Alert archive / Alabama / Tornado Warnings in 1996

Tornado Warning 118, NWS Birmingham, AL

December 1, 1996Coosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Dec 1, 1996, 1:35 AM CST for Coosa County, Alabama. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 1, 1996, 1:35 AM CST (07:35 UTC)
Expired
Dec 1, 1996, 2:00 AM CST
In force
25 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Coosa County, AL

The radar

The Birmingham radar (KBMX), 55 km from the middle of the area, began a volume at 07:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.6 hours before the alert went out and 57 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, Birmingham, AL at 00:00Z on 1996-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 1996-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 288 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
53 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
288 m²/s²
0-3 km storm-relative helicity
363 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.

621 
WFUS1 KBHM 010736 RRA
TORBHM
ALC037-010800-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
135 AM CST SUN DEC 1 1996
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  200 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ALABAMA
 
   ...EASTERN COOSA COUNTY
 
AT 135 AM RADAR INDICATED A SEVERE THUNDERSTORM CONTAINING A POSSIBLE
TORNADO OVER EASTERN COOSA COUNTY. THIS STORM WAS MOVING EAST-NORTHEAST
AT 30 MPH.
 
 
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Dec 1, 12:29 AM CST, 1 hour 6 minutes before
ALZ004>007-013>016-023-032-010700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
 1230 AM CST SUN DEC 1 1996

TORNADO WATCH NUMBER 1150 HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES IN WEST ALABAMA...

LIMESTONE...LAWRENCE...WINSTON...WALKER...TUSCALOOSA AND HALE.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 8:41 PM CSTSevere Thunderstorm WarningBMXColbert, Franklin64 min
Nov 30, 8:51 PM CSTSevere Thunderstorm WarningBMXLauderdale69 min
Nov 30, 9:02 PM CSTFlash Flood WarningBMXColbert, Franklin118 min
Nov 30, 9:02 PM CSTFlash Flood WarningBMXLauderdale118 min
Nov 30, 9:47 PM CSTSevere Thunderstorm WarningBMXColbert, Franklin58 min
Nov 30, 10:03 PM CSTSevere Thunderstorm WarningBMXLauderdale57 min
Nov 30, 10:11 PM CSTSevere Thunderstorm WarningBMXDallas34 min
Nov 30, 10:25 PM CSTTornado WarningBMXChilton50 min
Nov 30, 10:57 PM CSTTornado WarningBMXCoosa63 min
Nov 30, 11:23 PM CSTTornado WarningBMXTalladega37 min
Nov 30, 11:28 PM CSTTornado WarningBMXClay47 min
Dec 1, 1:24 AM CSTTornado WarningBMXMontgomery51 min
Dec 1, 1:38 AM CSTTornado WarningBMXTallapoosa37 min
Dec 1, 1:44 AM CSTTornado WarningBMXMacon46 min
Dec 1, 1:45 AM CSTTornado WarningBMXElmore30 min
Dec 1, 1:49 AM CSTTornado WarningBMXClay41 min
Dec 1, 1:59 AM CSTTornado WarningBMXTallapoosa46 min
Dec 1, 2:03 AM CSTFlash Flood WarningBMXElmore, Montgomery117 min
Dec 1, 2:05 AM CSTTornado WarningBMXRandolph40 min
Dec 1, 2:09 AM CSTTornado WarningBMXBullock36 min
Dec 1, 2:15 AM CSTTornado WarningBMXChambers45 min
Dec 1, 2:22 AM CSTTornado WarningBMXLee38 min

Nearby

Tornado Warnings in Alabama, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.