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Groveland, IL Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Groveland is lower than Illinois average and is much lower than the national average. The risk of tornado damage in Groveland is higher than Illinois average and is much higher than the national average.

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

Earthquake Index, #1288

Groveland, IL
0.02
Illinois
0.24
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

Groveland, IL
0.0000
Illinois
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, #194

Groveland, IL
268.30
Illinois
220.15
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 3,181 other weather extremes events within 50 miles of Groveland, IL were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:6Cold:47Dense Fog:38Drought:26
Dust Storm:0Flood:209Hail:910Heat:62Heavy Snow:44
High Surf:0Hurricane:0Ice Storm:32Landslide:0Strong Wind:48
Thunderstorm Winds:1,527Tropical Storm:0Wildfire:0Winter Storm:101Winter Weather:97
Other:34 

Volcanos Nearby

No volcano is found in or near Groveland, IL.

Historical Earthquake Events

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

No historical earthquake events found in or near Groveland, IL.

Historical Tornado Events

A total of 89 historical tornado events that had recorded magnitude of 2 or above found in or near Groveland, IL.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
2.42003-05-10340°28'N / 89°41'W40°39'N / 89°27'W17.50 Miles440 Yards03210.0M0Tazewell
 Brief Description: This long track tornado first touched down 3 miles southwest of South Pekin and traveled to the northeast. It destroyed several homes before reaching the eastern sections of South Pekin where it intensified to F3 strength. The tornado destroyed 50 homes, caused minor to major damage on an additional 80 homes before exiting the town. As the tornado approached Morton, it weakened briefly but quickly intensified again as it crossed the intersection of I-74 and I-155. When it crossed the highways, 8 vehicles were damaged and one injury was sustained when a car was overturned by the tornado as it crossed I-74. It destroyed several three story apartment buildings and severely damaged several others in the complex. A couple of businesses in the area were destroyed as well. It then moved through several subdivisions, damaging over 100 homes, some severely. The tornado eventually weakened and lifted 2.5 miles north of Morton. In all, 32 people were injured by the tornado, three seriously, but they have since recovered.
4.91955-05-26240°33'N / 89°37'W1.50 Miles100 Yards01250K0Tazewell
5.01960-05-25240°39'N / 89°33'W0025K0Tazewell
6.41960-05-16240°36'N / 89°39'W0025K0Tazewell
8.61956-08-13340°42'N / 89°30'W40°41'N / 89°25'W3.80 Miles27 Yards0025K0Tazewell
11.01969-10-10240°38'N / 89°20'W1.00 Mile200 Yards00250K0Tazewell
11.91967-01-24240°40'N / 89°23'W40°42'N / 89°19'W3.30 Miles77 Yards003K0Tazewell
12.11995-05-13340°25'N / 89°56'W40°31'N / 89°29'W25.00 Miles880 Yards0254.0M0Tazewell
 Brief Description: A tornado touched down along the Illinois River (3 NE of Goofy Ridge) and traveled to the northeast for 25 miles before lifting and dissipating in Tremont (Tazwell County). The tornado damaged or destroyed over 36 homes and mobile homes in Mason County and injured 23 people. Numerous trees were blown down, especially in the Sand Ridge State Forest, as well as, numerous power poles. In Tazwell County, 25 homes were either damaged or destroyed (seven homes were destroyed in a subdivision 1 S of South Pekin were two people suffered minor injuries). Numerous silos and machine sheds were destroyed. Damage was estimated around $4 million.
12.71986-09-29240°25'N / 89°25'W2.00 Miles50 Yards002.5M0Tazewell
12.81965-09-14340°45'N / 89°43'W40°44'N / 89°35'W6.60 Miles200 Yards0302.5M0Peoria
13.21990-11-27240°28'N / 89°44'W1.00 Mile200 Yards022.5M0Tazewell
13.92010-06-05240°45'N / 89°24'W40°45'N / 89°23'W1.00 Mile250 Yards00560K30KTazewell
 Brief Description: EVENT NARRATIVE: A tornado touched down 2.9 miles north of Washington in northern Tazewell County, then continued eastward to the Tazewell-Woodford County line. Numerous trees and power poles were snapped along the path of the tornado. Three large outbuildings and two hog sheds were destroyed. In addition, the roof of a farm house was lifted off, the roof of another house was severely damaged, a garage was destroyed, and a grain bin was blown one quarter of a mile into a field. The tornado then continued eastward into Woodford County. EPISODE NARRATIVE: A stationary frontal boundary extending from southern Michigan across north-central Illinois served as the focus for severe thunderstorm development during the late afternoon and evening of June 5th. A vigorous upper-level disturbance tracking across the Upper Midwest added extra wind energy to the atmosphere, allowing supercell thunderstorms to develop along the front. Eight tornadoes were spawned by the storms, mainly along a Galesburg to Eureka line. An isolated tornado formed further south across eastern Logan and western DeWitt counties as well. No injuries were reported.
