National Weather Service United States Department of Commerce

Madison County, IL

Data available through 1/1/2013

Date

Time (CST)

F/EF-Scale

Length (Miles)

Maximum Width (Yards)

Killed

Injured

Property Damage

Source*

6/14/1814

n/a

n/a

n/a

n/a

n/a

n/a

n/a

G

A tornado moved E across Hamel Township.  This tornado was part of a major outbreak, of which very little is known.

6/2/1860

730 pm

n/a

n/a

n/a

n/a

n/a

$100,000

G

This event was probably a microburst that moved across Alton.

5/22/1873

n/a

F1

n/a

n/a

n/a

n/a

n/a

G

A small tornado moved erratically across Alton, crossing the path of the June 2, 1860 storm.  About a dozen buildings had roof and wall damage. 

2/27/1876

350 pm

F3

7

400

3

30

n/a

G

Moved NE, destroying 11 homes, two churches, and a school in the western part of New Douglas.  At one church, where services were in progress, the preacher was killed and many other people injured.  Five people were injured in the Masonic Hall.  The storm "chased and hit a funeral procession", destroying the vehicles and killing two people in a home where they had sought shelter.

4/14/1879

1040 pm

F3

1

400

1

7

$50,000

G

A tornado moved ESE, passing through Collinsville.  Ten homes were destroyed, 30 others badly damaged; 75 buildings had lesser damage.  Furniture carried 3 miles.  A girl died as a two-story home was demolished.  Four funnels were reported in the area.

5/18/1883

800 pm

F3

15

n/a

1

3

n/a

G

Formed W of Collinsville and moved NE, passing E of Edwardsville to E of Carpenter.  A farm house was destroyed and a woman who was caught outside was killed 4 miles E of Edwardsville. The house was rebuilt, and then destroyed again in 1938.  Another possible tornado in this area unroofed the county courthouse just before midnight.

5/18/1883

830 pm

F3

9

n/a

0

n/a

n/a

G

Formed near Prairietown and moved NE into Macoupin County where the most damage and deaths occurred.

5/18/1883

930 pm

F3

25

200

2

10

n/a

G

Formed over far northeastern part of the county and quickly moved into Macoupin and Montgomery counties where most of the damage and deaths occurred.  Early in the path, it was said to "resemble a huge whip, surrounded by a crimson veil."

3/28/1896

300 pm

F2

4

50

0

1

n/a

G

Formed near West Alton, MO and moved NE to near Bethalto.  Twenty rural buildings were damaged or destroyed.  Twenty-five freight cars were derailed.  A man was caught in the open, and carried 50 yards.

4/12/1903

350 pm

F2

5

n/a

0

0

n/a

G

Formed 4 miles W of St. Jacob and moved ENE to the north of town.  Barns were destroyed and chickens were defeathered.

8/19/1904

n/a

F2

5

70

0

n/a

n/a

G

Formed over St. Louis and crossed the river, just missing a ferry boat.  Several factories were wrecked at Venice, where it looked like "a gigantic twisting cable".    The total damage over the entire track was $100,000.

4/8/1906

n/a

F2

4

n/a

0

0

n/a

G

Formed near St. Jacob and moved ENE to near Highland.  This tore apart a barn and damaged roofs and a church.  Minimal F2.

7/11/1909

1145 am

F2

4

30

0

0

n/a

G

A tornado crossed the Mississippi River after touching down in the river.  As a waterspout, it hit a steamer, driving it into the bridge and docks, dumping people overboard.  Although the was much panic, there were no injuries.  Several barns were destroyed, and 15 homes and two factories were unroofed or damaged as the tornado passed through the west part of Alton.

3/19/1912

1040 am

F2

22

100

0

20

n/a

G

Formed 4 miles S of New Douglas and then moved into Bond County.

3/28/1924

945 pm

F2

1.5

50

0

2

$90,000

G

Moved NE across Alton.  Many homes unroofed or torn apart.

