Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 69, NWS St. Louis, MO

June 28, 1993Dent County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1993, 4:26 PM CDT for Dent County, Missouri. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1993, 4:26 PM CDT (21:26 UTC)
Expired
Jun 28, 1993, 5:10 PM CDT
In force
44 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Dent County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 9.4 hours before the alert went out and 218 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, Springfield, MO at 12:00Z on 1993-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2194 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, Springfield, MO at 12:00Z on 1993-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2194 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
80 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 
WUUS1 KSTL 282127
SVRLSX
MOC065-282230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
426 PM CDT MON JUN 28 1993
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSOURI
 
   ...DENT COUNTY
 
AT 425 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN
SOUTHWEST DENT COUNTY...ABOUT 30 MILES SOUTH OF ROLLA.
 
THE STORM WAS MOVING NORTHEAST AT 20 MILES AN HOUR...AND WILL BE
AFFECTING MONTAUK STATE PARTK...AS WELL AS THE CITIES OF
JADWIN...GLADDEN...AND SALEM.
 
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 DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
TRUETT

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 28, 12:02 PM CDT, 4 hours 24 minutes before
MOZALL-291200-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
12 NOON CDT MON JUN 28 1993

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS VIRTUALLY ALL
OF MISSOURI...EXCEPT FOR THE SOUTHEAST CORNER...FROM LATE THIS AFTERNOON
INTO TONIGHT.

EMERGENCY MANAGERS AND SKYWARN SPOTTER NETWORKS SHOULD KEEP ADVISED OF
THE LATEST WEATHER FORECASTS FOR POSSIBLE SKYWARN ACTIVATION.

JPK
Special weather statement, Jun 28, 12:02 PM CDT, 4 hours 24 minutes before
MOZALL-291200-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
12 NOON CDT MON JUN 28 1993

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS VIRTUALLY ALL
OF MISSOURI...EXCEPT FOR THE SOUTHEAST CORNER...FROM LATE THIS AFTERNOON
INTO TONIGHT.

EMERGENCY MANAGERS AND SKYWARN SPOTTER NETWORKS SHOULD KEEP ADVISED OF
THE LATEST WEATHER FORECASTS FOR POSSIBLE SKYWARN ACTIVATION.

JPK
Special weather statement, Jun 28, 2:15 PM CDT, 2 hours 11 minutes before
MOZ011-012-017-018-021-022-291600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
215 PM CDT MON JUN 28 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR PARTS OF
EAST CENTRAL AND SOUTHEAST MISSOURI...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI.  THE WATCH IS IN EFFECT
UNTIL 9 PM AND INCLUDES ST LOUIS...ST CHARLES...ROLLA...WEST PLAINS
ST GENEVIEVE AND CAPE GIRARDEAU.

THUNDERSTORMS HAVE ALREADY FORMED FROM WESTERN ILLINOIS SOUTHWEST
INTO THE MISSOURI OZARKS.  AT 210 PM THE STRONGEST STORMS WERE IN
WESTERN ILLINOIS...JUST EAST OF ST LOUIS.  HOWEVER...THE DEVELOPEMENT
OF STRONG THUNDERSTORMS WILL CONTINUE THE REST OF THIS AFTERNOON AND
THROUGH THE EARLY EVENING HOURS.  THE CONDITIONS OVER EAST CENTRAL
AND PARTS OF SOUTHEAST MISSOURI ARE SUCH THAT SOME OF THE STORMS COULD
BECOME SEVERE.

IN ADDITION TO THE SEVERE WEATHER POTENTIAL...LOCALLY HEAVY RAIN IS
ALSO POSSIBLE FROM SOME OF THESE STORMS.

PEOPLE IN THE WATCH AREA SHOULD MONITOR THE LOCAL WEATHER CONDITIONS
CLOSELY THIS AFTERNOON AND THIS EVENING.  YOU SHOULD STAY TUNED TO
NOAA WEATHER RADIO OR LOCAL RADIO OR T.V. STATIONS TO GET THE LATEST
WEATHER INFORMATION.

FERRY
Special weather statement, Jun 28, 2:18 PM CDT, 2 hours 8 minutes before
MOZ011-012-017-018-021-022-291600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
215 PM CDT MON JUN 28 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR PARTS OF
EAST CENTRAL AND SOUTHEAST MISSOURI...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI.  THE WATCH IS IN EFFECT
UNTIL 9 PM AND INCLUDES ST LOUIS...ST CHARLES...ROLLA...WEST PLAINS
ST GENEVIEVE AND CAPE GIRARDEAU.

THUNDERSTORMS HAVE ALREADY FORMED FROM WESTERN ILLINOIS SOUTHWEST
INTO THE MISSOURI OZARKS.  AT 210 PM THE STRONGEST STORMS WERE IN
WESTERN ILLINOIS...JUST EAST OF ST LOUIS.  HOWEVER...THE DEVELOPEMENT
OF STRONG THUNDERSTORMS WILL CONTINUE THE REST OF THIS AFTERNOON AND
THROUGH THE EARLY EVENING HOURS.  THE CONDITIONS OVER EAST CENTRAL
AND PARTS OF SOUTHEAST MISSOURI ARE SUCH THAT SOME OF THE STORMS COULD
BECOME SEVERE.

IN ADDITION TO THE SEVERE WEATHER POTENTIAL...LOCALLY HEAVY RAIN IS
ALSO POSSIBLE FROM SOME OF THESE STORMS.

PEOPLE IN THE WATCH AREA SHOULD MONITOR THE LOCAL WEATHER CONDITIONS
CLOSELY THIS AFTERNOON AND THIS EVENING.  YOU SHOULD STAY TUNED TO
NOAA WEATHER RADIO OR LOCAL RADIO OR T.V. ~STATIONS TO GET THE LATEST
WEATHER INFORMATION.

FERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 3:10 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis35 min
Jun 28, 3:42 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis23 min
Jun 28, 5:13 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis47 min
Jun 28, 5:19 PM CDTSevere Thunderstorm WarningLSXFranklin, Warren41 min
Jun 28, 5:44 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis46 min
Jun 28, 6:30 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis45 min
Jun 28, 6:31 PM CDTFlash Flood WarningLSXFranklin3 hr
Jun 28, 6:54 PM CDTFlash Flood WarningLSXSaint Louis, City of Saint Louis3 hr
Jun 28, 6:54 PM CDTFlash Flood WarningLSXSaint Charles3 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm warning in 1993

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.