Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 58, NWS St. Louis, MO

June 2, 1990Franklin County, Saint Louis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 2, 1990, 3:03 PM CDT for Franklin County, Saint Louis County, Missouri. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1990, 3:03 PM CDT (20:03 UTC)
Expired
Jun 2, 1990, 3:45 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Franklin 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.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.1 hours before the alert went out and 243 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 1990-06-02Temperature 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 1990-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.193958Sfc1 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
43 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
337 m²/s²
Significant tornado parameter
0.0
Supercell composite
12.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 022006
SVRSTL
MOC071-189-022045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
303 PM CDT SAT JUN 2 1990
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MISSOURI
          ...NORTHEASTERN FRANKLIN...WESTERN ST LOUIS
 
A SEVERE THUNDERSTORM WAS LOCATED IN FRANKLIN COUNTY AND
WILL MOVE INTO ST LOUIS COUNTY BEFORE 330 PM. DAMAGING WINDS
AND HAIL ARE LIKELY 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 OR NO ADVA9NCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
FELDT

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 2, 9:52 AM CDT, 5 hours 11 minutes before
MOZ012-021700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
945 AM CDT SAT JUN 2 1990

...IT WILL BE A STORMY DAY IN ST. LOUIS...

AT 945 AM...NUMEROUS BANDS OF THUNDERSTORMS WERE LOCATED IN MISSOURI.
A WEAK AREA OF SHOWERS WAS CURRENTLY MOVING ACROSS ST LOUIS WITH
GENERALLY ONLY LIGHT SHOWERS.  ANOTHER NARROW BAND OF THUNDERSTORMS
WAS 40 MILES WEST AND SOUTH OF ST LOUIS AND WILL MOVE ACROSS THE METRO
AREA BEFORE NOON.

STILL ANOTHER AREA WAS LOCATED IN CENTRAL MISSOURI.  THIS COULD BE THE
STRONGEST LINE OF STORMS AND IT WILL REACH ST LOUIS DURING THE MID OR
LATE AFTERNOON HOURS.

THUS...LOOK FOR SEVERE PERIODS OF SHOWERS AND STORMS IN THE ST LOUIS
AREA THROUGHOUT THE AFTERNOON.  THE GREATEST THREAT FOR SEVERE WEATHER
WILL BE FROM 2 AND 6PM.

FELDT
Special weather statement, Jun 2, 11:46 AM CDT, 3 hours 17 minutes before
MOZALL-021900-

SPECIAL WEATHER STATEMENT AND MISSOURI WEATHER SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 AM CDT SAT JUN 2 1990

...THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS ACROSS EAST MISSOURI
THIS AFTERNOON AND EVENING...

AS OF 11 AM...A COLD FRONT EXTENDED ACROSS CENTRAL IOWA INTO CENTRAL
MISSOURI.  SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THIS
FRONT THIS AFTERNOON AND CONTINUE INTO THE EVENING.

SEVERE STORMS ARE LIKELY TO DEVELOP IN EAST MISSOURI BETWEEN 2 AND 4
PM THEN MOVE ACROSS ILLINOIS AND INDIANA LATE THIS AFTERNOON INTO THE
NIGHT.

SOME OF THESE STORMS COULD CONTAIN DAMAGING WINDS AND HAIL.

AS OF MIDDAY...NO SEVERE WEATHER HAD BEEN REPORTED IN MISSOU%RI.  THE
NATIONAL WEATHER SERVICE WILL WATCH THIS SITUATION THROUGH THE
AFTERNOON.  ANOTHER STATEMENT WILL BE ISSUED AROUND 1 PM OR SOONER IF
NEEDED.

FELDT
Special weather statement, Jun 2, 2:33 PM CDT, 30 minutes before
MOZALL-022020-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
227 PM CDT SAT JUN 2 1990

...A STRONG THUNDERSTORM DEVELOPED RAPIDLY JUST NORTH OF CUBA
MISSOURI...

AT 225 PM...A THUNDERSTORM WAS JUST NORTH OF CUBA...MISSOURI OR ABOUT
60 MILES WEST...SOUTHWEST OF ST LOUIS.  THIS STORM HAD DEVELOPED VERY
RAPIDLY.  IT IS EXPECTED TO MOVE EAST NORTHEAST AT 35 MPH AND WILL
MOVE THROUGH SULLIVAN AND HEAD JUST SOUTH OF UNION...MISSOURI.
ANOTHER STRONG THUNDERSTORM WAS ABOUT 25 MILES NORTH OF CAPE
GIRARDEAU.  THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...STRONG
GUSTY WIND AND POSSIBLY HAIL...AS THEY MOVE TO THE NORTHEAST AT 35 MPH.

TUCKER
Special weather statement, Jun 2, 2:51 PM CDT, 12 minutes before
MOZALL-022030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
248 PM CDT SAT JUN 2 1990

...A VERY STRONG THUNDERSTORM WAS MOVING TOWARD UNION MISSOURI...

AT 252 PM...A THUNDERSTORM WAS ABOUT 50 MILES WEST...SOUTHWEST OF
ST LOUIS AND WAS HEADING TOWARD UNION.  THIS STORM WILL PRODUCE HAIL
AND VERY STRONG WINDS...AS WELL AS BRIEF VERY HEAVY RAIN IN FRANKLIN
COUNTY BETWEEN 3 AND 330 PM.

TUCKER

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.