9/29/1927

1250 pm

F3

12

600

7

n/a

$3,000,000

G

Tornado formed in St. Louis and caused extensive damage and death before crossing the river into Granite City.  In Illinois, 1 death occurred in a home and 6 others occurred as crucible of molten metal was overturned.  Debris was carried 50 miles.  Probably F4.   Damage and deaths list are for Illinois.  Total deaths for this tornado were 79 and total injuries 550.   A recent study by Brooks and Doswell (2001) indicated when the damage is adjusted for inflation and wealth in 1997 dollars, this is the second costliest tornado in U.S. history ($1.7 billion realistic).

3/30/1938

553 pm

F3

53

300

0

10

>$150,000

G

Developed near St. Charles MO and passed through the N side of Alton, before moving into Macoupin County.  Losses at Alton were $150,000 as 40 buildings were torn apart, causing 10 injuries.  

3/30/1938

645 am

F3

7

500

0

3

n/a

G

Formed near Glen Carbon and moved NNE, passing 5 miles S of Edwardsville, and ending 3 miles E of that town.  One large brick farm house was destroyed.  That home was also destroyed in 1883.  Other homes were unroofed.  Barns and a tavern were destroyed.

3/2/1940

 330 pm

F2

4

35

0

0

$10,000

G

Moved through the east and north parts of Alton, unroofing 12 homes.  Many others were shifted off their foundations.  A total of 750 buildings sustained damage to some degree.

3/19/1948

630 am

F4

28

400

5

n/a

n/a

G

Tornado formed near Alton and moved NE through Fosterburg before moving into Macoupin County.  The tornado killed 5 people and destroyed 45 homes in Fosterburg, about half of the village.  The tornado killed a total of 33 people and injured 449.  Total damage was $3,600,000.

5/21/1949

450 pm

F4

30

600

5

n/a

n/a

G

Tornado formed near Florissant, MO and moved ENE, striking Wood River and the north edge of Roxanna.  The worst damage was in Wood River were the 5 deaths occurred.  F2 damage occurred at Livingston and Worden.  This tornado produced a total of $1,500,000 and injured 55 people.

1/3/1950

1110 am

F3

3

100

0

0

n/a

NCDC , G

Formed over Spanish Lake, MO and moved NE, striking Hartford and Roxana.  Three homes were destroyed and 11 homes were damaged at Roxana.    Total damage from the tornado was $300,000.

12/2/1950

300 pm

F2

19

50

0

0

n/a

NCDC , G

Formed near Fosterburg and moved ENE, striking 2 miles W of Dorsey and 2 miles N of Prairietown before turning NE into Macoupin County.  

12/2/1950

400 pm

F3

18

200

n/a

n/a

n/a

NCDC , G

Formed near Highland and moved ENE into Bond county where maximum intensity was reached.  This tornado killed a total of 2 people, injured 25, and caused $550,000 of damage.

10/6/1955

445 pm

F1

15

50

0

2

n/a

NCDC 

12/18/1957

320 pm

F2

1

n/a

0

1

n/a

NCDC , G

Nine buildings were damaged or destroyed on the south side of Wood River.

5/3/1958

300 pm

F1

1

10

0

0

n/a

NCDC 

5/3/1958

330 pm

F2

5

10

0

1

n/a

NCDC , G

A barn was destroyed just NW of Godfrey

6/1/1958

1230 am

F2

0.5

100

0

0

n/a

NCDC 

2/10/1959

215 am

F1

n/a

n/a

0

0

n/a

NCDC , G

Tornado caused extensive (F4) damage and 10 deaths in St. Louis before crossing the Mississippi River near the McKinley Bridge  Some factory damage was reported in the Venice-Granite City area. 

10/10/1959

515 pm

F2

49

50

0

0

>$50,000

NCDC 

A tornado caused heavy damage to a farmstead near Fosterburg with lighter damage N of Alton and in Fosterburg.  Collapse of a dairy barn killed 18 cows.

