Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 61, NWS Mobile, AL

July 21, 1993Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 21, 1993, 5:54 PM CDT for Baldwin County, Alabama. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1993, 5:54 PM CDT (22:54 UTC)
Expired
Jul 21, 1993, 6:45 PM CDT
In force
51 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Baldwin County, AL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 10.9 hours before the alert went out and 121 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, Eglin AFB/Valpar, FL at 12:00Z on 1993-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 240 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, Eglin AFB/Valpar, FL at 12:00Z on 1993-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939587897117136156175194214233253272292311330350369389408428447Sfc1 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
240 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1438 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 21, 1:44 PM CDT, 4 hours 10 minutes before
MSZ013-014-ALZ013-015-016-211930

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
144 PM CDT WED JUL 21 1993

...STRONG THUNDERSTORMS FORMING OVER SOUTHEAST MISSISSIPPI...

AT 140 PM...NATIONAL WEATHER SERVICE RADAR SHOWED STRONG
THUNDERSTORMS DEVELOPING OVER EASTERN PEARL RIVER COUNTY NEAR
SAVANNAH.  THESE WERE LIKELY PRODUCING VERY HEAVY RAINS...STRONG
GUSTY WINDS AND NUMEROUS LIGHTNING STRIKES.

OTHER THUNDERSTORMS WERE DEVELOPING OVER SOUTHEAST MISSISSIPPI
OVER SOUTHERN HANCOCK AND HARRISON COUNTIES.  OVER SOUTHWEST
ALABAMA...THUNDERSTORMS WERE DEVELOPING JUST SOUTH OF THOMASVILLE
AND NEAR JACKSON IN CLARKE COUNTY.  ALL SHOWERS AND THUNDERSTORMS
WERE MOVING VERY SLOWLY TO THE SOUTH.

THE MOST DANGEROUS ASPECT OF SUMMERTIME THUNDERSTORMS IS LIGHTNING.
ON AVERAGE...LIGHTNING KILLS MORE PEOPLE EVERY YEAR THAN HURRICANES
AND TORNADOES.  WHEN THUNDERSTORMS THREATEN YOUR AREA...DONT
HESITATE TO MOVE INDOORS.  STAY AWAY FROM PLUGGED IN ELECTRICAL
APPLIANCES AND WINDOWS UNTIL THE STORM HAS MOVED OUT OF YOUR AREA.

WE SHOULD SEE ADDITIONAL THUNDERSTORM DEVELOPMENT OVER SOUTHEAST
MISSISSIPPI AND SOUTHWEST ALABAMA THIS AFTERNOON.  TUNE TO NOAA
WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR FURTHER
STATEMENTS AND UPDATES.
Special weather statement, Jul 21, 3:49 PM CDT, 2 hours 5 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-212135-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
345 PM CDT WED JUL 21 1993

AT 340 PM CDT THUNDERSTORMS WERE SCATTERED ACROSS NORTHWEST FLORIDA
FROM EAST OF PENSACOLA TO SOUTH OF CRESTVIEW TO SOUTH OF MARIANNA.
THE STRONGEST THUNDERSTORM WAS SOUTH OF CRESTVIEW AND IN CALHOUN
COUNTY JUST EAST OF FOUNTAIN.

WIND GUSTS OF BETWEEN 40 AND 50 MPH...FREQUENT LIGHTNING STRIKES
AND POSSIBLY SOME SMALL HAIL CAN BE EXPECTED.  IN ADDITION THE STORMS
WERE MOVING VERY LITTLE AND 2 TO 3 INCHES OF RAIN CAN BE EXPECTED
FROM THE HEAVIER STORMS.  A SPOTTER NEAR FOUNTAIN REPORTED .6 INCH
OF RAIN IN ABOUT AN HOUR.

OTHER THUNDERSTORMS WERE SCATTERED ACROSS SOUTHEAST MISSISSIPPI AND
SOUTH ALABAMA FROM BAY ST LOUIS TO NEAR MERIDIAN AND FROM ANDALUSIA
TO ALONG THE TOMBIGBEE RIVER NEAR PREMWICK.  THE STRONGEST STORM
WAS NEAR PASCAGOULA.

OFFSHORE...THUNDERSTORMS WERE SCATTERED FRjOM NEAR THE MOUTH OF THE
MISSISIPPI RIVER TO 30 MILES SOUTHWEST OF PORT ST JOE.

LITTLE MOVEMENT OF THE RAIN WAS NOTED.
Special weather statement, Jul 21, 4:46 PM CDT, 1 hour 8 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-212235-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
435 PM CDT WED JUL 21 1993

...STRONG THUNDERSTORMS DEVELOPING RAPIDLY OVER THE FLORIDA PANHANDLE..
AT 430 PM CDT...THUNDERSTORMS WERE SCATTERED OVER THE FLORIDA PANHANDLE
...SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI...AND THE IMMEDIATE
ADJOINING COASTAL WATERS.
SOME OF THE STRONGER THUNDERSTORMS WERE OVER SOUTH ESCAMBIA AND SANTA
ROSA COUNTIES AND EXTENDED ACROSS COASTAL BALDWIN COUNTY ALABAMA...
AND OVER A NARROW BAND BETWEEN FREEPORT AND BLOUNTSTOWN.
THE THUNDERSTORMS WERE DEVELOPING AND MOVING SLOWLY WEST-SOUTHWEST.

THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY
DOWNPOURS CAUSING FLOODING OF POOR DRAINAGE AREAS...FREQUENT LIGHTNING
...WIND GUSTS AROUND 45 MILES AN HOUR...AND POSSIBLE SMALL HAIL.
PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS
AND BE PREPARED TO TAKE PROTEpCTIVE ACTION IF THREATENING CONDITIONS
ARE SIGHTED OR APPEAR IMMINENT.
MOTORISTS SHOULD AVOID AREAS SUBJECT TO FLOODING.
Special weather statement, Jul 21, 5:08 PM CDT, 46 minutes before
MSZ013-014-ALZ013-015-016-220000

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
508 PM CDT WED JUL 21 1993

AT 505 PM...NATIONAL WEATHER SERVICE RADAR SHOWED SEVERAL STRONG
THUNDERSTORMS.  THESE WERE LOCATED PRIMARILY OVER COASTAL ALABAMA
AND MISSISSIPPI...EXTENDING INTO NORTHWEST FLORIDA.

THE STRONGEST STORMS WERE OVER SOUTHERN JACKSON COUNTY MISSISSIPPI
NEAR OCEAN SPRINGS...OVER EASTERN GEORGE COUNTY MISSISSIPPI NEAR
AGRICOLA AND EAST OF LUCEDALE.  IN SOUTHWEST ALABAMA THE STRONGEST
THUNDERSTORMS WERE OVER WESTERN MOBILE COUNTY NEAR THE MOBILE
REGIONAL AIRPORT AND OVER CENTRAL AND SOUTHERN BALDWIN COUNTY NEAR
SPANISH FORT AND SILVERHILL.

OTHER SHOWERS AND THUNDERSTORMS WERE DETECTED OVER A GOOD PART OF
SOUTHEAST MISSISSIPPI AND THE COASTAL COUNTIES OF SOUTHWEST ALABAMA.
ALL SHOWERS AND THUNDERSTORMS SHOWED LITTLE OR NO APPARENT MOVEMENT
BUT WERE DEVELOPING SLOWLY EASTWARD.
THE MOST DANGEROUS COMPONENT OF THESE STORMS WILL BE LIGHTNING.
THE NATIONAL WEATHER SERVICE LIGHTNING DETECTION SYSTEM SHOWS
NUMEROUS CLOUD TO GROUND LIGHTING STRIKES OVER SOUTHEAST MISSISSIPPI
AND SOUTHWEST ALABAMA.

IN ADDITION TO DEADLY LIGHTNING...STRONG THUNDERSTORMS CAN PRODUCE
VERY HEAVY RAINS...STRONG GUSTY WINDS AND EVEN HAIL.  WHEN
THUNDERSTORMS THREATEN YOUR AREA...DONT HESITATE TO MOVE INDOORS.
STAY AWAY FROM ELECTRICAL APPLIANCES AND WINDOWS.  DONT USE THE
TELEPHONE EXCEPT IN AN EMERGENCY.

TUNE TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND UPDATES.
Special weather statement, Jul 21, 5:41 PM CDT, 13 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-212335-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
535 PM CDT WED JUL 21 1993

...STRONG THUNDERSTORMS WERE OVER THE FLORIDA PANHANDLE...
AT 530 PM CDT...THUNDERSTORMS WERE SCATTERED OVER THE FLORIDA PANHANDLE
...SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI...AND THE IMMEDIATE
ADJOINING COASTAL WATERS.
THE MAIN CONCENTRATION WAS OVER SOUTH ESCAMBIA AND SOUTH SANTA ROSA
COUNTIES OF FLORIDA AND EXTENDED ACROSS COASTAL ALABAMA INTO SOUTHEAST
MISSISSIPPI.
OTHER STRONG THUNDERSTORMS WERE BETWEEN FREEPORT AND PANAMA CITY...AND
BETWEEN APALACHICOLA AND TALLAHASSEE.
THE THUNDERSTORMS WERE DEVELOPING AND MOVING SLOWLY WEST-SOUTHWEST.

THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY
DOWNPOURS CAUSING FLOODING OF POOR DRAINAGE AREAS...FREQUENT LIGHTNING
...WIND GUSTS AROUND 45 MILES AN HOUR...AND POSSIBLE SMALL HAIL.
PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS
AND BE PREPARED TO TAKE PROTECTIVE ACTION IF THREATENING CONDITIONS
ARE SIGHTED OR APPEAR IMMINENT.
MOTORISTS SHOULD AVOID FLOOD PRONE AREAS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 5:22 PM CDTSevere Thunderstorm WarningMOBMobile53 min
Jul 21, 6:15 PM CDTSevere Thunderstorm WarningMOBMobile45 min
Jul 21, 6:54 PM CDTSevere Thunderstorm WarningMOBBaldwin51 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.