Alert archive / Missouri / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 6, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 17, 1989, 6:05 PM CST for City of Saint Louis, Missouri; Saint Clair County, Illinois. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1989, 6:05 PM CST (00:05 UTC)
- Expired
- Mar 17, 1989, 6:30 PM CST
- In force
- 25 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
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, 0.1 hours before the alert went out and 203 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
- 199 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1765 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 352 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 180008
SVRSTL
MOC510-ILC163-180030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
605 PM CST FRI MAR 17 1989
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CST FOR PEOPLE IN
THE FOLLOWING COUNTIES...
IN EAST CENTRAL MISSOURI...
THE CITY OF ST LOUIS
IN SOUTHWEST ILLINOIS...
NORTHERN ST CLAIR
AT 6 PM TWO LARGE SEVERE THUNDERSTORMS WERE IN THE ST LOUIS AREA...ONE
OVER THE CITY OF ST LOUIS...THE OTHER JUST EAST OF ST LOUIS...ON THE
MADISON...ST. CLAIR COUNTY LINE. THE TWO STORMS HAVE SLOWED TO ABOUT
30 MPH AND WERE MOVING ALMOST DUE EAST. THEY COULD PRODUCE MORE LARGE
HAIL...ALONG WITH STRONG WINDS...DEADLY LIGHTNING AND EXTREMELY HEAVY
RAIN. THE HEAVY RAIN WILL CAUSE SOME TEMPORARY FLOODING OF SOME
STREETS...STORM DRAINS...AND LOW LYING AREAS.
PROTECT YOURSELF FROM THE DANGERS OF LARGE HAIL...DhAMAGING WINDS AND
DEADLY LIGHTNING BY REMAINING INDOORS AS THE STORMS PASSES. REMEMBER
THAT A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
MCCARTHYWhat 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, Mar 17, 3:16 PM CST, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 315 PM CST FRI MAR 17 1989 ...THUNDERSTORMS DEVELOPING OVER CENTRAL MISSOURI... AT 300 PM THUNDERSTORMS WERE DEVELOPING OVER EAST CENTRAL MISSOURI IN A 10 MILES WIDE LINE FROM 40 MILES NORTHEAST OF COLUMBIA TO 15 MILES EAST OF JEFFERSON CITY. THE STRONGEST STORM WAS OVER LINN IN OSAGE COUNTY...15 MILES EAST OF JEFFERSON CITY. THE OSAGE COUNTY SHERIFF REPORTED PEA SIZED HAIL WIwTH THIS STORM AT 305 PM. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. PERSONS IN THE AREA OF THESE STORMS SHOULD BE ALERT FOR LARGE HAIL AND VERY HEAVY. LISTEN FOR LATER STATEMENTS. MET
Special weather statement, Mar 17, 3:17 PM CST, 2 hours 48 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION TO LAST PARAGRAPH... NATIONAL WEATHER SERVICE COLUMBIA MO 315 PM CST FRI MAR 17 1989 ...THUNDERSTORMS DEVELOPING OVER CENTRAL MISSOURI... AT 300 PM THUNDERSTORMS WERE DEVELOPING OVER EAST CENTRAL MISSOURI IN A 10 MILES WIDE LINE FROM 40 MILES NORTHEAST OF COLUMBIA TO 15 MILES EAST OF JEFFERSON CITY. THE STRONGEST STORM WAS OVER LINN IN OSAGE COUNTY...15 MILES EAST OF JEFFERSON CITY. THE OSAGE COUNTY SHERIFF REPORTED PEA SIZED HAIL WITH THIS STORM AT 305 PM. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. PERSONS IN THE AREA OF THESE STORMS SHOULD BE ALERT FOR LARGE HAIL AND VERY HEAVY RAIN. LISTEN FOR LATER STATEMENzTS. MET
Special weather statement, Mar 17, 3:24 PM CST, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 325 PM CST FRI MAR 17 1989 ...STRONG THUNDERSTORM IN EAST CENTRAL MISSOURI... AT 320 PM RADAR INDICATED A STRONG THUNDERSTORM IN EAST CENTRAL MISSOURI JUST WEST OF MONTGOMERY CITY OR 30 MILES EAST NORTHEAST OF COLUMBIA. THE STORM IS MOVING TO THE NORTHEAST AT 50 MPH. HAIL AND STRONG WINDS ARE EXPECTED IN MONTGOMERY COUNTY AS THE STORM MOVES NEAR MONTGOMERY CITY AND WELLSVILLE BETWEEN 330 AND 4 PM. HAMILTON
Special weather statement, Mar 17, 4:55 PM CST, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 455 PM CST FRI MAR 17 1989 ...TORNADO WATCH OF PORTIONS OF EAST CENTRAL MISSOURI UNTIL 10 PM... ...STRONG THUNDERSTORMS OVER SOUTHWEST CENTRAL MISSOURI... AT 445 PM STRONG THUNDERSTORMS WERE OVER BENTON AND MORGAN COUNTIES IN A 15 MILE WIDE AREA FROM 40 MILES WEST OF JEFFERSON CITY...JUST NORTH OF STOVER...TO 75 MILES SOUTHWEST OF JEFFERSON CITY...15 MILES SOUTHWEST OF WARSAW. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT 50 MILES AN HOUR. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR PEA TO MARBLE SIZED HAIL AND VERY HEAVY RAIN. THE STRONGEST STORM WAS SOUTHWEST OF WARSAW AND WILL BE MOVING THROUGH WARSAW BETWEEN 455 PM AND 505 PM. BOATERS ON TRUMAN LAKE SHOULD SEEK SHELTER. MET
Nearby
Severe Thunderstorm Warnings in Missouri, 1989Severe Thunderstorm Warnings in Illinois, 1989Every severe thunderstorm warning in 1989
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.