Alert archive / Illinois / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 247, NWS St. Louis, MO

June 5, 20114 counties in Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 5, 2011, 7:27 AM CDT for 4 counties in Illinois. It was in force for 48 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
Jun 5, 2011, 7:27 AM CDT (12:27 UTC)
Expired
Jun 5, 2011, 8:15 AM CDT
In force
48 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Bond County, IL, Fayette County, IL, Marion County, IL, Montgomery County, IL

The radar

The Lincoln radar (KILX), 128 km from the middle of the area, began a volume at 12:31 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
Jun 5, 5:00 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 0.5 hours before the alert went out and 129 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 2011-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2668 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 12:00Z on 2011-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939Sfc1 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
2668 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1128 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
95 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.

331 
WUUS53 KLSX 051227
SVRLSX
ILC005-051-121-135-051315-
/O.NEW.KLSX.SV.W.0247.110605T1227Z-110605T1315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
727 AM CDT SUN JUN 5 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
  FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTH CENTRAL MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHEASTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 815 AM CDT

* AT 725 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED NEAR VAN BURENSBURG...OR 11 MILES NORTHWEST OF VANDALIA...
  AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VANDALIA...MULBERRY GROVE...RAMSEY...SHOBONIER...BROWNSTOWN...
  WRIGHTS CORNER...ST. ELMO...FARINA...KINMUNDY...BAYLE CITY...
  SHAFTER...HAGERSTOWN...AVENA...ST. PAUL...ST. JAMES...LOOGOOTEE AND
  ST. PETER.

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 3876 8880 3895 8944 3928 8923 3927 8913
      3922 8913 3922 8881 3892 8880 3891 8871
TIME...MOT...LOC 1227Z 293DEG 26KT 3905 8926
WIND...HAIL 60MPH 1.50IN

$$

GLASS
2 follow-up statements
034 
WWUS53 KLSX 051250
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
750 AM CDT SUN JUN 5 2011

ILC005-135-051300-
/O.CAN.KLSX.SV.W.0247.000000T0000Z-110605T1315Z/
MONTGOMERY IL-BOND IL-
750 AM CDT SUN JUN 5 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BOND AND
SOUTHEASTERN MONTGOMERY COUNTIES IS CANCELLED...

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

LAT...LON 3876 8880 3890 8925 3921 8923 3922 8881
      3892 8880 3891 8871
TIME...MOT...LOC 1250Z 293DEG 26KT 3898 8906

$$

ILC051-121-051315-
/O.CON.KLSX.SV.W.0247.000000T0000Z-110605T1315Z/
MARION IL-FAYETTE IL-
750 AM CDT SUN JUN 5 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR FAYETTE AND
NORTH CENTRAL MARION COUNTIES UNTIL 815 AM CDT...

AT 747 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
VANDALIA...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  SHOBONIER...BROWNSTOWN...WRIGHTS CORNER...ST. ELMO...FARINA...
  KINMUNDY...AVENA...ST. PAUL...ST. JAMES...LOOGOOTEE AND ST. PETER.

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 3876 8880 3890 8925 3921 8923 3922 8881
      3892 8880 3891 8871
TIME...MOT...LOC 1250Z 293DEG 26KT 3898 8906
WIND...HAIL 60MPH 1.50IN

$$

GLASS
765 
WWUS53 KLSX 051307
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
807 AM CDT SUN JUN 5 2011

ILC051-121-051316-
/O.EXP.KLSX.SV.W.0247.000000T0000Z-110605T1315Z/
MARION IL-FAYETTE IL-
807 AM CDT SUN JUN 5 2011

...THE SEVERE THUNDERSTORM WARNING FOR FAYETTE AND NORTH CENTRAL
MARION COUNTIES WILL EXPIRE AT 815 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

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

LAT...LON 3876 8880 3890 8925 3921 8923 3922 8881
      3892 8880 3891 8871
TIME...MOT...LOC 1306Z 293DEG 26KT 3893 8892

$$

CVKING

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 3:56 AM CDTSevere Thunderstorm WarningLSXAdams, Brown49 min
Jun 5, 4:29 AM CDTSevere Thunderstorm WarningLSXAdams, Brown, Pike46 min
Jun 5, 4:59 AM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike46 min
Jun 5, 5:46 AM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Macoupin44 min
Jun 5, 6:33 AM CDTSevere Thunderstorm WarningLSXFayette, Macoupin, Montgomery57 min
Jun 5, 7:36 AM CDTSevere Thunderstorm WarningLSXBrown23 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2011Every severe thunderstorm warning in 2011

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.