Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 45, NWS Mobile, AL

May 3, 1994Jackson County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at May 3, 1994, 8:18 AM CDT for Jackson County, Mississippi. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 3, 1994, 8:18 AM CDT (13:18 UTC)
Expired
May 3, 1994, 9:15 AM CDT
In force
57 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Jackson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.3 hours before the alert went out and 106 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 1994-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1838 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 1994-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.193958Sfc1 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
1838 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
1.2
Supercell composite
7.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 031317 RRA
SVRMOB
MSC059-031415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
818 AM CDT TUE MAY 3 1994
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...JACKSON COUNTY
 
AT 810 PM THE MOBILE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTH
OF BILOXI MOVING TOWARD THE NORTHEAST AT 25 MPH. THIS PATH WILL TAKE THE
STORM NEAR BAY ST. LOUIS...GAUTIER AND PASCAGOULA.
 
DAMAGING WINDS AND LARGE HAIL IS LIKELY WITH THIS THUNDERSTORM.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 3, 7:06 AM CDT, 1 hour 12 minutes before
MSZ075>082-031300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE, AL
706 AM CDT TUE MAY 3 1994

AT 705 AM...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
STRONG THUNDERSTORMS MOVING THROUGH SOUTHEAST MISSISSIPPI.  THE
STRONGEST THUNDERSTORMS WERE NOTED IN A LINE EXTENDING FROM SELLERS
IN NORTHEAST HANCOCK COUNTY TO NORTHEAST GREENE COUNTY NEAR
KNOBTOWN.  THE STRONGEST STORM IN THIS LINE WAS NOTED OVER CENTRAL
STONE COUNTY NEAR TEN MILE AND WIGGINS.  MOVEMENT OF THE THUNDERSTORMS
WAS TO THE EAST AT 30 MPH.

THESE THUNDERSTORMS WERE LIKELY PRODUCING VERY HEAVY RAINS...STRONG
GUSTY WINDS...FREQUENT LIGHTNING STRIKES AND SMALL HAIL.
Special weather statement, May 3, 7:31 AM CDT, 47 minutes before
ALZ052-053-055-056-059-061>064-MSZ075>082-031330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE, AL
731 AM CDT TUE MAY 3 1994

...STRONG THUNDERSTORMS MOVING THROUGH SOUTHEAST MISSISSIPPI INTO
   SOUTHWEST ALABAMA...

AT 730 AM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS EXTENDING FROM SOUTHEAST HANCOCK COUNTY MISSISSIPPI TO
NORTHERN WASHINGTON COUNTY ALABAMA.  THE STRONGEST THUNDERSTORMS IN
THIS LINE WERE OVER EASTERN STONE COUNTY MISSISSIPPI SOUTHEAST OF
WIGGINS...AND OVER NORTHWEST GEORGE COUNTY BETWEEN BENNDALE AND
MERRILL.  THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MPH...
AND WILL AFFECT MUCH OF COASTAL MISSISSIPPI AND SOUTHWEST ALABAMA
THIS MORNING.

AS THESE THUNDERSTORMS MOVE THROUGH...THEY WILL LIKELY PRODUCE VERY
HEAVY RAINFALL AMOUNTS...FREQUENT LIGHTNING STRIKES...STRONG GUSTY
WINDS AND SOME SMALL HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 9:31 AM CDTTornado WarningMOBJackson29 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994Every severe thunderstorm warning in 1994

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.