Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 73, NWS Mobile, AL

July 29, 1993Perry County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jul 29, 1993, 6:36 PM CDT for Perry County, Mississippi. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1993, 6:36 PM CDT (23:36 UTC)
Expired
Jul 29, 1993, 7:15 PM CDT
In force
39 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Perry County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.6 hours before the alert went out and 123 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 1993-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1800 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 1993-07-29The 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
1800 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
816 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
34 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 292335 RRA
SVRMOB
MSC111-300015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
636 PM CDT THU JUL 29 1993
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...WESTERN PERRY COUNTY
 
AT 635 PM WEATHER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS EXTENDING
FROM NEAR JANICE IN SOUTHWEST PERRY COUNTY NORTH TO NEAR RUNNELSTOWN IN
NORTHWEST PERRY COUNTY. THESE STORMS WERE SLOWLY DRIFTING SOUTHWEST.
 
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 29, 5:15 PM CDT, 1 hour 21 minutes before
ALZ013-015-016-MSZ014-013-300015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
514 PM CDT THU JUL 29 1993

...SEVERE THUNDERSTORM WARNING FOR NORTHERN CLARKE COUNTY HAS EXPIRED...

...STRONG THUNDERSTORMS CONTINUE ACROSS SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA...

AT 510 PM CDT MOBILE RADAR CONTINUED TO SHOW STRONG THUNDERSTORMS ACROSS
THE SOUTHERN COUNTIES OF MISSISSIPPI AND ALABAMA.  AN AREA OF STRONG
STORMS EXTENDED NORTHWEST FROM NORTH MOBILE COUNTY NEAR GULFCREST INTO
GREENE COUNTY OF SOUTHEAST MISSISSIPPI TO NEAR LEAKESVILLE.  ANOTHER
STRONG STORM WAS ON THE CLARKE AND MONROE COUNTY LINES NEAR CLAIBORNE.
THESE STORMS SHOWED VERY LITTLE MOVEMENT AND WILL PRODUCE HEAVY
RAINS...GUSTY WINDS AND DANGEROUS LIGHTNING.

PERSONS SHOULD BE PREPARED TO MOVE TO SAFE SHELTER SHOULD THREATENING
WEATHER APPROACH.  STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA
FOR LATER STATEMENTS CONCERNING THESE STORMS.
Special weather statement, Jul 29, 6:15 PM CDT, 21 minutes before
ALZ013-015-016-MSZ014-013-300115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
615 PM CDT THU JUL 29 1993

...STRONG THUNDERSTORMS CONTINUE OVER SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA COUNTIES...

AT 610 PM CDT MOBILE WEATHER RADAR SHOWED STRONG THUNDERSTORMS ACROSS
SOUTH GREEN AND NORTH GEORGE COUNTIES OF SOUTHEAST
MISSISSIPPI...EXTENDING WEST FROM NEAR MERRILL AND LEAKESVILLE INTO
PERRY COUNTY AND THEN EXTENDING NORTHWEST FROM NEAR LEAF...ACROSS MCLAIN
AND BEAUMONT...TO NEAR RICHTON.

OTHER STRONG STORMS WERE LOCATED IN NORTH CENTRAL MOBILE COUNTY NEAR
GULFCREST AND IN NORTH BALDWIN COUNTY AND WEST ESCAMBIA COUNTY ALL NEAR
MCCULLOUGH...HUXFORD...AND TENSAW.

THESE STORMS HAD A SLIGHT DRIFT TO THE SOUTH AND CAN BE EXPECTED TO
PRODUCE HEAVY RAINS...GUSTY WINDS AND DANGEROUS LIGHTNING.  PERSONS IN
THESE AREAS SHOULD REMAIN ALERT TO RAPID CHANGES IN THE WEATHER AND BE
PREPARED TO SEEK SAFE SHELTER IF NECESSARY.

STAY TUNED TO NOAA WEATHER RADIO AND YOUR LOCAL NEWS MEDIA FOR ANY
FURTHER UPDATES OR WARNINGS.

Nearby

Severe 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.