Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 89, NWS Mobile, AL

December 13, 1993Harrison County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Dec 13, 1993, 5:27 PM CST for Harrison County, Stone County, Mississippi. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Dec 13, 1993, 5:27 PM CST (23:27 UTC)
Expired
Dec 13, 1993, 6:03 PM CST
In force
36 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Harrison County, MS, Stone County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 70 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 1993-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Slidell Radar S, LA at 12:00Z on 1993-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
424 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 132327 RRA
SVRMOB
MSC047-131-140030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
527 PM CST MON DEC 13 1993
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...HARRISON COUNTY...STONE COUNTY
 
 
AT 525 PM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING
EASTWARD ACROSS WESTERN HARRISON AND WESTERN STONE COUNTIES. AS THIS
LINE CONTINUES MOVING EASTWARD...IT WILL LIKELY AFFECT THE COMMUNITIES
OF WIGGINS...TEN MILE...SAUCIER...LYMAN AND GULFPORT WITHIN THE NEXT
HOUR.
 
MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Dec 13, 1:12 PM CST, 4 hours 15 minutes before
ALZ061-062-063-064-MSZ075-076-077-078-079-080-081-082-132115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
111 PM CST MON DEC 13 1993

...SHOWERS AND THUNDERSTORMS MOVING ACROSS THE PEARL RIVER INTO
SOUTHEAST MISSISSIPPI...

AT 1 PM CST RADAR SHOWED SHOWERS AND THUNDERSTORMS MOVING INTO PEARL
RIVER AND HANCOCK COUNTY. WINDS WERE GUSTING 30 TO 40 MPH AS THE RAIN
AND THUNDERSTORMS MOVED INTO THE AREA.

OTHER PATCHES OF RAIN WERE FROM GULFPORT TO LEAKESVILLE. BOTH AREAS OF
PRECIPITATION WERE MOVING RAPIDLY NORTHEAST.

ANOTHER BAND OF RAIN AND THUNDERSTORMS MOVING THROUGH SOUTHERN LOUISIANA
...AHEAD OF A COLD FRONT WILL BE AFFECTING COASTAL MISSISSIPPI AND
ALABAMA LATE THIS AFTERNOON AND EVENING. STRONG GUSTY WINDS...HEAVY
RAIN AND LIGHTNING ARE LIKELY WITH THIS SYSTEM.

STRONG GUSTY SOUTHEAST WINDS AHEAD OF THE COLD FRONT MAY CAUSE SOME
MINOR FLOODING OF LOW AREAS ALONG THE COASTAL SECTIONS OF HANCOCK AND
HARRI&SON COUNTIES THIS EVENING.  ASTRONOMICAL HIGH TIDE WILL OCCUR
BETWEEN 9 AND 10 PM THIS EVENING ON THE MISSISSIPPI COAST.
Special weather statement, Dec 13, 4:37 PM CST, 50 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080-
081-082-140045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
436 PM CST MON DEC 13 1993

...STRONG THUNDERSTORMS MOVING ACROSS SOUTH MISSISSIPPI INTO SOUTH
ALABAMA THIS AFTERNOON AND EVENING...

AT 430 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A BROAD AREA OF
SHOWERS AND THUNDERSTORMS COVERING A GODD PORTION OF SOUTHERN
MISSISSIPPI AND SOUTHERN LOUISIANA.  THE LEADING EDGE OF THIS AREA
EXTENDED FROM NEAR GROVE HILL ALABAMA...TO CITRONELLE...TO NEAR
PASCAGOULA MISSISSIPPI.

THE STRONGEST THUNDERSTORMS NOTED ON WEATHER RADAR WERE MOVING NEAR
COLUMBIA MISSISSIPPI INTO SOUTHEAST LOUISIANA.  THESE STORMS WILL
LIKELY AFFECT PEARL RIVER COUNTY WITHIN THE NEXT FEW MINUTES.

WIND GUSTS TO 40 MILES AN HOUR HAVE BEEN REPORTED WITH THUNDERSTORMS
MOVING THROUGH SOUTH MISSISSIPPI. PERSONS IN SOUTHEAST MISSISSIPPI CAN
EXPECT DANGEROUS LIGHTNING AND VERY HEAVY RAINS AS THESE STORMS MOVE
THROUGH THEIR AREAS LATE THIS AFTERNOON AND EVENING.

