Alert archive / Missouri / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 9, NWS St. Louis, MO

April 3, 1989Jefferson County, Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 3, 1989, 12:52 PM CDT for Jefferson County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 68 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 3, 1989, 12:52 PM CDT (17:52 UTC)
Expired
Apr 3, 1989, 2:00 PM CDT
In force
68 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties City of Saint Louis, MO, 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.

What was reported inside it

TimeReportWhereRemark
Apr 3, 1:15 PM CDTHail 1.75St. Louis, MO
Apr 3, 1:25 PM CDTHail 1.75Jefferson, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 5.9 hours before the alert went out and 219 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.

Skew-T log-pSkew-T log-p diagram, Paducah/Barkley, KY at 12:00Z on 1989-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 12:00Z on 1989-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
55 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 031752
SVRSTL
MOC099-189-510-031900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1252 PM CDT MON APR 3 1989
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MISSOURI
          ...NORTHERN JEFFERSON...ST LOUIS...ST LOUIS CITY
 
THE RADAR INDICATED THAT THE SEVERE THUNDERSTORM WAS BETWEEN UNION
AND PACIFIC MISSOURI AT 1250 PM AND WAS MOVING EAST NORTHEAST AT AT
40 MPH.  THIS STORM PRODUCED HAIL TO 3/4 INCH DIAMETER AT UNION
MISSOURI.  THIS STORM WAS LOCATED ABOUT 30 MILES TO THE WEST SOUTHWEST
OF ST LOUIS.  THE STORM HAS A HISTORY OF HAIL AND WILL CONTINUE TO
PRODUCE HAIL IN JEFFERSON...ST LOUIS COUNTY AND ST LOUIS CITY.
 
TUC KER
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPH|ONES
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, Apr 3, 11:41 AM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1135 AM CDT MON APR 3 1989

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4PM THIS AFTERNOON
FROM SOUTHWEST MISSOURI THROUGH EAST CENTRAL MISSOURI.

AT 1133 AM CDT...SCATTERED THUNDERSTORMS WERE IN CENTRAL MISSOURI
BETWEEN COLUMBIA AND JEFFERSON CITY...MOVING TO THE NORTHEAST AT
40 MILES AN HOUR.

PEA SIZE AND MARBLE SIZE HAIL WERE REPORTED WITH THESE STORMS.

LIGHT RAIN WAS IN NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS...MOVING
TO THE NORTHEAST AT 30 MILES AN HOUR.
WIPFLER
Special weather statement, Apr 3, 12:00 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
12 PM CDT MON APR 3 1989

...SEVERE THUNDERSTORM WATCH FOR CENTRAL MISSOURI UNTIL 4PM...
...VERY STRONG THUNDERSTORMS CONTINUE IN CENTRAL MISSOURI...

AT 1156 AM CDT VERY STRONG THUNDERSTORMS CAPABLE OF PRODUCING PEA TO
MARBLE SIZE HAIL...DANGEROUS LIGHTNING...AND WIND GUSTS TO 50 MPH WERE
LOCATED IN CENTRAL MISSOURI FROM 20 MILES WEST OF JEFFERSON CITY NEAR
CALIFORNIA TO 35 MILES SOUTHEAST OF JEFFERSON CITY NEAR OWENSVILLE.
MARBLE SIZE HAIL WAS REPORTED AT LINN IN OSAGE COUNTY AT 1150 AM. THE
STRONGEST STORMS WERE LOCATED JUST WEST OF OWENSVILLE AMD JUST EAST OF
LINN...20 MILES SOUTHEAST OF JEFFERSON CITY. THE STORMS WERE MOVING
EAST AT 40 MPH.

RESIDENTS OF OSAGE AND GASCONADE COUNTY SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER AND BE PREPARED TO SEEK COVER IN A WINDOWLESS
INTERIOR ROOM OR BASEMENT.

HAGEMEYER

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 3, 12:10 PM CDTSevere Thunderstorm WarningLSXFranklin50 min
Apr 3, 12:41 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Warren64 min
Apr 3, 1:42 PM CDTSevere Thunderstorm WarningLSXPerry, Sainte Genevieve48 min
Apr 3, 3:07 PM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Saint Louis38 min
Apr 3, 3:57 PM CDTSevere Thunderstorm WarningLSXReynolds43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.