Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 2, NWS Tallahassee, FL

February 11, 1993Russell County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 11, 1993, 10:57 PM CST for Russell County, Alabama. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Feb 11, 1993, 10:57 PM CST (04:57 UTC)
Expired
Feb 12, 1993, 12:00 AM CST
In force
63 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Russell County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 5.0 hours before the alert went out and 201 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 00:00Z on 1993-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 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, Centreville/Bibb, AL at 00:00Z on 1993-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 square meters per square second.1939587897117Sfc1 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
368 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCSG 120457
SVRCSG
ALC113-GAC145-215-120600-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
1157 PM EST THU FEB 11 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  100 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL ALABAMA
 
   ...RUSSELL COUNTY
 
 
IN WEST CENTRAL GEORGIA
 
   ...HARRIS COUNTY...MUSCOGEE COUNTY
 
WEATHER RADAR IN COLUMBUS NOTED VERY INTENSE THUNDERSTORMS OCCURRING IN
CENTRAL LEE COUNTY ALABAMA AND NEAR WEST POINT GEORGIA.
MOVEMENT OF THESE THUNDERSTORMS WAS TO THE EAST 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.

Nearby

Severe Thunderstorm Warnings in Alabama, 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.