Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 95, NWS St. Louis, MO

October 17, 1990Franklin County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Oct 17, 1990, 4:29 PM CDT for Franklin County, Warren County, Missouri. It was in force for 46 min. 1 report 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
Oct 17, 1990, 4:29 PM CDT (21:29 UTC)
Expired
Oct 17, 1990, 5:15 PM CDT
In force
46 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Franklin County, MO, Warren 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
Oct 17, 5:02 PM CDTThunderstorm Wind 0Franklin, 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, 9.5 hours before the alert went out and 271 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 1990-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 172134
SVRSTL
MOC071-MOC219-172215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
429 PM CDT WED OCT 17 1990
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MISSOURI
          ...FRANKLIN...WARREN
 
AT 428 PM...RADAR INDICATED A SEVERE THUNDERSTORM 45 MILES WEST
SOUTHWEST OF ST LOUIS...NEAR NEW HAVEN MOVING NORTHEAST AT 35 MPH.
WINDS OF 60 TO 70 MPH ARE EXPECTED WITH THIS STORM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OdR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
TUCKER

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, Oct 17, 10:36 AM CDT, 5 hours 53 minutes before
MOZALL-180200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1030 AM CDT WED OCT 17 1990

...SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF MISSOURI THIS
AFTERNOON AND EVENING...

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP EARLY THIS AFTERNOON
ACROSS MISSOURI.  A FEW OF THE THUNDERSTORMS MAY BE SEVERE TO THE EAST
OF A LINE FROM NEAR JOPLIN TO SEDALIA TO KIRKSVILLE.

A STRONG COLD FRONT HAS PUSHED INTO THE NORTHWEST CORNER OF MISSOURI.
SHOWERS AND THUNDERSTORMS ARE EXPECTED AHEAD OF THIS FRONT AS IT
SWEEPS ACROSS THE STATE THIS AFTERNOON AND EARLY TONIGHT.
Special weather statement, Oct 17, 2:42 PM CDT, 1 hour 47 minutes before
MOZ006-009-010-013-014-172030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
230 PM CDT WED OCT 17 1990

...A TORNADO WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI TIL 8PM...

STRONG THUNDERSTORMS WERE DEVELOPING ALONG A NARROW LINE ABOUT 10 MILES
WIDE...IN NORTH AND WEST CENTRAL MISSOURI FROM NEAR KIRKSVILLE TO 30
MILES WEST OF COLUMBIA TO 40 MILES SOUTH OF SEDALIA.  THE LINE WAS MOVING
EAST AT 35 MPH AND THE THUNDERSTORMS IN THE LINE WERE MOVING NORTHEAST
AT 40 MPH.  OTHER THUNDERSTORMS WITH BRIEF HEAVY RAIN WERE SCATTERED
AHEAD OF THIS LINE THROUGHOUT THE REST OF CENTRAL MISSOURI.

THE THUNDERSTORMS SHOULD MOVE QUICKLY THROUGH CENTRAL MISSOURI PRODUCING
BRIEF HEAVY RAINS AND SOME HAIL.  A TORNADO WATCH IS IN EFFECT UNTIL 8PM
AND THE POTENTIAL FOR SEVERE WEATHER WILL CONTINUE UNTIL THE LINE OF
STORMS PASS THROUGH THE AREA BETWEEN 230 AND 6PM.  IT WILL TURN SHARPLY
COLDER BEHIND THIS SYSTEM AND CONTINUE WINDY THROUGH THE NIGHT.
LARM
Special weather statement, Oct 17, 3:53 PM CDT, 36 minutes before
MOZ003-006-007-011-012-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
348 PM CDT WED OCT 17 1990

...A LINE OF STRONG THUNDERSTORMS EXTENDS FROM NORTHEAST THROUGH CENTRAL
MISSOURI...

AT 345 PM...A LINE OF THUNDERSTORMS EXTENDED FROM 30 MILES WEST OF
HANNIBAL...MISSOURI TO NEAR COLUMBIA...MISSOURI.  THESE STORMS WERE
MOVING NORTHEAST AT 30 MPH.  THE STORMS WILL MOVE THROUGH THE
NORTHEAST MISSOURI COUNTIES OF MARION...RALLS...MONROE AND PIKE
BETWEEN 400 AND 500 PM AND THROUGH THE ILLINOIS COUNTIES OF ADAMS...
BROWN AND PIKE BETWEEN 430 AND 530 PM.

THE STORMS WILL PRODUCE GUSTY WINDS...BRIEF HEAVY RAIN AND POSSIBLE
HAIL.  A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND
NORTHEAST MISSOURI UNTIL 8 PM.

TUCKER
Special weather statement, Oct 17, 3:54 PM CDT, 35 minutes before
MOZ003-006-007-011-012-172200-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE ST LOUIS MO
348 PM CDT WED OCT 17 1990

...A LINE OF STRONG THUNDERSTORMS EXTENDS FROM NORTHEAST THROUGH CENTRAL
MISSOURI...

AT 345 PM...A LINE OF THUNDERSTORMS EXTENDED FROM 30 MILES WEST OF
HANNIBAL...MISSOURI TO NEAR COLUMBIA...MISSOURI.  THESE STORMS WERE
MOVING NORTHEAST AT 30 MPH.  THE STORMS WILL MOVE THROUGH THE
NORTHEAST MISSOURI COUNTIES OF MARION...RALLS...MONROE AND PIKE
BETWEEN 400 AND 500 PM AND THROUGH THE ILLINOIS COUNTIES OF ADAMS...
BROWN AND PIKE BETWEEN 430 AND 530 PM.

THE STORMS WILL PRODUCE GUSTY WINDS...BRIEF HEAVY RAIN AND POSSIBLE
HAIL.  A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND
NORTHEAST MISSOURI UNTIL 8 PM.

TUCKER
Special weather statement, Oct 17, 4:07 PM CDT, 22 minutes before
MOZ011-012-017-018-172230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
410 PM CDT WED OCT 17 1990

...STRONG THUNDERSTORMS WILL MOVE THROUGH PORTIONS OF EAST CENTRAL
MISSOURI...

AT 400 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEAR HERMANN
...OR ABOUT 50 MILES WEST OF ST LOUIS TO NEAR EDGAR SPRINGS...OR ABOUT
85 MILES SOUTHWEST OF ST LOUIS.  THESE STORMS WERE MOVING NORTHEAST
AT 30 MPH.

THE STORMS WILL PRODUCE BRIEF+ HEAVY RAIN...STRONG GUSTY WINDS AND
POSSIBLE HAIL FOR WARREN...FRANKLIN...CRAWFORD AND LINCOLN COUNTIES
BETWEEN 430 PM AND 600 PM.

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND NORTHEAST
MISSOURI UNTIL 8 PM.
TUCKER

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 4:25 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls50 min
Oct 17, 5:19 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis41 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.