center line crossed the western bank of the race track then across Tara Field just west of the race track. Damages to the Atlanta Motor Speedway, including several condominiums at the facility, and the Tara Field Airport just west of the Atlanta Motor Speedway were estimated at $40,000,000. Eleven planes and five vintage helicopters were heavily damaged at Tara Field. Nearby a Chevron auto service station was destroyed. Damage between these facilities and the Clayton county line was confined mainly to trees and power lines. The tornado had a path length of nine miles tracking across western Henry and a small portion of eastern Clayton county. The tornado initially had a path width of 1/2 mile, then narrowed as it moved north-northwest. It was determined that the tornado had winds of 120 mph. Electrical power was out in much of the county throughout the night as a result of the damage in the area. All together during the evening, 229 homes in the county had minor damage from thunderstorm winds and/or tornadoes, with 61 homes suffering major damage. In addition, the steeple at Kelly Chapel fell to the ground.
48.92003-05-06234°13'N / 83°06'W34°12'N / 83°02'W4.00 Miles200 Yards012200K0Elbert
 Brief Description: This tornado moved from Madison County into northwest Elbert County and intensified, destroying or severely damaging several houses and mobile homes. A parked car was also flipped before the tornado lifted.
49.11992-11-22233°21'N / 84°19'W33°23'N / 84°17'W3.00 Miles100 Yards00250K0Henry
49.41978-05-08233°37'N / 84°23'W33°39'N / 84°19'W4.50 Miles200 Yards002.5M0Clayton


* 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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