Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 84, NWS Mobile, AL

July 13, 1994Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jul 13, 1994, 5:35 PM CDT for Stone County, Mississippi. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1994, 5:35 PM CDT (22:35 UTC)
Expired
Jul 13, 1994, 6:15 PM CDT
In force
40 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Stone County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.6 hours before the alert went out and 82 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 1994-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1691 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 1994-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939Sfc1 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
1691 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
123 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 KMOB 132234 RRA
SVRMOB
MSC131-132315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
535 PM CDT WED JUL 13 1994
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...STONE COUNTY
 
AT 534 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER WESTERN STONE COUNTY JUST EAST OF SILVER RUN MOVING TO
THE EAST NORTHEAST AT 10 MILES AN HOUR.  AS THIS THUNDERSTORM CONTINUES
TO ADVANCE TO THE EAST...IT WILL LIKELY AFFECT THE SURROUNDING
COMMUNITIES OF TEN MILE...PERKINSTON...AND WIGGINS WITHIN THE NEXT 45
MINUTES.
 
SEVERE THUNDERSTORMS PRODUCE WINDS OF 58 MILES AN HOUR OR GREATER...IN
ADDITION TO HAIL AT LEAST THREE QUATERS OF AN INCH IN DIAMETER.
 
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, Jul 13, 1:35 PM CDT, 4 hours before
FLZ001>010-012-131830-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
130 PM CDT WED JUL 13 1994

...A COASTAL FLOOD WARNING IN EFFECT FOR THE CHOCTAWHATCHEE BAY
PORTIONS OF OKALOOSA AND WALTON COUNTIES OF FLORIDA...

RIVER RUNOFF IS SPILLING INTO CHOCTAWHATCHEE BAY AT THIS TIME IN SUCH
A LARGE...UNPRECEDENTED VOLUME THAT THE BAY CAN BARELY ACCEPT ANY MORE
WATER. SOME FLOODING OF WATERFRONT HOMES AND STREETS HAS OCCURRED. THE
FLOODING THAT HAS OCCURRED IN AREAS THAT USUALLY FLOOD WHEN THE BAY TIDE
IS 2 TO 4 FEET ABOVE NORMAL. ACCORDING TO THE OFFICE OF PUBLIC SAFETY OF
WALTON COUNTY AND THE OKALOOSA COUNTY SHERIFF'S OFFICE...THE FLOODING IS
CAUSING A GREAT DEAL OF INCONVENIENCE AND SOME FLOOD DAMAGE TO HOMES IN
LOW AREAS IS EXPECTED. THE BAY WATERS DID NOT RECEDED MUCH LAST NIGHT
BUT IS EXPECTED TO CONTINUE A SLOW FALL TODAY. A MORE SIGNIFICANT FALL
WILL OCURR THIS AFTERNOON AND TONIGHT. MORE RAIN IS EXPECTED TODAY AND
IS EXPECTED TO BE HE AVY AT TIMES.
AT 130 PM CDT...SHOWERS AND THUNDERSTORMS CONTINUED OVER THE GULF OF
MEXICO AND ALONG THE FLORIDA PANHANDALE. WIDESPREAD SHOWERS AND
THUNDERSTORMS WERE OCURRING THROUGHOUT THE PANHANDLE AND SOUTHERN
ALABAMA. HEAVY RAIN CAN BE EXPECTED AT TIMES AS THE SHOWERS AND
THUNDERSTORMS MOVE THROUGH THE AREA.

MOVEMENT WAS TOWARDS THE NORTHEAST AT 10 MILES AN HOUR.
Special weather statement, Jul 13, 2:31 PM CDT, 3 hours 4 minutes before
FLZ001>010-012-131930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
230 PM CDT WED JUL 13 1994

...A COASTAL FLOOD WARNING IN EFFECT FOR THE CHOCTAWHATCHEE BAY
PORTIONS OF OKALOOSA AND WALTON COUNTIES OF FLORIDA...

