Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 75, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 7, 1990, 11:28 PM CDT for Saint Clair County, Illinois. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1990, 11:28 PM CDT (04:28 UTC)
- Expired
- Jun 8, 1990, 12:00 AM CDT
- In force
- 32 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Clair 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, 4.5 hours before the alert went out and 189 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
- 1169 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1843 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 080424
SVRSTL
ILC163-080500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1128 PM CDT THU JUN 7 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST ILLINOIS
...ST CLAIR
A SEVERE THUNDERSTORM WAS LOCATED ALONG THE MISSISSIPPI RIVER
MOVING FROM ST LOUIS COUNTY MISSOURI INTO ST CLAIR COUNTY.
1 INCH HAIL HAS BEEN REPORTED WITH THIS STORM. IT WILL MOVE
ACROSS ST CLAIR COUNTY ILLINOIS INCLUDING BELLEVILLE BETWEEN 1125
PM UNTIL MIDNIGHT.
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.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, 6:44 PM CDT, 4 hours 44 minutes before
MOZALL-080030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 640 PM CDT THU JUN 7 1990 ...TORNADO WATCHES ARE IN EFFECT FOR CENTRAL AND SOUTHERN ILLINOIS UNTIL 10 PM CDT AND FOR CENTRAL AND NORTHERN MISSOURI UNTIL MIDNIGHT... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR CENTRAL AND EAST MISSOURI TONIGHT... AT 630 PM CDT...A STRONG THUNDERSTORM WAS IN CENTRAL MISSOURI...25 MILES NORTHWEST OF COLUMBIA NEAR THE TOWN OF FAYETTE. VERY HEAVY RAIN...GUSTY WINDS AND HAIL MAY ACCOMPANY THIS STORM. OTHER THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING 20 MILES NORTH OF ROLLA IN EAST CENTRAL MISSOURI...AND WERE SCATTERED IN SOUTHERN ILLINOIS FROM JUST EAST OF ALTON TO 25 MILES WEST OF MT VERNON. THESE STORMS WERE PART OF AN AREA OF SHOWERS AND THUNDERSTORMS THAT COVERED MUCH OF CENTRAL AND SOUTHERN ILLINOIS AND PARTS OF CENTRAL AND EAST CENTRAL MISSOURI. RADAR NOWCAST...SHOWERS AND THUNDERSTORMS WILL CONTINUE TONIGHT IN PARTS OF BOTH MISSOURI AND ILLINOIS. HUTSELL
Special weather statement, Jun 7, 9:38 PM CDT, 1 hour 50 minutes before
MOZI012-080400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 930 PM CDT THU JUN 7 1990 ...ST LOUIS IS IN FOR MORE RAIN... A LINE OF SHOWERS AND THUNDERSTORMS HAS BEEN DEVELOPING JUST TO THE WEST OF ST LOUIS AND STRETCHES WESTWARD TO THE LAKE OF THE OZARKS AREA. THESE STORMS ARE SLOWING THEIR EASTWARD MOVEMENT BUT SHOULD EASE INTO ST LOUIS BETWEEN 930 AND 1030 PM THIS EVENING. BRIEFLY HEAVY DOWNPOURS WILL OCCUR..BUT THE PRECIPITATION DURING THE NEXT HOUR OR TWO SHOULD NOT BE EXCESSIVE. THE FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE REMAINDER OF TONIGHT. AN EXTREMELY INTENSE STORM WAS LOCATED JUST WEST OF JEFFERSON CITY AT 930 PM. THIS STORM HAS REMAINED NEARLY STATIONARY SINCE 7 PM THIS EVENING. RESIDENTS OF THE ST LOUIS AREA CAN EXPECT PRETTY MUCH CONTINUOUS SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT OR 1 AM. SINCE THE GROUND IS THOROUGHLY SATURATED KEEP ABREAST OF LOCAL CONDITIONS IF YOU ARE OUTS7IDE THIS EVENING. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT. REMEMBER...DO NOT DRIVE ACROSS FLOODED ROADS. PEDIGO
Special weather statement, Jun 7, 9:47 PM CDT, 1 hour 41 minutes before