14.92010-06-05240°45'N / 89°23'W40°45'N / 89°20'W2.00 Miles250 Yards0070K0KWoodford
 Brief Description: EVENT NARRATIVE: A tornado crossed into Woodford County from Tazewell County approximately 3.2 miles south-southwest of Metamora. Several trees were snapped, five power poles were damaged, the metal roof of a barn was lifted off and windows were broken on a house. The tornado lifted 2.6 miles south-southeast of Metamora. EPISODE NARRATIVE: A stationary frontal boundary extending from southern Michigan across north-central Illinois served as the focus for severe thunderstorm development during the late afternoon and evening of June 5th. A vigorous upper-level disturbance tracking across the Upper Midwest added extra wind energy to the atmosphere, allowing supercell thunderstorms to develop along the front. Eight tornadoes were spawned by the storms, mainly along a Galesburg to Eureka line. An isolated tornado formed further south across eastern Logan and western DeWitt counties as well. No injuries were reported.
15.61951-11-13240°12'N / 89°43'W40°36'N / 88°59'W47.40 Miles50 Yards0025K0Mason
16.71967-01-24240°48'N / 89°24'W2.50 Miles73 Yards0025K0Mclean
16.81976-03-26240°43'N / 89°16'W0.50 Mile33 Yards00250K0Woodford
17.42003-05-10240°24'N / 89°48'W40°25'N / 89°45'W2.50 Miles100 Yards0100Mason
 Brief Description: A tornado touched down just southwest of Manito. As it traveled to the northeast it destroyed 4 homes, as well as power lines and trees. Twenty-four homes sustained minor to major damage. One elderly woman sustained minor injuries, a cut on her arm and bruises, while taking shelter in her walk-in pantry. No other injuries were reported.
18.52003-05-10240°41'N / 89°19'W40°49'N / 89°12'W10.50 Miles300 Yards0400Woodford
 Brief Description: As the tornado crossed from Tazewell County into Woodford County it increased in intensity. It destroyed several homes, outbuildings and businesses along US 24 before clipping the northwestern side of Eureka damaging several homes there. As it traveled to the northeast, additional homes sustained damage as well as trees, power lines, power poles, sheds and outbuildings. It moved through the extreme northern portions of Roanoke before lifting and dissipating one mile north of Roanoke. Several homes in this area sustained damage. Overall, 4 people sustained minor injuries.
18.61976-06-29440°48'N / 89°45'W40°50'N / 89°39'W4.90 Miles40 Yards00250K0Peoria
18.91974-06-22240°39'N / 89°11'W0.80 Mile100 Yards0025K0Woodford
20.61968-05-15340°17'N / 89°36'W40°17'N / 89°33'W002.5M0Logan
20.82004-07-13440°48'N / 89°20'W40°47'N / 89°10'W9.60 Miles440 Yards0300Woodford
 Brief Description: The tornado touched down around 234 pm CDT approximately 1.75 miles north-northeast of Metamora in western Woodford County. The tornado traveled southeast for about 2.5 miles, before beginning a temporary eastward jog between county roads 1300E and 1400E. The tornado curved southeast again, striking the Parsons Company, Inc.'s manufacturing plant around 241 pm CDT. The plant was severely damaged by the tornado. Approximately 140 people were in the plant at the time, but all personnel made it to storm shelters in time (approximately 3 to 5 minutes before the tornado arrived). Steel beams and metal siding from the plant were found approximately three quarters of a mile east in a farm field. From the plant, the tornado continued east, just south of Illinois Route 116/117, affecting 4 farmsteads approximately 1/2 to 1 mile east of the plant. Two of the farmsteads closest to the plant (about 1/2 to 3/4 mile east) had the 2-story houses completely blown away, with only debris remaining in the basements and nearby property. The other two farmsteads had significant damage to the 2-story houses with outbuildings demolished. The center of the tornado tracked about 100 yards south of the houses located on the south side of the road. From the plant to the farmsteads, the average width of the tornado was 400 yards and was close to 1/4 mile wide at times. The greatest tornado intensity was during this approximately 1 mile stretch and has been rated F4 by the National Weather Service. At this point, the tornado began to move more east-southeast and caused significant damage to a barn near the intersection of County Roads 1300N and 1600E, about 2.5 miles southwest of Roanoke. The tornado continued to move east-southeast and damaged a house about 1.25 miles south-southwest of Roanoke, near the intersection of County Roads 1300N and 1700E. The tornado crossed 1300N shortly afterward and curved sharply to the southeast. The tornado lifted around 254 pm about 2 miles southeast of Roanoke, at County Road 1900E.