RIVER RUNOFF IS SPILLING INTO CHOCTAWHATCHEE BAY AT THIS TIME IN SUCH
A LARGE...UNPRECEDENTED VOLUME THAT THE BAY CAN BARELY ACCEPT ANY MORE
WATER. SOME FLOODING OF WATERFRONT HOMES AND STREETS HAS OCCURRED. THE
FLOODING THAT HAS OCCURRED IN AREAS THAT USUALLY FLOOD WHEN THE BAY TIDE
IS 2 TO 4 FEET ABOVE NORMAL. ACCORDING TO THE OFFICE OF PUBLIC SAFETY OF
WALTON COUNTY AND THE OKALOOSA COUNTY SHERIFF'S OFFICE...THE FLOODING IS
CAUSING A GREAT DEAL OF INCONVENIENCE AND SOME FLOOD DAMAGE TO HOMES IN
LOW AREAS IS EXPECTED. THE BAY WATERS DID NOT RECEDED MUCH LAST NIGHT
BUT IS EXPECTED TO CONTINUE A SLOW FALL TODAY. A MORE SIGNIFICANT FALL
WILL OCURR THIS AFTERNOON AND TONIGHT. MORE RAIN IS EXPECTED TODAY AND
COULD BE HEAVY AT TIMES.
AT 230 PM CDT...SHOWERS AND THUNDERSTORMS CONTINUED OVER THE GULF OF
MEXICO AND ALONG THE FLORIDA PANHANDALE. WIDESPREAD SHOWERS AND
THUNDERSTORMS WERE OCURRING THROUGHOUT THE PANHANDLE AND SOUTHERN
ALA:BAMA. HEAVY RAIN CAN BE EXPECTED AT TIMES AS THE SHOWERS AND
THUNDERSTORMS MOVE THROUGH THE AREA.

MOVEMENT WAS TOWARDS THE NORTHEAST AT 10 MILES AN HOUR.
Special weather statement, Jul 13, 3:26 PM CDT, 2 hours 9 minutes before
FLZ001>010-012-132130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
330 PM CDT WED JUL 13 1994

...A COASTAL FLOOD WARNING IN EFFECT FOR THE CHOCTAWHATCHEE BAY
PORTIONS OF OKALOOSA AND WALTON COUNTIES OF FLORIDA...

RIVER RUNOFF IS SPILLING INTO CHOCTAWHATCHEE BAY AT THIS TIME IN SUCH
A LARGE...UNPRECEDENTED VOLUME THAT THE BAY CAN BARELY ACCEPT ANY MORE
WATER. SOME FLOODING OF WATERFRONT HOMES AND STREETS HAS OCCURRED. THE
FLOODING THAT HAS OCCURRED IN AREAS THAT USUALLY FLOOD WHEN THE BAY TIDE
IS 2 TO 4 FEET ABOVE NORMAL. ACCORDING TO THE OFFICE OF PUBLIC SAFETY OF
WALTON COUNTY AND THE OKALOOSA COUNTY SHERIFF'S OFFICE...THE FLOODING IS
CAUSING A GREAT DEAL OF INCONVENIENCE AND SOME FLOOD DAMAGE TO HOMES IN
LOW AREAS IS EXPECTED. THE BAY WATERS DID NOT RECEDED MUCH LAST NIGHT
BUT IS EXPECTED TO CONTINUE A SLOW FALL TODAY. A MORE SIGNIFICANT FALL
WILL OCURR THIS AFTERNOON AND TONIGHT. MORE RAIN IS EXPECTED TODAY AND
COULD BE HEAVY AT TIMES.
AT 330 PM CDT...SHOWERS AND THUNDERSTORMS CONTINUED OVER THE GULF OF
MEXICO AND ALONG THE FLORIDA PANHANDALE. WIDESPREAD SHOWERS AND
THUNDERSTORMS WERE OCURRING THROUGHOUT THE PANHANDLE AND SOUTHERN
ALABAMA. HEAVY RAIN CAN BE EXPECTED AT TIMES AS THE SHOWERS AND
THUNDERSTORMS MOVE THROUGH THE AREA.

