Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 341, NWS Birmingham, AL

May 26, 1997Lauderdale County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 26, 1997, 9:43 PM CDT for Lauderdale County, Alabama. It was in force for 62 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: May 26, 1997, 9:43 PM CDT (02:43 UTC)
Expired: May 26, 1997, 10:45 PM CDT
In force: 62 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Lauderdale County, AL

What was reported inside it

Time	Report	Where	Remark
May 26, 10:25 PM CDT	Hail 0.75	Oakland, AL	Three-quarter inch hail covered the ground.

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

Nashville Metro, TN (KBNA), launched 00:00Z, 2.7 hours before the alert went out and 167 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: 2010 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 270243
SVRHSV
ALC077-270345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
943 PM CDT MON MAY 26 1997
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH ALABAMA
 
   ...LAUDERDALE COUNTY
 
AT 940 PM CDT WEATHER SERVICE RADAR IN HUNTSVILLE INDICATED A SEVERE
THUNDERSTORM IN HARDIN COUNTY TENNESSEE AND WILL MOVE INTO NORTHWESTERN
LAUDERDALE COUNTY BY 950 PM CDT.
 
THIS STORM IS MOVING SOUTHEAST AT 35 TO 40 MILES PER HOUR.
 
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCES\S OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 10:18 PM CDT	Severe Thunderstorm Warning	BMX	Colbert	42 min
May 26, 10:53 PM CDT	Tornado Warning	BMX	Colbert, Franklin	67 min
May 26, 11:01 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	49 min
May 26, 11:15 PM CDT	Severe Thunderstorm Warning	BMX	Lawrence	60 min
May 26, 11:39 PM CDT	Tornado Warning	BMX	Winston	36 min
May 27, 12:04 AM CDT	Severe Thunderstorm Warning	BMX	Cullman	61 min
May 27, 12:19 AM CDT	Severe Thunderstorm Warning	BMX	Winston	36 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1997 Every 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.