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Davenport, Moline, Rock Island Metro Area Natural Disasters and Weather Extremes

 

The chance of earthquake damage in Davenport, Moline, Rock Island Area is much lower than the national average. The risk of tornado damage in Davenport, Moline, Rock Island Area is much higher than the national average.

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

Earthquake Index, #655

Davenport, Moline, Rock Island Area
0.01
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, #129

Davenport, Moline, Rock Island Area
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, #199

Davenport, Moline, Rock Island Area
227.86
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 14,095 other weather extremes events from 1950 to 2010 were recorded in Davenport, Moline, Rock Island Area. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:54Cold:118Dense Fog:89Drought:52
Dust Storm:0Flood:1,369Hail:3,825Heat:82Heavy Snow:155
High Surf:0Hurricane:0Ice Storm:108Landslide:1Strong Wind:168
Thunderstorm Winds:6,529Tropical Storm:0Wildfire:5Winter Storm:303Winter Weather:349
Other:888 

Volcanos Nearby

No volcano is found in or near Davenport, Moline, Rock Island Area.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Davenport, Moline, Rock Island Area.

No historical earthquake events found in or near Davenport, Moline, Rock Island Area.

Historical Tornado Events

A total of 84 historical tornado events that had recorded magnitude of 2 or above found in or near Davenport, Moline, Rock Island Area.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
3.51974-05-16241°20'N / 90°33'W41°21'N / 90°22'W9.20 Miles100 Yards002.5M0Rock Island
3.81973-04-21241°20'N / 90°39'W41°26'N / 90°25'W13.60 Miles33 Yards022.5M0Rock Island
7.01973-04-21241°26'N / 90°25'W41°29'N / 90°18'W6.40 Miles33 Yards002.5M0Henry
7.21965-04-23241°21'N / 90°20'W0.20 Mile100 Yards0025K0Henry
7.81966-04-19341°30'N / 90°30'W2.00 Miles100 Yards00250K0Scott
9.21974-06-14341°23'N / 90°40'W41°18'N / 90°35'W6.80 Miles33 Yards000K0Rock Island
11.21974-04-13241°14'N / 90°25'W0.10 Mile17 Yards013K0Mercer
11.32006-04-13241°16'N / 90°37'W41°16'N / 90°35'W2.00 Miles50 Yards0030K0Mercer
 Brief Description: Rated low F2 Tornado developed just east of 240th Street at 2107 CST and tracked generally east across the far northern part of Matherville and dissipated just west of U.S. 67 east of Matherville at 2111 CST. Two homes had roof damage done to them with the sheriff's office indicating one house was completely unroofed.
12.21956-04-26241°29'N / 90°22'W41°29'N / 90°09'W10.90 Miles33 Yards00250K0Henry
12.51978-08-15341°20'N / 90°41'W41°21'N / 90°42'W00250K0Rock Island
13.21974-04-13241°12'N / 90°27'W0.10 Mile20 Yards0025K0Mercer
13.81962-05-28241°13'N / 90°20'W000K0Henry
14.41959-09-26241°11'N / 90°22'W41°18'N / 90°10'W12.90 Miles33 Yards00250K0Henry
15.51978-08-15341°16'N / 90°47'W41°20'N / 90°41'W6.40 Miles77 Yards00250K0Mercer
15.91973-04-21241°16'N / 90°50'W41°20'N / 90°39'W10.20 Miles33 Yards002.5M0Mercer
16.21962-05-28241°25'N / 90°09'W00250K0Henry
16.31967-04-21241°26'N / 90°24'W41°29'N / 89°55'W25.10 Miles300 Yards00250K0Henry
16.81967-01-24241°37'N / 90°35'W2.00 Miles250 Yards00250K0Scott
16.91990-03-13341°36'N / 90°17'W41°37'N / 90°20'W0.50 Mile73 Yards00250K0Scott
17.72001-06-14241°29'N / 90°47'W41°33'N / 90°44'W6.40 Miles200 Yards0300Scott
 Brief Description: An F2 tornado touched down at 501 pm CST, around a half mile east/northeast of Montpelier, near Highway 22 and the Muscatine/Scott County line. The tornado then tracked northeast into Scott County, was on the ground about 6.5 miles, and was 200 yards wide. The tornado ripped the roof off of three homes in Blue Grass, and produced lesser damage to many other homes. Three people in Blue Grass sustained minor injuries. The tornado produced F2 damage in the area around Normandy Street in Blue Grass, before lifting 2.5 miles northeast of the community at 506 pm CST.
18.31974-05-13341°37'N / 90°36'W41°40'N / 90°33'W3.60 Miles100 Yards002.5M0Scott
18.32001-06-14241°28'N / 90°48'W41°28'N / 90°48'W0.10 Mile200 Yards0000Muscatine