2/9/1960

835 pm

F1

n/a

n/a

0

2

>50,000

NCDC 

One or more tornadoes moved toward the ENE.  Wrecked 8 house trailers and loosened roofs of other buildings at Troy.  Two minor injuries in the only occupied trailer.

6/16/1960

200 pm

F0

n/a

n/a

0

0

>$500

NCDC 

Ripped shingles from a garage, uprooted trees, and felled powerlines at Wood River.

6/22/1960

730 pm

F0

n/a

n/a

0

0

>$500

NCDC 

Small tornado unroofed a barn, uprooted trees, and damaged buildings at Poag.

6/30/1960

100 am

F2

17

n/a

0

0

$5,000,000

NCDC 

Tornado formed near Bethalto and moved SE, destroying 3 hangars.  Forty eight aircraft were destroyed or damaged estimated at near $1,000,000 in damage.  Seven house trailers were overturned totaling $35,000 in damage.  At Bunker Hill, 8 persons were injured after being hit by flying debris.  A mother and 4 children were injured at Godfrey when their house was hurled off its foundation. 

5/16/1967

430 pm

F1

0.5

20

0

0

>$500

NCDC 

Damage to a silo and some small buildings.

6/20/1967

415 pm

n/a

0.8

20

0

0

>$500

NCDC 

Six houses damaged near Mitchell.

6/14/1970

535 pm

F1

 1.5

50

0

0

n/a

NCDC 

Houses in Mitchell received minor structural damage.  A truck camper near one house was blown 100 yards to the N, reportedly after being lifted 300 feet in the air.  Chain was broken which tied a dog to a porch post and dog's body was bound 1 mile to NNE.  Wheat in field to N twisted in circular pattern.  Witnesses reported seeing two funnels, one small one stayed aloft.  At about the same time a pickup truck-camper on I-270 was blown over with only minor injuries to 7 occupants.  A larger truck just ahead was blown into the ditch.

6/17/1973

100 am

F0

n/a

n/a

0

0

n/a

NCDC 

Tornado ripped off the roof in Granite City.

7/29/1973

1030 pm

F2

n/a

n/a

0

0

>$5,000

NCDC 

Tornado produced mild damage to a shopping center and destroyed a mobile home in Pontoon Beach. 

8/10/1974

125 pm

F0

n/a

n/a

0

0

$0

NCDC 

Tornado reported between Worden and Alhambra and caused no damage.

7/28/1976

445 pm

F3

n/a

n/a

0

0

>$5,000

NCDC 

A tornado struck a farm at Grantfork destroying a barn and a machine shed and threw the debris into a nearby field. 

4/10/1978

130 pm

F1

0.5

100

0

0

>$50,000

NCDC 

A small funnel cloud developed just SW of the 200 block of Illinois Avenue of South Roxana and moved NE.  The funnel apparently dropped down 3 times, with the heaviest losses occurring at a trailer court and a lounge.  At the trailer court, a mobile home was overturned and destroyed and 3 other mobile homes were moved off their blocks and damaged.  The roof of the Sports Beat Lounge was blown off and the roof of the Shell Oil canning plant was damaged.  Also affected by the vicious winds were a pickup and camper shell damaged, 2 large trees uprooted, and several limbs knocked off other trees.  Of the damaged mobile homes, all but 2 were tied down by either over-the-top metal straps, anchors to the frame, or both.  The mobile home that was destroyed had both anchors and straps on the front and rear.

