Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 76, NWS St. Louis, MO

June 12, 1994Fayette County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 12, 1994, 6:46 PM CDT for Fayette County, Illinois. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1994, 6:46 PM CDT (23:46 UTC)
Expired
Jun 12, 1994, 7:30 PM CDT
In force
44 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Fayette County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.8 hours before the alert went out and 216 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, Paducah/Barkley, KY at 12:00Z on 1994-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1510 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 12:00Z on 1994-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
1510 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
923 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 122347
SVRSTL
ILC051-130030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
646 PM CDT SUN JUN 12 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...FAYETTE COUNTY
 
AT 645 PM...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM LOCATED NEAR
VANDALIA. MOVEMENT WAS TO THE EAST AT 20 TO 25 MPH. THIS STORM WILL MOVE
INTO THE WRIGHT CORNERS AND ST. ELMO AREAS BETWEEN 700 AND 730 PM.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONE|S
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
ST/EHG

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 12, 6:11 PM CDT, 35 minutes before
ILZ066-130015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
611 PM CDT SUN JUN 12 1994

...STRONG THUNDERSTORMS WERE MOVING OVER NORTHERN FAYETTE COUNTY
ILLINOIS...

AT 605 PM...NWS DOPPLER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS
FROM NEAR SHELBYVILLE TO RAMSEY...25 MILES WEST OF EFFINGHAM. THESE
STORMS WERE MOVING EAST AT 25 MPH.

SMALL HAIL...GUSTY WINDS...AND DEADLY LIGHTNING WILL ACCOMPANY THE
PASSAGE OF THESE STORMS. THESE STORMS SHOULD REACH THE
MOCCASIN AND ALTAMONT AREAS BY 625 PM AND EFFINGHAM BY 645 PM.  MOVE TO
SHELTER IF THESE STORMS MOVE INTO YOUR AREA.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND REMAIN ALERT FOR APPROACHING STORMS.

GOETSCH
Special weather statement, Jun 12, 6:12 PM CDT, 34 minutes before
ILZ066-130015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
611 PM CDT SUN JUN 12 1994

...STRONG THUNDERSTORMS WERE MOVING OVER NORTHERN FAYETTE COUNTY
ILLINOIS...

AT 605 PM...NWS DOPPLER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS
FROM NEAR SHELBYVILLE TO RAMSEY...25 MILES WEST OF EFFINGHAM. THESE
STORMS WERE MOVING EAST AT 25 MPH.

SMALL HAIL...GUSTY WINDS...AND DEADLY LIGHTNING WILL ACCOMPANY THE
PASSAGE OF THESE STORMS. THESE STORMS SHOULD REACH THE
MOCCASIN AND ALTAMONT AREAS BY 625 PM AND EFFINGHAM BY 645 PM.  MOVE TO
SHELTER IF THESE STORMS MOVE INTO YOUR AREA.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND REMAIN ALERT FO6R APPROACHING STORMS.

GOETSCH
Special weather statement, Jun 12, 6:34 PM CDT, 12 minutes before
ILZ064-066-065-130030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
634 PM CDT SUN JUN 12 1994

...STRONG THUNDERSTORMS WERE MOVING OVER SOUTH CENTRAL ILLINOIS...

AT 635 PM...NWS DOPPLER RADAR SHOWED SCATTERED STRONG THUNDERSTORMS
OVER SOUTH CENTRAL ILLINOIS...EXTENDING FROM NEAR EFFINGHAM...TO NEAR
VANDALIA...TO JUST NORTH OF GREENVILLE...ALONG INTERSTATE 70.  MOVEMENT
WAS EAST AT 20 TO 25 MPH.

SMALL HAIL...DEADLY LIGHTNING...AND GUSTY WINDS TO 40 MPH WILL REMAIN
POSSIBLE WITH THE PASSAGE OF THESE STORMS OVER EFFINGHAM...FAYETTE...AND
BOND COUNTIES IN ILLINOIS BETWEEN 635 AND 700 PM.

IF THESE STORMS MOVE INTO YOUR AREA...MOVE TO SHELTER IMMEDIATELY UNTIL
THE STORMS PASS.

