Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 51, NWS Mobile, AL

July 7, 1993Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 7, 1993, 6:39 PM CDT for Washington County, Alabama. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1993, 6:39 PM CDT (23:39 UTC)
Expired
Jul 7, 1993, 7:30 PM CDT
In force
51 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Washington County, AL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 11.7 hours before the alert went out and 193 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 1993-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2033 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 1993-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
2033 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 7, 4:31 PM CDT, 2 hours 8 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-072035-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
435 PM CDT WED JUL 7 1993

AT 430 PM CDT...A LARGE CLUSTER OF HEAVY THUNDERSTORMS WAS OVER THE
WEST END OF NORTHWEST FLORIDA AND ESCAMBIA COUNTY. THE THUNDERSTORMS
ALL INDICATED VERY HEAVY RAINFALL...FREQUENT LIGHTNING...AND GUSTY
WINDS. THE STORMS WERE MOVING WEST AROUND 10 MPH TOWARD BALDWIN COUNTY
OF ALABAMA.

FROM THE WEST END OF FLORIDA...RAIN SPREAD BACK EAST TO THE
APALACHICOLA RIVER.

SHOWERS AND THUNDERSTORMS WERE SCATTERED ACROSS SOUTHERN ALABAMA. THESE
TOO WERE MOVING TO THE WEST AROUND 10 MPH.
OFFSHORE...SHOWERS WERE SPREADING INTO THE GULF AS THE
STORMBS IN NORTHWEST FLORIDA MOVED SOUTHWEST...OTHER SHOWERS
WERE LOCATED IN THE GULF FROM 50 TO 80 MILES SOUTH OF PENSACOLA
PASS.
Special weather statement, Jul 7, 4:32 PM CDT, 2 hours 7 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-072225-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
435 PM CDT WED JUL 7 1993

AT 430 PM CDT...A LARGE CLUSTER OF HEAVY THUNDERSTORMS WAS OVER THE
WEST END OF NORTHWEST FLORIDA AND ESCAMBIA COUNTY. THE THUNDERSTORMS
ALL INDICATED VERY HEAVY RAINFALL...FREQUENT LIGHTNING...AND GUSTY
WINDS. THE STORMS WERE MOVING WEST AROUND 10 MPH TOWARD BALDWIN COUNTY
OF ALABAMA.

FROM TFHE WEST END OF FLORIDA...RAIN SPREAD BACK EAST TO THE
APALACHICOLA RIVER.

SHOWERS AND THUNDERSTORMS WERE SCATTERED ACROSS SOUTHERN ALABAMA. THESE
TOO WERE MOVING TO THE WEST AROUND 10 MPH.
Special weather statement, Jul 7, 5:01 PM CDT, 1 hour 38 minutes before
ALZ016-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
455 PM CDT WED JUL 7 1993

AT 455 PM...WEATHER RADAR IN MOBILE SHOWED A CLUSTER OF STRONG
THUNDERSTORMS OVER SOUTHEAST BALDWIN COUNTY ALABAMA. THE HEAVIEST RAINS
IN THESE THUNDERSTORMS WERE INDICATED JUST NORTH OF SEMINOLE. PERSONS
NEAR THIS ACTIVITY CAN EXPECT VERY HEAVY RAINFALL IN ADDITION TO STRONG
GUSTY WINDS AND DANGEROUS LIGHTNING STRIKES. MOVEMENT WAS TO THE
SOUTHWEST AT 10 MILES AN HOUR.

PERSONS IN OR NEAR THE COMMUNITITES OF SUMMERDALE...ELBERTA...LILLIAN
AND ELBERTA MAY BE AFFECTED BY THESE THUNDESTORMS IN THE NEXT FEW
MINUTES.  BE PREPARED TO MOVE INDOORS AS THESE STORMS MOVE INTO YOUR
AREA.

OTHER SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED OVER SOUTHWEST
ALABAMA AND NORTHWEST FLORIDA AND WERE MOVING TO THE SOUTHWEST AT 10
MILES AN HOUR.

TUNE TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 7, 5:05 PM CDT, 1 hour 34 minutes before
ALZ016-072300-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE MOBILE AL
455 PM CDT WED JUL 7 1993

AT 455 PM...WEATHER RADAR IN MOBILE SHOWED A CLUSTER OF STRONG
THUNDERSTORMS OVER SOUTHEAST BALDWIN COUNTY ALABAMA. THE HEAVIEST RAINS
IN THESE THUNDERSTORMS WERE INDICATED JUST NORTH OF SEMINOLE. PERSONS
NEAR THIS ACTIVITY CAN EXPECT VERY HEAVY RAINFALL IN ADDITION TO STRONG
GUSTY WINDS AND DANGEROUS LIGHTNING STRIKES. MOVEMENT WAS TO THE
SOUTHWEST AT 10 MILES AN HOUR.

PERSONS IN OR NEAR THE COMMUNITITES OF SUMMERDALE...ELBERTA...LILLIAN
AND FOLEY MAY BE AFFECTED BY THESE THUNDESTORMS IN THE NEXT FEW
MINUTES.  BE PREPARED TO MOVE INDOORS AS THESE STORMS MOVE INTO YOUR&
AREA.

OTHER SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED OVER SOUTHWEST
ALABAMA AND NORTHWEST FLORIDA AND WERE MOVING TO THE SOUTHWEST AT 10
MILES AN HOUR.

TUNE TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 7, 5:28 PM CDT, 1 hour 11 minutes before
ALZ016-501-080030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
526 PM CDT WED JUL 7 1993

...THUNDERSTORMS CONTINUE ACROSS BALDWIN COUNTY ALABAMA...

AT 520 PM...NATIONAL WEATHER SERVICE RADAR IN MOBILE SHOWED SOME
STRONG THUNDERSTORMS OVER BALDWIN COUNTY.  THESE STORMS STRETCHED
FROM NEAR BAY MINETTE...TO LOXLEY...THEN TO FOLEY.  THE THUNDERSTORMS
WERE MOVING TO THE WEST AND SOUTHWEST AT 10 MILES AN HOUR.

ALTHOUGH NOT SEVERE...STRONG THUNDERSTORMS CAN PRODUCE HEAVY RAINFALL
AMOUNTS IN ADDITION TO STRONG GUSTY WINDS...FREQUENT DANGEROUS
LIGHTNING AND SMALL HAIL.

MARINE INTERESTS IN AND ALONG MOBILE BAY SHOULD BE ON THE LOOKOUT FOR
POSSIBLE MARINE WARNINGS IN THE NEXT FbEW MINUTES IF THESE STORMS
MAINTAIN THEIR INTENSITY AND MOVEMENT.
Special weather statement, Jul 7, 5:39 PM CDT, 1 hour before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 5:35 PM CDTSevere Thunderstorm WarningMOBBaldwin40 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.