21.61996-04-19240°19'N / 89°20'W40°20'N / 89°15'W4.40 Miles440 Yards001.0M0Tazewell
 Brief Description: A tornado touched down just south of the Logan/Tazewell County line (on 1350E), causing minor damage to three homes. Then the tornado travelled to the northeast, through the south side of Armington, destroying one home as well as several outbuildings. Also, 2 homes sustained major damage and 5 homes sustained minor damage. After moving through the Armington area, the tornado moved into southwestern McLean County. Here it destroyed a church and one home and caused major damage to another home in the area. Also, 8 homes sustained minor damage and numerous barns, outbuildings, grain bins, trees, and farm equipment were either damaged or destroyed. No injuries were reported. Damage was estimated around $15,000 in Logan County, $1 million in Tazewell County, and around $1 million in McLean County.
21.61985-03-28240°17'N / 89°29'W40°16'N / 89°23'W4.50 Miles800 Yards002.5M0Logan
22.32003-05-30240°51'N / 89°18'W40°47'N / 89°11'W7.30 Miles150 Yards0000Woodford
 Brief Description: Several homes sustained major damage and several sheds were destroyed by the tornado. It also blew down numerous trees, tree limbs, power lines and power poles. As the tornado approached Roanoke, it weakened quite a bit with only minor tree damage reported through town before the tornado lifted and dissipated on the southeast side of town. No injuries were reported.
22.51996-04-19340°21'N / 89°15'W40°22'N / 89°11'W4.80 Miles880 Yards001.0M0Mclean
 Brief Description: A tornado touched down just south of the Logan/Tazewell County line (on 1350E), causing minor damage to three homes. Then the tornado travelled to the northeast, through the south side of Armington, destroying one home as well as several outbuildings. Also, 2 homes sustained major damage and 5 homes sustained minor damage. After moving through the Armington area, the tornado moved into southwestern McLean County. Here it destroyed a church and one home and caused major damage to another home in the area. Also, 8 homes sustained minor damage and numerous barns, outbuildings, grain bins, trees, and farm equipment were either damaged or destroyed. No injuries were reported. Damage was estimated around $15,000 in Logan County, $1 million in Tazewell County, and around $1 million in McLean County.
22.81975-05-30240°36'N / 89°08'W40°39'N / 89°04'W4.30 Miles100 Yards0025K0Mclean
23.91986-09-24240°49'N / 89°12'W2.50 Miles73 Yards00250K0Woodford
24.21968-05-15340°14'N / 89°50'W40°17'N / 89°36'W12.60 Miles600 Yards0252.5M0Mason
24.81975-11-29240°15'N / 90°01'W40°25'N / 89°44'W18.60 Miles33 Yards00250K0Mason
25.01951-06-27340°16'N / 89°28'W40°16'N / 89°07'W18.20 Miles200 Yards1152.5M0Logan
25.31981-07-25240°54'N / 89°46'W2.00 Miles20 Yards00250K0Peoria
26.22010-06-05240°46'N / 89°59'W40°46'N / 89°57'W2.00 Miles50 Yards0085.0M0KPeoria
 Brief Description: EVENT NARRATIVE: A tornado crossed the Knox-Peoria County line 1.1 miles west of Elmwood, then continued southeastward through the town of Elmwood. Considerable structural damage occurred to 10 homes, 30 businesses and nearly two dozen vehicles in downtown Elmwood, amounting to approximately $85 million in damages. There was a total of about 80 people, some that were attending an outdoor festival in the downtown and some that were at a theater, that took shelter in the basement of the movie theater. As a result, there were no injuries. The tornado dissipated 1 mile east of Elmwood. EPISODE NARRATIVE: A stationary frontal boundary extending from southern Michigan across north-central Illinois served as the focus for severe thunderstorm development during the late afternoon and evening of June 5th. A vigorous upper-level disturbance tracking across the Upper Midwest added extra wind energy to the atmosphere, allowing supercell thunderstorms to develop along the front. Eight tornadoes were spawned by the storms, mainly along a Galesburg to Eureka line. An isolated tornado formed further south across eastern Logan and western DeWitt counties as well. No injuries were reported.
