Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 31, NWS Mobile, AL

April 26, 1993Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 26, 1993, 1:25 AM CDT for Mobile County, Alabama. It was in force for 65 min.

The area

The counties it named.

The facts

Issued: Apr 26, 1993, 1:25 AM CDT (06:25 UTC)
Expired: Apr 26, 1993, 2:30 AM CDT
In force: 65 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Mobile County, AL

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.4 hours before the alert went out and 255 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1071 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1356 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.8

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, Apr 25, 9:59 PM CDT, 3 hours 26 minutes before

ALZ013-260400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
956 PM CDT SUN APR 25 1993

...STRONG THUNDERSTORMS APPROACHING WASHINGTON AND CLARKE COUNTIES OF
ALABAMA...

A LINE OF STRONG THUNDERSTORMS MOVING TOWARD THE SOUTHEAST OUT OF EAST
CENTRAL MISSISSIPPI IS APPROACHING PORTIONS OF SOUTHWEST ALABAMA.
THESE THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE NORTHWEST PORTIONS OF
WASHINGTON AND CLARKE COUNTIES DURING THE NEXT COUPLE OF HOURS.

RESIDENTS IN THESE COUNTIES CAN EXPECT STRONG GUSTY WINDS...DANGEROUS
LIGHTINING...HEAVY RAINFALL AND POSSIBLE HAIL.

THE THUNDERSTORMS ARE LIKELY TO AFFECT OTHER SOUTHWEST ALABAMA COUNTIES
LATER THIS EVENING AND INTO THE EARLY MORNING HOURS.

Special weather statement, Apr 26, 12:57 AM CDT, 28 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 10:55 PM CDT	Severe Thunderstorm Warning	MOB	Washington	50 min
Apr 25, 11:46 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Washington	44 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1993 Every 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.