4/3/1981

1050 pm

F4

15

567

0

32

>$5,000,000

NCDC 

A tornado traveled 15 miles in a NNE path that was intermittent.  The tornado struck the eastern portion of Granite City at about 10:55 pm destroying 7 homes and damaging 24 others.  A few mobile homes were destroyed in Granite City and about 20 more in Pontoon Beach.  At one location, a pair of hand hedge trimmers were lifted from a yard and driven into the top of a telephone pole.  A closed garage nearby buckled out and and was destroyed and a top of a tree was sheared off.  A car overturned and another was completely turned around while being driven.  The tornado then lifted and touched down 1 mile east of the intersection of I-270 and I-57 where 2 tractor trailers were overturned.  It lifted again and traveled into Edwardsville.  Many homes and business buildings were damaged or destroyed.  A transformer was blown about 1/2 block and there were a number of cases where boards and limbs were driven through walls and windshields.  Pieces of linoleum were driven underneath the molding that was over a vinyl roof of a car.  The tornado finally lifted for the last time on the north edge of town.

4/22/1981

556 pm

F0

6

50

0

0

>$500

NCDC 

A tornado was sighted by the Sheriff 8 miles N of Alton.  A HAM radio operator observed a tornado at Godfrey, 2 miles N of Alton.  Two funnels were also reported east of Fosterburg.  Damage to 2 homes was reported, power lines were downed.

5/1/1983

723 pm

F3

15

1000

0

3

>$5,000,000

NCDC 

A tornado, crossing the Mississippi River from MO, traveled 15 miles through Granite City to Edwardsville and lifted at Route 157, north of I-270.  Six mobile homes were destroyed at the Edwardsville Estates Mobile Home Park and 10 others were damaged.  Roof, building, and tree damage was also reported.  Two shopping centers and a 2 block area was badly damaged in Granite City and a few trees uprooted.  

4/3/1984

535 pm

F0

0.1

n/a

0

0

>$5,000

NCDC 

A tornado caused minor damage to homes in Collinsville.

11/15/1988

1028 pm

F3

9

200

0

0

$1,000,000 

NCDC 

A strong tornado first touched down about 3 miles N of Fairview Heights near Bethel Mine Road and then proceeded NE and moved just E of Collinsville, crossing at the intersection of Kirsch and Liberty Roads and then moved to the SE side of Troy.  Nineteen structures were destroyed in Collinsville and Troy.  The tornado knocked down 3 steel transmission power line towers just to the SW of Troy.  The last report of damage was at 213 East U.S. Route 40 where part of a roof was ripped off a house.  The most severe damage occurred near touch down in St. Clair County.

5/12/1990

445 pm

F1

6

100

0

0

>$50,000

NCDC 

A tornado touched down near New Douglas then skipped NE for about 6 miles.  Many homes were damaged and outbuildings were destroyed along a path that paralleled the Union Pacific Railway into rural Bond County.  A large machine shed, 60 x 126 ft was destroyed.  

6/8/1993

430 pm

F0

0

90

0

0

$50,000

NCDC 

4/13/1998

505 pm

F1

10

75

0

0

$800,000

NCDC 

The same thunderstorm that produced a tornado in St. Louis County produced another in Madison County from Granite City to Edwardsville. The tornado first caused damage on the northwest side of Granite City at the Nameoki Trailer Park where 5 mobile homes were damaged by downed trees. The tornado moved northeast to Pontoon Beach where about 6 homes suffered roof damage. The tornado weakened, but gained strength again and caused damage on the south side of Edwardsville, primarily at the intersection of Center Grove, Goshen, and Troy roads. Several businesses suffered roof damage in this area; among them a floor covering store, an autobody shop, and the Moose Lodge. A nearby daycare also suffered minor roof damage. 

6/14/1998

510 pm

F0

1

100

0

0

$0

NCDC 

The Illinois State Police reported a short lived tornado east of Livingston in open farmland. Trees were uprooted in the area but there was no other damage. A storm chaser photographed the tornado which quickly became rain-wrapped and dissipated. However the storm produced a damaging tornado a few minutes later that moved into Bond County, IL.