26.91977-05-05440°16'N / 89°14'W40°20'N / 89°07'W7.30 Miles33 Yards002.5M0De Witt
26.91977-05-05440°15'N / 89°15'W40°16'N / 89°14'W022.5M0Logan
27.31975-07-23340°34'N / 90°11'W40°32'N / 89°55'W14.00 Miles2630 Yards26925.0M0Fulton
27.61957-03-14240°12'N / 89°42'W0025K0Mason
29.82010-06-05240°48'N / 90°05'W40°46'N / 89°59'W6.00 Miles50 Yards00420K50KKnox
 Brief Description: EVENT NARRATIVE: A tornado touched down 4.5 miles west-northwest of Yates City in eastern Knox County then tracked southeastward to the Knox-Peoria County line. Large tree limbs were snapped and crops were scoured in numerous places along this path. A house had the roof torn off and much of the upper level of the structure severely damaged. The attached garage was also destroyed. In addition, a large garage was destroyed, and seven outbuildings were severely damaged. The tornado continued southeastward into Peoria County. EPISODE NARRATIVE: A stationary frontal boundary extending from southern Michigan across north-central Illinois served as the focus for severe thunderstorm development during the late afternoon and evening of June 5th. A vigorous upper-level disturbance tracking across the Upper Midwest added extra wind energy to the atmosphere, allowing supercell thunderstorms to develop along the front. Eight tornadoes were spawned by the storms, mainly along a Galesburg to Eureka line. An isolated tornado formed further south across eastern Logan and western DeWitt counties as well. No injuries were reported.
30.41953-04-09240°07'N / 89°27'W40°11'N / 89°21'W6.50 Miles30 Yards0325K0Logan
30.62003-05-30240°12'N / 89°20'W40°11'N / 89°10'W11.00 Miles880 Yards002.5M0Logan
 Brief Description: A tornado touched down 4 miles north of the Lincoln Weather Service Office, just southwest of Lawndale (Logan County). It traveled to the southeast blowing down numerous trees, tree limbs, power lines and power poles. It destroyed a mobile home, shoved a two-story house 15 feet off its foundation, destroyed several sheds and barns. Six to seven other homes sustained minor to major damage due to the tornado. It crossed from Logan County into DeWitt County just north of Illinois Route 10 near Beason. No injuries were reported.
30.71990-06-19240°34'N / 90°07'W0.30 Mile100 Yards00250K0Fulton
32.51998-04-07240°20'N / 90°04'W40°20'N / 90°03'W1.00 Mile35 Yards0000Fulton
 Brief Description: A tornado initially touched down in a farm field and overturned some irrigation equipment 3 miles east southeast of Sepo. Then it travelled to the northeast destroying a mobile home which was anchored, but the only thing left was the floor of the unit. The floor was wiped clean of all plumbing fixtures and walls with only a washing machine and water heater left on the floor. Most of the debris was deposited in the Illinois River about 50 yards away. A couple of three foot diameter trees were snapped off near the mobile home. Also, a nearby machine shed was destroyed and a motor home was rolled three times over the top of the damage and left upside down 30 feet from its original position. Just north of the mobile home, a concrete block pumping station was damaged. The roof was torn off, all of the windows broken out, and one wall was buckled. The tornado then moved across the Illinois River into Mason County. The tornado moved into the Baldwin Beach area, damaging three homes. From there the tornado, hopped and skipped along a northeasterly track, causing spotty damage to trees. The tornado finally lifted and dissipated 7 miles northeast of Buzzville in the Jake Wolf Memorial Fish Hatchery area. No injuries were reported and no damage estimate was available.
