Alert archive / Illinois / Tornado Warnings in 2011
Tornado Warning 53, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 22, 2011, 8:55 PM CDT for 5 counties in Illinois. It was in force for 50 min. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 22, 2011, 8:55 PM CDT (01:55 UTC)
- Expired
- Apr 22, 2011, 9:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Madison County, IL, Saint Clair County, IL
The radar
The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 01:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 22, 9:05 PM CDT | TORNADO | 5 N St. Rose, IL | TREES SNAPPED AND UPROOTED...BARNS AND SILOS DEMOLISHED...ALONG THE NORTH AND SOUTH SIDES OF ST. ROSE ROAD FOR SEVERAL MILES. TIME ESTIMATED FROM RADAR |
| Apr 22, 9:05 PM CDT | TORNADO | St. Rose, IL | TREE...SHED...AND HOME DAMAGE SCATTERED FOR SEVERAL MILES THROUGH THE ST ROSE AREA. TIME ESTIMATED FROM RADAR. |
| Apr 22, 9:11 PM CDT | TSTM WND DMG | 3 E Highland, IL | CORRAGATED METAL REMOVED FROM BUILDING...SMALL TREE LIMBS ALSO SNAPPED OFF TREES. |
| Apr 22, 9:15 PM CDT | TSTM WND DMG | Pocahontas, IL | TREES DOWN AND SIDING OFF HOMES ON BOND ROAD |
| Apr 22, 9:17 PM CDT | TSTM WND DMG | 3 W Jamestown, IL | DAMAGE TO A MACHINE SHED...ROOF UPLIFTED...FARM BUILDINGS DAMAGED AND ALSO TREES UPROOTED |
| Apr 22, 9:20 PM CDT | TORNADO | 1 N Jamestown, IL | TREE DAMAGE...APPARENTLY CAUSED BY TORNADO. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 22, 3:34 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 22, 5:49 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.9 hours before the alert went out and 167 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 342 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 492 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 351 m²/s²
- 0-3 km storm-relative helicity
- 346 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
476 WFUS53 KLSX 230155 TORLSX ILC005-027-051-119-163-230245- /O.NEW.KLSX.TO.W.0053.110423T0155Z-110423T0245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 855 PM CDT FRI APR 22 2011 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS... NORTHERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS... SOUTHWESTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS... SOUTHEASTERN MADISON COUNTY IN SOUTHWEST ILLINOIS... NORTHEASTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS... * UNTIL 945 PM CDT * AT 850 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR TROY...AND MOVING EAST AT 45 MPH. THIS STORM HAS A HISTORY OF DESTRUCTIVE TORNADOES. TAKE SHELTER NOW! * LOCATIONS IMPACTED INCLUDE... HIGHLAND...BREESE...CARLYLE...GREENVILLE...TRENTON...AVISTON...ST. ROSE...POCAHONTAS...JAMESTOWN...BECKEMEYER...BEAVER CREEK... TAMALCO...BOULDER...SHATTUC...GRANTFORK...PIERRON...STOLLETOWN... DUDLEYVILLE...SMITHBORO AND HUEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3892 8915 3858 8915 3861 8984 3888 8970 TIME...MOT...LOC 0154Z 264DEG 38KT 3873 8978 $$ GLASS
5 follow-up statements
946 WWUS53 KLSX 230206 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 906 PM CDT FRI APR 22 2011 ILC005-027-051-119-163-230245- /O.CON.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ ST. CLAIR IL-CLINTON IL-MADISON IL-BOND IL-FAYETTE IL- 906 PM CDT FRI APR 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FAYETTE... SOUTHERN BOND...SOUTHEASTERN MADISON...NORTHERN CLINTON AND NORTHEASTERN ST. CLAIR COUNTIES UNTIL 945 PM CDT... AT 903 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HIGHLAND...MOVING EAST AT 50 MPH. THIS STORM HAS A HISTORY OF DAMAGING TORNADOES. LOCATIONS IMPACTED INCLUDE... BREESE...GREENVILLE...CARLYLE...AVISTON...ST. ROSE...POCAHONTAS... JAMESTOWN...BECKEMEYER...BEAVER CREEK...TAMALCO...BOULDER... SHATTUC...PIERRON...STOLLETOWN...DUDLEYVILLE...SMITHBORO...PLEASANT MOUND...HUEY...KEYESPORT AND FERRIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3892 8915 3858 8915 3861 8984 3888 8970 TIME...MOT...LOC 0206Z 271DEG 44KT 3872 8965 $$ GLASS
785 WWUS53 KLSX 230214 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 914 PM CDT FRI APR 22 2011 ILC163-230224- /O.CAN.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ ST. CLAIR IL- 914 PM CDT FRI APR 22 2011 ...THE TORNADO WARNING FOR NORTHEASTERN ST. CLAIR COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3862 8966 3887 8964 3892 8915 3858 8915 TIME...MOT...LOC 0214Z 271DEG 44KT 3873 8957 $$ ILC005-027-051-119-230245- /O.CON.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ CLINTON IL-MADISON IL-BOND IL-FAYETTE IL- 914 PM CDT FRI APR 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FAYETTE... SOUTHERN BOND...SOUTHEASTERN MADISON AND NORTHERN CLINTON COUNTIES UNTIL 945 PM CDT... AT 911 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HIGHLAND...MOVING EAST AT 50 MPH. THIS STORM HAS A HISTORY OF DAMAGING TORNADOES. SEEK SHELTER NOW. LOCATIONS IMPACTED INCLUDE... GREENVILLE...CARLYLE...ST. ROSE...POCAHONTAS...JAMESTOWN...BEAVER CREEK...TAMALCO...BOULDER...SHATTUC...STOLLETOWN...DUDLEYVILLE... SMITHBORO...PLEASANT MOUND...HUEY...KEYESPORT...FERRIN AND PITTSBURG. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3862 8966 3887 8964 3892 8915 3858 8915 TIME...MOT...LOC 0214Z 271DEG 44KT 3873 8957 $$ GLASS
