Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 11, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 12, 1990, 5:57 PM CDT for Monroe County, Illinois; Jefferson County, Saint Louis County, Missouri. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 12, 1990, 5:57 PM CDT (22:57 UTC)
- Expired
- May 12, 1990, 6:45 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Jefferson County, MO, Saint Louis County, MO
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, 11.0 hours before the alert went out and 209 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
- 1113 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 474 m²/s²
- 0-3 km storm-relative helicity
- 601 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 122301
SVRSTL
ILC119-133-163-MOC099-189-510-122345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
557 PM CDT SAT MAY 12 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST ILLINOIS
...MADISON...MONROE...ST CLAIR
IN EAST CENTRAL MISSOURI
...JEFFERSON...SOUTHERN ST LOUIS...SOUTHERN ST LOUIS CITY
THREE QUARTER INCH HAIL WAS REPORTED IN SOUTH ST LOUIS CITY AT 555 PM
CDT. A LINE OF SEVERE STORMS EXTENDS FROM 30 MILES NORTHEAST OF ST
LOUIS THROUGH SOUTH ST LOUIS CITY TO 20 MILES SOUTHWEST OF ST LOUIS.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.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, May 12, 4:13 PM CDT, 1 hour 44 minutes before
MOZ012-122230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 410 PM CDT SAT MAY 12 1990 ...A VERY STRONG STORM WAS IN WARREN COUNTY MISSOURI... AT 405 PM...A STRONG THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND STRONG GUSTY WIND WAS JUST NORTHEAST OF WARRENTON...WHICH IS 40 MILES WEST NORTHWEST OF ST LOUIS. THIS STORM WAS MOVING EAST AT 30 MPH AND WILL PASS THROUGH SOUTHERN LINCOLN AND NORTHERN LINCOLN COUNTIES OF EAST CENTRAL MISSOURI BETWEEN 415 AND 500 PM. BRIEF VERY HEAVY RAIN...SMALL HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED IN THAT AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL ...SOUTH CENTRAL AND PORTIONS OF EAST CENTRAL MISSOURI UNTIL 10 PM. TUCKER
Special weather statement, May 12, 4:18 PM CDT, 1 hour 39 minutes before
MOZ012-122230- SPECIAL WEATHER STATEMENT...CORRECTION FOR COUNTIES NATIONAL WEATHER SERVICE ST LOUIS MO 410 PM CDT SAT MAY 12 1990 ...A VERY STRONG STORM WAS IN WARREN COUNTY MISSOURI... AT 405 PM...A STRONG THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND STRONG GUSTY WIND WAS JUST NORTHEAST OF WARRENTON...WHICH IS 40 MILES WEST NORTHWEST OF ST LOUIS. THIS STORM WAS MOVING EAST AT 30 MPH AND WILL PASS THROUGH SOUTHERN LINCOLN AND NORTHERN ...ST CHARLES... COUNTIES OF EAST CENTRAL MISSOURI BETWEEN 415 AND 500 PM. BRIEF VERY HEAVY RAIN...SMALL HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED IN THAT AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL ...SOUTH C$ENTRAL AND PORTIONS OF EAST CENTRAL MISSOURI UNTIL 10 PM. TUCKER
Special weather statement, May 12, 4:41 PM CDT, 1 hour 16 minutes before
MOZ010-014-122230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 445 PM CDT SAT MAY 12 1990 ...SEVERE THUNDERSTORM WATCH FOR ALL BUT NORTH CENTRAL MISSOURI UNTIL 10PM... A LINE OF INTENSE THUNDERSTORMS 10 MILES WIDE EXTENDED FROM 55 MILES EAST OF COLUMBIA NEAR WARRENTON TO 50 MILES SOUTHWEST OF ROLLA NEAR LEBANON. THE STRONGEST THUNDERSTORM WAS 20 MILES NORTH OF ROLLA NEAR OWENSVILLE. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR...AND WILL PRODUCUE HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WINDS TO NEAR 50 MILES AN HOUR AND SMALL HAIL. THE LINE WILL EXTEND FROM NEAR ST. LOUIS TO 20 MILES SOUTH OF ROLLA BY 545 PM CDT. PERSONS IN PULASKI...MARIES AND GASCONADE COLUNTIES SHOULD STAY INDOORS UNTIL THESE THUNDERSTORMS PASS THROUGH THEIR AREAS. LA GREE
Special weather statement, May 12, 4:42 PM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 440 PM CDT SAT MAY 12 1990 ...THERE IS A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10PM THIS SATURDAY EVENING FOR CENTRAL AND SOUTH CENTRAL MISSOURI AND A SMALL AREA OF EAST CENTRAL MISSOURI. AT 431 PM CDT...A THUNDERSTORM WITH VERY HEAVY RAIN...STRONG WINDS AND SMALL HAIL WAS OVER MOSCOW CITY MISSOURI...BETWEEN WENTZVILLE AND ELSBERRY MISSOURI. THIS IS PART OF A NARROW BAND OF STRONG THUNDERSTORMS STRETCHING FROM JUST SOUTHEAST OF JEFFERSON CITY NEAR FREEBURG MISSOURI TO NEAR MEDORA ILLINOIS...40 MILES NORTH OF ST LOUIS. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT 45 MILES AN HOUR. PERSONS IN LINCOGLN AND NORTHERN ST CHARLES COUNTIES IN MISSOURI AND CALHOUN AND JERSEY COUNTIES IN ILLINOIS SHOULD BE ON THE ALERT FOR THESE STORMS PASSING THROUGH THEIR AREA. DYER
Special weather statement, May 12, 5:31 PM CDT, 26 minutes before
MOZ011-014-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 535 PM CDT SAT MAY 12 1990 ...SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT IN MID-MISSOURI... THE SEVERE THUNDERSTORM WATCH FOR MUCH OF MISSOURI IS NO LONGER IN EFFECT FOR THE CENTRAL PART OF THE STATE. THE THUNDERSTORMS THAT WERE OVER SOUTHEAST SECTIONS OF MID-MISSOURI HAVE MOVED EAST OUT OF THE AREA. GOEBEL
Special weather statement, May 12, 5:46 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 545 PM CDT SAT MAY 12 1990 ...THERE IS A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM THIS SATURDAY EVENING FOR THE SOUTHEAST QUARTER OF MISSOURI INCLUCING THE ST LOUIS AREA AND THE SOUTHERN THIRD OF ILLINOIS. AT 533 PM CDT...A NARROW BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN... STRONG WINDS AND HAIL STRETCHED FROM NEAR UNION MISSOURI TO ACROSS THE NORTHWEST PART OF THE ST LOUIS AREA TO CARLINVILLE ILLINOIS. THE STORMS WERE MOVING TO THE EAST AT 45 MILES AN HOUR. PERSONS IN ST LOUIS...FRANKLIN AND JEFFERSON COUNTIES IN MISSOURI AND IN MACOUPIN ...MADISON AND ST CLAIR COUNTIES IN ILLINOIS SHOULD BE ON THE ALERT FOR THESE STORMS PASSING THROUGH THEIR AREA. DYER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 4:41 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 49 min |
| May 12, 5:21 PM CDT | Tornado Warning | LSX | Jersey | 39 min |
| May 12, 5:57 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 48 min |
| May 12, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 47 min |
| May 12, 6:50 PM CDT | Severe Thunderstorm Warning | LSX | Effingham | 40 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1990Severe 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.