Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 9, NWS Birmingham, AL

March 9, 1992Colbert County, Lauderdale County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 9, 1992, 3:00 PM CST for Colbert County, Lauderdale County, Alabama. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Mar 9, 1992, 3:00 PM CST (21:00 UTC)
Expired
Mar 9, 1992, 4:00 PM CST
In force
60 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Colbert County, AL, Lauderdale County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.0 hours before the alert went out and 180 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, Nashville Metro, TN at 12:00Z on 1992-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Nashville Metro, TN at 12:00Z on 1992-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2171 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
182 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 KHSV 092101
SVRHSV
ALC033-077-092200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
300 PM CST MON MAR 9 1992
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM CST
 
 
IN NORTH ALABAMA
 
   ...COLBERT COUNTY...LAUDERDALE COUNTY
 
AT 255 PM CST RADAR AT HUNTSVILLE INDICATED A SEVERE THUNDERSTORM IN
THE SOUTHWEST CORNER OF COLBERT COUNTY ALABAMA. THIS STORM WAS MOVING
TOWARDS THE NORTHEAST AT 35 MPH.
 
THIS STORM WILL PUSH THROUGH COLBERT INTO LAUDERDALE COUNTY DURING THE
NEXT HOUR.
 
A SIMILAR THUNDERSTORM IN MISSISSIPPI PRODUCED GOLF BALL SIZE HAIL
DURING THE LAST 30 MINUTES.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:44 PM CSTSevere Thunderstorm WarningBMXColbert, Lauderdale61 min
Mar 9, 3:44 PM CSTSevere Thunderstorm WarningBMXFranklin61 min
Mar 9, 4:45 PM CSTSevere Thunderstorm WarningBMXColbert, Lawrence43 min
Mar 9, 4:52 PM CSTSevere Thunderstorm WarningBMXWinston28 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; the sounding from the Mesonet's radiosonde archive.