Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 62, NWS Lincoln, IL

May 5, 20124 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 5, 2012, 1:54 AM CDT for 4 counties in Illinois. It was in force for 38 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
May 5, 2012, 1:54 AM CDT (06:54 UTC)
Expired
May 5, 2012, 2:32 AM CDT
In force
38 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, Richland County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.9 hours before the alert went out and 152 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 00:00Z on 2012-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2012-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.193958Sfc1 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
188 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

674 
WUUS53 KILX 050654
SVRILX
ILC025-049-079-159-050800-
/O.NEW.KILX.SV.W.0062.120505T0654Z-120505T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
154 AM CDT SAT MAY 5 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 300 AM CDT.

* AT 151 AM 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
  LOUISVILLE...OR 10 MILES NORTH OF FLORA...AND MOVING EAST AT 20
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  FLORA...OLNEY...BIBLE GROVE...SAILOR SPRINGS...INGAHAM...CLAY
  CITY...BOGOTA...SCHNELL...NOBLE...DUNDAS...WEST LIBERTY...
  CALHOUN...NEWTON LAKE...WENDELIN...WAKEFIELD AND OLNEY NOBLE
  AIRPORT.

THIS INCLUDES INTERSTATE 57 BETWEEN MILE MARKERS 145 AND 148.

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 3890 8797 3863 8802 3862 8870 3897 8866
TIME...MOT...LOC 0654Z 278DEG 16KT 3882 8850
WIND...HAIL 60MPH 1.00IN

$$

SMITH
3 follow-up statements
631 
WWUS53 KILX 050712
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
212 AM CDT SAT MAY 5 2012

ILC049-050722-
/O.CAN.KILX.SV.W.0062.000000T0000Z-120505T0800Z/
EFFINGHAM IL-
212 AM CDT SAT MAY 5 2012

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

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

LAT...LON 3863 8851 3891 8847 3891 8837 3893 8836
      3890 8797 3863 8802
TIME...MOT...LOC 0712Z 272DEG 16KT 3876 8836

$$

ILC025-079-159-050800-
/O.CON.KILX.SV.W.0062.000000T0000Z-120505T0800Z/
JASPER IL-RICHLAND IL-CLAY IL-
212 AM CDT SAT MAY 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
CLAY...RICHLAND AND SOUTHERN JASPER COUNTIES UNTIL 300 AM CDT...

AT 208 AM 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
SAILOR SPRINGS...OR 8 MILES NORTHEAST OF FLORA...MOVING EAST AT 20
MPH.

LOCATIONS IMPACTED INCLUDE...
  OLNEY...CLAY CITY...INGAHAM...SCHNELL...BOGOTA...NOBLE...WEST
  LIBERTY...DUNDAS...CALHOUN...NEWTON LAKE...WENDELIN...WAKEFIELD AND
  OLNEY NOBLE AIRPORT.

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 3863 8851 3891 8847 3891 8837 3893 8836
      3890 8797 3863 8802
TIME...MOT...LOC 0712Z 272DEG 16KT 3876 8836
WIND...HAIL 60MPH 1.00IN

$$

SMITH
049 
WWUS53 KILX 050721
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
221 AM CDT SAT MAY 5 2012

ILC025-079-050731-
/O.CAN.KILX.SV.W.0062.000000T0000Z-120505T0800Z/
JASPER IL-CLAY IL-
221 AM CDT SAT MAY 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CLAY AND SOUTHERN
JASPER COUNTIES IS CANCELLED...

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

LAT...LON 3873 8827 3873 8826 3885 8825 3885 8798
      3863 8802 3863 8828
TIME...MOT...LOC 0721Z 272DEG 16KT 3876 8831

$$

ILC159-050800-
/O.CON.KILX.SV.W.0062.000000T0000Z-120505T0800Z/
RICHLAND IL-
221 AM CDT SAT MAY 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR RICHLAND
COUNTY UNTIL 300 AM CDT...

AT 217 AM 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
SAILOR SPRINGS...OR 10 MILES NORTHEAST OF FLORA...MOVING EAST AT 20
MPH.

LOCATIONS IMPACTED INCLUDE...
  OLNEY...SCHNELL...NOBLE...DUNDAS...CALHOUN...WAKEFIELD AND OLNEY
  NOBLE AIRPORT.

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 3873 8827 3873 8826 3885 8825 3885 8798
      3863 8802 3863 8828
TIME...MOT...LOC 0721Z 272DEG 16KT 3876 8831
WIND...HAIL 60MPH 1.00IN

$$

SMITH
984 
WWUS53 KILX 050732
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
232 AM CDT SAT MAY 5 2012

ILC159-050742-
/O.CAN.KILX.SV.W.0062.000000T0000Z-120505T0800Z/
RICHLAND IL-
232 AM CDT SAT MAY 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR RICHLAND COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.  HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH ADDITIONAL 
THUNDERSTORMS THAT MOVE ACROSS THE AREA OVER THE NEXT HOUR. 

LAT...LON 3873 8827 3873 8826 3885 8825 3885 8798
      3863 8802 3863 8828
TIME...MOT...LOC 0732Z 272DEG 16KT 3876 8825

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:35 PM CDTSpecial Weather StatementILXRichland55 min
May 5, 12:56 AM CDTSpecial Weather StatementILXEffingham64 min
May 5, 1:05 AM CDTSpecial Weather StatementILXLawrence55 min
May 5, 1:36 AM CDTSpecial Weather StatementILXClay54 min
May 5, 9:23 AM CDTRiver Flood WarningILXClay, Richland4 days

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.