Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 63, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 7, 1990, 6:43 AM CDT for Perry County, Randolph County, Illinois. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1990, 6:43 AM CDT (11:43 UTC)
- Expired
- Jun 7, 1990, 7:30 AM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Perry County, IL, Randolph 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 00:00Z, 11.7 hours before the alert went out and 136 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
- 1297 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 413 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 071146
SVRSTL
ILC145-157-071230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
643 AM CDT THU JUN 7 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL ILLINOIS
...PERRY
IN SOUTHWEST ILLINOIS
...RANDOLPH
AT 643 AM...RADAR INDICATED SEVERE THUNDERSTORMS NEAR RED BUD
IN RANDOLPH COUNTY ILLINOIS AND ANOTHER NEAR COVINGTON
IN WASHINGTON COUNTY ILLINOIS.
THESE STORMS WERE MOVING TO THE EAST SOUTHEAST AROUND 45 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE mHAIL...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, Jun 7, 4:21 AM CDT, 2 hours 22 minutes before
MOZALL-070945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 415 AM CDT THU JUN 7 1990 ...SEVERE THUNDERSTORM WATCH HAS EXPIRED FOR ALL OF MISSOURI... AT 415 AM CDT...STRONG THUNDERSTORMS CONTINUED IN AN EAST-WEST BAND ACROSS CENTRAL MISSOURI. THE THREAT OF SEVERE WEATHER HAS DIMINISHED THOUGH...AND NO SEVERE WEATHER WATCHES ARE IN EFFECT. A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL NOON FOR A BAND THROUGH CENTRAL MISSOURI...WHICH INCLUDES THE ST JOSEPH...KANSAS CITY... COLUMBIA...AND ST LOUIS AREAS.
Special weather statement, Jun 7, 4:30 AM CDT, 2 hours 13 minutes before
MOZ006-009-010-011-071030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 430 AM CDT THU JUN 7 1990 ...FLASH FLOOD WATCH IS IN EFFECT FOR MID-MISSOURI UNTIL NOON... AT 430 AM THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN A 20 MILE WIDE BAND FROM 40 MILES NORTH OF SEDALIA...THROUGH COLUMBIA...TO MONTGOMERY CITY. THE BAND ITSELF WAS NEARLY STATIONARY AS STORMS MOVED EAST THROUGH IT. THE STORMS WILL PRODUCE FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL. FLOODING OF LOW SPOTS WILL OCCUR THROUGHOUT THIS AREA. SLOW DOWN IF DRIVING ON INTERSTATE 70 OR ON ANY ROAD IN THE COUNTIES OF SALINE...HOWARD...BOONE...CALLAWAY AND MONTGOMERY. WATCH FOR AND STAY CLEAR OF FLOWING WATER. GOEBEL
Special weather statement, Jun 7, 4:36 AM CDT, 2 hours 7 minutes before
MOZ010-011-012-ILZ011-012-071030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 436 AM CDT THU JUN 7 1990 ...A FLASH FLOOD WARNING IS IN EFFECT FOR THE MISSOURI COUNTIES OF ST LOUIS AND ST LOUIS CITY...ST CHARLES AND WARREN AND THE ILLINOIS COUNTY OF ST CLAIR TIL 830AM...MISSOURI COUNTY OF LINCOLN TIL 645AM... ...A FLASH FLOOD WATCH IS IN EFFECT ACROSS CENTRAL MISSOURI TIL NOON... AT 427 AM CDT...THUNDERSTORMS WITH VERY HEAVY DOWNPOURS...STRONG GUSTY WINDS...FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AND PEA SIZE HAIL ...WERE OCCURRING IN A LINE FROM AROUND 60 MILES SOUTHEAST OF ST LOUIS AT MT VERNON ILLINOIS THROUGH ST LOUIS TO COLUMBIA MISSOURI. THE STORMS WERE CAUSING FLOODING...ESPECIALLY IN LOW LYING AREAS. RUSH HOUR MOTORIST SHOULD PLAN ON EXTRA DRIVING TIME AND DO NOT ATTEMPT CROSSING FLOWING WATERS OVER ROADWAYS AND BRIDGES. REMAIN IN DOORS IF POSSIBLE UNTIL THE LIGHTNING FREQUENCY HAS SLOWED. STORMS...SOME STRONG...WILL CONTINUE IN PARTS OF THE NORTHERN HALF OF MISSOURI INTO THE SOUTHERN THIRD OF ILLINOIS UNTIL LATE TODAY. END
Special weather statement, Jun 7, 5:38 AM CDT, 1 hour 5 minutes before
