Overview
Numerous severe thunderstorms formed ahead of an approaching cold front across southeast Missouri during the evening hours of Sunday, October 24th, 2021. As the storms moved northeastward, they moved into a moist, energy-rich environment with substantial wind shear in the low and mid-levels. They quickly grew intensified, remaining somewhat isolated as they moved through southeast Missouri and into southwest Illinois. The environment was very favorable for tornadic development, and these storms produced several tornadoes and wind damage as they moved through the area. Two storms produced tornadoes that remained on the ground for significant distances. The tornado that moved through Fredericktown, MO, passing through Madison County into Perry County, was on the ground for 18.9 miles. Another tornado moved from St. Francois County through St. Genevieve County in Missouri into Randolph County in Illinois, staying on the ground for over 40 miles.
Tornadoes
Tornado - Fredericktown, MO
Track Map Downloadable KMZ File |
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Tornado - Coffman, MO
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Tornado - St. Mary, MO/Chester, IL
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Tornado - Johnson Shut-Ins S.P., MO
Track Map Downloadable KMZ File |
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Tornado - Iron and Madison County MO
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Tornado - Washington County IL
Track Map Downloadable KMZ File |
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
Photos & Video
Fredericktown Tornado
Significant damage to the Black River Electric Cooperative off of Highway 67 in Fredericktown, MO (STL Post-Dispatch, Robert Cohen) | A picture of the tornado that would eventually hit Fredericktown, MO taken 12 miles east of Arcadia, MO (Facebook, David Carson) | A home significantly damaged by the tornado near Fredericktown, MO (STL Post-Dispatch, Colter Peterson) |
A house west of Fredericktown is largely destroyed by the tornado. Portions of the kitchen and flooring are still discernable (NWS Storm Survey) | Large sections of a house's roof were torn off, though most walls remained standing north of Fredericktown (NWS Storm Survey) | A storage building was destroyed by the tornado north of Fredericktown near Highway 67 (NWS Storm Survey) |
Coffman, MO/St. Mary, MO/Chester, IL Tornado
Significant damage to a home near Coffman, MO (NWS Storm Survey) | A Quonset hut destroyed by a tornado in Bremen, IL (STL Post-Dispatch, David Carson) | A nursing home's roof was damaged by a tornado near Chester, IL (STL Post-Dispatch, David Carson) |
An antique mall was heavily damaged in St. Mary, MO (STL Post-Dispatch, Colter Peterson) |
Trees, a vehicle, and a barn destroyed by the tornado in Liberty Township, MO, southwest of Coffman (NWS Storm Survey) | Walls of a home collapsed and a majority of the structure is either destroyed or heavily damaged southwest of Coffman, MO (NWS Storm Survey) | The tornado tore off the roof and a side of this house in Coffman, MO. Parts of the kitchen and front door remain intact, as well as the basement level (NWS Storm Survey) | A garage was completely destroyed by the tornado in Chester, IL (NWS Storm Survey) |
Radar
Fredericktown, MO Tornado |