 Brief Description: An F2 tornado touched down at 501 pm CST, around a half mile east/northeast of Montpelier, near Highway 22 and the Muscatine/Scott County line. The tornado then tracked northeast into Scott County, was on the ground about 6.5 miles, and was 200 yards wide. The tornado ripped the roof off of three homes in Blue Grass, and produced lesser damage to many other homes. Three people in Blue Grass sustained minor injuries. The tornado produced F2 damage in the area around Normandy Street in Blue Grass, before lifting 2.5 miles northeast of the community at 506 pm CST.
19.11974-06-14341°18'N / 90°35'W40°56'N / 90°24'W26.90 Miles440 Yards010K0Mercer
20.21959-08-26241°36'N / 90°17'W41°41'N / 90°14'W5.60 Miles50 Yards0025K0Rock Island
20.51967-05-07241°32'N / 90°54'W41°29'N / 90°45'W8.00 Miles200 Yards0025K0Muscatine
20.91995-05-09341°32'N / 90°49'W7.00 Miles500 Yards003.0M0Scott
 Brief Description: This tornado destroyed 26 farm buildings, 20 of them with major damage. Nine homes were hit, one destroyed, two with major damage and six with minor damage. Seven of the nine homes were farmhouses. Roxanne Paper, with baby boy Logan in arm, was downstairs when the tornado struck. She reported that it sounded like something big was tearing through the house. The Gary Meincke farm was hit very hard. He and his wife watched the tornado touch down south of their farm at around 1630 CDT. Shortly after that they ran with their children to the basement. Debris from the Leroy Feldhahn farm near Stockton was spread over nearby Interstate 80 causing a two mile long traffic jam. Governor Terry Branstad later proclaimed a Disaster Emergency for Scott County.
21.31974-04-21241°22'N / 90°03'W2.00 Miles50 Yards003K0Henry
22.81990-03-13341°37'N / 90°20'W41°46'N / 90°13'W12.00 Miles250 Yards012.5M0Rock Island
23.21962-05-07341°40'N / 90°43'W10.00 Miles300 Yards00250K0Scott
23.21998-06-18241°06'N / 90°48'W41°11'N / 90°43'W6.00 Miles880 Yards00110K0Mercer
 Brief Description: The tornado damaged several rural home sites. Northeast of Seaton damage was noted to farm buildings and a silo. South of Aledo seven power lines poles were snapped, and a farmhouse 4 miles west of Aledo was destroyed. The tornado also damaged or destroyed farm buildings, roofs and chimneys south of Aledo.
24.31996-04-19341°12'N / 90°07'W41°11'N / 90°02'W3.00 Miles100 Yards0410.0M0Henry
 Brief Description: 10 Million in damage and 4 hospitalized as this tornado moved from Bishop Hill through Galva. At least 6 Million of damage was reported in the city limits of Galva where 150 homes were damaged, 26 received extensive damage, and 15 had to be destroyed. Extensive damage was also received to the city sewage treatment plant. A second, small and short lived tornado, did much less damage to the eastern part of town, most notably pushing over gravestones in a cemetery and downing trees.
24.61966-05-23241°41'N / 90°44'W2.00 Miles250 Yards0025K0Scott
26.61975-03-23241°04'N / 90°11'W1.00 Mile80 Yards0225K0Knox
26.81957-05-21241°33'N / 91°00'W41°36'N / 90°50'W8.90 Miles100 Yards00250K0Cedar
27.91995-05-09341°35'N / 90°52'W41°43'N / 90°53'W10.00 Miles75 Yards00650K0Muscatine
27.91995-07-27241°45'N / 90°47'W41°43'N / 90°43'W5.50 Miles60 Yards0010K70KScott
29.01963-04-18241°02'N / 90°45'W0025K0Warren
29.01990-03-13341°46'N / 90°13'W41°46'N / 90°12'W3.00 Miles250 Yards002.5M0Whiteside
29.41988-05-08341°46'N / 90°45'W41°52'N / 90°12'W30.00 Miles150 Yards0025.0M0Clinton
29.81967-04-21241°32'N / 89°58'W41°32'N / 89°52'W4.50 Miles300 Yards0025K0Henry
29.91988-05-08341°45'N / 90°47'W41°46'N / 90°45'W2.00 Miles150 Yards0025.0M0Scott
31.01976-03-04241°02'N / 90°06'W0.10 Mile440 Yards0025K0Knox
31.31967-01-24241°47'N / 90°46'W2.00 Miles143 Yards0025K0Scott
31.42007-06-01341°19'N / 91°07'W41°27'N / 91°01'W10.00 Miles774 Yards0615.0M0KMuscatine
