Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 3, NWS Lincoln, IL

January 22, 2012Crawford County, Lawrence County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jan 22, 2012, 10:57 PM CST for Crawford County, Lawrence County, Illinois. It was in force for 33 min. 3 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: Jan 22, 2012, 10:57 PM CST (04:57 UTC)
Expired: Jan 22, 2012, 11:30 PM CST
In force: 33 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Crawford County, IL, Lawrence County, IL

The radar

The Evansville,IN radar (KVWX), 55 km from the middle of the area, began a volume at 04:58 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
Jan 22, 11:08 PM CST	TSTM WND GST 50	2 E Birds, IL	OBSERVER MEASURED 50 MPH THUNDERSTORM WIND GUST.
Jan 22, 11:10 PM CST	TSTM WND GST 55	Mount Carmel Airport, IL	55 MPH WIND GUST FROM MOUNT CARMEL AIRPORT AWOS.
Jan 22, 11:12 PM CST	TSTM WND GST 54	Lawrenceville, IL	54 MPH WIND GUST FROM LAWRENCEVILLE AIRPORT ASOS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 179 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 378 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 494 m²/s²
0-3 km storm-relative helicity: 471 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

605 
WUUS53 KILX 230457
SVRILX
ILC033-101-230530-
/O.NEW.KILX.SV.W.0003.120123T0457Z-120123T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1057 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 1130 PM CST.

* AT 1053 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES SOUTHEAST OF WEST
  SALEM...OR 21 MILES SOUTH OF OLNEY...AND MOVING NORTHEAST AT 55
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAWRENCEVILLE...ST. FRANCISVILLE...BRIDGEPORT...BIRDS...
  RUSSELLVILLE...HELENA...MOUNT CARMEL AIRPORT...BILLETT...PINKSTAFF
  AND LAWRENCEVILLE AIRPORT.

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 3867 8755 3866 8760 3860 8762 3857 8765
      3857 8792 3891 8765 3890 8753 3886 8754
      3885 8752 3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 0457Z 219DEG 50KT 3849 8790
WIND...HAIL 60MPH <.75IN

$$
GEELHART

3 follow-up statements

220 
WWUS53 KILX 230510
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1110 PM CST SUN JAN 22 2012

ILC033-101-230530-
/O.CON.KILX.SV.W.0003.000000T0000Z-120123T0530Z/
LAWRENCE IL-CRAWFORD IL-
1110 PM CST SUN JAN 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CRAWFORD AND LAWRENCE COUNTIES UNTIL 1130 PM CST...

AT 1107 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 7 MILES WEST OF ST. FRANCISVILLE...OR
10 MILES SOUTHWEST OF LAWRENCEVILLE...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  LAWRENCEVILLE...ST. FRANCISVILLE...BRIDGEPORT...BIRDS...
  RUSSELLVILLE...BILLETT...PINKSTAFF AND LAWRENCEVILLE AIRPORT.

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 3867 8755 3866 8760 3860 8762 3857 8765
      3857 8792 3891 8765 3890 8753 3886 8754
      3885 8752 3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 0510Z 219DEG 50KT 3863 8775
WIND...HAIL 60MPH <.75IN

$$
GEELHART

028 
WWUS53 KILX 230516
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1116 PM CST SUN JAN 22 2012

ILC033-230526-
/O.CAN.KILX.SV.W.0003.000000T0000Z-120123T0530Z/
CRAWFORD IL-
1116 PM CST SUN JAN 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD COUNTY
IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED.  

LAT...LON 3867 8755 3866 8760 3860 8762 3857 8765
      3857 8778 3885 8766 3886 8753 3885 8752
      3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 0516Z 229DEG 37KT 3886 8751 3861 8762

$$
ILC101-230530-
/O.CON.KILX.SV.W.0003.000000T0000Z-120123T0530Z/
LAWRENCE IL-
1116 PM CST SUN JAN 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
LAWRENCE COUNTY UNTIL 1130 PM CST...

AT 1112 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM RUSSELLVILLE TO ST. FRANCISVILLE...MOVING NORTHEAST AT 40 MPH.

THESE STORMS PRODUCED WIND GUSTS OF 55 MPH AT THE LAWRENCEVILLE 
AIPORT...54 MPH AT THE MOUNT CARMEL AIRPORT...AND 50 MPH NEAR BIRDS. 

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN LAWRENCE COUNTY.

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 3867 8755 3866 8760 3860 8762 3857 8765
      3857 8778 3885 8766 3886 8753 3885 8752
      3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 0516Z 229DEG 37KT 3886 8751 3861 8762
WIND...HAIL 60MPH <.75IN

$$
GEELHART

565 
WWUS53 KILX 230527
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1127 PM CST SUN JAN 22 2012

ILC101-230537-
/O.EXP.KILX.SV.W.0003.000000T0000Z-120123T0530Z/
LAWRENCE IL-
1127 PM CST SUN JAN 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LAWRENCE COUNTY WILL
EXPIRE AT 1130 PM CST...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LINCOLN.

LAT...LON 3867 8755 3866 8760 3860 8762 3857 8765
      3857 8778 3885 8766 3886 8753 3885 8752
      3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 0527Z 229DEG 37KT 3893 8740 3868 8751

$$
GEELHART

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 22, 9:25 PM CST	Special Weather Statement	ILX	Effingham, Moultrie, Shelby	35 min
Jan 22, 9:46 PM CST	Special Weather Statement	ILX	Clay, Jasper, Richland	29 min
Jan 22, 9:58 PM CST	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas	47 min
Jan 22, 10:17 PM CST	Special Weather Statement	ILX	Champaign	28 min
Jan 22, 10:31 PM CST	Special Weather Statement	ILX	Clark, Edgar	29 min
Jan 22, 10:35 PM CST	Special Weather Statement	ILX	Vermilion	25 min
Jan 23, 4:18 AM CST	River Flood Warning	ILX	Clay, Richland	10 days

Nearby

Severe Thunderstorm Warnings in Illinois, 2012 Every 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.