Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 13, NWS Mobile, AL

March 25, 1993Hancock County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 25, 1993, 2:39 PM CST for Hancock County, Mississippi. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Mar 25, 1993, 2:39 PM CST (20:39 UTC)
Expired
Mar 25, 1993, 3:45 PM CST
In force
66 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Hancock County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 hours before the alert went out and 27 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, Slidell Radar S, LA at 12:00Z on 1993-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 1993-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
1 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
103 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 252055
SVRMOB
MSC045-252145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
239 PM CST THU MAR 25 1993
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...HANCOCK COUNTY
 
AT 255 PM RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHERN HANCOCK
COUNTY AND IS MOVING TO THE EAST AT 30 MPH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUTp STAY AWAY FROM WINDOWS.

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, Mar 25, 10:21 AM CST, 4 hours 18 minutes before
MSZ013-014-ALZ016-013-015-251815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1016 AM CST THU MAR 25 1993

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL COUNTIES IN
SOUTHEAST MISSISSIPPI TO INCLUDE THE COASTAL WATERS UNTIL 4 PM THIS
AFTERNOON...

AT 1015 AM CST NATIONAL WATHER SERVICE RADARS SHOWED WIDELY SCATTERED
RAINSHOWERS AND THUNDERSTORMS ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST
ALABAMA WITH THE HEAVIEST RAINSHOWER>S AND THUNDERSTORMS MOVING INTO
PERRY AND GREEN COUNTIES OF SOUTHEAST MISSISSIPPI AND ACROSS
WASHINGTON...CLARKE AND MONROE COUNTIES OF SOUTHWEST ALABAMA.  MOVEMENT
WAS TO THE EAST AT ABOUT 20 MPH.
Special weather statement, Mar 25, 11:38 AM CST, 3 hours 1 minute before
MSZ013-014-ALZ016-013-015-251815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1016 AM CST THU MAR 25 1993

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL COUNTIES IN
SOUTHEAST MISSISSIPPI TO INCLUDE THE COASTAL WATERS UNTIL 4 PM THIS
AFTERNOON...

AT 1015 AM CST NATIONAL WATHER SERVICE RADARS SHOWED WIDELY SCATTERED
RAINSHOWERS AND THUNDERSTORMS ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST
ALABAMA WITH THE HEAVIEST RAINSHOWERS AND THUNDERSTORMS MOVING INTO
PERRY AND GREEN COUNTIES OF SOUTHEAST MISSISSIPPI AND ACROSS
WASHINGTON...CLARKE AND MONROE COUNTIES OF SOUTHWEST ALABAMA.  MOVEMENT
WAS TO THE EAST AT ABOUT 20 MPH.
Special weather statement, Mar 25, 12:13 PM CST, 2 hours 26 minutes before
ALZ013-015-016-MSZ014-013-252015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1212 PM CST THU MAR 25 1993

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL COUNTIES IN
SOUTEAST MISSISSIPPI TO INCLUDE THE COASTAL WATERS UNTIL 4 PM...

AT 1210 PM CST NATIONAL WEATHER SERVICE RADARS SHOWED A LINE OF
STRONG THUNDERSTORMS EXTENDING NORTHEAST FROM DAUPHIN ISLAND THROUGH
BALDWIN AND ESCAMBIA COUNTIES TO NEAR EVERGREEN IN CONECUH COUNTY OF
SOUTHWEST ALABAMA.  MOVEMENT WAS TO THE EAST AT 20 MPH.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT jFOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 25, 12:24 PM CST, 2 hours 15 minutes before
ALZ013-015-016-MSZ014-013-252015-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE MOBILE AL
1212 PM CST THU MAR 25 1993

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 PM FOR THE
ALABAMA COASTAL WATERS INCLUDING MOBILE BAY...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL COUNTIES IN
SOUTEAST MISSISSIPPI TO INCLUDE THE COASTAL WATERS UNTIL 4 PM...

AT 1210 PM CST NATIONAL WEATHER SERVICE RADARS SHOWED A LINE OF
STRONG THUNDERSTORMS EXTENDING NORTHEAST FROM DAUPHIN ISLAND THROUGH
BALDWIN AND ESCAMBIA COUNTIES TO NEAR EVERGREEN IN CONECUH COUNTY OF
SOUTHWEST ALABAMA.  MOVEMENT WAS TO THE EAST AT 20 MPH.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CvONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 25, 12:41 PM CST, 1 hour 58 minutes before
FLZ001>004-251930-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
1235 PM CST THU MAR 25 1993

AT 1230 PM CST A LINE OF THUNDERSTORMS WAS MOVING THROUGH NORTHWEST
FLORIDA.  THE THUNDERSTORMS WERE FROM THE NORTHWEST PART OF OKALOOSA
COUNTY TO NEAR MILTON TO PENSACOLA TO PERDIDO BAY.

GUSTY WINDS...BRIEF PERIODS OF HEAVY RAIN...DANGEROUS LIGHTNING
STRIKES AND POSSIBLY SOME SMALL HAIL CAN BE EXPECTED FROM THE LINE
OF STORMS AS IT MOVES EAST AT 25 MILES AN HOUR.

THE THUNDERSTORMS WILL BE MOVING THROUGH THE COASTAL WATERS OF
ESCAMBIA AND SANTA ROSA COUNTIES BETWEEN NOW AND 200 PM.  BOATERS
SHOULD EITHER MOVE ASHORE OR BE PREPARED TO RIDE THE STORMS OUT.
GUSTY WINDS AND ROUGH SEAS CAN BE EXPECTED FROM THE STORMS.

IN ADDITION PERSONS ALONG THE BEACH AREAS OF ESCAMBIA AND SANTA ROSA
COUNTIES FROM PERDIDO KEY TO PENSACOLA BEACH TO NAVARRE SHOULD MOVE
INSIDE UNTIL THE THUNDERSTORMS PASS THROUGH.  REMEMBER...PERSONS ON
THE B(EACH ARE USUALLY THE TALLEST OBJECTS AROUND AND CAN BE
IN DANGER OF GETTING STRUCK BY LIGHTNING.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 25, 2:24 PM CSTSevere Thunderstorm WarningMOBPearl River61 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.