Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 243, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 5, 2011, 4:29 AM CDT for Adams County, Brown County, Pike County, Illinois; Marion County, Ralls County, Missouri. It was in force for 46 min. 4 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
- Jun 5, 2011, 4:29 AM CDT (09:29 UTC)
- Expired
- Jun 5, 2011, 5:15 AM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Adams County, IL, Brown County, IL, Pike County, IL, Marion County, MO, Ralls County, MO
The radar
The St Louis radar (KLSX), 126 km from the middle of the area, began a volume at 09:31 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 |
|---|---|---|---|
| Jun 5, 4:30 AM CDT | TSTM WND DMG | Quincy, IL | POWER LINES DOWN |
| Jun 5, 4:50 AM CDT | TSTM WND GST 57 | 2 S Adams, IL | |
| Jun 5, 4:55 AM CDT | TSTM WND DMG | Quincy, IL | TREES AND POWER LINES DOWN AT NUMEROUS LOCATIONS THROUGHOUT THE COUNTY |
| Jun 5, 5:09 AM CDT | HAIL 0.7 | Plainville, IL | ALSO VERY WINDY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 9.5 hours before the alert went out and 210 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
- 3326 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.0
The text
As transmitted, in the capitals the NWS used until 2016.
617
WUUS53 KLSX 050929
SVRLSX
ILC001-009-149-MOC127-173-051015-
/O.NEW.KLSX.SV.W.0243.110605T0929Z-110605T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
429 AM CDT SUN JUN 5 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
BROWN COUNTY IN WEST CENTRAL ILLINOIS...
NORTHERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
EASTERN MARION COUNTY IN NORTHEAST MISSOURI...
NORTHEASTERN RALLS COUNTY IN NORTHEAST MISSOURI...
* UNTIL 515 AM CDT
* AT 428 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CLAYTON TO MAYWOOD...AND MOVING
SOUTHEAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
QUINCY...HANNIBAL...MOUNT STERLING...BUCKHORN...PAYSON...FALL
CREEK...BEVERLY...BARRY...GRIGGSVILLE...MOUND STATION...BURTON...
KELLERVILLE...LIBERTY...ADAMS...MARBLEHEAD...RICHFIELD...
KINGSTON...PLAINVILLE...VERSAILLES AND FISHHOOK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.
&&
LAT...LON 3980 9058 3972 9064 3960 9118 3960 9121
3957 9126 3955 9131 3994 9160 3995 9144
3997 9145 4011 9075
TIME...MOT...LOC 0930Z 327DEG 31KT 4002 9090 3994 9154
WIND...HAIL 60MPH 1.00IN
$$
CARNEY1 follow-up statement
013
WWUS53 KLSX 050943
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
443 AM CDT SUN JUN 5 2011
ILC001-009-149-MOC127-173-051015-
/O.CON.KLSX.SV.W.0243.000000T0000Z-110605T1015Z/
PIKE IL-ADAMS IL-BROWN IL-MARION MO-RALLS MO-
443 AM CDT SUN JUN 5 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BROWN...
SOUTHERN ADAMS AND NORTHERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS...
AND NORTHEASTERN RALLS AND EASTERN MARION COUNTIES IN NORTHEAST
MISSOURI UNTIL 515 AM CDT...
AT 438 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM BUCKHORN TO 6 MILES NORTH OF
PALMYRA...MOVING SOUTHEAST AT 35 MPH.
IN ADDITION...AT 427 AM, A 74 MPH WIND GUST WAS REPORTED AT QUINCY
REGIONAL AIRPORT WITH THESE STORMS. GOLFBALL SIZED HAIL WAS ALSO
REPORTED IN PALOMA AT 427 AM.
LOCATIONS IMPACTED INCLUDE...
HANNIBAL...MOUNT STERLING...BUCKHORN...PAYSON...FALL CREEK...
BEVERLY...BARRY...GRIGGSVILLE...KELLERVILLE...LIBERTY...ADAMS...
MARBLEHEAD...RICHFIELD...KINGSTON...PLAINVILLE...VERSAILLES...
FISHHOOK...SEEHORN...PERRY AND CHAMBERSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE ACROSS ADAMS
COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
&&
LAT...LON 3980 9058 3972 9064 3960 9118 3960 9121
3957 9126 3955 9131 3994 9160 3995 9144
3997 9145 4011 9075
TIME...MOT...LOC 0939Z 327DEG 31KT 3995 9085 3988 9149
WIND...HAIL 70MPH 1.75IN
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 3:56 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 49 min |
| Jun 5, 4:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 46 min |
| Jun 5, 5:46 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Macoupin | 44 min |
| Jun 5, 6:33 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Macoupin, Montgomery | 57 min |
| Jun 5, 7:27 AM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Marion, Montgomery | 48 min |
| Jun 5, 7:36 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 23 min |
| Jun 5, 3:23 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Ralls | 40 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2011Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning 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.