6/14/1998

515 pm

F0

1

75

0

0

n/a

NCDC 

A damaging tornado occurred in Madison and Bond counties in southwest Illinois, starting about 615 pm in Madison County just east of New Douglas and moving east into Bond County. This tornado has an almost continuous damage path of nearly 6 miles and a maximum width of 150 yards. Four mobile homes in far northwest Bond County near the Gilmore community were destroyed with 4 people suffering minor injuries. Two farm houses sustained roof damage and 4 farm implement buildings were also destroyed. Numerous trees were also downed along the path.

2/27/1999

1205 pm

F0

0

50

0

0

$0

NCDC 

Law enforcement and several spotters reported a small tornado just northwest of Troy near the intersection of I-270 and I-55/70. The tornado was brief, formed in an open field and did no damage.

4/18/1999

918 pm

F1

1

75

0

1

n/a

NCDC 

A small non-supercell tornado associated with a line of thunderstorms caused 1 injury and damage to 3 farms New Douglas area. Most of the damage was to barns and outbuildings. One home had the roof and a couple of walls of an addition blown away. The garage was also severely damaged. One man suffered cuts and bruises when hit by flying debris.

4/10/2001

835 pm

F1

2

100

0

1

$5,000,000

NCDC 

The 6th and last tornado spawned by the Heavy Precipitation Supercell that moved across the NWS St. Louis, County Warning Area, formed on the east side of Granite City and moved east into south Pontoon Beach. The tornado first damaged an apartment complex near Worthen Park. Two buildings were destroyed with 4 others suffering major to minor damage. Several cars in the parking lot were damaged by flying debris. One person was injured by flying glass. The tornado caused intermittent damage as it moved east across the Legacy Golf Course. Trees were downed and 3 homes suffered roof damage. In southern Pontoon Beach, one house was destroyed as the attached garage was blown away and the entire roof blown off. About 20 other homes/b businesses were damaged before the tornado dissipated.

5/31/2001

208 pm

F0

0

50

0

0

$50,000

NCDC 

A small tornado formed near Highland High School causing minor damage, but a lot of shook up people. The tornado passed over the school gymnasium ripping 6 air conditioner units off their bases. Minor damage also occurred to the roof of the gym and to the ceiling of the second story classrooms. The tornado then crossed Route 160 causing some minor damage to farm outbuildings.

5/30/2004

305 pm

F1

2

70

0

0

n/a

NCDC 

A tornado initially formed near the intersection of Highway 4 and Fruit Road where several trees were damaged. The tornado moved northeast and caused minor roof damage to a couple of homes and more extensive damage to several farm buildings for about 2 miles. Sheet metal from one roof flew at least one-quarter mile. 

7/5/2004

742 pm

F0

0

40

0

0

$0

NCDC 

Local law enforcement reported a brief tornado in an open field east of Edwardsville. 

8/24/2004

115 pm

F0

1

50

0

0

n/a

NCDC 

A small tornado caused a 1 1/4 mile damage path in northeast Alton. Trees were downed at a golf course and a shoe store suffered roof damage. 

4/2/2006

421 pm

F0

5

50

0

0

n/a

NCDC

A small but rather long tornado first formed in Madison County just north of Dorsey. Trees were damaged and roof shingles were blown off a couple of homes. The tornado continued into Macoupin County.

4/2/2006

430 pm

EF1

2

100

0

0

n/a

NCDC

The tornado first formed near the intersection of Ellis and Acorn Roads where it destroyed two grain bins. The tornado traveled across an open field and then hit a farm one quarter mile west of Highway 160. The home sustained minor roof, window and siding damage. A large machine shed was destroyed with debris thrown three quarter to one mile to the northeast. A garage was also destroyed. A number of power poles wee snapped off just south of town along Old Trenton Road. A large ranch home just north of this location sustained considerable roof and window damage. Several large trees in the area were also downed.

