Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 60, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 6, 1990, 10:54 AM CDT for Washington County, Missouri. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1990, 10:54 AM CDT (15:54 UTC)
- Expired
- Jun 6, 1990, 11:30 AM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Washington 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, 3.9 hours before the alert went out and 216 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
- 154 J/kg
- Mixed-layer CIN
- -506 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 60 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 061555
SVRSTL
MOC221-061630-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1054 AM CDT WED JUN 6 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL MISSOURI
...NORTHERN WASHINGTON
RADAR INDICATES THAT A SEVERE THUNDERSTORMS NEAR SULLIVAN MISSOURI OR
ABOUT 50 MILES SOUTHWEST OF ST LOUIS HAS TAKEN A TURN TOWARDS THE
SOUTHEAST AND IS MOVING TOWARDS NORTHERN WASHINGTON COUNTY.
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, Jun 6, 9:00 AM CDT, 1 hour 54 minutes before
MOZ011-012-061330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 855 AM CDT WED JUN 6 1990 ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE ST LOUIS METROPOLITAN AREA UNTIL 6 PM CDT THIS WEDNESDAY EVENING... AT 849 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINS...STRONG GUSTY WINDS AND POSSIBLE HAIL WERE OCCURRING IN A LARGE AREA COVERING MOST OF CENTRAL AND EAST CENTRAL MISSOURI...FROM 25 MILES EAST OF COLUMBIA TO THE ST LOUIS MISSOURI METRO AREA. THE STRONGER STORMS WERE LOCATED... ...ACROSS WEST AND SOUTH ST LOUIS COUNTY...WHERE PEA-SIZE HAIL HAS BEEN REPORTED AT I270 AND MANCHESTER... ...IN AN AREA BOUNDED BY HERMANN...NEW HAVEN...AND ROSEBUD MISSOURI OR ABOUT 50 MILES WEST OF ST LOUIS... ...BETWEEN MONTGOMERY CITY AND WARRENTON MISSOURI OR ABOUT 60 MILES WEST-NORTHWEST OF ST LOUIS... ...JUST SOUTHWEST OF KINGDOM CITY OR 75 MILES WEST-NORTHWEST OF ST LOUIS... ...BETWEEN AUGUSTA AND BEARDSTOWN ILLINOIS OR 100 MIRLES NORTH OF ST LOUIS.. THESE STORMS WERE MOVING TO THE EAST AT 45 MILES AN HOUR. VERY HEAVY RAIN HAIL AND STRONG WIND MAY OCCUR WITH THESE STORMS. SOME FLOODING IS EXPECTED IN LOW LYING AREAS. EISE
Special weather statement, Jun 6, 9:36 AM CDT, 1 hour 18 minutes before
MOZALL-061330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 935 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE NORTH HALF OF MISSOURI UNTIL NOON CDT... ...FLASH FLOOD WATCH IN EFFECT FOR CENTRAL AND EAST CENTRAL MISSOURI... AT 925 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINS...STRONG GUSTY WINDS AND HAIL WERE OCCURRING FROM CENTRAL MISSOURI TO SOUTHWEST ILLINOIS. THIS AREA EXTENDED FRON NEAR COLUMBIA MISSOURI TO JUST NORTHEAST OF ALTON ILLINOIS. THE STRONGER STORM WERE NEAR WASHINGTON ANF UNION MISSOURI. THESE STORMS WERE MOVING TO THE EAST AT 45 MILES AN HOUR. VERY HEAVY RAIN HAIL AND STRONG WIND MAY OCCUR WITH THESE STORMS. SOME FLOODING COULD OCCUR IN LOW LYING AREAS.
Special weather statement, Jun 6, 9:50 AM CDT, 1 hour 4 minutes before
MOZ006-009-010-061550- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 950 AM CDT WED JUN 6 1990 ...WATCHES FOR SEVERE THUNDERSTORMS AND FLASH FLOODS ARE IN EFFECT FOR MUCH OF CENTRAL MISSOURI THIS MORNING... AT 945 AM THUNDERSTORMS WERE IN A 50 MILE WIDE BAND RUNNING ALONG THE MISSOURI RIVER. THE STRONGEST STORMS WERE 40 MILES WEST OF COLUMBIA AND OVER COLUMBIA...AS WELL AS OSAGE COUNTY. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR WITH DOWNPOURS CAUSING SOME LOCALIZED FLOODING. FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL WILL ALSO BE PREVALENT. STAY INSIDE A CAR OR BUILDING IF YOU HEAR THUNDER TO PROTECT YOURSELF FROM LIGHTNING. DO NOT DRIVE INTO FLOODED AREAS. LISTEN TO NOAA WEATHER RADIO OR OTHER RADIO AND TV FOR THE LATEST INFORMATION INCLUDING WARNINGS. GET INSIDE A STRONG BUILDING IF A WARNING IS ISSUED FOR WHERE YOU ARE. GOEBEL
Special weather statement, Jun 6, 9:51 AM CDT, 1 hour 3 minutes before
MOZALL-061330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 935 AM CDT WED JUN 6 1990 THE PORTION OF SEVERE THUNDERSTORM WATCH NUMBER 397 WHICH INCLUDES THE EXTREME NORTHWEST SECTIONS INCLUDING THE KANSAS CITY AND ST JOSEPH AREAS HAS BEE TERMINATED. A FLASH FLOOD IS IN EFFECT UNTIL NOON. WS
Special weather statement, Jun 6, 10:09 AM CDT, 45 minutes before
MOZ011-012-061530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1005 AM CDT WED JUN 6 1990 ...A FLASH FLOOD WATCH IN EFFECT FOR THE ST LOUIS METRO AREA UNTIL 6 PM THIS EVENING... AT 1005 AM CDT RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED... ...IN SOUTH ST LOUIS COUNTY... ...NEAR PACIFIC MISSOURI OR ABOUT 25 MILES SOUTHWEST OF ST LOUIS... ...NEAR ROSEBUD OR ABOUT 60 MILES WEST-SOUTHWEST OF ST LOUIS... FLOODING OF LOW-LYING AREAS AND PEA-SIZED HAIL MAY BE EXPECTED WITH THESE STORMS AS THEY MOVE TO THE EAST AT 45 MILES AN HOUR. EISE
Special weather statement, Jun 6, 10:42 AM CDT, 12 minutes before
MOZALL-061330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 1035 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE NORTH HALF OF MISSOURI UNTIL NOON CDT... ...FLASH FLOOD WATCH IN EFFECT FOR CENTRAL AND EAST CENTRAL MISSOURI... AT 1025 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINS...STRONG GUSTY WINDS AND HAIL WERE OCCURRING FROM CENTRAL MISSOURI TO SOUTHWEST ILLINOIS. THIS AREA EXTENDED FRON NEAR ROLLA MISSOURI TO NEAR VANDALIA ILLINOIS. THE STRONGER STORM WERE NEAR COLUMBIA...ROSEBUD AND JUST SOUTH OF ST LOUIS MISSOURI. IN ILLINOIS STRONG STORMS WERE NEAR VANDALIA. THESE STORMS WERE MOVING TO THE EAST AT 45 MILES AN HOUR. VERY HEAVY RAIN HAIL AND STRONG WIND MAY OCCUR WITH THESE STORMS. SOME FLOODING COULD OCCUR IN LOW LYING AREAS.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 10:37 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 28 min |
| Jun 6, 11:15 AM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Jun 6, 11:15 AM CDT | Flash Flood Warning | LSX | Franklin, Lincoln, Saint Charles, Warren | 3 hr |
| Jun 6, 11:15 AM CDT | Flash Flood Warning | LSX | Jefferson | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.