Coffman, MO/St. Mary, MO/Chester, IL Tornado |
A 4-panel image of radar data from KLSX as a tornado hit Fredericktown, MO at 8:57pm CDT. Clockwise from the top left: 0.5° Reflectivity, 0.5° Storm-Relative Velocity, 0.5° Correlation Coefficient, and 0.5° Differential Reflectivity. Note the strong rotation signature (top-right, reds and blues close together) collocated with lower CC values (bottom left, blue colors) and higher reflectivity values (top left, yellow/red colors), indicating a tornadic debris signature (TDS). | A 4-panel image of radar data from KLSX as a tornado hit St. Mary, MO at 9:09pm CDT and moved toward Chester, IL. Clockwise from the top left: 0.5° Reflectivity, 0.5° Storm-Relative Velocity, 0.5° Correlation Coefficient, and 0.5° Differential Reflectivity. Note the strong rotation signature (top-right, reds and blues close together) collocated with lower CC values (bottom left, blue colors) and higher reflectivity values (top left, yellow/red colors), indicating a tornadic debris signature (TDS). The persistent presence of a TDS (indicating a strong tornado) approaching a populated at night prompted NWS St. Louis to issue a Tornado Emergency for Chester, IL. |
Storm Reports
000 NWUS53 KLSX 281341 LSRLSX PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 841 AM CDT THU OCT 28 2021 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0500 AM HEAVY RAIN 3 WNW NEWARK 40.01N 92.03W 10/24/2021 M3.23 INCH KNOX MO MESONET MESONET STATION NWKM7 3.0 W NEWARK. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. 0515 AM HEAVY RAIN 1 W QUINCY 39.93N 91.41W 10/24/2021 M2.55 INCH ADAMS IL MESONET MESONET STATION UINI2 1.4 W QUINCY. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. 0520 AM HEAVY RAIN 1 ESE PERRY 39.78N 90.73W 10/24/2021 M2.16 INCH PIKE IL MESONET MESONET STATION 2436D PERRY. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. 0528 AM HEAVY RAIN 2 ESE QUINCY 39.93N 91.35W 10/24/2021 M3.42 INCH ADAMS IL MESONET MESONET STATION FW7893 QUINCY. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. 0528 AM HEAVY RAIN 1 SSE QUINCY 39.92N 91.38W 10/24/2021 M2.86 INCH ADAMS IL MESONET MESONET STATION FW3305 QUINCY. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. 0530 AM HEAVY RAIN 1 ENE NOVELTY 40.02N 92.19W 10/24/2021 M4.39 INCH KNOX MO MESONET MESONET STATION MOA08 1 ENE NOVELTY. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. 0408 PM TSTM WND DMG NEW LONDON 39.59N 91.40W 10/24/2021 RALLS MO LAW ENFORCEMENT TREE DOWN IN NEW LONDON NEAR THE SHERIFFS OFFICE. 0523 PM TSTM WND DMG 1 NNE PIKE 39.47N 91.03W 10/24/2021 PIKE IL STORM CHASER AT LEAST 10 MEDIUM TO SMALL SIZED TREES UPROOTED NEAR HIGHWAY 54. 0539 PM TSTM WND DMG GRIGGSVILLE 39.71N 90.73W 10/24/2021 PIKE IL LAW ENFORCEMENT POWER LINES DOWN IN GRIGGSVILLE. TIME ESTIMATED FROM RADAR. 0557 PM FLASH FLOOD CLAYTON 40.03N 90.96W 10/24/2021 ADAMS IL LAW ENFORCEMENT MULTIPLE ROADS WASHED OUT IN TOWN OF CLAYTON INCLUDING N 1353RD LANE. 0638 PM TSTM WND DMG 2 ESE GUTHRIE 38.74N 92.06W 10/24/2021 CALLAWAY MO LAW ENFORCEMENT TREES DOWN OVER THE ROADWAY. 0640 PM HAIL 1 WNW JEFFERSON CITY 38.58N 92.20W 10/24/2021 E0.25 INCH COLE MO PUBLIC CALLER REPORTS PEA SIZED HAIL. 0645 PM TSTM WND DMG 2 WSW TEBBETTS 38.61N 92.00W 10/24/2021 CALLAWAY MO LAW ENFORCEMENT TREES OVER HIGHWAY 94 AND AA. 0714 PM TSTM WND DMG 2 ENE PORTLAND 38.72N 91.68W 10/24/2021 CALLAWAY MO LAW ENFORCEMENT TREE OVER THE ROAD AT 10591 STATE HIGHWAY 94. 