 Brief Description: EVENT NARRATIVE: A tornado entered into Muscatine County from Louisa County just south of Fruitland, IA. It progressed to the northeast through the center of Fruitland destroying the post office and city hall building, numerous homes, and overturning some railroad cars. The tornado weakened as it approached the southwest portions of Muscatine. In Muscatine, the western sections of town had varying degrees of damage, which was mainly confined to roof damage. At a car dealership, some cars were displaced. The tornado eventually lifted on the northeast side of Muscatine near the junction of highways 22 and 61. Debris from Muscatine and Fruitland fell in Lowden, IA. Some personal papers were found 1 to 4 miles northwest of Lowden. Lowden is approximately 30 miles NNE of Muscatine. EPISODE NARRATIVE: A line of thunderstorms pivoted northeast into parts of southeast Iowa during the mid-morning hours of June 1st. Much of the area was just breaking out of a blanket of dense fog where visibilities dropped to less than a quarter mile. Dew point temperatures were in the middle 60s to around 70 degrees. The line of storms appeared to become more broken through the late morning hours, while the area from Iowa City to Waterloo appeared to stratify out into a large area of showers. Just before 12:00 pm CDT, rapid intensification of storm cells on the southeast end of the original line occurred as it moved into northern portions of Louisa County. A tornado touched down just south of Grandview, IA and moved northeast through Fruitland, IA and on to the southwest parts of Muscatine, IA. The tornado then lifted and as the storm cell continued to move northeast across Muscatine County. The super-cell re-intensified as it entered the southeast part of Cedar County just before 1 pm producing a brief tornado near Wilton, IA. The storm then moved across northwest parts of Scott County and Clinton County producing damaging wind gusts and large hail. The super-cell continued northeast into Jackson County producing a tornado near Bellevue around 2:30 pm, which moved across the Mississippi River into Jo Daviess County before lifting. The storm produced yet another tornado just south of Scales Mound, IL around 3:15 pm before moving into southwest Wisconsin and dissipating. During the early afternoon hours, additional storms strengthened on the south end of the original line of storms, which went on to produce wind damage and large hail as they moved through northwest Illinois through the late afternoon hours.
32.91959-09-26240°54'N / 90°38'W40°57'N / 90°33'W4.90 Miles300 Yards10250K0Warren
33.11967-01-24241°52'N / 90°22'W1.00 Mile200 Yards0025K0Clinton
34.01961-06-07241°42'N / 90°58'W41°46'N / 90°54'W5.10 Miles200 Yards0125K0Cedar
34.21967-01-24241°48'N / 90°50'W2.00 Miles150 Yards0025K0Clinton
35.21995-07-27241°56'N / 90°45'W41°49'N / 90°36'W10.50 Miles70 Yards00200K150KClinton
35.91981-03-29441°41'N / 89°57'W41°45'N / 89°53'W5.10 Miles33 Yards002.5M0Whiteside
36.42007-06-01341°16'N / 91°11'W41°19'N / 91°07'W6.00 Miles774 Yards011.0M0KLouisa
 Brief Description: EVENT NARRATIVE: The tornado touched down on the southern edge of Grandview. It moved through the center of town intensifying in rural areas as it approached the county line. In Grandview, several homes sustained severe damage. North of Grandview, about 1.5 miles, a farm house was completely destroyed. Other homes and trees along the path sustained damage. The tornado crossed the Louisa-Muscatine county line just south of Fruitland, IA. EPISODE NARRATIVE: A line of thunderstorms pivoted northeast into parts of southeast Iowa during the mid-morning hours of June 1st. Much of the area was just breaking out of a blanket of dense fog where visibilities dropped to less than a quarter mile. Dew point temperatures were in the middle 60s to around 70 degrees. The line of storms appeared to become more broken through the late morning hours, while the area from Iowa City to Waterloo appeared to stratify out into a large area of showers. Just before 12:00 pm CDT, rapid intensification of storm cells on the southeast end of the original line occurred as it moved into northern portions of Louisa County. A tornado touched down just south of Grandview, IA and moved northeast through Fruitland, IA and on to the southwest parts of Muscatine, IA. The tornado then lifted and as the storm cell continued to move northeast across Muscatine County. The super-cell