Alert archive / Missouri / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 64, NWS St. Louis, MO

August 28, 1989Marion County, Monroe County, Ralls County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Aug 28, 1989, 10:33 PM CDT for Marion County, Monroe County, Ralls County, Missouri. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 28, 1989, 10:33 PM CDT (03:33 UTC)
Expired
Aug 28, 1989, 11:15 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Marion County, MO, Monroe County, MO, Ralls 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

Peoria Regional, IL (KPIA), launched 00:00Z, 3.6 hours before the alert went out and 215 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, Peoria Regional, IL at 00:00Z on 1989-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 397 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, Peoria Regional, IL at 00:00Z on 1989-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.19395878Sfc1 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
397 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
840 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 290334
SVRSTL
MOC127-137-173-290415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1033 PM CDT MON AUG 28 1989
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHEAST MISSOURI
          ...SOUTHWESTERN MARION...NORTHEASTERN MONROE...RALLS
 
A SEVERE THUNDERSTORM IN SOUTHEAST SHELBY COUNTY...NEAR SHELBINA OR
ABOUT 40 MILES SOUTHEAST OF KIRKSVILLE...HAS CAUSED DAMAGE TO MANY
BUILDINGS IN SHELBINA.
 
PERSONS IN MONROE CITY OF MONROE COUNTY AND NEW LONDON IN RALLS COUNTY
SHOULD SEEK SHELTER IMMEDIATELY.
 
 
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 DRI8VE 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, Aug 28, 7:25 PM CDT, 3 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
720 PM CDT MON AUG 28 1989

...STRONG THUNDERSTORM OVER WEST CENTRAL MISSOURI...

AT 715 PM AN INTENSE THUNDERSTORM WAS LOCATED 30 MILES NORTHWEST OF
SEDALIA MOVING EAST AT 25 MILES AN HOUR. THIS STORM PRODUCED 3/4
INCH HAIL AT ODESSA 38 MILES NORTHWEST OF SEDALIA AT 700 PM. THE
THUNDERSTORM WILL MOVE INTO NORTHERN PETTIS AND SALINE COUNTIES
BY 800 PM...SO PERSONS IN THOSE COUNTIES SHOULD BE ON THE LOOKOUT
FOR HAIL..GUSTY WINDS...HEAVY RAIN AND VERY DANGEROUS CLOUD TO GROUND
LIGHTNING UNTIL 900 PM.

IF SEVERE WEATHER IS SPOTTED MOVE TO A STRONG BUILDING IMMEDIATELY.
DO NOT STAND NEAR WINDOWS...AND AVOID USING ELECTRICAL APPLIAN:CES.
IF TIME PERMITS RELAY YOUR SEVERE WEATHER REPORT TO THE NEAREAST
LAW ENFORCEMENT AGENCY SO IT CAN BE PASSED ALONG TO THE NATIONAL
WEATHER SERVICE.
LA GREE
Special weather statement, Aug 28, 10:19 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1015 PM CDT MON AUG 28 1989

...STRONG THUNDERSTORM MOVING THROUGH SHELBY COUNTY OF NORTHEAST
MISSOURI...

AT 1010 PM CDT WEATHER SERVICE RADAR IN SAINT LOUIS INDICATED AN
INTENSE THUNDERSTORM IN CENTRAL SHELBY COUNTY...NEAR SHELBYVILLE OR 40
MILES SOUTHEAST OF KIRKSVILLE.

A TROOPER IN THE AREA WAS FORCED TO STOP AT THE SIDE OF THE ROAD AS HE
RAN INTO A "WALL" OF RAINFALL WITH GUSTY WINDS AND PEA-SIZED HAIL.

THIS STORM IS EXPECTED TO MOVE INTO WESTERN MARION COUNTY OF MISSOURI
BY 1100 PM.  THE STORM SHOULD REACH SOUTHERN ADAMS AND WESTERN PIKE
COUNTIES OF ILLINOIS BETWEEN 1130 PM AND MIDNIGHT.

VERY HEAVY RAIN...GUSTY WIND.S...HAIL AND DANGEROUS LIGHTNING ARE
EXPECTED WITH THIS STORM AS IT MOVES TO THE EAST AT 20 MPH.

PERSONS IN THE
EISE
Special weather statement, Aug 28, 10:22 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1015 PM CDT MON AUG 28 1989

...STRONG THUNDERSTORM MOVING THROUGH SHELBY COUNTY OF NORTHEAST
MISSOURI...

AT 1010 PM CDT WEATHER SERVICE RADAR IN SAINT LOUIS INDICATED AN
INTENSE THUNDERSTORM IN CENTRAL SHELBY COUNTY...NEAR SHELBYVILLE OR 40
MILES SOUTHEAST OF KIRKSVILLE.

A TROOPER IN THE AREA WAS FORCED TO STOP AT THE SIDE OF THE ROAD AS HE
RAN INTO A "WALL" OF RAINFALL WITH GUSTY WINDS AND PEA-SIZED HAIL.

THIS STORM IS EXPECTED TO MOVE INTO WESTERN MARION COUNTY OF MISSOURI
BY 1100 PM.  THE STORM SHOULD REACH SOUTHERN ADAMS AND WESTERN PIKE
COUNTIES OF ILLINOIS BETWEEN 1130 PM AND MIDNIGHT.

VERY HEAVY RAIN...GUSTY WINDS...HAIL AND DANGEROUS LIGHTNING ARE
EXPECTED WITH THIS STORM AS IT MOVES TO THE EAST AT 20 MPH.

PERSONS IN THE PATH OF THIS STORM SHOULD BE PREPARED TO PULL OFF THE
ROAD IF YOU ARE OUT DRIVING.  ALSO FLOODING OF LOW-LYING AREAS IS
POSSIBLE.

E2ISE

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; the sounding from the Mesonet's radiosonde archive.