Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 4, NWS Mobile, AL

February 11, 1993Pearl River County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Feb 11, 1993, 5:44 PM CST for Pearl River County, Mississippi. It was in force for 61 min.

The area

The counties it named.

The facts

Issued: Feb 11, 1993, 5:44 PM CST (23:44 UTC)
Expired: Feb 11, 1993, 6:45 PM CST
In force: 61 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.7 hours before the alert went out and 59 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: NaN m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -99 m²/s²
0-3 km storm-relative helicity: -194 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 KMOB 112347
SVRMOB
MSC109-120045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
544 PM CST THU FEB 11 1993
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...SOUTHERN PEARL.RIVER COUNTY
 
AT 540 PM MOBILE WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING
INTO SOUTHWEST PEARL RIVER COUNTY. THIS THUNDERSTORM WAS LOCATED JUST
WEST OF TALISHEEK LOUISIANA AND WAS MOVING EASTWARD AT 35 MPH TOWARDS
PICAYUNE.
 
 
 
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.

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, Feb 11, 5:27 PM CST, 17 minutes before

ALZ013-015-016-MSZ014-013-120030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
525 PM CST THU FEB 11 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST
MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 10 PM CST TONIGHT...

AT 520 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN INTENSE
THUNDERSTORM NEAR FOLSOM IN SOUTHEAST LOUISIANA.  THIS THUNDERSTORM WAS
MOVING EASTWARD AT 35 MPH AND MAY AFFECT PEARL RIVER COUNTY MISSISSIPPI
WITHIN THE NEXT HOUR.

ELSEWHERE OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA...RADAR
INDICATED NO SHOWERS OR THUNDERSTORMS BUT KEEP IN MIND THAT A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT.  THIS MEANS THAT CONDITIONS ARE
FAVORABLE TONIGHT FOR THE FORMATION OF SEVERE THUNDERSTORMS IN OR CLOSE
TO THE WATCH AREA.

STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

Nearby

Severe Thunderstorm Warnings in Mississippi, 1993 Every 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.