Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 35, NWS Mobile, AL

May 30, 1993Mobile County, Alabama; George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at May 30, 1993, 2:15 PM CDT for Mobile County, Alabama; George County, Mississippi. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 30, 1993, 2:15 PM CDT (19:15 UTC)
Expired
May 30, 1993, 3:00 PM CDT
In force
45 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Mobile County, AL, George County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.3 hours before the alert went out and 136 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 1993-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 737 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 1993-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
737 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
63 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 301915 RRA
SVRMOB
ALC097-MSC039-302000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
215 PM CDT SUN MAY 30 1993
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY
 
IN SOUTHEAST MISSISSIPPI
 
   ...GEORGE COUNTY
 
AT 212 PM MOBILE WEATHER RADAR SHOWED A SEVERE THUNDERSTORM LOCATED JUST
NORTHWEST OF WILMER IN NORTHWEST MOBILE COUNTY ALABAMA AND JUST EAST OF
LUCEDALE IN GEORGE COUNTY OF SOUTHEAST MISSISSIPPI. THIS STORM SHOWED
VERY LITTLE MOVEMENT AND WAS BUILDING VERY RAPIDLY.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, May 30, 1:54 PM CDT, 21 minutes before
ALZ013-015-016-MSZ014-013-302000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
153 PM CDT SUN MAY 30 1993

...ISOLATED THUNDERSTORMS SCATTERED ACROSS SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA...

AT 150 PM MOBILE WEATHER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
SCATTERED ACROSS THE MISSISSIPPI AND ALABAMA COASTAL COUNTIES WITH THE
STRONGEST STORM LOCATED NEAR FRANKLIN IN NORTHWEST MONROE COUNTY OF
SOUTHWEST ALABAMA. TWO OTHER STRONG STORMS WERE LOCATED IN MOBILE
COUNTY...ONE NEAR GULFCREST IN THE NORTH CENTRAL PART OF THE COUNTY AND
THE OTHER ON THE NORTHWEST TIP OF THE COUNTY AND EXTENDING INTO THE
SOUTHWEST TIP OF WASHINGTON COUNTY. THESE STORMS SHOWED VERY LITTLE
MOVEMENT AND WERE PRODUCING HEAVY RAINS...FREQUENT LIGHTNING AND GUSTY
WINDS.

Nearby

Severe Thunderstorm Warnings in Alabama, 1993Severe 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.