re-intensified as it entered the southeast part of Cedar County just before 1 pm producing a brief tornado near Wilton, IA. The storm then moved across northwest parts of Scott County and Clinton County producing damaging wind gusts and large hail. The super-cell continued northeast into Jackson County producing a tornado near Bellevue around 2:30 pm, which moved across the Mississippi River into Jo Daviess County before lifting. The storm produced yet another tornado just south of Scales Mound, IL around 3:15 pm before moving into southwest Wisconsin and dissipating. During the early afternoon hours, additional storms strengthened on the south end of the original line of storms, which went on to produce wind damage and large hail as they moved through northwest Illinois through the late afternoon hours.
36.91966-03-21241°48'N / 90°00'W0025K0Whiteside
37.51974-06-20341°59'N / 90°16'W41°50'N / 90°12'W10.60 Miles200 Yards1202.5M0Clinton
37.81954-04-30240°48'N / 91°25'W41°50'N / 90°57'W75.30 Miles200 Yards0025K0Des Moines
38.82008-04-25241°31'N / 91°15'W41°34'N / 91°07'W7.00 Miles150 Yards00200K0KMuscatine
 Brief Description: EVENT NARRATIVE: This tornado touched down 5.2 miles northeast of Nichols and tracked to the northeast before lifting 2 miles west of Moscow. The EF2 tornado was on the ground for 6.5 miles, had maximum winds to 115 mph and was 150 yards wide. There were 5 farmsteads that were hit by the tornado, but no injuries were reported. Siding and shingles of two homes were peeled off. Outbuildings were damaged, a machine shed and grain bin destroyed, and a wooden swingset toppled. Utility poles were snapped or blown down, while several trees were snapped or uprooted. EPISODE NARRATIVE: Strong low pressure tracked from western Kansas to western Wisconsin on April 24-25, 2008. A warm front moving across the region brought heavy rain and flash flooding to areas north of I-80. Then an impressive cold front swept across eastern Iowa and northwest Illinois. This front triggered severe thunderstorms which produced two tornadoes, large hail and damaging winds.
39.11967-01-24241°57'N / 90°20'W00250K0Clinton
39.31974-06-14340°56'N / 90°24'W40°43'N / 90°24'W14.90 Miles33 Yards010K0Knox
40.81991-03-22241°53'N / 90°51'W41°58'N / 90°45'W7.00 Miles60 Yards002.5M0Clinton
41.31961-05-14340°54'N / 89°59'W41°07'N / 89°43'W20.20 Miles100 Yards002.5M0Peoria
41.31988-05-08241°42'N / 91°10'W41°46'N / 91°04'W7.00 Miles90 Yards002.5M0Cedar
41.51995-07-27241°39'N / 91°17'W41°36'N / 91°07'W7.50 Miles100 Yards00500K60KCedar
 Brief Description: A vary dynamic weather pattern was in place across Iowa. The air mass was very unstable with total total indices of 61, K indices over 30, and helicity values over 600 m2-s-2. Soundings at 1200 UTC already indicated lifted indices of -7 C. Moisture pooling was taking place ahead of a windshift line which extended north to south across central Nebraska at sunrise. Dew point values rose to around 80 F. over most of Iowa in the morning. A strong cap was in place with 700 mb temps nearing +15 C. This held convection to a minimum. Thunderstorms had formed the previous night across South Dakota and advanced into southern Minnesota. They slid southeast and moved into north central Iowa during the late morning hours. Golf ball-size hail pelted Worth County northeast of Northwood. A short time later a second cell dropped dime-size hail on the area. The storms advanced southeast producing hail and gusty winds. Most of the activity was just below severe limits. When the storms reached Clayton County, dime size hail was reported in Luana. Meanwhile, in Garnavillo high winds were a problem. Several trees and numerous power lines were downed in the city as the gust front passed. In addition to the first cluster of storms that slid southeast, a line of thunderstorms formed quickly on its heels ahead of the trough/windshift line. These storms quickly became severe in the unstable air mass and joined with the aforementioned cluster of storms. Once the storms became severe, they produced considerable damage. Hail up to baseball-size, very high winds, and tornadoes resulted. There