Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 367, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 19, 2011, 3:07 AM CDT for 5 counties in Illinois. It was in force for 38 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
- Jun 19, 2011, 3:07 AM CDT (08:07 UTC)
- Expired
- Jun 19, 2011, 3:45 AM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clinton County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL
The radar
The St Louis radar (KLSX), 104 km from the middle of the area, began a volume at 08:09 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 |
|---|---|---|---|
| Jun 18, 8:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 8.1 hours before the alert went out and 225 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
- 115 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
369
WUUS53 KLSX 190807
SVRLSX
ILC027-133-157-163-189-190845-
/O.NEW.KLSX.SV.W.0367.110619T0807Z-110619T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
307 AM CDT SUN JUN 19 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
EAST CENTRAL MONROE COUNTY IN SOUTHWEST ILLINOIS...
NORTHERN RANDOLPH COUNTY IN SOUTHWEST ILLINOIS...
SOUTHEASTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS...
WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 345 AM CDT
* AT 305 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 NEW MEMPHIS TO SPARTA...AND
MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
NASHVILLE...LIVELY GROVE...COULTERVILLE...GERMANTOWN...OKAWVILLE...
ASHLEY...IRVINGTON...WAMAC...ELKTON...FROGTOWN...OAKDALE...
ADDIEVILLE...BARTELSO...COVINGTON...CORDES...NEW MINDEN...POSEY...
POSEN...HUEGELY AND HOYLETON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS HAVE EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3822 8959 3815 8959 3815 9004 3822 9003
3856 8976 3856 8914 3821 8914
TIME...MOT...LOC 0807Z 270DEG 35KT 3844 8963 3815 8966
WIND...HAIL 60MPH 1.00IN
$$
CVKING1 follow-up statement
746
WWUS53 KLSX 190829
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
329 AM CDT SUN JUN 19 2011
ILC133-163-190838-
/O.CAN.KLSX.SV.W.0367.000000T0000Z-110619T0845Z/
MONROE IL-ST. CLAIR IL-
329 AM CDT SUN JUN 19 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ST. CLAIR AND
EAST CENTRAL MONROE COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 3821 8915 3822 8959 3815 8959 3815 8969
3856 8970 3856 8914 3821 8914
TIME...MOT...LOC 0828Z 270DEG 36KT 3845 8938 3816 8941
$$
ILC027-157-189-190845-
/O.CON.KLSX.SV.W.0367.000000T0000Z-110619T0845Z/
RANDOLPH IL-WASHINGTON IL-CLINTON IL-
329 AM CDT SUN JUN 19 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
CLINTON...WASHINGTON AND NORTHEASTERN RANDOLPH COUNTIES UNTIL 345 AM
CDT...
AT 326 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 7 MILES NORTH OF NASHVILLE TO 6
MILES NORTHWEST OF PINCKNEYVILLE...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
ASHLEY...IRVINGTON...WAMAC...POSEN...HUEGELY...BEAUCOUP...
HOFFMAN...HOYLETON...DU BOIS...RICHVIEW AND RADOM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3821 8915 3822 8959 3815 8959 3815 8969
3856 8970 3856 8914 3821 8914
TIME...MOT...LOC 0828Z 270DEG 36KT 3845 8938 3816 8941
WIND...HAIL 60MPH 1.00IN
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 11:55 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 50 min |
| Jun 19, 1:59 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 46 min |
| Jun 19, 2:07 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 33 min |
| Jun 19, 2:25 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 50 min |
| Jun 19, 2:36 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Monroe, Randolph, Saint Clair, Washington | 39 min |
| Jun 19, 2:56 AM CDT | Tornado Warning | LSX | Monroe, Randolph | 34 min |
| Jun 19, 3:32 AM CDT | Flash Flood Warning | LSX | Bond | 6 hr |
| Jun 19, 4:02 AM CDT | Flash Flood Warning | LSX | Fayette | 6 hr |
| Jun 19, 9:25 AM CDT | Areal Flood Warning | LSX | Bond | 13 hr |
| Jun 19, 9:55 AM CDT | Areal Flood Warning | LSX | Fayette | 6 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.