Alert archive / Alabama / Tornado Warnings in 1997

Tornado Warning 37, NWS Birmingham, AL

February 21, 1997Montgomery County, Alabama

NWS Birmingham, AL issued this tornado warning at Feb 21, 1997, 10:57 AM CST for Montgomery County, Alabama. It was in force for 48 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: Feb 21, 1997, 10:57 AM CST (16:57 UTC)
Expired: Feb 21, 1997, 11:45 AM CST
In force: 48 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Montgomery County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 21, 9:15 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.0 hours before the alert went out and 119 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 116 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 530 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 211658 RRA
TORBHM
ALC101-211745-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1057 AM CST FRI FEB 21 1997
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1145 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ALABAMA
 
   ...MONTGOMERY COUNTY
 
...A NEW CLUSTER OF SEVERE THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING
TORNADOS WILL MOVE INTO WESTERN MONTGOMERY COUNTY OVER THE CITY OF
MONTGOMERY BY 11:15 AM THIS MORNING. THE STORMS WERE MOVING
EAST-NORTHEAST AT 35 MPH.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 21, 5:08 AM CST	Tornado Warning	BMX	Lamar, Pickens	52 min
Feb 21, 5:51 AM CST	Tornado Warning	BMX	Marion	69 min
Feb 21, 5:57 AM CST	Severe Thunderstorm Warning	BMX	Pickens	48 min
Feb 21, 6:00 AM CST	Tornado Warning	BMX	Fayette, Lamar	60 min
Feb 21, 6:05 AM CST	Severe Thunderstorm Warning	BMX	Winston	55 min
Feb 21, 6:11 AM CST	Severe Thunderstorm Warning	BMX	Franklin	64 min
Feb 21, 6:15 AM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	60 min
Feb 21, 6:18 AM CST	Severe Thunderstorm Warning	BMX	Franklin	57 min
Feb 21, 6:28 AM CST	Severe Thunderstorm Warning	BMX	Walker	62 min
Feb 21, 6:32 AM CST	Severe Thunderstorm Warning	BMX	Colbert, Lauderdale, Lawrence	58 min
Feb 21, 6:45 AM CST	Tornado Warning	BMX	Lawrence	45 min
Feb 21, 6:56 AM CST	Severe Thunderstorm Warning	BMX	Cullman	64 min
Feb 21, 7:10 AM CST	Severe Thunderstorm Warning	BMX	Limestone	50 min
Feb 21, 7:21 AM CST	Severe Thunderstorm Warning	BMX	Madison	54 min
Feb 21, 7:24 AM CST	Severe Thunderstorm Warning	BMX	Morgan	51 min
Feb 21, 7:53 AM CST	Severe Thunderstorm Warning	BMX	Jackson	67 min
Feb 21, 8:04 AM CST	Severe Thunderstorm Warning	BMX	Greene	56 min
Feb 21, 8:21 AM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	54 min
Feb 21, 8:47 AM CST	Severe Thunderstorm Warning	BMX	Dallas	43 min
Feb 21, 9:00 AM CST	Severe Thunderstorm Warning	BMX	Bibb	45 min
Feb 21, 9:22 AM CST	Severe Thunderstorm Warning	BMX	Autauga	38 min
Feb 21, 9:29 AM CST	Severe Thunderstorm Warning	BMX	Shelby	46 min
Feb 21, 9:38 AM CST	Severe Thunderstorm Warning	BMX	Lowndes	52 min
Feb 21, 9:57 AM CST	Severe Thunderstorm Warning	BMX	Autauga	33 min
Feb 21, 10:12 AM CST	Tornado Warning	BMX	Coosa, Elmore	48 min
Feb 21, 10:19 AM CST	Tornado Warning	BMX	Montgomery	41 min
Feb 21, 10:31 AM CST	Severe Thunderstorm Warning	BMX	Talladega	44 min
Feb 21, 10:36 AM CST	Severe Thunderstorm Warning	BMX	Lowndes	39 min
Feb 21, 10:45 AM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	45 min
Feb 21, 11:01 AM CST	Tornado Warning	BMX	Elmore	29 min
Feb 21, 11:15 AM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee	45 min

Nearby

Tornado Warnings in Alabama, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.