Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 322, NWS Birmingham, AL

May 9, 1997Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 9, 1997, 8:27 AM CDT for Pickens County, Alabama. It was in force for 58 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
May 9, 1997, 8:27 AM CDT (13:27 UTC)
Expired
May 9, 1997, 9:25 AM CDT
In force
58 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Pickens County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 1.5 hours before the alert went out and 122 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 12:00Z on 1997-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 846 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 12:00Z on 1997-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
846 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 091327 RRA
SVRBHM
ALC107-091425-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
827 AM CDT FRI MAY 9 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 925 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL ALABAMA

   ...PICKENS COUNTY
 
AT 826 AM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO
WESTERN PICKENS COUNTY. THE STORM WAS MOVING EAST AT 30 MPH AND WILL
MOVE ACROSS ETHELSVILLE BY 835 AM...CARROLTON BY 845 AM...AND
ALICEVILLE BY 900 AM.  THIS STORM HAS A HISTORY OF PRODUCING WIND
DAMAGE IN MISSISSIPPI DURING THE PAST FEW HOURS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 8:54 AM CDTSevere Thunderstorm WarningBMXFayette46 min
May 9, 9:00 AM CDTSevere Thunderstorm WarningBMXTuscaloosa60 min
May 9, 9:07 AM CDTSevere Thunderstorm WarningBMXWalker48 min
May 9, 9:29 AM CDTSevere Thunderstorm WarningBMXJefferson46 min
May 9, 10:17 AM CDTSevere Thunderstorm WarningBMXJefferson23 min
May 9, 10:52 AM CDTSevere Thunderstorm WarningBMXTalladega48 min
May 9, 2:12 PM CDTSevere Thunderstorm WarningBMXCoosa48 min
May 9, 2:52 PM CDTSevere Thunderstorm WarningBMXLee48 min
May 9, 3:39 PM CDTSevere Thunderstorm WarningBMXLee46 min
May 9, 4:08 PM CDTSevere Thunderstorm WarningBMXRussell62 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.