MOVEMENT WAS TOWARDS THE NORTHEAST AT 10 MILES AN HOUR.
Special weather statement, Jul 13, 4:41 PM CDT, 54 minutes before
FLZ001>010-012-132230-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
430 PM CDT WED JUL 13 1994

...A COASTAL FLOOD WARNING IN EFFECT FOR THE CHOCTAWHATCHEE BAY
PORTIONS OF OKALOOSA AND WALTON COUNTIES OF FLORIDA...

CHOCTAWHATCHEE BAY REMAINS HIGHER THAN NORMAL AND IS EXPECTED TO FALL
SLIGHTLY THIS EVENING AS THE TIDE MOVES OUT.

AT 430 PM...SCATTERED THUNDERSTORMS AND SHOWERS WERE OVER SOUTHEAST
MISSISSIPPI...SOUTH ALABAMA...THE WESTERN FLORIDA PANHANDLE...AND THE
GULF SOUTH OF THE PANHANDLE UP TO 75 MILES OFFSHORE.

MOVEMENT WAS TO THE NORTHEAST AT 10 TO 15 MILES AN HOUR.
Special weather statement, Jul 13, 4:59 PM CDT, 36 minutes before
MSZ075>082-ALZ052-053-055-056-059-061>064-132300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
459 PM CDT WED JUL 13 1994

AT 455 PM...THE MOBILE NATIONAL WEATHER SERVICE RADAR INDICATED
SCATTERED STRONG THUNDERSTORMS WITH HEAVY RAINS EXTENDING FROM
EASTERN GEORGE AND GREENE COUNTIES IN SOUTHEAST MISSISSIPPI...
ACROSS NORTHERN MOBILE AND BALDWIN COUNTIES...INTO SOUTHERN
CLARKE AND MONROE COUNTIES OF SOUTHWEST ALABAMA.  THE THUNDERSTORMS
WERE MOVING TO THE NORTHEAST AT 10 MILES AN HOUR.

IN ADDITION TO HEAVY RAINS...THESE THUNDERSTORMS WILL ALSO LIKELY
PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...STRONG GUSTY WINDS AND
POSSIBLY SOME SMALL HAIL.  LOCALIZED FLOODING OF ROADWAYS AND AREAS
PRONE TO FLOODING IN HEAVY RAINS IS ALSO POSSIBLE DUE TO THE SLOW
MOVEMENT OF THE STORMS.

ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED
FROM SOUTHEAST LOUISIANA...EASTWARD ACROSS SOUTHERN MISSISSIPPI AND
SOUTHERN ALABAMA.
Special weather statement, Jul 13, 5:29 PM CDT, 6 minutes before
FLZ001>010-012-132330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
530 PM CDT WED JUL 13 1994

...A COASTAL FLOOD WARNING IN EFFECT FOR THE CHOCTAWHATCHEE BAY
PORTIONS OF OKALOOSA AND WALTON COUNTIES OF FLORIDA...

CHOCTAWHATCHEE BAY REMAINS HIGHER THAN NORMAL AND IS EXPECTED TO FALL
SLIGHTLY THIS EVENING AS THE TIDE MOVES OUT.

AT 530 PM...SCATTERED THUNDERSTORMS AND SHOWERS WERE OVER SOUTHEAST
MISSISSIPPI.F..SOUTH ALABAMA...THE WESTERN FLORIDA PANHANDLE...AND THE
GULF SOUTH OF THE PANHANDLE UP TO 75 MILES OFFSHORE.

MOVEMENT WAS TO THE NORTHEAST AT 10 TO 15 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994Every severe thunderstorm warning in 1994

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.