0718 PM TSTM WND DMG NEW FLORENCE 38.91N 91.45W 10/24/2021 MONTGOMERY MO LAW ENFORCEMENT TREES DOWN IN NEW FLORENCE. 0731 PM TSTM WND DMG 4 SSE LOUISIANA 39.39N 91.03W 10/24/2021 PIKE MO TRAINED SPOTTER SPOTTER REPORTS A LARGE TREE DOWN IN THEIR YARD. 0743 PM TORNADO JOHNSON'S SHUT-INS 37.53N 90.85W 10/24/2021 REYNOLDS MO NWS STORM SURVEY A TORNADO TOUCHED DOWN JUST OUTSIDE OF JOHNSON`S SHUT INS STATE PARK ON HIGHWAY N, EAST OF BLACK, MO. THIS TORNADO SNAPPED THE TRUNKS OF SEVERAL LARGE TREES ALONG THE ROAD BEFORE MOVING INTO THE PARK WHERE IT CAUSED WIDESPREAD TREE DAMAGE. PEAK WINDS ARE ESTIMATED AT 105 MPH. THE TORNADO TRAVELED JUST OVER 1 MILE, AND WAS 100 YARDS WIDE AT ITS MAXIMUM WIDTH. THE PERIOD OF THE TORNADO EVENT WAS 3 MINUTES. 0823 PM TORNADO SAINT MARY 37.88N 89.95W 10/24/2021 STE. GENEVIEVE MO NWS STORM SURVEY *** 1 INJ *** CORRECTS PREVIOUS TORNADO REPORT FROM SAINT MARY. A TORNADO TOUCHED DOWN IN ST. FRANCOIS COUNTY AT 8:23 PM AND MOVED NORTHEAST THROUGH STE. GENEVIEVE COUNTY AND THROUGH ST. MARY, MO. EF-3 DAMAGE WAS SURVEYED IN STE GENEVIEVE COUNTY. THE TORNADO CROSSED THE MISSISSIPPI RIVER AND CAUSED EF-2 DAMAGE IN CHESTER, IL BEFORE LIFTING NORTHEAST OF CHESTER OVER AN HOUR AFTER TOUCHING DOWN. THE PERIOD OF THE TORNADO EVENT WAS 1 HOUR 5 MINUTES. 0825 PM TORNADO 3 SE FARMINGTON 37.75N 90.39W 10/24/2021 ST. FRANCOIS MO TRAINED SPOTTER FOUR HOUSES DESTROYED NEAR POSSUM HOLLOW RD AND OLD FREDERICKTOWN RD. 0825 PM TORNADO 2 SSW LIBERTYVILLE 37.68N 90.31W 10/24/2021 ST. FRANCOIS MO LAW ENFORCEMENT HOUSE COMPLETELY DESTROYED ON OLD FREDERICKTOWN RD; INJURIES UNKNOWN. 0830 PM TORNADO 6 E CHLORIDE 37.47N 90.59W 10/24/2021 IRON MO NWS STORM SURVEY A TORNADO BRIEFLY TOUCHED DOWN ALONG HIGHWAY E IN SOUTHERN IRON COUNTY, MO. THIS TORNADO UPROOTED SEVERAL TREES AND BROKE BRANCHES ON NUMEROUS OTHER TREES. THE TORNADO CONTINUED INTO A FIELD WHERE IT DAMAGED A MANUFACTURED HOME. AFTER LIFTING, THE STORM THAT PRODUCED THIS TORNADO WENT ON TO PRODUCE THE FREDERICKTOWN TORNADO. PEAK WINDS ARE ESTIMATED AT 95 MPH. THE TORNADO TRAVELED 0.3 MILES AND HAD A MAXIMUM WIDTH OF 50 YARDS. THE PERIOD OF THE TORNADO EVENT WAS 1 MINUTE. 0847 PM TORNADO FREDERICKTOWN 37.57N 90.33W 10/24/2021 MADISON MO NWS STORM SURVEY *** 1 INJ *** A TORNADO TOUCHED DOWN SOUTHWEST OF FREDERICKTOWN, MO AT 8:47PM ON 10/24 AND TRACKED THROUGH THE TOWN CAUSING UP TO EF-3 DAMAGE. THE TORNADO TRAVELED 18.9 MILES WITH A MAXIMUM WIDTH OF 880 YARDS AND ESTIMATED PEAK WINDS OF 150 MPH. THE TORNADO LIFTED NORTHEAST OF UPPER WHITEWATER CREEK IN PERRY COUNTY, MO. THE PERIOD OF THE TORNADO EVENT WAS 28 MINUTES. 0856 PM TORNADO FREDERICKTOWN 37.56N 90.29W 10/24/2021 MADISON MO PUBLIC TWITTER VIDEO OF DESTROYED CAMPER ON ROAD. 0856 PM TORNADO JUNCTION CITY 37.57N 90.30W 10/24/2021 MADISON MO FIRE DEPT/RESCUE NUMEROUS TREES UPROOTED/SNAPPED AND POWER POLES SNAPPED. SEVERAL METAL ROOFS LIFTED OFF OF HOUSES. 0856 PM TORNADO FREDERICKTOWN 37.56N 90.30W 10/24/2021 MADISON MO BROADCAST MEDIA BLACK RIVER ELECTRIC DAMAGED AS WELL AS A STORAGE BUILDING AND LOCAL FIRE STATION IN TOWN. 0912 PM TSTM WND DMG 1 SW ARNOLD 38.41N 90.38W 10/24/2021 JEFFERSON MO PUBLIC LARGE TREE DOWN IN THE TOWN OF ARNOLD - VIA FACEBOOK. 