were several small tornadoes and one gustnado produced by the line. Of the more significant tornadoes, one tracked across Buchanan and Delaware Counties and caused damage to many out buildings. The tornado struck a few farmsteads directly and damaged many others. Considerable damage was reported along its path. One house was destroyed, two others sustained about $25 thousand damage each, five others sustained about $20 thousand damage, and a mobile home was destroyed worth $10 thousand. A grain elevator was struck near Lamont with damage placed to it at $500 thousand. A total of 19 farmsteads sustained damage in the county. Crop damage by the tornado was also severe with damage described as if "someone went through the fields with a Weedeater". Two head of cattle were killed near Lamont when the barn they were in collapsed. Another tornado that was on the ground for a significant length of time tracked across Clinton County. Other significant tornadoes struck Scott and Muscatine Counties. Straight line winds caused considerable damage in Delaware County. There were numerous reports of livestock killed or injured by fallen barns. Three hogs were crushed on a farm near Hopkinton for example. Damage from straight line winds alone in the county were placed near two and one half million dollars. Damage was very extensive around the Hopkinton area with many farmsteads affected and some nearly wiped out. Estimates from the entire Quad Cities metro area range to around $5 million. There was also considerable damage in Jones County from high winds. Wind gusts of at least 85 MPH destroyed 24 mobile homes and three permanent homes in Monticello. There was also damage reported to several other houses and businesses in the area. Other wind damage in the Monticello area included three silos destroyed, two large barns downed, two machine sheds, a corn crib, and six open sheds. Three head of cattle were killed as one of the barns collapsed on them. In another incident, a horse stable was blown down by the winds. One horse was killed as the stable toppled down on it. Also, in Monticello, a man was injured as high winds downed a tree on top of his car. Reports indicated the total property damage in the Monticello area were at least $1.8 million and were expected to top the $2 million mark. Estimates of crop damage due to the wind totaled close to $1 million across Jones County. Cedar County, winds of 90 to 95 MPH in close proximity to a tornado in the area destroyed one house and several buildings north of Atalissa. The tornado itself hit one farmstead north of the Atalissa area. Reports indicated food was sucked out of the refrigerator and boards were taken out of loaded grain wagons. When the house was hit, a letter from the attic was picked up shortly before 1900CST. The letter was retrieved at 1940CST; 40 miles from its original location in the Quad Cities. There were numerous reports of small rope tornadoes around the Lowden area. Two are included in this report. The tornado northwest of town touched down briefly in an open field. There were actually three separate touchdowns from one parent cloud within a period of several minutes. A local network of spotters in the county observed 24 funnel clouds. In addition to the tornadoes and winds, hail was a major problem. There were numerous reports of one to two-inch diameter hail. There were also several reports of baseball-size hail. In Clinton County, Grand Mound and DeWitt were pelted with baseball-size hail causing considerable damage. The airport at Clinton sustained damage by baseball-size hail as well. In Calamus, baseball-size hail fell on the city. The hail in combination with the wind damaged cars, knocking out windows. Windows were also knocked out of several buildings in the city. Hail also caused considerable crop damage in east central Iowa. Five thousand acres of corn and soybeans were totally destroyed, 10,000 acres slightly damaged, 50 hogs killed, and 10 head of cattle killed in a three county area. The Governor declared Buchanan, Delaware, and Jones Counties disaster areas. Damage and losses totaled into the millions. Earlier in the afternoon, lightning struck a barn in Winneshiek County near Castalia. The barn was a total loss as it burned to the ground.