MOZ011-080330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 940 PM CDT THU JUN 7 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR EAST CENTRAL MISSOURI...INCLUDING THE ST LOUIS METRO AREA... AT 933 PM CDT...STRONG THUNDERSTORMS WERE OCCURRING IN CENTRAL AND EAST CENTRAL MISSOURI. ONE STORM WAS LOCATED JUST WEST OF JEFFERSON CITY...ANOTHER 25 MILES EAST OF COLUMBIA NEAR MONTGOMERY CITY...AND OTHERS 25 TO 40 MILES WEST OF ST LOUIS. THESE ARE POTENTIALLY SEVERE STORMS THAT MAY CAUSE STRONG GUSTY WINDS...HAIL AND FLOODING OF STREETS AND LOW AREAS. THE STORMS WERE MOVING TO THE EAST AT 10 MILES AN HOUR. THEY WERE PART OF AN AREA OF SHOWERS AND THUNDERSTORMS THAT STRETCHED FROM CENTRAL MISSOURI INTO SOUTHWEST ILLINOIS. OTHER THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN WEST CENTRAL ILLINOIS BETWEEN QUINCY AND PEORIA. THESE WERE PART OF AN AREA OF SHOWERS AND STORMS THAT STRETCHED RFROM NEAR KEOKUK IOWA TO NEAR BLOOMINGTON IN EAST CENTRAL ILLINOIS. THEY WERE MOVING TO THE EAST AT 30 MILES AN HOUR. HUTSELL
Special weather statement, Jun 7, 10:24 PM CDT, 1 hour 4 minutes before
MOZALL-080500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1020 PM CDT THU JUN 7 1990 ...TORNADO WATCH 410 HAS BEEN CANCELLED FOR NORTHEAST MISSOURI... ...THE FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTH AND CENTRAL MISSOURI THROUGH THE REST OF TONIGHT... AT 1015 PM A BROKEN LINE OF THUNDERSTORMS TRAILED FROM JUST NORTHEAST OF ST LOUIS WESTWARD INTO CENTRAL KANSAS. HEAVIEST STORMS WERE LOCATED IN ST LOUIS...JUST WEST OF JEFFERSON CITY...WITH SEVERAL STRONG STORMS IN EASTERN KANSAS. BETWEEN 1000 PM AND 1010 PM WIND GUSTS TO 45 TO 50 MPH WERE REPORTED AT GODFREY ILLINOIS...JUST NORTHEAST OF ST LOUIS...AND JUST TO THE SOUTHEAST OF ST LOUIS LAMBERT FIELD. MISSOURI ZONES 2 3 6 AND 7...THE NORTHEAST QUARTER OF MISSOURI WERE ELIMINATED FROM THE TORNADO WATCH NUMBER 410. THUNDERSTORMS WILL CONTINUE THROUGH THE NIGHT IN THIS AREA...HOWEVER THERE IS NO IMMEDIATE THREAT OF SEVERE WEATHER. THE FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE REMAINDER OF TONIGHT. FOR NORTH AND CENTRAL MISSOURI..MISSOURI ZONES 1 THROUGH 14. THIS IS AN AREA NORTH OF A LINE FROM LAKE OF THE OZARKS TO JUST SOUTH OF ST LOUIS. AN ACTIVE WEATHER NIGHT IS STILL QUITE POSSIBLE. VERY HEAVY RAINS ;MAY BE POSSIBLE IN SOME OF THESE STORMS THROUGHT THE NIGHT. PEDIGO
Special weather statement, Jun 7, 10:43 PM CDT, 45 minutes before
MOZALL-080530- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 1040 PM CDT THU JUN 7 1990 ... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT FOR EAST CENTRAL MISSOURI INCLUDING THE SAINT LOUIS METRO AREA. ...THE FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTH AND CENTRAL MISSOURI THROUGH THE REST OF TONIGHT... AT 1028 PM...STRONG THUNDERSTORMS WERE SCATTERED FROM CENTRAL MISSOURI NEAR JEFFERSON CITY TO EAST CENTRAL MISSOURI NEAR ST LOUIS. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...INTENSE LIGHTNING...STRONG GUSTY WINDS AND POSSIBLY HAIL AS THEY MOVE TO THE EAST AT 10 TO 15 MILES AN HOUR. OTHER THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED FROM WEST CENTRAL TO EAST CENTRAL ILLINOIS...FROM 25 MILES NORTHEAST OF QUINCY TO NEAR BLOOMINGTON ILLINOIS. THESE STORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR. HUTSELL
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.