Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 49, NWS Mobile, AL

July 3, 1993Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 3, 1993, 8:26 PM CDT for Mobile County, Alabama. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1993, 8:26 PM CDT (01:26 UTC)
Expired
Jul 3, 1993, 9:15 PM CDT
In force
49 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Mobile County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.4 hours before the alert went out and 152 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 00:00Z on 1993-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2147 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 00:00Z on 1993-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
2147 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
58 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 040127 RRA
SVRMOB
ALC097-040215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
826 PM CDT SAT JUL 3 1993
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...CENTRAL MOBILE COUNTY
 
AT 830 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER CENTRAL
MOBILE COUNTY JUST SOUTH OF MOBILE AND WAS MOVING NORTHWEST AT ABOUT 10
MPH.
 
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, Jul 3, 4:54 PM CDT, 3 hours 32 minutes before
MSZ014-013-040000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
453 PM CDT SAT JUL 3 1993

...STRONG THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI THIS AFTERNOON...

AT 45O PM MOBILE RADAR INDICATED AN AN AREA OF STRONG THUNDERSTORMS AND
RAINSHOWERS OVER SOUTH PEARL RIVER COUNTY AND NORTH HANCOCK COUNTY OF
OF SOUTHEAST MISSISSIPPI WITH THE STRONGEST STORM LOCATED A FEW MILE
NORTHEAST OF PICAYUNE. THESE STORMS ARE MOVING VERY SLOWLY TO THE NORTH
AND CAN BE EXPECTED TO PRODUCE GUSTY WINDS...DANGEROUS LIGHTNING AND
POSSIBLY SOME HAIL.

PERSONS IN SOUTHEAST MISSISSIPPI SHOULD REMAIN ALERT TO RAPID CHANGES IN
THE WEATHER AND BE READY TO SEEK SHELTER IF NECCESSARY.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER WEATHER UPDATES.
Special weather statement, Jul 3, 6:30 PM CDT, 1 hour 56 minutes before
ALZ013-015-016-040130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
630 PM CDT SAT JUL 3 1993

...STRONG THUNDERSTORMS DEVELOPING OVER NORTH BALDWIN AND ESCAMBIA
COUNTIES OF SOUTHWEST ALABAMA...

AT 625 PM MOBILE WEATHER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
AND RAINSHOWERS OVER NORTH BALDWIN COUNTY AND WEST ESCAMBIA COUNTY WITH
THE STRONGEST STORM LOCATED IN NORTHEAST BALDWIN COUNTY A FEW MILES
EAST OF TENSAW AND ANOTHER STRONG STORM JUST EAST OF MCCULLOUGH IN WEST
ESCAMBIA COUNTY.  THESE STORMS HAD VERY LITTLE MOVEMENT AND CAN BE
EXPECTED TO PRODUCE GUSTY WINDS...DANGEROUS LIGHTNING AND POSSIBLY SOME
SMALL HAIL.

PERSONS IN THESE AREAS SHOULD REMAIN ALERT TO RDAPIDLY CHANGING WEATHER
CONDITIONS AND BE PREPARED TO SEEK SHELTER IF NECESSARY.

STAY TUNED TO YOUR LOCAL NEWS MEDIA AND NOAA WEATHER RADIO FOR ANY
FURTHER UPDATES OR POSSIBLE WARNINGS.
Local storm report, Jul 3, 7:55 PM CDT, 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PENSACOLA FL
755 PM CDT SAT JUL 3 1993

TIME          EVENT

TREES REPORTED BLOWN DOWN ALONG SCENIS HIGHWAY IN EAST PENSACOLA
BETWEEN 6 AND 630 PM CDT.
Local storm report, Jul 3, 7:59 PM CDT, 27 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PENSACOLA FL
755 PM CDT SAT JUL 3 1993

TIME          EVENT

TREES REPORTED BLOWN DOWN ALONG SCENIS HIGHWAY IN EAST PENSACOLA
BETWEEN 6 AND 630 PM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 7:25 PM CDTTornado WarningMOBBaldwin35 min
Jul 3, 8:11 PM CDTSevere Thunderstorm WarningMOBMobile35 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.