Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 266, NWS Birmingham, AL

April 28, 1997Cherokee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 28, 1997, 3:53 PM CDT for Cherokee County, Alabama. It was in force for 62 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
Apr 28, 1997, 3:53 PM CDT (20:53 UTC)
Expired
Apr 28, 1997, 4:55 PM CDT
In force
62 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Cherokee County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 28, 3:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.9 hours before the alert went out and 136 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-04-28Temperature 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

225 
WUUS1 KBHM 282055 RRA
SVRBHM
ALC019-282155-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
353 PM CDT MON APR 28 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 455 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN ALABAMA

   ...CHEROKEE
 
AT 351 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY WEATHER
RADAR 8 MILES SOUTHWEST OF PINE GROVE MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
PINE GROVE                  AROUND 406 PM CDT
SPRING GARDEN               AROUND 418 PM CDT
CENTRE                      AROUND 418 PM CDT
BOMAR                       AROUND 425 PM CDT
ROCK RUN                    AROUND 428 PM CDT
 
IF YOU ARE CAUGHT OUTSIDE... SEEK REFUGE FROM THE STORM IN A
STRONG BUILDING. BOATERS ON AREA LAKES SHOULD TAKE SHELTER.
DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN... AND DANGEROUS
LIGHTNING ARE ALL LIKELY. DO NOT SEEK SHELTER UNDER TREES OR OTHER
ISOLATED TALL OBJECTS. THESE ATTRACT LIGHTNING. DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 1:10 PM CDTSevere Thunderstorm WarningBMXSt. Clair30 min
Apr 28, 1:46 PM CDTSevere Thunderstorm WarningBMXTalladega34 min
Apr 28, 2:10 PM CDTSevere Thunderstorm WarningBMXCalhoun60 min
Apr 28, 2:52 PM CDTSevere Thunderstorm WarningBMXEtowah, St. Clair63 min
Apr 28, 4:16 PM CDTSevere Thunderstorm WarningBMXBlount49 min
Apr 28, 4:46 PM CDTSevere Thunderstorm WarningBMXEtowah64 min
Apr 28, 4:49 PM CDTSevere Thunderstorm WarningBMXMarshall56 min
Apr 28, 4:56 PM CDTSevere Thunderstorm WarningBMXCullman, Winston64 min
Apr 28, 5:02 PM CDTSevere Thunderstorm WarningBMXDeKalb58 min
Apr 28, 5:13 PM CDTSevere Thunderstorm WarningBMXLimestone, Madison62 min
Apr 28, 5:21 PM CDTSevere Thunderstorm WarningBMXSt. Clair49 min
Apr 28, 5:40 PM CDTSevere Thunderstorm WarningBMXBlount65 min
Apr 28, 5:51 PM CDTTornado WarningBMXDeKalb69 min
Apr 28, 6:08 PM CDTSevere Thunderstorm WarningBMXSt. Clair32 min
Apr 28, 6:15 PM CDTFlash Flood WarningBMXEtowah2 hr
Apr 28, 6:15 PM CDTSevere Thunderstorm WarningBMXMarshall60 min
Apr 28, 6:27 PM CDTSevere Thunderstorm WarningBMXEtowah48 min
Apr 28, 6:31 PM CDTTornado WarningBMXMarshall59 min
Apr 28, 6:44 PM CDTSevere Thunderstorm WarningBMXCalhoun66 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning 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.