33.71961-05-14340°43'N / 90°13'W40°54'N / 89°59'W17.30 Miles100 Yards082.5M0Knox
34.01961-05-14340°54'N / 89°59'W41°07'N / 89°43'W20.20 Miles100 Yards002.5M0Peoria
34.21974-06-19240°54'N / 89°02'W1.00 Mile20 Yards000K0Woodford
34.81975-06-13340°41'N / 90°15'W40°40'N / 90°07'W6.60 Miles1300 Yards002.5M0Fulton
35.01967-07-23241°07'N / 89°41'W41°03'N / 89°31'W9.40 Miles50 Yards0025K0Stark
35.51976-08-11240°30'N / 90°12'W01250K0Fulton
36.01972-07-17341°04'N / 89°38'W41°08'N / 89°21'W15.20 Miles200 Yards002.5M0Marshall
36.51975-07-23340°33'N / 90°20'W40°33'N / 90°07'W11.10 Miles2630 Yards00250K0Fulton
36.52000-05-08240°25'N / 88°54'W40°26'N / 88°50'W4.00 Miles400 Yards04175K0Mclean
 Brief Description: A tornado touched down half a mile north of Shamrock. It traveled east northeast causing minor to moderate damage to several machine sheds and barns. The most severe damage was to a two story house 2 miles north northwest of Downs. The 3 to 5 year old house sustained major damage with the roof lifted off and two exterior walls caved in. Four family members sustained minor cuts and bruises. A neighbor's house sustained minor damage, mainly due to flying debris from the destroyed home.
37.01995-05-09339°53'N / 89°44'W40°13'N / 89°07'W40.00 Miles880 Yards0610.0M0Logan
 Brief Description: A tornado developed 3 NE of Salisbury and moved northeast lifting 5 NE of Beason in Logan County at 1756 CST. The path width varied from one-quarter to three-quarters of a mile and was on the ground for 40 miles. The tornado caused significant damage in Cantrall (three homes destroyed, 10 had major damage, 11 had minor damage, and the roof and interior of a grade school suffered extensive damage). In the Brookwood Hills Subdivision in Menard County (3 SE Athens), one home was destroyed, one had major damage, 12 homes suffered minor damage, and one farm in the area sustained damage to barns and silos. In Elkhart, 50 to 75 homes were damaged, as well as, several businesses. In Flamingo Heights subdivision (4S of Lincoln), all 23 homes were damaged. Numerous power lines, poles, trees, and a 400 foot cellular tower were blown down. With all of the damage, only six people suffered minor injuries. Preliminary damage estimates were $1 million in Sangamon County, $1 Million in Menard County, and over $8 million in Logan County.
37.21996-04-19240°12'N / 90°09'W40°18'N / 90°02'W9.00 Miles250 Yards0100Mason
 Brief Description: A tornado touched down in Bath causing major damage to one home and minor damage to 11 homes. Also, 2 trailers were destroyed. In one of the trailers a woman sustained minor injuries when the tornado hit it. After going through Bath, the tornado continued to the northeast where it destroyed and uprooted numerous trees in the Bath Cemetery, blew down numerous power lines, destroyed numerous farm buildings and picked up a semi-truck and blew it into a nearby field. Only the one minor injury was reported and no damage estimate was available.
37.72009-08-19339°58'N / 89°28'W40°09'N / 89°10'W20.00 Miles880 Yards027.2M1.0MLogan
 Brief Description: EVENT NARRATIVE: The tornado moved into Logan county from Sangamon county at 326 PM CST and continued heading northeast. It widened to 1/2 mile at several locations along its path. The tornado destroyed 7 houses and damaged 15 others. Numerous grain bins and outbuildings were also destroyed. Crop losses were extensive along the 20 mile path and were estimated to be around $1 Million. Two people sustained injuries when the shed they were seeking shelter in was destroyed. Wind speeds were estimated at 140 mph as the tornado crossed from Sangamon County, decreasing to 110 to 120 mph as it moved to areas between Lincoln and Mt. Pulaski. The tornado continued northeast before weakening to speeds of 90 to 100 mph, with a width of 50 to 100 yards. The tornado dissipated just east of Beason at 402 PM CST. The path length in Logan County was nearly 20 miles. EPISODE NARRATIVE: A vigorous upper-level disturbance in conjunction with a warm front lifting northward through central Illinois triggered strong to severe thunderstorms during the afternoon and evening of August 19th. Embedded supercells within a long line of storms produced enhanced wind damage and tornadoes. Seven tornadoes touched down on August 19th, affecting parts of Scott, Morgan, Sangamon, Logan, DeWitt, McLean, and Vermilion counties. The strongest tornado was rated as an EF3 by an NWS Storm Survey as it tracked across southern Logan County. Total damages to crops and property from the 7 tornadoes were estimated to be more than $25 Million.
