Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 8, NWS Lincoln, IL

March 2, 2012Clay County, Effingham County, Jasper County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 2, 2012, 11:22 AM CST for Clay County, Effingham County, Jasper County, Illinois. It was in force for 26 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 2, 2012, 11:22 AM CST (17:22 UTC)
Expired
Mar 2, 2012, 11:48 AM CST
In force
26 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clay County, IL, Effingham County, IL, Jasper County, IL

The radar

The Evansville,IN radar (KVWX), 95 km from the middle of the area, began a volume at 17:24 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.

IssuedProductOfficeLasted
Mar 2, 5:52 AM CSTSevere Thunderstorm WatchSPC6 hr
Mar 2, 9:54 AM CSTTornado Watch PDSSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.4 hours before the alert went out and 141 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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
1770 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
163 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.

793 
WUUS53 KILX 021722
SVRILX
ILC025-049-079-021815-
/O.NEW.KILX.SV.W.0008.120302T1722Z-120302T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1122 AM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  WESTERN JASPER COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 1215 PM CST.

* AT 1120 AM CST...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
  EDGEWOOD...OR 16 MILES SOUTHWEST OF EFFINGHAM...AND MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WATSON...BIBLE GROVE...INGAHAM...DIETERICH...WHEELER...BOGOTA...
  MASON...HORD...ELLIOTSTOWN...WENDELIN...NEWTON LAKE...LATONA AND
  GILA.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FRIDAY EVENING FOR
SOUTHEASTERN ILLINOIS.

LAT...LON 3874 8870 3891 8870 3891 8879 3893 8880
      3918 8830 3887 8808 3885 8819 3885 8826
      3883 8826
TIME...MOT...LOC 1722Z 242DEG 39KT 3891 8865
WIND...HAIL 60MPH 1.00IN

$$

BARNES
2 follow-up statements
946 
WWUS53 KILX 021738
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1138 AM CST FRI MAR 2 2012

ILC025-049-079-021815-
/O.CON.KILX.SV.W.0008.000000T0000Z-120302T1815Z/
JASPER IL-CLAY IL-EFFINGHAM IL-
1138 AM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
EFFINGHAM...NORTHERN CLAY AND WESTERN JASPER COUNTIES UNTIL 1215 PM
CST...

AT 1134 AM CST...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 7 MILES
SOUTHEAST OF WATSON...OR 12 MILES SOUTHEAST OF EFFINGHAM...MOVING
NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  NEWTON...DIETERICH...WHEELER...BOGOTA...WENDELIN...NEWTON LAKE...
  LATONA AND GILA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH 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.

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 3874 8870 3891 8870 3891 8879 3893 8880
      3918 8830 3887 8808 3885 8819 3885 8826
      3883 8826
TIME...MOT...LOC 1738Z 242DEG 39KT 3899 8842
WIND...HAIL 60MPH 1.00IN

$$

BARNES
139 
WWUS53 KILX 021748
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1148 AM CST FRI MAR 2 2012

ILC025-049-079-021758-
/O.CAN.KILX.SV.W.0008.000000T0000Z-120302T1815Z/
JASPER IL-CLAY IL-EFFINGHAM IL-
1148 AM CST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN EFFINGHAM...NORTHERN
CLAY AND WESTERN JASPER COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 6 PM CST.

LAT...LON 3874 8870 3891 8870 3891 8879 3893 8880
      3918 8830 3887 8808 3885 8819 3885 8826
      3883 8826
TIME...MOT...LOC 1748Z 242DEG 39KT 3904 8830

$$

BARNES

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 3:41 AM CSTWind AdvisoryILXChampaign, Christian, Clark, Clay, Coles, Crawford and 16 more16 hr
Mar 2, 7:20 AM CSTSevere Thunderstorm WarningILXChristian, Coles, Cumberland, Effingham, Moultrie, Shelby40 min
Mar 2, 8:00 AM CSTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Douglas, Edgar, Moultrie and 1 more45 min
Mar 2, 8:09 AM CSTSpecial Weather StatementILXSangamon51 min
Mar 2, 8:22 AM CSTSevere Thunderstorm WarningILXClark, Edgar38 min
Mar 2, 8:42 AM CSTSevere Thunderstorm WarningILXEdgar33 min
Mar 2, 9:06 AM CSTSpecial Weather StatementILXMacon54 min
Mar 2, 11:30 AM CSTSevere Thunderstorm WarningILXClark, Coles, Edgar30 min
Mar 2, 12:05 PM CSTSevere Thunderstorm WarningILXClay40 min
Mar 2, 1:15 PM CSTTornado WarningILXLawrence13 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.