EHG/ST
Special weather statement, Jun 12, 6:37 PM CDT, 9 minutes before
MOZ008>010-017>019-026-027-034>036-052-060>065-071>076-083>085-
099-ILZ049-058-064>066-069-070-074-075-079-080-095>102-130040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
637 PM CDT SUN JUN 12 1994

...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL MISSOURI INCLUDING
THE ST LOUIS METRO AREA IS NO LONGER IN EFFECT...

THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR ANY COUNTIES
IN MISSOURI.

ISOLATED THUNDERSTORMS ARE STILL POSSIBLE ACROSS THE ST LOUIS AREA THIS
EVENING HOWEVER THE MAIN SEVERE WEATHER THREAT APPEARS TO HAVE MOVED
EAST INTO PORTIONS OF SOUTH CENTRAL ILLINOIS.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE FOLLOWING
COUNTIES IN ILLINOIS.

BOND           CLINTON       WASHINGTON       FAYETTE       MARION

EFFINGHAM

PEOPLE LIVING IN PORTIONS OF SOUTH CENTRAL ILLINOIS SHOULD REMAIN ALERT
TO THE POSSIBILITY OF STRONG TO SEVERE THUNDERSTORMS.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

GLASS
Special weather statement, Jun 12, 6:37 PM CDT, 9 minutes before
MOZ008>010-017>019-026-027-034>036-052-060>065-071>076-083>085-
099-ILZ049-058-064>066-069-070-074-075-079-080-095>102-130040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
637 PM CDT SUN JUN 12 1994

...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL MISSOURI INCLUDING
THE ST LOUIS METRO AREA IS NO LONGER IN EFFECT...

THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR ANY COUNTIES
IN MISSOURI.

ISOLATED THUNDERSTORMS ARE STILL POSSIBLE ACROSS THE ST LOUIS AREA THIS
EVENING HOWEVER THE MAIN SEVERE WEATHER THREAT APPEARS TO HAVE MOVED
EAST INTO PORTIONS OF SOUTH CENTRAL ILLINOIS.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE FOLLOWING
COUNTIES IN ILLINOIS.

BOND           CLINTON       WASHINGTON       FAYETTE       MARION

EFFINGHAM

PEOPLE LIVING IN PORTIONS OF SOUTH CENTRAL ILLINOIS SHOULD REMAIN ALERT
TO THE POSSIBILITY OF STRONG TO SEVERE THUNDERSTORMS.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

GLASS
Special weather statement, Jun 12, 6:38 PM CDT, 8 minutes before
MOZ008>010-017>019-026-027-034>036-052-060>065-071>076-083>085-
099-ILZ049-058-064>066-069-070-074-075-079-080-095>102-130040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
637 PM CDT SUN JUN 12 1994

...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL MISSOURI INCLUDING
THE ST LOUIS METRO AREA IS NO LONGER IN EFFECT...

THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR ANY COUNTIES
IN MISSOURI.

ISOLATED THUNDERSTORMS ARE STILL POSSIBLE ACROSS THE ST LOUIS AREA THIS
EVENING HOWEVER THE MAIN SEVERE WEATHER THREAT APPEARS TO HAVE MOVED
EAST INTO PORTIONS OF SOUTH CENTRAL ILLINOIS.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE FOLLOWING
COUNTIES IN ILLINOIS.

BOND           CLINTON       WASHINGTON       FAYETTE       MARION

EFFINGHAM

PEOPLE LIVING IN PORTIONS OF SOUTH CENTRAL ILLINOIS SHOULD REMAIN ALERT
TO THE POSSIBILITY OF STRONG TO SEVERE THUNDERSTORMS.

AT SIGNS OF AN IMPENDING STORM...TpOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 1:10 PM CDTSevere Thunderstorm WarningLSXAdams35 min
Jun 12, 1:56 PM CDTSevere Thunderstorm WarningLSXAdams49 min
Jun 12, 2:07 PM CDTSevere Thunderstorm WarningLSXGreene, Scott53 min
Jun 12, 3:30 PM CDTSevere Thunderstorm WarningLSXGreene, Scott60 min
Jun 12, 3:30 PM CDTSevere Thunderstorm WarningLSXPike29 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1994Every severe thunderstorm warning in 1994

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.