Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 181, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 24, 2012, 10:24 AM CDT for Adams County, Illinois. It was in force for 21 min. 1 report 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 24, 2012, 10:24 AM CDT (15:24 UTC)
- Expired
- Jun 24, 2012, 10:45 AM CDT
- In force
- 21 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Adams County, IL
The radar
The Lincoln radar (KILX), 147 km from the middle of the area, began a volume at 15:26 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 24, 10:38 AM CDT | HAIL 0.88 | Loraine, IL |
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 12:00Z, 3.4 hours before the alert went out and 175 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1983 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
204
WUUS53 KLSX 241524
SVRLSX
ILC001-241600-
/O.NEW.KLSX.SV.W.0181.120624T1524Z-120624T1600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1024 AM CDT SUN JUN 24 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 1100 AM CDT
* AT 1021 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEST
POINT...AND MOVING SOUTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
BROKEN.
* LOCATIONS IMPACTED INCLUDE...
MENDON...GOLDEN...CAMP POINT...CLAYTON...WOODVILLE...LORAINE...
CHATTON...LA PRAIRIE...PALOMA...COATSBURG AND COLUMBUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4020 9101 4009 9091 4003 9091 3993 9119
4020 9136
TIME...MOT...LOC 1524Z 335DEG 29KT 4024 9122
HAIL...<.75IN
WIND...60 MPH
$$
TILLY2 follow-up statements
454
WWUS53 KLSX 241528
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1028 AM CDT SUN JUN 24 2012
ILC001-241600-
/O.CON.KLSX.SV.W.0181.000000T0000Z-120624T1600Z/
ADAMS IL-
1028 AM CDT SUN JUN 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
ADAMS COUNTY UNTIL 1100 AM CDT...
AT 1025 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEST POINT...
AND MOVING SOUTHEAST AT 35 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
MENDON...GOLDEN...CAMP POINT...CLAYTON...WOODVILLE...LORAINE...
CHATTON...LA PRAIRIE...PALOMA...COATSBURG AND COLUMBUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4020 9101 4009 9091 4003 9091 3993 9119
4020 9136
TIME...MOT...LOC 1527Z 336DEG 30KT 4021 9121
HAIL...1.00IN
WIND...60 MPH
$$
TILLY644
WWUS53 KLSX 241545
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1045 AM CDT SUN JUN 24 2012
ILC001-241555-
/O.CAN.KLSX.SV.W.0181.000000T0000Z-120624T1600Z/
ADAMS IL-
1045 AM CDT SUN JUN 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ADAMS COUNTY 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 4020 9101 4009 9091 4003 9091 3993 9119
4020 9136
TIME...MOT...LOC 1545Z 333DEG 29KT 4007 9111
$$
TILLYNearby
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.