41.71967-01-24240°51'N / 90°56'W40°55'N / 90°51'W5.70 Miles77 Yards0025K0Henderson
42.71966-05-23241°36'N / 91°16'W41°39'N / 91°11'W4.90 Miles350 Yards00250K0Muscatine
43.41975-11-09241°54'N / 90°53'W42°02'N / 90°43'W12.30 Miles200 Yards02250K0Clinton
43.81995-05-13240°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.
44.41970-05-09241°13'N / 91°17'W1.00 Mile100 Yards0025K0Louisa
44.41961-05-14340°43'N / 90°13'W40°54'N / 89°59'W17.30 Miles100 Yards082.5M0Knox
44.61959-09-26241°57'N / 90°06'W41°59'N / 90°02'W3.30 Miles40 Yards0025K0Carroll
44.71967-01-24241°12'N / 91°17'W2.00 Miles150 Yards0125K0Louisa
44.91974-05-13241°00'N / 91°09'W1.00 Mile50 Yards00250K0Des Moines
45.21991-03-22241°39'N / 91°20'W41°40'N / 91°11'W10.00 Miles80 Yards00250K0Cedar
45.31966-05-23240°58'N / 91°11'W41°01'N / 91°07'W4.10 Miles100 Yards00250K0Des Moines
45.71959-09-26241°10'N / 89°39'W41°12'N / 89°36'W1.90 Miles40 Yards0025K0Stark
45.91998-05-15341°37'N / 91°21'W41°53'N / 91°04'W15.00 Miles400 Yards022K0Cedar
 Brief Description: A tornado developed two miles Southwest of Washington Iowa and produced a 30 mile long continuous path of damage and debris as it moved to the Northeast at nearly 30 mph. The tornado weakened and lifted before reaching I-80 near West Branch Iowa shortly before 6pm. The tornado continued Northeast across Cedar County Iowa producing another 15 miles of isolated damage...not continuous. The storm producing this tornado continued Northeast producing a brief touchdown one mile west of Oxford Mills Iowa near the intersection of county roads E53 and X64. Another brief touchdown occurred south of Dubuque near Zwingle Iowa before the storm moved into Wisconsin. In Washington Iowa extensive damage was reported to businesses, a church, numerous homes, an apartment complex housing elderly residents and a livestock sale barn. Fourteen single family homes were destroyed, another fourteen received major damage and forty five reported minor damage. Three multi-family housing units were destroyed and two received major damage. Twenty six detached units (sheds and garages) were destroyed or sustained major damage. Across Washington county fourteen farmsteads were hit by the tornado with damage ranging from moderate to heavy. Utility damage was listed at $218,000. In the city of Washington twenty seven individuals sustained minor injuries requiring medical treatment. One person was hospitalized for treatment of injuries he received when his automobile was picked up and rolled over by the tornado. In Johnson County twenty miles of power lines and poles were damaged, fifteen roads were closed due to debris and one bridge was destroyed. Six residences were destroyed, eight more sustained minor the major damage, and three farms were affected. Seventeen people were treated and released for injuries in Johnson County. In Cedar County moderate to heavy damage was reported to five different properties as the tornado destroyed a home, barns, grain bins, machine and hog sheds, a hog nursery and a chicken coop. Two persons near Downey suffered injuries requiring stitches when bricks and debris fell upon them while they were taking shelter in their basement.
46.31967-01-24241°18'N / 91°22'W41°21'N / 91°20'W3.00 Miles250 Yards000K0Louisa
47.52010-06-05240°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.
47.51974-04-28241°38'N / 91°21'W41°39'N / 91°17'W2.30 Miles100 Yards016250K0Cedar
47.61975-11-09242°03'N / 90°43'W42°04'N / 90°40'W1.30 Miles200 Yards02250K0Jackson
48.11991-03-22241°32'N / 91°22'W41°39'N / 91°20'W4.00 Miles80 Yards00250K0Johnson
48.21976-03-04341°12'N / 89°34'W0.80 Mile100 Yards00250K0Bureau
48.71992-07-13241°58'N / 91°04'W41°59'N / 90°55'W5.70 Miles73 Yards002.5M0Jones
49.51967-07-23241°07'N / 89°41'W41°03'N / 89°31'W9.40 Miles50 Yards0025K0Stark
49.51981-07-25240°54'N / 89°46'W2.00 Miles20 Yards00250K0Peoria
49.71975-06-14241°10'N / 89°33'W00250K0Bureau


* 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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