5/24/2006

410 pm

F0

0

50

0

0

$20,000

NCDC

A brief tornado destroyed a 60 foot by 105 foot barn along Buchta Road west of Illinois Route 159. Witnesses reported seeing a funnel about 50 feet in the air coming across the property. The building was lifted completely off the ground and then dropped.

7/19/2006

625 pm

F0

0

20

0

0

$0

NCDC

A tornado briefly touched down in a open field south of Edwardsville near Illinois Route 159. No damage or injuries were reported.

7/21/2006

1037 am

F0

4

50

0

0

n/a

NCDC

A tornado first formed south southeast of Troy about 200 yards south of the intersection of East Kirsch Road and Blackjack Road. A machine shed was totally destroyed at this location. The tornado moved rapidly east southeast to Highway 4 near Lilac Road. At this location a farm home sustained severe damage from a large fallen tree while two machine sheds sustained minor damage. Many trees were severed at the top along the tornado path.

7/21/2006

1038 am

F0

6

50

0

0

n/a

NCDC

A tornado first formed near the intersection of Blackjack and Lebanon Roads and moved east southeast at about 50 mph. One farmstead sustained minor machine shed damage while several power poles were downed east of Highway 4. Numerous large trees were severed near the top along the path.

5/4/2007

450 pm

EF0

n/a

n/a

0

0

$0

NCDC

A weak tornado formed in an open area east of Wood River. The tornado lasted for several minutes but moved very little. A local television traffic helicopter filmed the tornado for several minutes.

2/27/2011

11:35 PM

EF1

3

100

0

0

n/a

NCDC

It was determined that an EF1 tornado cut a 100 yard wide, over 3 mile long path through Granite City. The tornado first touched down at approximately 11:35 PM near the intersection of Illinois Route 3 and Rock Road. There, a large storage facility lost much of its roof. The tornado rapidly moved eastward at nearly 60 mph, causing significant tree and roof damage in its path. The tornado reached Maryville Road at around 11:38 PM where it dissipated.

2/27/2011

11:39 PM

EF1

2

150

0

0

n/a

NCDC

The tornado touched down between Edwardsville and Glen Carbon near the intersection of Ginger Creek Drive and Illinois Route 157. There were several cedar trees uprooted at this location. The tornado continued east-northeast through the Ginger Creek Subdivision to the intersection of Center Grove Road and Illinois Route 159. This is where a metal industrial building sustained roof and siding damage. The tornado also crossed the intersection of Center Grove Road and Troy Road where a few signs of local businesses were damaged and a Home Depot sustained some damage to small preconstructed sheds sitting outside. The tornado continued east-northeast to near the intersection of Gerber Road and Governors Parkway where several houses sustained minor roof and siding damage. The tornado dissipated just beyond this location. The path length of this tornado was 2.4 miles long. Most of the damage along the path was rated EF0 with the maximum intensity rated EF1 for some tree damage and the industrial building damage. The maximum path width was 150 yards.

2/27/2011

11:42 PM

EF1

2

50

0

0

n/a

NCDC

The tornado formed just west of Interstate 55 near Mick Road approximately 2 miles north of the Interstate 55/70/255 interchange where a few power poles were knocked over. The tornado crossed Interstate 55 and produced minor tree damage. It continued east-northeast where it produced roof and siding damage to a couple of homes. One home had part of the roof decking on the south side of the house removed while another had a flag pole located well to the north of the structure bent over almost to ground level. This pole was pointing south. Further along the path, a barn was destroyed along Staunton Road with debris strewn several hundred yards across the road into an open field. The tornado continued east-northeast until it snapped several mature pine trees off several feet above the ground along Nealy Lane. The tornado dissipated before reaching Illinois Route 4. The path length was 2 miles. The tornado had a maximum width of 50 yards and maximum intensity of EF1 for the destroyed barn and the snapped pine trees.  

