Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 99, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 8, 1994, 10:32 PM CDT for Effingham County, Illinois. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1994, 10:32 PM CDT (03:32 UTC)
- Expired
- Aug 8, 1994, 11:30 PM CDT
- In force
- 58 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Effingham County, IL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.5 hours before the alert went out and 370 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.
- Mixed-layer CAPE
- 1103 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1278 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTL 090334 RRA SVRSTL ILC049-090430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1032 PM CDT MON AUG 8 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ILLINOIS ...EASTERN EFFINGHAM COUNTY AT 1030 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES EAST OF EFFINGHAM. THE THUNDERSTORM WAS MOVING SOUTH AT 15 MPH. THE STORM WILL BE MOVING THROUGH THE DIETERICH...ELLIOTTSTOWN AND EBERLE AREAS BY 1130 PM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. DLF/RP
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, Aug 8, 7:08 PM CDT, 3 hours 24 minutes before
MOZ050-090110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 706 PM CDT MON AUG 8 1994 ...A STRONG STORM IS SOUTHEAST OF COLUMBIA... AT 7PM A THUNDERSTORM WITH VERY HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL WAS LOCATED 15 MILES SOUTHEAST OF COLUMBIA...OR JUST NORTHWEST OF FULTON. THE STORM WAS NEARLY STATIONARY...SO SOME MINOR STREET FLOODING WILL BE POSSIBLE. RESIDENTS IN AND TO THE WEST OF KINGDOM CITY...FULTON...AND NEW BLOOMFIELD NEED TO KEEP AN EYE ON THE SKY. 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 RADI O OR TV STATION FOR THE LATEST WEATHER INFORMATION. REMEMBER...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EASTERN PARTS OF MID-MISSOURI...INCLUDING CALLAWAY COUNTY...UNTIL 10PM. REAUGH
Special weather statement, Aug 8, 7:15 PM CDT, 3 hours 17 minutes before
MOZ025>027-033>036-ILZ095>097-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 715 PM CDT MON AUG 8 1994 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR A PORTION OF NORTHEAST MISSOURI AND SOUTHWEST ILLINOIS... AT 715 PM...WEATHER SERVICE RADARS SHOWED WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ACROSS EAST CENTRAL MISSOURI INTO EXTREME SOUTHWEST ILLINOIS. NO SEVERE WEATHER HAS BEEN REPORTED THUS FAR...AND THE LATEST RADAR TRENDS INDICATED THAT THE THUNDERSTORMS WERE WEAKENING. AS A RESULT...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR SHELBY AND MARION COUNTIES IN MISSOURI...AND ADAMS AND BROWN COUNTIES IN ILLINOIS. THIS INCLUDES THE CITIES OF SHELBYVILLE...HANNIBAL... QUINCY AND MT STERLING IN ILLINOIS.
Special weather statement, Aug 8, 7:30 PM CDT, 3 hours 2 minutes before
MOZALL-ILZ095>102-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 730 PM CDT MON AUG 8 1994 ...SEVERE THUNDERSTORM WATCH NUMBER 711 FOR PORTIONS OF EAST MISSOURI AND SOUTHWEST ILLINOIS HAS BEEN CANCELLED... THE THREAT OF SEVERE THUNDERSTORMS ACROSS EAST CENTRAL AND NORTHEAST MISSOURI AND SOUTHWEST ILLINOIS HAS ENDED. THE WATCH IS NO LONGER IN EFFECT FOR THE ST LOUIS METROPOLITAN AREA OR COLUMBIA. ALTHOUGH A FEW SHOWERS AND THUNDERSTORMS REMAINED ACROSS CENTRAL AND EAST CENTRAL MISSOURI...THE THREAT OF SEVERE THUNDERSTORMS HAS NOW DIMINISHED.
Special weather statement, Aug 8, 7:35 PM CDT, 2 hours 57 minutes before
MOZALL-ILZ095>102-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 730 PM CDT MON AUG 8 1994 ...SEVERE THUNDERSTORM WATCH NUMBER 711 FOR PORTIONS OF EAST MISSOURI AND SOUTHWEST ILLINOIS HAS BEEN CANCELLED... THE THREAT OF SEVERE THUNDERSTORMS ACROSS EAST CENTRAL AND NORTHEAST MISSOURI AND SOUTHWEST ILLINOIS HAS ENDED. THE WATCH IS NO LONGER IN EFFECT FOR THE ST LOUIS METROPOLITAN AREA OR COLUMBIA. ALTHOUGH A FEW SHOWEJRS AND THUNDERSTORMS REMAINED ACROSS CENTRAL AND EAST CENTRAL MISSOURI...THE THREAT OF SEVERE THUNDERSTORMS HAS NOW DIMINISHED.
Special weather statement, Aug 8, 10:26 PM CDT, 6 minutes before
ILZ066-090430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1026 PM CDT MON AUG 8 1994 ...STRONG THUNDERSTORMS HAVE DEVELOPED OVER EFFINGHAM COUNTY... AT 1020 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS OVER CENTRAL AND EASTERN EFFINGHAM COUNTY. THE STORMS WERE LOCATED FROM SOUTHWEST OF EFFINGHAM NEAR FUNKHOUSER TO DIETRICH. THE STORMS WERE MOVING SOUTH AT 15 MILES AN HOUR. PEOPLE IN THE DIETRICH...FUNKHOUSER...WATSON...ELLIOTTSTOWN AND MASON AREAS CAN EXPECT EXTREMELY HEAVY RAINS...STRONG WIND GUSTS AND HAIL AS THESE STORMS MOVE THROUGH BY 1130 PM. FERRY
Special weather statement, Aug 8, 10:28 PM CDT, 4 minutes before
ILZ066-090430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1026 PM CDT MON AUG 8 1994 ...STRONG THUNDERSTORMS HAVE DEVELOPED OVER EFFINGHAM COUNTY... AT 1020 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS OVER CENTRAL AND EASTERN EFFINGHAM COUNTY. THE STORMS WERE LOCATED FROM SOUTHWEST OF EFFINGHAM NEAR FUNKHOUSER TO DIETRICH. THE STORMS WERE MOVING SOUTH AT 15 MILES AN HOUR. PEOPLE IN THE DIETRRICH...FUNKHOUSER...WATSON...ELLIOTTSTOWN AND MASON AREAS CAN EXPECT EXTREMELY HEAVY RAINS...STRONG WIND GUSTS AND HAIL AS THESE STORMS MOVE THROUGH BY 1130 PM. FERRY
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.