MOZ010-011-012-ILZ011-012-071130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 537 AM CDT THU JUN 7 1990 ...A FLASH FLOOD WARNING IS IN EFFECT FOR THE MISSOURI COUNTIES OF ST LOUIS AND ST LOUIS CITY...ST CHARLES AND WARREN AND THE ILLINOIS COUNTY OF ST CLAIR TIL 830AM...MISSOURI COUNTY OF LINCOLN TIL 645AM... ...A FLASH FLOOD WATCH IS IN EFFECT ACROSS CENTRAL MISSOURI TIL NOON... AT 528 AM CDT...THUNDERSTORMS WITH VERY HEAVY DOWNPOURS...STRONG GUSTY WINDS...FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AND PEA SIZE HAIL ...WERE OCCURRING IN A CLUSTER FROM 40 MILES SOUTHEAST OF ST LOUIS AT OKAWVILLE ILLINOIS THROUGH ST LOUIS TO COLUMBIA MISSOURI. THE STORMS WERE CAUSING FLOODING...ESPECIALLY IN LOW LYING AREAS. RUSH HOUR MOTORIST SHOULD PLAN ON EXTRA DRIVING TIME AND DO NOT ATTEMPT CROSSING FLOWING WATERS OVER ROADWAYS AND BRIDGES. REMAIN IN DOORS IF POSSIBLE UNTIL THE LIGHTNING FREQUENCY HAS SLOWED. STORMS...SOME STRONG WITH HEAVY DOWNPOURS...FREQUENT DANGEROUS LIGHTNING AND MAINLY PEA TO MARBLE SIZE HAIL...WILL CONTINUE IN MOST OF THE NORTHERN HALF OF MISSOURI AND THE SOUTHERN THIRD OF ILLINOIS UNTIL LATE TODAY. SOME SMALL RIVERS AND STREAMS IN PARTS OF NORTHERN MISSOURI AND SOUTHERN ILLINOIS WILL FLOOD TO NEAR OR ABOVE FLOOD. END
Special weather statement, Jun 7, 5:42 AM CDT, 1 hour 1 minute before
MOZ006-009-010-011-071200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 540 AM CDT THU JUN 7 1990 ...FLASH FLOOD WATCH IS IN EFFECT FOR MID-MISSOURI UNTIL NOON... AT 540 AM THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED FROM 20 MILES NORTHWEST OF COLUMBIA TO 50 MILES EAST OF COLUMBIA. THERE WAS LITTLE MOVEMENT TO THE BAND SO RAIN WILL ACCUMULATE SIGNIFICANTLY IN THE AREA. THE STORMS WILL ALSO PRODUCE FREQUENT LIGHTNING AND GUSTY WINDS. ALLOW MORE TIME TO REACH YOUR DESTINATION AS SOME ROADS MAY BE FLOODED. STAY AWAY FROM FLOWING WATER WHETHER DRIVING OR WALKING ANYTIME TODAY. GOEBEL
Special weather statement, Jun 7, 6:41 AM CDT, 2 minutes before
MOZ010-011-012-ILZ011-012-071230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 640 AM CDT THU JUN 7 1990 ...A SEVERE THUNDERSTORM WARNING IN EFFECT FOR THE ILLINOIS COUNTIES OF ST CLAIR AND WASHINGTON TIL 730AM... ...A FLASH FLOOD WARNING IS IN EFFECT FOR THE MISSOURI COUNTIES OF ST LOUIS AND ST LOUIS CITY...ST CHARLES AND WARREN AND THE ILLINOIS COUNTY OF ST CLAIR TIL 830AM...MISSOURI COUNTY OF LINCOLN TIL 645AM... ...A FLASH FLOOD WATCH IS IN EFFECT ACROSS CENTRAL MISSOURI TIL NOON... AT 632 AM CDT...THUNDERSTORMS WITH VERY HEAVY DOWNPOURS...STRONG GUSTY WINDS...FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AND POSSIBLE HAIL ...WERE OCCURRING IN A LINE FROM 40 MILES SOUTHEAST OF ST LOUIS NEAR PINCKNEYVILLE ILLINOIS THROUGH ST LOUIS TO NEAR COLUMBIA MISSOURI. THE STORMS WERE CAUSING FLOODING...ESPECIALLY IN LOW LYING AREAS. RUSH HOUR MOTORIST SHOULD PLAN ON EXTRA DRIVING TIME AND DO NOT ATTEMPT CROSSING FLOWING WATERS OVER ROADWAYS AND BRIDGES. REMAIN IN DOORS IF POSSIBLE UNTIL THE LIGHTNING FREQUENCY HAS SLOWED. STORMS...SOME WITH VERY HEAVY DOWNPOURS CAUSING FLOODING... ESPECIALLY OF LOW LYING AREAS AND FREQUENT DANGEROUS CLOUD TO GROUND LIGHTING AND PEA TO MARBLE SIZE HAIL...WILL CONTINUE IN MOST OF THE NORTHERN HALF OF MISSOURI AND THE SOUTHERN THIRD OF ILLINOIS UNTIL LATE TODAY. SOME SMALL RIVERS AND STREAMS IN PARTS OF NORTHERN MISSOURI AND SOUTHERN ILLINOIS WILL FLOOD TO NEAfR OR ABOVE THEIR FLOOD STAGE. END
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 1:20 AM CDT | Severe Thunderstorm Warning | LSX | Effingham, Fayette | 40 min |
| Jun 7, 3:21 AM CDT | Flash Flood Warning | LSX | Saint Clair | 5 hr |
| Jun 7, 6:26 AM CDT | Severe Thunderstorm Warning | LSX | Saint Clair, Washington | 64 min |
| Jun 7, 8:40 AM CDT | Flash Flood Warning | LSX | Monroe | 9 hr |
| Jun 7, 8:40 AM CDT | Flash Flood Warning | LSX | Saint Clair | 9 hr |
| Jun 7, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 65 min |
| Jun 7, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 56 min |
| Jun 7, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 41 min |
| Jun 7, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 41 min |
| Jun 7, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 36 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.