Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 190, NWS Birmingham, AL

March 28, 1997Lawrence County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 28, 1997, 10:32 PM CST for Lawrence County, Alabama. It was in force for 58 min. 1 report 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
Mar 28, 1997, 10:32 PM CST (04:32 UTC)
Expired
Mar 28, 1997, 11:30 PM CST
In force
58 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lawrence County, AL

What was reported inside it

TimeReportWhereRemark
Mar 28, 10:45 PM CSTHail 0.88Moulton, 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.5 hours before the alert went out and 157 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 1997-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1329 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 00:00Z on 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
1329 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
0.8
Supercell composite
8.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 290433 RRA
SVRHSV
ALC079-290530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1032 PM CST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH ALABAMA
 
   ...LAWRENCE COUNTY
 
AT 1031 PM CST WEATHER SERVICE RADAR IN HUNTSVILLE INDICATED A SEVERE
THUNDERSTORM NEAR MOUNT HOPE IN LAWRENCE COUNTY.
 
THIS STORM WILL LIKELY CONTAIN LARGE HAIL AND DAMAGING WINDS.
 
MOVEMENT WAS EAST NORTHEAST AT 45 MILES AN HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WAR6NED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 8:56 PM CSTSevere Thunderstorm WarningBMXLauderdale64 min
Mar 28, 10:47 PM CSTSevere Thunderstorm WarningBMXMorgan58 min
Mar 29, 12:13 AM CSTSevere Thunderstorm WarningBMXCullman32 min
Mar 29, 12:20 AM CSTSevere Thunderstorm WarningBMXWalker50 min
Mar 29, 12:25 AM CSTSevere Thunderstorm WarningBMXBlount65 min
Mar 29, 12:39 AM CSTSevere Thunderstorm WarningBMXDeKalb66 min
Mar 29, 1:04 AM CSTSevere Thunderstorm WarningBMXSt. Clair31 min
Mar 29, 1:10 AM CSTSevere Thunderstorm WarningBMXEtowah65 min
Mar 29, 1:23 AM CSTSevere Thunderstorm WarningBMXCalhoun62 min
Mar 29, 1:30 AM CSTSevere Thunderstorm WarningBMXCherokee35 min
Mar 29, 2:00 AM CSTSevere Thunderstorm WarningBMXSt. Clair20 min
Mar 29, 2:45 AM CSTSevere Thunderstorm WarningBMXCalhoun30 min
Mar 29, 2:51 AM CSTSevere Thunderstorm WarningBMXCleburne64 min
Mar 29, 5:11 PM CSTSevere Thunderstorm WarningBMXRussell49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.