Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Lincoln, IL

March 23, 2012Lawrence County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 23, 2012, 2:33 PM CDT for Lawrence County, Illinois. It was in force for 37 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: Mar 23, 2012, 2:33 PM CDT (19:33 UTC)
Expired: Mar 23, 2012, 3:10 PM CDT
In force: 37 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Lawrence County, IL

The radar

The Evansville,IN radar (KVWX), 49 km from the middle of the area, began a volume at 19:35 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
Mar 23, 11:44 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.6 hours before the alert went out and 183 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 808 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 57 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.

000 
WUUS53 KILX 231933
SVRILX
ILC101-232030-
/O.NEW.KILX.SV.W.0021.120323T1933Z-120323T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
233 PM CDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 330 PM CDT.

* AT 231 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED 10 MILES SOUTHWEST OF ST. FRANCISVILLE...OR 16 MILES SOUTH
  OF LAWRENCEVILLE...AND WAS MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAWRENCEVILLE...ST. FRANCISVILLE...BRIDGEPORT...BIRDS...
  RUSSELLVILLE...HELENA...MOUNT CARMEL AIRPORT...RED HILLS STATE
  PARK...BILLETT...PETROLIA...LAWRENCEVILLE AIRPORT AND PINKSTAFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

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

&&

LAT...LON 3868 8753 3866 8760 3864 8761 3858 8762
      3859 8763 3856 8766 3857 8791 3885 8778
      3885 8752 3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 1933Z 205DEG 26KT 3852 8780
WIND...HAIL 60MPH 1.50IN

$$
GEELHART

2 follow-up statements

297 
WWUS53 KILX 231951
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
251 PM CDT FRI MAR 23 2012

ILC101-232030-
/O.CON.KILX.SV.W.0021.000000T0000Z-120323T2030Z/
LAWRENCE IL-
251 PM CDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
LAWRENCE COUNTY UNTIL 330 PM CDT...

AT 249 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 ST.
FRANCISVILLE...OR 9 MILES SOUTH OF LAWRENCEVILLE...MOVING NORTHEAST
AT 30 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

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

&&

LAT...LON 3868 8753 3866 8760 3864 8761 3858 8762
      3859 8763 3856 8766 3857 8782 3885 8778
      3885 8752 3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 1951Z 205DEG 26KT 3862 8770
WIND...HAIL 60MPH 1.00IN

$$

GEELHART

439 
WWUS53 KILX 232010
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
310 PM CDT FRI MAR 23 2012

ILC101-232020-
/O.CAN.KILX.SV.W.0021.000000T0000Z-120323T2030Z/
LAWRENCE IL-
310 PM CDT FRI MAR 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR LAWRENCE 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. 
HOWEVER...THE STORM WILL STILL BE CAPABLE OF PRODUCING HAIL UP TO
DIME SIZE...AND WIND GUSTS OF 40 TO 45 MPH...THROUGH 330 PM.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 PM. 

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

LAT...LON 3868 8753 3866 8760 3864 8761 3858 8762
      3859 8763 3856 8766 3857 8782 3885 8778
      3885 8752 3882 8752 3879 8749 3874 8749
TIME...MOT...LOC 2010Z 205DEG 26KT 3874 8762

$$
GEELHART

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 1:11 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Shelby	29 min
Mar 23, 1:33 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Moultrie	42 min
Mar 23, 2:08 PM CDT	Tornado Warning	ILX	Clay	27 min
Mar 23, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	35 min
Mar 23, 2:14 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	31 min
Mar 23, 2:28 PM CDT	Tornado Warning	ILX	Clay, Effingham	30 min
Mar 23, 2:39 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper, Lawrence, Richland	22 min
Mar 23, 2:44 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	46 min
Mar 23, 2:53 PM CDT	Tornado Warning	ILX	Clay	24 min
Mar 23, 3:26 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	34 min
Mar 23, 3:28 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	17 min
Mar 23, 3:35 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	38 min
Mar 23, 3:42 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	25 min
Mar 23, 3:44 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	31 min
Mar 23, 4:08 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	26 min
Mar 23, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Woodford	34 min
Mar 23, 4:31 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	29 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.