0912 PM TSTM WND DMG ARNOLD 38.43N 90.38W 10/24/2021 JEFFERSON MO PUBLIC A LARGE TREE DOWN IN THE TOWN OF ARNOLD - REPORT VIA FACEBOOK. 0916 PM TORNADO CHESTER 37.91N 89.82W 10/24/2021 RANDOLPH IL PUBLIC LARGE TREES UPWARDS OF 18 INCHES IN DIAMETER HAVE BEEN UPROOTED. SMALL BOATS HAVE BEEN BLOWN. TIME ESTIMATED FROM RADAR. 0925 PM TORNADO 1 E BREMEN 37.97N 89.74W 10/24/2021 RANDOLPH IL TRAINED SPOTTER POWER LINES DOWN ALONG ROUTE 150. 0931 PM TORNADO 2 WNW STEELEVILLE 38.03N 89.70W 10/24/2021 RANDOLPH IL TRAINED SPOTTER MACHINE SHED MANGLED AND WIDESPREAD TREE DAMAGE. DEBRIS ALSO ON THE ROAD. 0937 PM TSTM WND DMG 1 SSE SWANSEA 38.53N 89.98W 10/24/2021 ST. CLAIR IL PUBLIC LARGE TREE LIMB DOWN ON A FENCE IN SWANSEA, IL. 0941 PM TSTM WND DMG NEW MINDEN 38.44N 89.37W 10/24/2021 WASHINGTON IL TRAINED SPOTTER WIND BLEW CAR OFF ROAD. 0941 PM TSTM WND DMG 1 SSE O'FALLON 38.58N 89.91W 10/24/2021 ST. CLAIR IL LAW ENFORCEMENT TREE BLOCKING DARTMOUTH DR AT WHITEHALL DR. 0944 PM TSTM WND DMG 1 S SCOTT AFB 38.53N 89.85W 10/24/2021 ST. CLAIR IL PUBLIC FACEBOOK REPORT AND PHOTOGRAPHS SHOW ROOF OF STORAGE BUILDING AT AIR FORCE BASE STORAGE WAS BLOWN EAST ONTO ADJACENT HOUSE ALONG STATE ROUTE 161 E NEAR THE INTERSECTION OF HANNAH CHASE CT. 0944 PM TSTM WND GST 1 SE SCOTT AFB 38.53N 89.83W 10/24/2021 M62 MPH ST. CLAIR IL AWOS AWOS STATION KBLV SCOTT AIR FORCE BASE. 0944 PM TSTM WND GST 1 SE SCOTT AFB 38.53N 89.83W 10/24/2021 M62 MPH ST. CLAIR IL AWOS AWOS STATION KBLV SCOTT AIR FORCE BASE. 0945 PM TSTM WND DMG CHESTER 37.91N 89.82W 10/24/2021 RANDOLPH IL PUBLIC FROM TWITTER: CHESTER HAS LOST ITS FIRE HOUSE. 0947 PM TSTM WND DMG MASCOUTAH 38.51N 89.81W 10/24/2021 ST. CLAIR IL EMERGENCY MNGR POLE BARN LIFTED, FLIPPED, AND LAID ON A BUSINESS 30 FT TO THE EAST. 0950 PM TSTM WND DMG 1 WNW SWANSEA 38.55N 90.01W 10/24/2021 ST. CLAIR IL TRAINED SPOTTER REPORTS OF 60 MPH WIND GUSTS, MEDIUM TREE BRANCHES DOWN, AND POWER OUTAGES NEAR JOYCE DRIVE. 0953 PM TORNADO 2 NNW RICHVIEW 38.40N 89.19W 10/24/2021 WASHINGTON IL NWS STORM SURVEY A WEAK EF0 TORNADO TOUCHED DOWN IN EXTREME EASTERN WASHINGTON COUNTY ILLINOIS WEST OF THE INTERSECTION OF TOWER AND CHESTNUT ROAD. IT TRAVELED NORTHEAST FOR APPROXIMATELY 2 MILES CAUSING DAMAGE TO TREES AND MINOR STRUCTURAL DAMAGE TO A HOUSE AND OUTBUILDINGS. THE TORNADO LIFTED SOUTHWEST OF THE INTERSECTION OF US HIGHWAY 51 AND HOLLY ROAD. DEBRIS FROM THIS TORNADO WAS EVIDENT ON RADAR WELL INTO SOUTHERN MARION COUNTY AND WAS LIKELY DUE TO THE CORN THAT WAS LOFTED. THE MAXIMUM WIDTH OF THE TORNADO WAS 100 YARDS AND MAXIMUM WIND SPEED WAS 85 MPH BASED ON THE DAMAGE THAT OCCURRED. THE PERIOD OF THE TORNADO EVENT WAS 2 MINUTES. 0953 PM TSTM WND DMG 1 S CENTRALIA 38.51N 89.13W 10/24/2021 MARION IL LAW ENFORCEMENT A FEW LIMB DOWN ON MAPLE STREET. 0954 PM TORNADO 2 NW RICHVIEW 38.40N 89.21W 10/24/2021 WASHINGTON IL LAW ENFORCEMENT TREES UPROOTED AND SNAPPED NEAR I-64 AT MILE MARKER 59.5. LARGE TREE ON RESIDENCE ON CHESTNUT ROAD. BARN ROOF RIPPED OFF. 1000 PM TSTM WND GST AVISTON 38.61N 89.61W 10/24/2021 E65 MPH CLINTON IL PUBLIC SPOTTER REPORTS ESTIMATED WIND GUST OF 65 MPH AND PEA SIZED HAIL. 1004 PM TSTM WND GST AVISTON 38.61N 89.61W 10/24/2021 E65 MPH CLINTON IL TRAINED SPOTTER SPOTTER REPORTS WIND GUST ESTIMATE OF 65 MPH AND PEA SIZED HAIL. && $$
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