Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 37, NWS Mobile, AL

April 15, 1994Hancock County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 15, 1994, 2:33 PM CDT for Hancock County, Mississippi. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 2:33 PM CDT (19:33 UTC)
Expired
Apr 15, 1994, 3:00 PM CDT
In force
27 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Hancock County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.6 hours before the alert went out and 27 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 1994-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1905 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 1994-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1905 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 151932
SVRMOB
MSC045-152000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
233 PM CDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...HANCOCK COUNTY
 
AT 230 PM THE MOBILE RADAR INDICATED A SEVERE THUNDERSTORM ALONG AND
NORTH OF INTERSTATE HIGHWAY 10 IN HANCOCK COUNTY. THE STORM WAS MOVING
TOWARD THE EAST-NORTHEAST AT 30 MPH.
 
AT 220 PM THE SHERIFFS OFFICE IN HANCOCK COUNTY REPORTED A FUNNEL CLOUD
JUST NORTH OF INTERSTATE 10 NORTHWEST OF BAY ST. LOUIS.  THE FUNNEL
EXTENDED ABOUT HALF-WAY TO THE GROUND BEFORE RECEDING INTO THE CLOUDS.
 
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 HOjME 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, Apr 15, 12:26 PM CDT, 2 hours 7 minutes before
ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080-
081-082-151830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1226 PM CDT FRI APR 15 1994

...STRONG THUNDERSTORMS DEVELOPING OVER MONROE COUNTY ALABAMA...

AT 1220 PM THE MOBILE RADAR INDICATED A CLUSTER OF RAPIDLY DEVELOPING
THUNDERSTORMS NEAR FRISCO CITY ALABAMA MOVING TOWARD THE NORTHEAST AT 40
MPH.  THESE STORMS WILL PASS BETWEEN MONROEVILLE AND EVERGREEN WITH
STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAINFALL AND POSSIBLE
HAIL.   IF THE INTENSITY CONTINUES TO INCREASE A WARNING MAY BE REQUIRED
IN PORTIONS OF MONROE AND CONECUH COUNTIES BEFORE LONG.

FURTHER WEST...AN AREA OF THUNDERSTORMS IS DEVELOPING NEAR NEW ORLEANS
AND WILL LIKELY AFFECT PORTIONS OF SOUTHEAST MISSISSIPPI WITHIN AN HOUR
OR TWO.

THE ATMOSPHERE IS VERY UNSTABLE TODAY AND CONDITIONS ARE PRIME FOR
STRONG THUNDERSTORMS THROUGHOUT THE AREA.  RESIDENTS OF SOUTHEAST
MIS4SISSIPPI AND SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR WEATHER EVENTS
TODAY AND TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 1:25 PM CDTSevere Thunderstorm WarningMOBHancock65 min
Apr 15, 1:45 PM CDTSevere Thunderstorm WarningMOBPearl River60 min
Apr 15, 2:00 PM CDTTornado WarningMOBHancock30 min
Apr 15, 2:16 PM CDTSevere Thunderstorm WarningMOBHarrison59 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.