37.71965-04-24341°09'N / 89°37'W41°06'N / 89°30'W6.50 Miles43 Yards0125K0Marshall
37.81995-05-13440°22'N / 90°18'W40°25'N / 90°07'W7.00 Miles880 Yards0456.0M0Fulton
 Brief Description: A tornado touched down 1 NE of Ipava and traveled to the northeast for seven miles, lifting and dissipating 2 NE of Lewistown. The tops of some high power line structures were broken off and 12 homes were destroyed. Numerous livestock were killed. Numerous cars and farm equipment were either damaged or destroyed. One car was thrown over a 100 yards into a farm field. Forty-five people sustained minor injuries, mainly from flying debris. Damage was estimated around $6 million.
38.41965-11-12240°18'N / 88°54'W0.30 Mile10 Yards0025K0Mclean
38.61970-06-16240°37'N / 88°50'W40°40'N / 88°46'W4.30 Miles40 Yards0025K0Mclean
39.11985-07-09240°57'N / 88°58'W0.50 Mile167 Yards08250K0La Salle
40.22004-05-23240°43'N / 88°51'W40°45'N / 88°44'W5.30 Miles216 Yards0000Mclean
 Brief Description: A tornado touched down 3 miles southeast of Gridley damaging several farm buildings. It then traveled to the northeast increasing in intensity 1.5 miles south southwest of Meadows causing moderate damage to several more farm buildings. The tornado continued to intensify reaching F2 intensity right before it crossed over into Livingston County. There were no buildings on the McLean County side of the road but the survey team determined that the damage to the buildings on the Livingston County side of the road was of F2 intensity. The tornado then traveled into Livingston County (NWS Chicago's warning area). No injuries were reported.
40.61975-06-14241°10'N / 89°33'W00250K0Bureau
40.61976-07-28240°44'N / 88°47'W0025K0Mclean
40.81995-05-13240°44'N / 90°23'W40°49'N / 90°09'W14.00 Miles880 Yards021.6M0Knox
 Brief Description: A tornado touched down 1 N of St. Augustine and traveled to the northeast. Twelve farm structures and 14 pieces of farm equipment were destroyed. Eighteen homes were either damaged or destroyed. Numerous trees were blown over and a 10 acre orchard with over 1200 trees was destroyed. The tornado also took off the roof of the Maquon Fire Department before it lifted and dissipated 1 NE of Maquon. Two people sustained minor injuries and damage was estimated around $1.6 million.
41.01981-04-13240°37'N / 88°45'W002.5M0Mclean
42.01956-03-06240°38'N / 88°46'W40°38'N / 88°42'W2.30 Miles200 Yards0025K0Mclean
42.01959-09-26241°10'N / 89°39'W41°12'N / 89°36'W1.90 Miles40 Yards0025K0Stark
42.92009-08-19339°57'N / 89°33'W39°58'N / 89°28'W4.00 Miles600 Yards01711.0M75KSangamon
 Brief Description: EVENT NARRATIVE: The tornado touched down on the west side of Williamsville, just west of I-55, at 319 PM CST. It destroyed an antique mall, damaged the Casey's gas station building and collapsed the canopy over the gas pumps. One person was injured at the mall, while 2 motorcyclists were injured when they were thrown from their bikes. The tornado moved northeast through Williamsville and hit a church, throwing a 2-horse trailer onto the roof and collapsing the roof over half of the building. One person inside the church was injured. The tornado continued through the northern portion of town, causing damage to numerous trees and several homes. Two homes lost their roof and several others lost a portion of their roof. The tornado also caved in the southern end of a metal building, part of an agricultural business on the edge of town. A total of 12 additional people were injured by tornado debris in the town of Williamsville. The width of the tornado through town ranged from 100 to 150 yards. The maximum wind speed of 135 mph (EF2) in Williamsville was determined from the damage to the church. A total of 10 houses were destroyed and 35 houses damaged in Williamsville. A total of six businesses and non-residential properties were destroyed. The tornado continued east-northeast and flattened cornfields, damaged farm outbuildings and machine sheds, and damaged homes, garages, and vehicles on Lester Rd. Two houses were completely destroyed, and four others had extensive damage, as the tornado widened to 600 yards at this point. A 19-month-old baby was injured as the family home was hit by the tornado. The maximum wind speed at this point was estimated at 140 mph (EF3). The tornado continued through fields, causing extensive crop damage, until crossing into Logan County around 326 PM CST. Path length through Sangamon County was 4.5 miles. EPISODE NARRATIVE: A vigorous upper-level disturbance in conjunction with a warm front lifting northward through central Illinois triggered strong to severe thunderstorms during the afternoon and evening of August 19th. Embedded supercells within a long line of storms produced enhanced wind damage and tornadoes. Seven tornadoes touched down on August 19th, affecting parts of Scott, Morgan, Sangamon, Logan, DeWitt, McLean, and Vermilion counties. The strongest tornado was rated as an EF3 by an NWS Storm Survey as it tracked across southern Logan County. Total damages to crops and property from the 7 tornadoes were estimated to be more than $25 Million.
