Alert archive / Alabama / Tornado Warnings in 1992

Tornado Warning 21, NWS Birmingham, AL

November 22, 1992DeKalb County, Alabama

NWS Birmingham, AL issued this tornado warning at Nov 22, 1992, 8:20 AM CST for DeKalb County, Alabama. It was in force for 55 min. 3 reports 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
Nov 22, 1992, 8:20 AM CST (14:20 UTC)
Expired
Nov 22, 1992, 9:15 AM CST
In force
55 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County DeKalb County, AL

What was reported inside it

TimeReportWhereRemark
Nov 22, 8:20 AM CSTTornado F0Dekalb, AL
Nov 22, 8:20 AM CSTTornado F2Dekalb, AL
Nov 22, 8:40 AM CSTTornado F2Dekalb, 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

Nashville Metro, TN (KBNA), launched 12:00Z, 2.3 hours before the alert went out and 199 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 1992-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 179 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1992-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 414 square meters per square second.1939587897Sfc1 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
179 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
414 m²/s²
0-3 km storm-relative helicity
497 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 221421
TORHSV
ALC049-221515-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
820 AM CST SUN NOV 22 1992
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 AM CST
 
 
IN NORTH ALABAMA
 
   ...DEKALB COUNTY
 
AT 819 THIS MORNING A TORNADO HAD TOUCHED DOWN BETWEEN DAWSON AND
COLLINSVILLE IN SOUTHERN DE KALB COUNTY.
 
THE TORNADO WAS MOVING NORTHEAST AT 35 MILES AN WILL PASS NEAR LABANON
DURING THE NEXT FEW MINUTES.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 3:12 AM CSTSevere Thunderstorm WarningBMXGreene, Pickens48 min
Nov 22, 3:51 AM CSTSevere Thunderstorm WarningBMXTuscaloosa69 min
Nov 22, 4:06 AM CSTSevere Thunderstorm WarningBMXGreene, Hale, Marengo54 min
Nov 22, 4:54 AM CSTSevere Thunderstorm WarningBMXBibb, Perry51 min
Nov 22, 4:59 AM CSTSevere Thunderstorm WarningBMXWalker46 min
Nov 22, 5:09 AM CSTTornado WarningBMXWalker36 min
Nov 22, 5:34 AM CSTTornado WarningBMXCullman41 min
Nov 22, 5:40 AM CSTSevere Thunderstorm WarningBMXShelby65 min
Nov 22, 5:40 AM CSTSevere Thunderstorm WarningBMXBibb35 min
Nov 22, 6:01 AM CSTTornado WarningBMXMorgan59 min
Nov 22, 6:31 AM CSTTornado WarningBMXShelby29 min
Nov 22, 6:38 AM CSTSevere Thunderstorm WarningBMXSt. Clair52 min
Nov 22, 6:40 AM CSTTornado WarningBMXMadison65 min
Nov 22, 6:47 AM CSTSevere Thunderstorm WarningBMXChilton43 min
Nov 22, 6:57 AM CSTSevere Thunderstorm WarningBMXShelby33 min
Nov 22, 7:23 AM CSTSevere Thunderstorm WarningBMXEtowah67 min
Nov 22, 7:27 AM CSTSevere Thunderstorm WarningBMXShelby33 min
Nov 22, 7:33 AM CSTSevere Thunderstorm WarningBMXTalladega72 min
Nov 22, 8:00 AM CSTSevere Thunderstorm WarningBMXDeKalb60 min
Nov 22, 8:19 AM CSTSevere Thunderstorm WarningBMXCherokee41 min
Nov 22, 8:23 AM CSTSevere Thunderstorm WarningBMXClay52 min
Nov 22, 8:27 AM CSTTornado WarningBMXJackson63 min
Nov 22, 8:53 AM CSTSevere Thunderstorm WarningBMXRandolph52 min
Nov 22, 9:03 AM CSTSevere Thunderstorm WarningBMXCleburne42 min

Nearby

Tornado Warnings in Alabama, 1992Every tornado warning in 1992Tornadoes 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.