432 WWUS53 KLSX 230218 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 918 PM CDT FRI APR 22 2011 ILC119-230228- /O.CAN.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ MADISON IL- 918 PM CDT FRI APR 22 2011 ...THE TORNADO WARNING FOR SOUTHEASTERN MADISON COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3862 8960 3886 8959 3892 8915 3858 8915 TIME...MOT...LOC 0218Z 271DEG 44KT 3874 8953 $$ ILC005-027-051-230245- /O.CON.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ CLINTON IL-BOND IL-FAYETTE IL- 918 PM CDT FRI APR 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FAYETTE... SOUTHERN BOND AND NORTHERN CLINTON COUNTIES UNTIL 945 PM CDT... ...TORNADO LIKELY WITH THIS STORM... AT 916 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY STRONG INDICATIONS OF A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR JAMESTOWN...OR 6 MILES EAST OF HIGHLAND...MOVING EAST AT 50 MPH. LOCATIONS IMPACTED INCLUDE... CARLYLE...JAMESTOWN...BEAVER CREEK...TAMALCO...BOULDER...SHATTUC... STOLLETOWN...DUDLEYVILLE...PLEASANT MOUND...HUEY...KEYESPORT... FERRIN AND PITTSBURG. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3862 8960 3886 8959 3892 8915 3858 8915 TIME...MOT...LOC 0218Z 271DEG 44KT 3874 8953 $$ GLASS
983 WWUS53 KLSX 230224 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 924 PM CDT FRI APR 22 2011 ILC005-027-051-230245- /O.CON.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ CLINTON IL-BOND IL-FAYETTE IL- 924 PM CDT FRI APR 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FAYETTE... SOUTHERN BOND AND NORTHEASTERN CLINTON COUNTIES UNTIL 945 PM CDT... AT 920 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR JAMESTOWN...OR 9 MILES NORTH OF BREESE...MOVING EAST AT 50 MPH. THIS STORM HAS A HISTORY OF DAMAGING TORNADOES. TORNADIC DAMAGE HAS BEEN REPORTED IN HIGHLAND ILLINOIS. LOCATIONS IMPACTED INCLUDE... BEAVER CREEK...TAMALCO...BOULDER...SHATTUC...PLEASANT MOUND... KEYESPORT...FERRIN AND PITTSBURG. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3866 8955 3885 8954 3892 8915 3858 8915 TIME...MOT...LOC 0224Z 271DEG 44KT 3874 8944 $$ GLASS
531 WWUS53 KLSX 230235 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 935 PM CDT FRI APR 22 2011 ILC005-027-051-230245- /O.CON.KLSX.TO.W.0053.000000T0000Z-110423T0245Z/ CLINTON IL-BOND IL-FAYETTE IL- 935 PM CDT FRI APR 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FAYETTE... SOUTHEASTERN BOND AND NORTHEASTERN CLINTON COUNTIES UNTIL 945 PM CDT... AT 933 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR TAMALCO...OR 8 MILES SOUTHEAST OF GREENVILLE...MOVING EAST AT 40 MPH. THIS STORM HAS A HISTORY OF DAMAGING TORNADOES. SEEK SHELTER NOW. LOCATIONS IMPACTED INCLUDE... SHATTUC...BOULDER...PLEASANT MOUND AND PITTSBURG. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3864 8943 3886 8944 3892 8915 3858 8915 TIME...MOT...LOC 0235Z 248DEG 34KT 3880 8931 $$ GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:59 PM CDT | Tornado Warning | LSX | Madison, Saint Clair | 46 min |
| Apr 22, 8:21 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 39 min |
| Apr 22, 8:33 PM CDT | Tornado Warning | LSX | Madison, Saint Clair | 42 min |
| Apr 22, 8:48 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 57 min |
| Apr 22, 9:01 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 20 min |
| Apr 22, 9:24 PM CDT | Tornado Warning | LSX | Clinton, Washington | 36 min |
| Apr 22, 9:30 PM CDT | Flash Flood Warning | LSX | Monroe, Saint Clair | 5 hr |
| Apr 22, 9:41 PM CDT | Tornado Warning | LSX | Bond, Fayette, Marion | 22 min |
| Apr 22, 9:51 PM CDT | Flash Flood Warning | LSX | Clinton, Washington | 5 hr |
| Apr 22, 9:59 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion, Washington | 11 min |
| Apr 22, 10:31 PM CDT | Tornado Warning | LSX | Monroe, Randolph, Saint Clair | 44 min |
| Apr 22, 10:55 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph | 6 hr |
| Apr 22, 11:38 PM CDT | River Flood Warning | LSX | Brown | 25 days |
| Apr 22, 11:38 PM CDT | River Flood Warning | LSX | Morgan, Pike | 25 days |
| Apr 22, 11:38 PM CDT | River Flood Warning | LSX | Pike, Scott | 31 days |
| Apr 22, 11:53 PM CDT | River Flood Warning | LSX | Saint Clair | 14 days |
| Apr 23, 4:23 AM CDT | Flash Flood Warning | LSX | Monroe, Randolph | 8 hr |
| Apr 23, 12:29 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph | 6 hr |
| Apr 23, 6:22 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph | 6 hr |
Nearby
Tornado Warnings in Illinois, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.