42.91976-03-04341°12'N / 89°34'W0.80 Mile100 Yards00250K0Bureau
43.01976-06-29240°39'N / 88°43'W0025K0Mclean
43.22003-05-30240°09'N / 89°05'W40°06'N / 88°51'W12.80 Miles1100 Yards049.3M0De Witt
 Brief Description: As the first tornado was weakening on the west side of Hallsville another more significant tornado developed on the east side of town. It quickly intensified to F2 intensity, destroying two homes and causing damage to several others. In one home, a family of four sought shelter in the hallway. They were briefly trapped after the walls collapsed around them, but only sustained minor injuries. The tornado maintained its intensity and traveled to the southeast towards the south side of Clinton. As it approached US 51 numerous homes and businesses were severely damaged. Seven businesses were destroyed. The tornado finally weakened and lifted one mile south of Lane. Numerous trees, power lines and power poles were blown down as well. No other injuries were reported.
43.21976-03-04241°02'N / 90°06'W0.10 Mile440 Yards0025K0Knox
43.62004-05-23240°46'N / 88°45'W40°52'N / 88°46'W7.80 Miles240 Yards0000Livingston
 Brief Description: A tornado moved into Livingston County from McLean County, 1.7 miles northwest of Chenoa. A farm house was unroofed and a double-wide mobile home, outbuildings and grain bins were destroyed. The tornado ended 8 miles southwest of Pontiac or 2.5 miles southwest of Ocoya. At its strongest point, the tornado was 240 yards wide, with wind speeds between 130 and 140 mph. For additional information on this tornado, see Storm Data for ILLINOIS, Central.
44.02010-12-31339°58'N / 89°51'W40°00'N / 89°48'W4.00 Miles200 Yards0112.0M0KMenard
 Brief Description: EVENT NARRATIVE: A tornado touched down on the west side of Lake Petersburg at 12:37 PM CST, then tracked northeast over the lake and across Sunny Acres Road, before lifting southeast of the intersection of Tice Road and Illinois 123 at 12:40 PM CST. A total of 29 homes sustained significant structural damage, four of which could not be repaired. Two barns were also destroyed, and nearly 100 houses and a nursing home had minor damage along the path of the tornado. One person was seriously injured when the tornado caused a large tree limb to fall on their automobile, crushing the car and trapping the occupant. EPISODE NARRATIVE: A strong cold front pushed across central Illinois on December 31st, triggering a line of strong to severe thunderstorms. Unseasonably warm and moist air ahead of the front aided in initial storm development, while a strong upper-level disturbance created a highly sheared environment. One of the resulting supercell thunderstorms produced an EF3 tornado that tracked across the Lake Petersburg area in Menard County, creating considerable damage.
44.32006-03-12239°56'N / 89°19'W39°59'N / 89°19'W2.50 Miles400 Yards0000Logan
 Brief Description: The tornado touched down 4 miles east of Cornland, and was on the ground for 2.5 miles before lifting 2.5 miles southwest of Mt. Pulaski. The tornado snapped numerous trees and power poles, and a 400 foot microwave tower was toppled. No injuries or fatalities were reported.
