Alert archive / Illinois / Tornado Warnings in 2011
Tornado Warning 55, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 22, 2011, 9:41 PM CDT for Bond County, Fayette County, Marion County, Illinois. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2011, 9:41 PM CDT (02:41 UTC)
- Expired
- Apr 22, 2011, 10:03 PM CDT
- In force
- 22 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Bond County, IL, Fayette County, IL, Marion County, IL
The radar
The Evansville,IN radar (KVWX), 134 km from the middle of the area, began a volume at 02:42 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.
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, 5:49 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.7 hours before the alert went out and 135 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.
029
WFUS53 KLSX 230241
TORLSX
ILC005-051-121-230330-
/O.NEW.KLSX.TO.W.0055.110423T0241Z-110423T0330Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
941 PM CDT FRI APR 22 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
NORTHERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 1030 PM CDT
* AT 937 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR TAMALCO...OR 9 MILES SOUTHEAST OF
GREENVILLE...AND MOVING EAST AT 40 MPH.
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING TORNADOES.
* LOCATIONS IMPACTED INCLUDE...
VANDALIA...PATOKA...SHOBONIER...KINMUNDY...BROWNSTOWN...FARINA...
ST. ELMO...WRIGHTS CORNER...PITTSBURG...HAGERSTOWN...VERNON...
SHAFTER...ST. PAUL...AVENA...ST. PETER...LOOGOOTEE...ST. JAMES AND
LA CLEDE.
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 3874 8930 3890 8931 3915 8906 3922 8889
3922 8881 3911 8880 3892 8881 3892 8870
3875 8870
TIME...MOT...LOC 0241Z 248DEG 34KT 3883 8923
$$
GLASS2 follow-up statements
121
WWUS53 KLSX 230253
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
953 PM CDT FRI APR 22 2011
ILC005-230303-
/O.CAN.KLSX.TO.W.0055.000000T0000Z-110423T0330Z/
BOND IL-
953 PM CDT FRI APR 22 2011
...THE TORNADO WARNING FOR SOUTHEASTERN BOND COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3876 8915 3893 8914 3903 8903 3909 8887
3911 8880 3892 8881 3892 8870 3875 8870
TIME...MOT...LOC 0253Z 248DEG 34KT 3883 8906
$$
ILC051-121-230330-
/O.CON.KLSX.TO.W.0055.000000T0000Z-110423T0330Z/
MARION IL-FAYETTE IL-
953 PM CDT FRI APR 22 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN FAYETTE AND
NORTHERN MARION COUNTIES UNTIL 1030 PM CDT...
AT 949 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR SHOBONIER...OR 12 MILES SOUTH OF VANDALIA...
MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
KINMUNDY...BROWNSTOWN...FARINA...ST. ELMO...ST. PAUL...AVENA...ST.
PETER...LOOGOOTEE...ST. JAMES AND LA CLEDE.
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 3876 8915 3893 8914 3903 8903 3909 8887
3911 8880 3892 8881 3892 8870 3875 8870
TIME...MOT...LOC 0253Z 248DEG 34KT 3883 8906
$$
GLASS850
WWUS53 KLSX 230303
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1003 PM CDT FRI APR 22 2011
ILC051-121-230314-
/O.CAN.KLSX.TO.W.0055.000000T0000Z-110423T0330Z/
MARION IL-FAYETTE IL-
1003 PM CDT FRI APR 22 2011
...THE TORNADO WARNING FOR SOUTHEASTERN FAYETTE AND NORTHERN MARION
COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
LAT...LON 3876 8915 3893 8914 3903 8903 3909 8887
3911 8880 3892 8881 3892 8870 3875 8870
TIME...MOT...LOC 0304Z 248DEG 34KT 3887 8894
$$
GLASSThe 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, 8:55 PM CDT | Tornado Warning | LSX | Bond, Clinton, Fayette, Madison, Saint Clair | 50 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, 9:51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.