Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 54, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1990, 6:39 PM CDT for Jefferson County, Perry County, Illinois. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1990, 6:39 PM CDT (23:39 UTC)
- Expired
- May 16, 1990, 7:30 PM CDT
- In force
- 51 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Jefferson County, IL, Perry 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, 11.7 hours before the alert went out and 131 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
- NaN m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 162340
SVRSTL
ILC081-145-170030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
639 PM CDT WED MAY 16 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL ILLINOIS
...JEFFERSON...PERRY
SEVERE THUNDERSTORMS THAT WERE PRODUCING HAIL IN WASHINGTON
AND RANDOLPH COUNTIES WILL MOVE INTO PERRY AND JEFFERSON
COUNTIES BETWEEN 640 AND 730 PM THIS EVENING. THIS STORM WILL
MOVE VERY CLOSE TO MT VERNON.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVtY 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.
FELDTWhat 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, May 16, 5:17 PM CDT, 1 hour 22 minutes before
MOZ-010-011-162300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 500 PM CDT WED MAY 16 1990 ...FLASH FLOOD WARNING UNTIL 545PM FOR WEST CENTRAL MISSOURI... ...TORNADO WATCH IN EFFECT FOR SOUTHWEST PARTS OF CENTRAL MISSOURI TIL 8PM AND EASTERN PARTS OF CENTRAL MISSOURI UNTIL 11PM... AT 5PM...A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WAS PASSING THROUGH EASTERN AND SOUTHEAST PARTS OF CENTRAL MISSOURI FROM 40 MILES EAST OF JEFFERSON CITY TO 30 MILES SOUTHWEST OF ROLLA MOVING NORTHEAST AT 40 MPH. ADDITIONAL HEAVY RAINS WILL PRODUCE FLASH FLOODING IN THAT PART OF CENTRAL MISSOURI AND FLASH FLOOD WARNINGS HAVE BEEN ISSUED UNTIL 8PM. ADDITIONALLY...THE MISSOURI RIVER LEVEE AT RHINELAND...IN SOUTHERN MONTGOMERY COUNTY...IS WEAKENED AND IS BEING WATCHED FOR POSSIBLE BREAKS. A LEVEE BREAK WOULD THREATEN THE CITY OF RHINELAND AND EMERGENCY PLANS ARE BEING CONSIDERED. ELSEWHERE AROUND CENTRAL MISSOURI...RAINSHOWERS AND THUNDERSTORMS WERE DIMINISHING IN WEST CENTRAL MISSOURI BUT ROADWAYS WILL CONTINUE TO BE UNDER WATER FOR THE NEXT COUPLE OF HOURS AT LEAST. STREAMS WILL NOT BE DOWN FOR SEVERAL DAYS. DO NOT ATTEMPT TO CROSS SWOLLEN CREEKS OR ANY ROAD WHERE WATER IS OVER THE ROADWAY. LARM
Special weather statement, May 16, 5:31 PM CDT, 1 hour 8 minutes before
MOZ006-009-010-011-013-014-162330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 530 PM CDT WED MAY 16 1990 ATTN TO MEDIA...PLEASE BROADCAST THIS AS OFTEN AS POSSIBLE... CONTRARY TO A EARLIER REPORT...INTERSTATE 70 WEST OF SWEET SPRINGS IS NOT CLOSED. WATER FROM DAVIS CREEK IS THREATENING THE HIGHWAY BUT IT IS NOT CLOSED AT THIS TIME. LARM
Special weather statement, May 16, 5:57 PM CDT, 42 minutes before
MOZ013-014-015-016-019-020-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 550 PM CDT WED MAY 16 1990 ...TORNADO WATCH FOR MUCH OF SOUTHWEST MISSOURI HAS BEEN CANCELLED... THE TORNADO WATCH ISSUED AT 1234 PM FOR SOUTHWEST AND CENTRAL MISSOURI HAS BEEN CANCELLED FOR MOST OF THE STATE EXCEPT FOR A SMALL PORTION OF THE SOUTHWEST. BARRY COUNTY IN ZONE 19 AND STONE AND CHRISTIAN COUNTIES IN ZONE 20 ARE STILL UNDER A TORNADO WATCH UNTIL 8 PM THIS EVENING. THE THREAT OF SEVERE WEATHER HAS DIMINISHED IN THE REMAINDER OF THE WATCH AREA...THUS THE TORNADO WATCH HAS BEEN CANCELLED.
Special weather statement, May 16, 6:11 PM CDT, 28 minutes before
MOZ019-020-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 610 PM CDT WED MAY 16 1990 ...TORNADO WATCH HAS BEEN CANCELLED FOR THE JOPLIN AND SPRINGFIELD AREA... THE TORNADO WAT2CH ISSUED AT 1234 PM FOR SOUTHWEST AND CENTRAL MISSOURI HAS BEEN CANCELLED FOR MOST OF SOUTHWEST MISSOURI. THE STRONGEST THUNDERSTORMS HAVE MOVED INTO THE SOUTH CENTRAL PORTION OF MISSOURI WHERE A TORNADO WATCH REMAINS IN EFFECT UNILL 11 PM.
Special weather statement, May 16, 6:21 PM CDT, 18 minutes before
MOZ006-009-010-011-013-014-170100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 625 PM CDT WED MAY 16 1990 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF MISSOURI EXCEPT EXTREME NORTHWEST... THE COOL FRONT AND ASSOCIATED SEVERE THUNDERSTORMS HAVE MOVED THRU THE CENTRAL MISSOURI AREA, TAKING THE THREAT OF ADDITIONAL TORRENTIAL RAINS, DAMAGING WINDS AND HAIL, WITH IT. THE FLASH FLOOD WARNINGS ISSUED PREVIOUSLY FOR CENTRAL MISSOURI HAVE EXPIRED. HOWEVER, STREAMS AND RIVERS THROUGHOUT CENTRAL MISSOURI ARE STILL ON THE RISE AND MANY ARE NOT FORECAST TO CREST UNTIL THURSDAY AFTERNOON. PERSONS RESIDING IN LOW LYING AREAS PRONE TO STREAM FLOODING SHOULD BE ALERT TO FURTHJER DEVELOPMENTS AND STAY TUNED TO WEATHER RADIO FOR ADDITIONAL STATEMENTS. PERLOW
Special weather statement, May 16, 6:22 PM CDT, 17 minutes before
MOZ011-012-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 620 PM CDT WED MAY 16 1990 ...TORNADO WATCH HAS BEEN CANCELLED FOR THE ST LOUIS METROPOLITAN AREA... THE TORNADO WATCLH ISSUED AT 248 PM FOR EAST CENTRAL AND SOUTHEAST MISSOURI HAS BEEN CANCELLED FOR THE ST LOUIS AREA. THE STRONGEST THUNDERSTORMS HAVE MOVED INTO SOUTHEAST MISSOURI... WHERE A TORNADO WATCH REMAINS IN EFFECT UNILL 11 PM.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:30 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Marion | 60 min |
| May 15, 11:03 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 42 min |
| May 16, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Scott | 47 min |
| May 16, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 min |
| May 16, 1:14 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 46 min |
| May 16, 4:45 AM CDT | Flash Flood Warning | LSX | Calhoun | 4 hr |
| May 16, 3:47 PM CDT | Flash Flood Warning | LSX | Calhoun, Jersey, Madison | 7 hr |
| May 16, 5:39 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 51 min |
| May 16, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 53 min |
| May 16, 6:07 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 53 min |
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.