Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 46, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 25, 2012, 11:55 PM CDT for 4 counties in Illinois. It was in force for 65 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 25, 2012, 11:55 PM CDT (04:55 UTC)
- Expired
- Apr 26, 2012, 1:00 AM CDT
- In force
- 65 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Clay County, IL, Effingham County, IL, Jasper County, IL, Richland County, IL
The radar
The Evansville,IN radar (KVWX), 92 km from the middle of the area, began a volume at 04:57 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 25, 7:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.9 hours before the alert went out and 150 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
- 1745 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
119
WUUS53 KILX 260455
SVRILX
ILC025-049-079-159-260600-
/O.NEW.KILX.SV.W.0046.120426T0455Z-120426T0600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1155 PM CDT WED APR 25 2012
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
SOUTHERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
SOUTHERN JASPER COUNTY IN SOUTHEAST ILLINOIS...
RICHLAND COUNTY IN SOUTHEAST ILLINOIS...
* UNTIL 100 AM CDT.
* AT 1154 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTHWEST OF EDGEWOOD...
OR 15 MILES SOUTHWEST OF EFFINGHAM...AND MOVING EAST AT 55 MPH.
NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
* LOCATIONS IMPACTED INCLUDE...
FLORA...NEWTON...OLNEY...EDGEWOOD...WATSON...IOLA...XENIA...
LOUISVILLE...BIBLE GROVE...INGAHAM...SAILOR SPRINGS...CLAY CITY...
BOGOTA...NOBLE...SCHNELL...WEST LIBERTY...DUNDAS...STE. MARIE...
CALHOUN AND CLAREMONT.
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.
&&
LAT...LON 3862 8866 3867 8871 3891 8870 3891 8881
3911 8881 3897 8795 3859 8793
TIME...MOT...LOC 0455Z 288DEG 47KT 3896 8874
WIND...HAIL 60MPH 0.88IN
$$
AUTEN3 follow-up statements
434 WWUS53 KILX 260532 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1232 AM CDT THU APR 26 2012 ILC025-049-079-159-260600- /O.CON.KILX.SV.W.0046.000000T0000Z-120426T0600Z/ JASPER IL-RICHLAND IL-CLAY IL-EFFINGHAM IL- 1232 AM CDT THU APR 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN EFFINGHAM...EASTERN CLAY...RICHLAND AND SOUTHERN JASPER COUNTIES UNTIL 100 AM CDT... AT 1229 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR NOBLE...OR 10 MILES WEST OF OLNEY...MOVING EAST AT 55 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS. LOCATIONS IMPACTED INCLUDE... OLNEY...WEST LIBERTY...DUNDAS...STE. MARIE...CALHOUN...CLAREMONT... OLNEY NOBLE AIRPORT AND BERRYVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3862 8853 3906 8849 3897 8795 3859 8793 TIME...MOT...LOC 0532Z 288DEG 47KT 3874 8821 WIND...HAIL 60MPH 0.75IN $$ AUTEN
888 WWUS53 KILX 260549 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1249 AM CDT THU APR 26 2012 ILC049-079-260559- /O.CAN.KILX.SV.W.0046.000000T0000Z-120426T0600Z/ JASPER IL-EFFINGHAM IL- 1249 AM CDT THU APR 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN EFFINGHAM AND SOUTHERN JASPER COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT THE WARNED AREA. LAT...LON 3885 8825 3885 8795 3859 8793 3861 8841 TIME...MOT...LOC 0549Z 288DEG 47KT 3867 8794 $$ ILC025-159-260600- /O.CON.KILX.SV.W.0046.000000T0000Z-120426T0600Z/ RICHLAND IL-CLAY IL- 1249 AM CDT THU APR 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CLAY AND RICHLAND COUNTIES UNTIL 100 AM CDT... AT 1246 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CLAREMONT...OR 6 MILES SOUTHEAST OF OLNEY...MOVING EAST AT 55 MPH. LOCATIONS IMPACTED INCLUDE... BERRYVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3885 8825 3885 8795 3859 8793 3861 8841 TIME...MOT...LOC 0549Z 288DEG 47KT 3867 8794 WIND...HAIL 60MPH <.75IN $$ AUTEN
583 WWUS53 KILX 260600 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 100 AM CDT THU APR 26 2012 ILC025-159-260611- /O.EXP.KILX.SV.W.0046.000000T0000Z-120426T0600Z/ RICHLAND IL-CLAY IL- 100 AM CDT THU APR 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLAY AND RICHLAND COUNTIES HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. LAT...LON 3885 8825 3885 8795 3859 8793 3861 8841 TIME...MOT...LOC 0549Z 288DEG 47KT 3867 8794 $$ AUTEN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 9:55 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 65 min |
| Apr 26, 2:38 AM CDT | Special Weather Statement | ILX | Clay | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2012Every severe thunderstorm warning in 2012
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.