Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 95, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 25, 2012, 9:13 PM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 62 min. 7 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 25, 2012, 9:13 PM CDT (02:13 UTC)
- Expired
- Apr 25, 2012, 10:15 PM CDT
- In force
- 62 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Adams County, IL, Brown County, IL, Pike County, IL
The radar
The Lincoln radar (KILX), 127 km from the middle of the area, began a volume at 02:13 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 25, 9:35 PM CDT | HAIL 0.88 | Liberty, IL | |
| Apr 25, 9:35 PM CDT | HAIL 1 | Liberty, IL | HAIL RANGED FROM DIMES TO QUARTERS |
| Apr 25, 9:38 PM CDT | HAIL 1.75 | 13 Ese Quincy, IL | CORRECTING LOCATION |
| Apr 25, 9:46 PM CDT | HAIL 1 | 1 E Richfield, IL | |
| Apr 25, 9:50 PM CDT | HAIL 1 | 6 Se Liberty, IL | 0.75 TO 1 INCH HAIL |
| Apr 25, 9:55 PM CDT | HAIL 1 | Beverly, IL | 0.5 TO 1 INCH HAIL |
| Apr 25, 9:57 PM CDT | HAIL 0.7 | 10 E Liberty, IL |
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 25, 7:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.2 hours before the alert went out and 189 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.
462
WUUS53 KLSX 260213
SVRLSX
ILC001-009-149-260315-
/O.NEW.KLSX.SV.W.0095.120426T0213Z-120426T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
913 PM CDT WED APR 25 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
SOUTHWESTERN BROWN COUNTY IN WEST CENTRAL ILLINOIS...
NORTHEASTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 1015 PM CDT
* AT 908 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CAMP
POINT...AND MOVING SOUTHEAST AT 35 MPH.
HAZARD...PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED. QUARTER SIZE HAIL WAS REPORTED BY
SPOTTERS IN MYERS.
IMPACT...DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
QUARTER SIZE HAIL WAS REPORTED WITH THIS STORM IN MYERS.
* LOCATIONS IMPACTED INCLUDE...
CLAYTON...BUCKHORN...BEVERLY...LIBERTY...MOUND STATION...
RICHFIELD...KELLERVILLE...KINGSTON...FISHHOOK...VERSAILLES...PERRY
AND CHAMBERSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 3984 9056 3983 9056 3979 9059 3977 9060
3976 9061 3975 9109 4010 9140 4014 9110
TIME...MOT...LOC 0212Z 315DEG 31KT 3999 9107
HAIL...1.50IN
WIND...<50 MPH
$$
CVKING4 follow-up statements
990
WWUS53 KLSX 260228
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
928 PM CDT WED APR 25 2012
ILC001-009-149-260315-
/O.CON.KLSX.SV.W.0095.000000T0000Z-120426T0315Z/
PIKE IL-ADAMS IL-BROWN IL-
928 PM CDT WED APR 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
BROWN...SOUTHEASTERN ADAMS AND NORTHEASTERN PIKE COUNTIES IN WEST
CENTRAL ILLINOIS UNTIL 1015 PM CDT...
AT 927 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
BUCKHORN...AND MOVING SOUTHEAST AT 35 MPH.
HAZARD...PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
BUCKHORN...BEVERLY...FISHHOOK...VERSAILLES...PERRY AND CHAMBERSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3999 9129 4003 9092 3984 9056 3983 9056
3979 9059 3977 9060 3976 9061 3975 9109
TIME...MOT...LOC 0228Z 315DEG 31KT 3989 9094
HAIL...1.50IN
WIND...<50 MPH
$$
CVKING049
WWUS53 KLSX 260239
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
939 PM CDT WED APR 25 2012
ILC001-009-149-260315-
/O.CON.KLSX.SV.W.0095.000000T0000Z-120426T0315Z/
PIKE IL-ADAMS IL-BROWN IL-
939 PM CDT WED APR 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
BROWN...SOUTHEASTERN ADAMS AND NORTHEASTERN PIKE COUNTIES IN WEST
CENTRAL ILLINOIS UNTIL 1015 PM CDT...
AT 936 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
BUCKHORN...AND MOVING SOUTHEAST AT 30 MPH.
HAZARD...GOLF BALL SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS. GOLF BALL SIZE HAIL WAS REPORTED
13 MILES SOUTHEAST OF QUINCY.
IMPACT...DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
BEVERLY...BUCKHORN...FISHHOOK...PERRY...VERSAILLES AND CHAMBERSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3993 9120 3999 9085 3984 9056 3983 9056
3979 9059 3977 9060 3976 9061 3975 9103
TIME...MOT...LOC 0238Z 301DEG 26KT 3989 9093
HAIL...1.75IN
WIND...<50 MPH
$$
CVKING405
WWUS53 KLSX 260250
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
950 PM CDT WED APR 25 2012
ILC001-009-149-260315-
/O.CON.KLSX.SV.W.0095.000000T0000Z-120426T0315Z/
PIKE IL-ADAMS IL-BROWN IL-
950 PM CDT WED APR 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
BROWN...SOUTHEASTERN ADAMS AND NORTHEASTERN PIKE COUNTIES IN WEST
CENTRAL ILLINOIS UNTIL 1015 PM CDT...
AT 945 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF BUCKHORN...AND MOVING SOUTHEAST AT 30 MPH.
HAZARD...GOLF BALL SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
PERRY...VERSAILLES AND CHAMBERSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3986 9110 3996 9080 3984 9056 3983 9056
3979 9059 3977 9060 3976 9061 3975 9091
TIME...MOT...LOC 0251Z 301DEG 26KT 3984 9083
HAIL...1.75IN
WIND...<50 MPH
$$
CVKING695
WWUS53 KLSX 260303
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1003 PM CDT WED APR 25 2012
ILC001-009-260313-
/O.CAN.KLSX.SV.W.0095.000000T0000Z-120426T0315Z/
ADAMS IL-BROWN IL-
1003 PM CDT WED APR 25 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BROWN AND
SOUTHEASTERN ADAMS COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3984 9089 3984 9056 3983 9056 3976 9061
3975 9091 3984 9092
TIME...MOT...LOC 0303Z 301DEG 26KT 3979 9073
$$
ILC149-260315-
/O.CON.KLSX.SV.W.0095.000000T0000Z-120426T0315Z/
PIKE IL-
1003 PM CDT WED APR 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
PIKE COUNTY IN WEST CENTRAL ILLINOIS UNTIL 1015 PM CDT...
AT 959 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
GRIGGSVILLE...AND MOVING SOUTHEAST AT 30 MPH.
HAZARD...GOLF BALL SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...DAMAGE TO VEHICLES...ROOFS AND WINDOWS.
LOCATIONS IMPACTED INCLUDE...
CHAMBERSBURG AND GRIGGSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3984 9089 3984 9056 3983 9056 3976 9061
3975 9091 3984 9092
TIME...MOT...LOC 0303Z 301DEG 26KT 3979 9073
HAIL...1.75IN
WIND...<50 MPH
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 54 min |
| Apr 25, 9:50 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 40 min |
| Apr 25, 10:21 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Pike | 39 min |
| Apr 25, 10:53 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 67 min |
| Apr 25, 11:38 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 37 min |
| Apr 25, 11:44 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison, Montgomery | 46 min |
| Apr 25, 11:55 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 50 min |
| Apr 26, 12:18 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison | 42 min |
| Apr 26, 12:45 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 45 min |
| Apr 26, 2:06 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.