THE STRONG THUNDERSTORMS WILL CONTINUE MOVING ACROSS SOUTHEAST
MISSISSIPPI INTO SOUTHWEST ALABAMA FOR THE REMAINDER OF THE EVENING.
CONTINUE TO MONITOR YOUR LOCzAL TELEVISION...RADIO AND NOAA WEATHER RADIO
FOR THE LATEST STATEMENTS AND BULLETINS.

ALL SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AND NORTHEAST AT
40 MILES AN HOUR.
Special weather statement, Dec 13, 4:42 PM CST, 45 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080-
081-082-140045-

SPECIAL WEATHER STATEMENT...CORRECTED PARA 2...
NATIONAL WEATHER SERVICE MOBILE AL
436 PM CST MON DEC 13 1993

...STRONG THUNDERSTORMS MOVING ACROSS SOUTH MISSISSIPPI INTO SOUTH
ALABAMA THIS AFTERNOON AND EVENING...

AT 430 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A BROAD AREA OF
SHOWERS AND THUNDERSTORMS COVERING A GOOD PORTION OF SOUTHERN
MISSISSIPPI AND SOUTHERN LOUISIANA.  THE LEADING EDGE OF THIS AREA
EXTENDED FROM NEAR GROVE HILL ALABAMA...TO CITRONELLE...TO NEAR
PASCAGOULA MISSISSIPPI.

THE STRONGEST THUNDERSTORMS NOTED ON WEATHER RADAR EXTENDED FROM NEAR
COLUMBIA MISSISSIPPI INTO SOUTHEAST LOUISIANA.  THESE STORMS WILL
LIKELY AFFECT PEARL RIVER COUNTY WITHIN THE NEXT FEW MINUTES.

WIND GUSTS TO 40 MILES AN HOUR HAVE BEEN REPORTED WITH THUNDERSTORMS
MOVING THROUGH SOUTH MISSISSIPPI. PERSONS IN SOUTHEAST MISSISSIPPI CAN
EXPECT DANGEROUS LIGHTNING AND VERY HEAVY RAINS AS THESE STORMS MOVE
THROUGH THEIR AREAS LATE THIS AFTERNOON AND EVENING.

THE STRONG THUNDERSTORMS WILL CONTINUE MOVING ACROSS SOUTHEAST
MISSISSIPPI INTO SOUTHWEST ALABAMA FOR THE REMAINDER OF THE EVENING.
CONTINUE TO MONITOR YOUR LOCAL TELEVISION...RADIO AND NOAA WEATHER RADIO
FOR THE LATEST STATEMENTS AND BULLETINS.

ALL SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AND NORTHEAST AT
40 MILES AN HOUR.
Special weather statement, Dec 13, 4:58 PM CST, 29 minutes before
MSZ075>082-LAZ501-ALZ501-140030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
457 PM CST MON DEC 13 1993

...STRONG THUNDERSTORMS INTENSIFYING ALONG THE MISSISSIPPI AND
LOUISIANA BORDER...

...A SPECIAL MARINE WARNING IS IN EFFECT FOR THE COASTAL WATERS
   FROM GULFPORT WESTWARD...

AT 455 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTOMS MOVING ACROSS THE LOUISIANA BORDER UNTO HANCOCK AND
PEARL RIVER COUNTIES OF SOUTHEAST MISSISSIPPI.  THESE STORMS
WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...AND VERY
HEAVY RAINS.

THESE STORMS EXTENDED SOUTHWARD INTO SOUTHEAST LOUISIANA AND WILL
AFFECT THE MISSISSIPPI COASTAL WATERS AS THEY MOVE EASTWARD OVER
THE NEXT FEW HOURS.
<
THE STRONG THUNDERSTORMS WILL CONTINUE MOVING ACROSS SOUTHEAST
MISSISSIPPI INTO SOUTHWEST ALABAMA FOR THE REMAINDER OF THE EVENING.
CONTINUE TO MONITOR YOUR LOCAL TELEVISION...RADIO AND NOAA WEATHER RADIO
FOR THE LATEST STATEMENTS AND BULLETINS.

ALL SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AND NORTHEAST AT
40 MILES AN HOUR.

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.