Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Mobile, AL

March 30, 1992Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 30, 1992, 1:56 PM CST for Crenshaw County, Alabama. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 30, 1992, 1:56 PM CST (19:56 UTC)
Expired
Mar 30, 1992, 3:00 PM CST
In force
64 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Crenshaw County, AL

What was reported inside it

TimeReportWhereRemark
Mar 30, 2:10 PM CSTHail 0.75Crenshaw, AL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.9 hours before the alert went out and 154 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, Centreville/Bibb, AL at 12:00Z on 1992-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 12:00Z on 1992-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
18 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 301957 RRA
SVRMGM
ALC041-061-302100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
156 PM CST MON MAR 30 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...CRENSHAW COUNTY...GENEVA COUNTY
 
WEATHER RADAR AT MONTGOMERY SHOWED SEVERE THUNDERSTORMS OVER SAMSON IN
GENEVA COUNTY AND JUST WEST OF DOZIER IN CRENSHAW COUNTY MOVING TOWARD
THE EAST AT 30 MPH. GOLF BALL SIZE HAIL HAS BEEN REPORTED WITH
THE STORM WEST OF DOZIER.
 
 
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
Mar 30, 6:00 AM CSTSevere Thunderstorm WarningMOBDallas, Wilcox60 min
Mar 30, 12:57 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia33 min
Mar 30, 1:15 PM CSTSevere Thunderstorm WarningMOBCovington60 min
Mar 30, 1:24 PM CSTSevere Thunderstorm WarningMOBEscambia39 min
Mar 30, 1:56 PM CSTSevere Thunderstorm WarningMOBGeneva64 min
Mar 30, 2:15 PM CSTSevere Thunderstorm WarningMOBHenry60 min
Mar 30, 2:47 PM CSTSevere Thunderstorm WarningMOBHouston43 min
Mar 30, 2:47 PM CSTSevere Thunderstorm WarningMOBPike43 min
Mar 30, 3:13 PM CSTSevere Thunderstorm WarningMOBHenry47 min
Mar 30, 3:36 PM CSTSevere Thunderstorm WarningMOBBullock69 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.