Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 8, 1990, 5:31 PM CST for Greene County, Illinois. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Mar 8, 1990, 5:31 PM CST (23:31 UTC)
- Expired
- Mar 8, 1990, 6:00 PM CST
- In force
- 29 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Greene County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.5 hours before the alert went out and 294 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 612 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 265 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 082336 SVRSTL ILC061-090000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 531 PM CST THU MAR 8 1990 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...SOUTHERN GREENE COUNTY AT 530 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM NEAR CARROLLTON IN GREENE COUNTY. THE STORM WAS MOVING TO THE EAST AROUND 40 MPH. CARROLLTON IS ABOUT 30 MILES NORTH OF ST LOUIS. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...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 DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Mar 8, 3:38 PM CST, 1 hour 53 minutes before
ILZ006-082230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 338 PM CST THU MAR 8 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8PM FOR PARTS OF EAST CENTRAL MISSOURI AND PARTS OF WESTERN AND CENTRAL ILLINOIS... AT 330 PM CST...THUNDERSTORMS WITH VERY HEAVY RAINS WERE OCCURRING 30 MILES NORTHEAST OF QUINCY BETWEEN PLYMOUTH AND VERMONT ILLINOIS. THESE STORMS WILL PRODUCE VERY HEAVY RAINS AND POSSIBLE SMALL HAIL AS THEY MOVE TO THE NORTHEAST AT 30 MILES AN HOUR. THESE STORMS WERE PART OF A SCATTERED AREA OF STORMS AND SHOWERS THAT WAS OCCURRING IN PARTS OF EAST CENTRAL THROUGH NORTHEAST MISSOURI INTO WEST CENTRAL ILLINOIS. SCATTERED STORMS...KSOME POSSIBLY SEVERE...AND SHOWERS WILL CONTINUE TO DEVELOP IN THE AFTERNOON HEAT FROM EAST CENTRAL MISSOURI TO CENTRAL ILLINOIS. END
Special weather statement, Mar 8, 4:17 PM CST, 1 hour 14 minutes before
MOZ-011-090000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
410 PM CST THU MAR 8 1990
...SEVERE THUNDERSTORM WATCH FOR THE EASTERN COUNTIES OF CENTRAL
MISSOURI...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR GASCONADE
AND MONTGOMERY COUNTIES IN CENTRAL MISSOURI UNTIL 8 PM CST.
THE COLUMBIA WEATHER RADAR INDICATED ONLY ISOLATED SHOWERS
MOVING THROUGH EASTERN AND NORTHEASTERN MISSOURI WITH SCATTERED
HEAVY THUNDERSTORMS EAST OF THE MISSISSIPPI RIVER. HOWEVER, THE
THREAT OF SEVERE THUNDERSTORM DEVELOPMENT IN EASTERN MISSOURI
REMAINS UNTIL THIS EVENING.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENT AND POSSIBLE
WARNINGS.
PERLOWSpecial weather statement, Mar 8, 4:37 PM CST, 54 minutes before
ILZ006-082230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 430 PM CST THU MAR 8 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8PM FOR PARTS OF EAST CENTRAL MISSOURI AND PARTS OF WESTERN AND CENTRAL ILLINOIS... AT 425 PM CST...ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING OVER WEST CENTRAL ILLINOIS...NEAR BEARDSTOWN AND JACKSONVILLE THESE STORMS WILL PRODUCE VERY HEAVY RAINS AND POSSIBLE SMALL HAIL AS THEY MOVE TO THE EAST AT 35 MILES AN HOUR. THESE STORMS WERE PART OF A SCATTERED AREA OF STORMS AND SHOWERS THAT WAS OCCURRING IN PARTS OF EAST CENTRAL THROUGH NORTHEAST MISSOURI INTO WEST CENTRAL ILLINOIS. SCATTERED STORMS...SOME POSSIBLY SEVERE...AND SHOWERS WILL CONTINUE TO DEVELOP IN THE AFTERNOON HEAT FROM EAST CENTRAL MISSOURI TO CENTRAL ILLINOIS. END
Special weather statement, Mar 8, 5:12 PM CST, 19 minutes before
ILZ009-082330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 505 PM CST THU MAR 8 1990 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS... AT 505 PM CST...RADAR INDICATED A STRONG THUNDERSTORM IN SOUTHWEST GREENE COUNTY OF SOUTHWEST ILLINOIS. THE STORM WAS LOCATED ABOUT 5 MILES SOUTHWEST OF CARROLLTON COUNTY...WHICH IS ABOUT 30 MILES NORTH OF ST LOUIS. THE STORM WAS MOVING TO THE EAST AROUND 35 MPH. PERSONS IN CARROLLTON IN GREENE COUNTY SHOULD REMAIN ALERT FOR THE POSSIBILITY OF STRONG WINDS AND LARGE HAIL DURING THE NEXT HALF HOUR.
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Every severe thunderstorm warning in 1990
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.