Alert archive / Mississippi / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 67, NWS Mobile, AL

June 29, 1992Perry County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 29, 1992, 4:51 PM CDT for Perry County, Mississippi. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1992, 4:51 PM CDT (21:51 UTC)
Expired
Jun 29, 1992, 5:37 PM CDT
In force
46 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, 9.9 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 1992-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2690 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 1992-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
2690 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
82 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 292154
SVRMOB
MSC111-292245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
451 PM CDT MON JUN 29 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTHEAST MISSISSIPPI
 
   ...PERRY COUNTY
 
AT 450 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHWEST OF
BEAUMONT. THE STORM WAS MOVING TO THE NORTHEAST AT 20 MPH.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 3:36 PM CDTSevere Thunderstorm WarningMOBHancock, Pearl River69 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1992Every severe thunderstorm warning in 1992

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.