2/27/2011

11:45 PM

EF2

2.7

200

0

1

n/a

NCDC

It was determined that a tornado touched down on Weathervane Road on the west side of Troy at approximately 11:45 PM. It was there that the tornado was at its strongest, an EF2, as it completely removed the roof from a well constructed home. One occupant received a serious head laceration and was treated at a local hospital. The tornado moved eastward at 60 mph, with a damage swath of 100 to 200 yards wide. Numerous trees, power lines, and roofs sustained minor to moderate damage along its path. The tornado continued to near the intersection of North Dewey Street and East Market Street, where it lifted at approximately 11:48 PM. The path length was 2.7 miles long. 

4/22/2011

7:24 PM

EF2

5

150

0

0

n/a

NCDC

The tornado was a long track one that moved through the St. Louis metropolitan area with it being rated an EF4, with only a few minor injuries and no deaths. It moved from west to east across the St. Louis Metropolitan Area, from St. Louis County Missouri eastward across the Mississippi River into Madison County Illinois. The tornado reached a maximum intensity of EF4 on the Enhanced Fujita Scale as it tracked through the community of Bridgeton, just west of Lambert St. Louis International Airport, in St. Louis County. The total path length was 21.3 miles, with a width of up to half a mile. The tornado crossed the Mississippi River from St. Louis County Missouri into Madison County Illinois about 1.5 miles south of the Chain of Rocks Bridge. The tornado continued east to half a mile north of the intersection of Illinois Route 203 and Pontoon Road. Damage east of this intersection included uprooted and snapped trees and three homes had roofs removed. At least one hundred homes were damaged in the area. The maximum damage found was in a neighborhood along Bern and Dawn Avenues. The tornadic damage then curved southeast and ended near the intersection of Alton Street and Pontoon Road. Damage width over this area varied from 50 to 150 yards with a path length of 5.1 miles. The damage east of Illinois Route 203 was rated low-end EF2. The highest wind speeds associated with the EF2 damage were approximately 120 mph.

4/22/2011

7:55 PM

EF2

7

700

0

0

n/a

NCDC

The tornado first touched down 3 miles southwest of Highland in Madison County, just to the east of Bluemound Road around 855 pm. It quickly moved east snapping and uprooting trees. Just before reaching Illinois Route 160, it destroyed a large metal farm building and carried the metal panels about a mile downwind. On Old Trenton Road, it snapped three wooden power poles and snapped trees and caused minor damage to a barn roof on a farmstead. As it continued to move east it widened to 700 yards as it passed south of Highland. It caused significant damage to trees, power poles and farm outbuildings in addition to minor roof damage. Near the intersection of St. Rose Road and Iberg Road, extensive tree damage occurred with one tree falling on a home and a second falling on a prefabricated carport. The tornado continued to move east causing varying degrees of damage to five homes in a subdivision just north of St. Rose Road. The tornado then moved across Waage Road blowing out multiple windows of a farm house and destroying a large metal shed. The tornado then crossed Baumann Road into Clinton County. The maximum intensity for this segment was rated EF2 and was on the ground for 6.5 miles before crossing into Clinton County. The maximum width of damage was 700 yards. As for the entire tornado, it was rated EF2, with maximum wind speeds of 130 mph. The maximum width of the tornado was 700 yards and the total length of the tornado was 18.2 miles. 

8/31/2012

1:50 PM

EF0

0.2

50

0

0

n/a

NCDC

A tornado briefly touched down on the north end of Chouteau Island...north of Interstate 270. No damage was reported.

*Sources BD - Brooks, H. E, and C. A. Doswell:  2001:  Normalized Damage from Major Tornadoes in the United States: 1890-1999.  Wea. Forecasting, 16, 168-176.
G - Grazulis, T. P., 1993: Significant Tornadoes 1680-1991.  A Chronology and Analysis of Events. Environmental Films, Tornado Project, St. Johnsbury, VT.
NCDC - National Climatic Data Center U.S. Local Storms Events Data (www.ncdc.noaa.gov)