44.41960-06-04240°32'N / 89°05'W40°03'N / 88°28'W46.50 Miles20 Yards00250K0Mclean
45.01982-08-24240°31'N / 88°53'W40°33'N / 88°28'W18.00 Miles300 Yards002.5M0Mclean
45.42006-03-12239°56'N / 89°17'W39°58'N / 89°17'W3.50 Miles200 Yards0000Logan
 Brief Description: The tornado tracked from the Logan/Sangamon County line, 6 miles south of Mt. Pulaski, to 3 miles south of Mt. Pulaski. Damage from this tornado included numerous snapped trees and power poles. In addition, 3 or 4 large steel power poles were toppled. No injuries or fatalities were reported.
45.41967-01-24340°07'N / 90°13'W40°10'N / 90°08'W5.10 Miles80 Yards1325K0Mason
45.81974-09-12241°11'N / 89°10'W0.30 Mile600 Yards0025K0Putnam
46.41957-03-14239°58'N / 89°10'W0025K0Logan
47.51967-04-21241°15'N / 89°20'W0.30 Mile30 Yards013K0Putnam
47.51965-11-12241°12'N / 89°18'W41°15'N / 89°08'W8.70 Miles50 Yards00250K0Putnam
47.71990-03-08240°14'N / 90°26'W40°14'N / 90°12'W15.00 Miles50 Yards00250K0Fulton
47.91975-03-23241°04'N / 90°11'W1.00 Mile80 Yards0225K0Knox
48.31975-06-14241°13'N / 89°09'W1.00 Mile167 Yards00250K0La Salle
48.52010-06-05241°06'N / 89°04'W41°06'N / 88°45'W17.00 Miles800 Yards0177.0M0KLa Salle
 Brief Description: EVENT NARRATIVE: Shortly after the Magnolia, IL tornado lifted, the same supercell thunderstorm went on to produce another tornado near the Marshall and LaSalle County line. National Weather Service damage survey teams found the damage from this tornado began just west of 2900 E Road and about one quarter mile south of 1250 N Road, or N 12th Road, which is the road that marks the county line. The tornado crossed north of 1250 N Road at Interstate 39. See Stormdata for Illinois, Central for the beginning of this tornado. This tornado continued eastward tracking along and just north of 12th Road, producing primarily EF0 to EF1 intensity damage, largely in the form of downed trees, power lines, and very minor structural damage. After the tornado moved past E 9th Road, the damage became more sporadic, which corresponded with spotter and storm chasers who reported that the tornado was not continuously on the ground before it reached Streator. Damage became more consistent again as the tornado moved east of E 12th Road, remaining just north of N 12th Road. The tornado appears to have remained on the ground from this point east into the city of Streator. The damage from E 9th Road east to E 15th Road was rated EF0 intensity and consisted primarily of minor tree damage. The tornado appears to have intensified as it moved into the city of Streator with EF2 intensity damage near the Eagle Pass subdivision where there was significant tree damage, along with portions of roofs removed from well built single family homes. The tornado continued eastward across southern portions of the city of Streator, damaging numerous homes and completely destroying several homes. Some of the most intense damage in Streator occurred along Hall Street and near Southside Athletic Park, where damage was rated higher end EF2. The most intense damage occurred through an approximately one quarter mile wide path through the city of Streator. Twenty one homes were uninhabitable and had to be destroyed. Another 33 homes were uninhabitable and had to undergo major repair. Another 150 homes had some degree of damage. A few businesses were also damaged including the Engle Lane Theater, an auto salvage business, an auto repair shop, and a landscape and nursery business. The tornado then continued eastward out of the city of Streator producing additional EF0 to EF1 intensity damage just north of the Livingston and LaSalle county border. The tornado appears to have jogged slightly southward before lifting near the county line, just to the west of E 22nd Road. EPISODE NARRATIVE: Severe thunderstorms, including a few long tracked supercells moved across central and northern Illinois, producing damaging winds, hail and tornadoes.
48.51974-06-14340°56'N / 90°24'W40°43'N / 90°24'W14.90 Miles33 Yards010K0Knox
48.91986-09-29240°45'N / 88°39'W40°42'N / 88°35'W5.00 Miles50 Yards002.5M0Mclean
49.61951-06-27339°57'N / 89°10'W39°57'N / 88°59'W9.60 Miles300 Yards0352.5M0Logan


* 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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