Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 63, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 6, 2012, 2:06 PM CDT for Knox County, Peoria County, Stark County, Illinois. It was in force for 54 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
- May 6, 2012, 2:06 PM CDT (19:06 UTC)
- Expired
- May 6, 2012, 3:00 PM CDT
- In force
- 54 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Knox County, IL, Peoria County, IL, Stark County, IL
The radar
The Quad Cities radar (KDVN), 77 km from the middle of the area, began a volume at 19:06 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 |
|---|---|---|---|
| May 6, 2:23 PM CDT | HAIL 0.75 | 2 Ne Victoria, 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 |
|---|---|---|---|
| May 6, 1:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 7.1 hours before the alert went out and 73 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
- 2361 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.6
The text
As transmitted, in the capitals the NWS used until 2016.
434
WUUS53 KILX 061906
SVRILX
ILC095-143-175-062000-
/O.NEW.KILX.SV.W.0063.120506T1906Z-120506T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
206 PM CDT SUN MAY 6 2012
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KNOX COUNTY IN WEST CENTRAL ILLINOIS...
NORTHWESTERN PEORIA COUNTY IN CENTRAL ILLINOIS...
STARK COUNTY IN NORTH CENTRAL ILLINOIS...
* UNTIL 300 PM CDT.
* AT 204 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
ONEIDA...OR 12 MILES NORTHEAST OF GALESBURG...AND MOVING EAST AT 15
MPH.
* LOCATIONS IMPACTED INCLUDE...
ALTONA...VICTORIA...WILLIAMSFIELD...ELMORE...LAURA...LA FAYETTE...
WEST JERSEY...TOULON...WYOMING...ELMIRA...OSCEOLA...CASTLETON...
BRADFORD...DAHINDA...SNAKE DEN HOLLOW...DUNCAN AND MONICA.
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 4123 8964 4098 8964 4072 9045 4105 9044
4116 9010 4116 8988 4122 8987 4124 8982
TIME...MOT...LOC 1907Z 257DEG 11KT 4104 9016
WIND...HAIL 60MPH 1.00IN
$$
CHS3 follow-up statements
510
WWUS53 KILX 061929
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
229 PM CDT SUN MAY 6 2012
ILC095-143-175-062000-
/O.CON.KILX.SV.W.0063.000000T0000Z-120506T2000Z/
PEORIA IL-STARK IL-KNOX IL-
229 PM CDT SUN MAY 6 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR KNOX...STARK
AND NORTHWESTERN PEORIA COUNTIES UNTIL 300 PM CDT...
AT 224 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
VICTORIA...OR 14 MILES SOUTHWEST OF KEWANEE...MOVING EAST AT 15 MPH.
IN ADDITION...AT 223 PM DIME SIZED HAIL WAS REPORTED WITH THIS STORM
2 MILES NORTHEAST OF VICORIA.
LOCATIONS IMPACTED INCLUDE...
ELMORE...LAURA...LA FAYETTE...WEST JERSEY...TOULON...WYOMING...
ELMIRA...CASTLETON...OSCEOLA...BRADFORD...MONICA AND DUNCAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4123 8964 4098 8964 4072 9045 4105 9044
4116 9010 4116 8988 4122 8987 4124 8982
TIME...MOT...LOC 1928Z 256DEG 15KT 4106 9002
WIND...HAIL 60MPH 1.00IN
$$
CHS298
WWUS53 KILX 061942
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
242 PM CDT SUN MAY 6 2012
ILC095-143-175-062000-
/O.CON.KILX.SV.W.0063.000000T0000Z-120506T2000Z/
PEORIA IL-STARK IL-KNOX IL-
242 PM CDT SUN MAY 6 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
KNOX...STARK AND NORTHWESTERN PEORIA COUNTIES UNTIL 300 PM CDT...
AT 240 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WEST
JERSEY...OR 13 MILES SOUTH OF KEWANEE...MOVING EAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
WEST JERSEY...TOULON...WYOMING...ELMIRA...CASTLETON...OSCEOLA...
BRADFORD AND DUNCAN.
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.
&&
LAT...LON 4123 8964 4098 8964 4093 9008 4105 9012
4113 8999 4116 8988 4122 8987 4124 8982
TIME...MOT...LOC 1943Z 257DEG 20KT 4105 8995
WIND...HAIL 60MPH 1.00IN
$$
CHS158
WWUS53 KILX 062002
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
302 PM CDT SUN MAY 6 2012
ILC095-143-175-062011-
/O.EXP.KILX.SV.W.0063.000000T0000Z-120506T2000Z/
PEORIA IL-STARK IL-KNOX IL-
302 PM CDT SUN MAY 6 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KNOX...STARK AND
NORTHWESTERN PEORIA COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN STARK
COUNTY UNTIL 315 PM WITH ANOTHER THUNDERSTORM.
LAT...LON 4123 8964 4098 8964 4093 9008 4105 9012
4113 8999 4116 8988 4122 8987 4124 8982
TIME...MOT...LOC 1942Z 257DEG 20KT 4105 8996
$$
CHSThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 2:36 PM CDT | Tornado Warning | ILX | Marshall, Stark | 39 min |
| May 6, 3:07 PM CDT | Tornado Warning | ILX | Marshall | 53 min |
| May 6, 3:46 PM CDT | Areal Flood Advisory | ILX | Marshall, Stark | 6 hr |
| May 6, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 57 min |
| May 6, 5:00 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 45 min |
| May 6, 5:21 PM CDT | Tornado Warning | ILX | Vermilion | 39 min |
| May 6, 6:09 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| May 6, 6:48 PM CDT | Special Weather Statement | ILX | Vermilion | 27 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.