Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 351, NWS Birmingham, AL

June 13, 1997Lauderdale County, Limestone County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 13, 1997, 3:13 PM CDT for Lauderdale County, Limestone County, Alabama. It was in force for 62 min. 3 reports 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: Jun 13, 1997, 3:13 PM CDT (20:13 UTC)
Expired: Jun 13, 1997, 4:15 PM CDT
In force: 62 min
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Lauderdale County, AL, Limestone County, AL

What was reported inside it

Time	Report	Where
Jun 13, 3:17 PM CDT	Thunderstorm Wind 50	Ripley, AL
Jun 13, 3:25 PM CDT	Thunderstorm Wind 50	Tanner, AL
Jun 13, 3:41 PM CDT	Thunderstorm Wind 50	Athens, 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

Nashville Metro, TN (KBNA), launched 12:00Z, 8.2 hours before the alert went out and 156 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: 1392 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 670 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 132012 RRA
SVRHSV
ALC077-083-132115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
313 PM CDT FRI JUN 13 1997
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN NORTH ALABAMA
 
   ...LAUDERDALE COUNTY...LIMESTONE COUNTY
 
AT 312 PM CDT WEATHER SERVICE RADAR IN HUNTSVILLE INDICATED SEVERE
THUNDERSTORMS OVER LAUDERDALE COUNTY NEAR GREEN HILL...AND MOVING INTO
LIMESTONE COUNTY SOUTH OF RIPLEY.
 
MOVEMENT WAS EAST NORTHEAST AROUND 30 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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 2:35 PM CDT	Severe Thunderstorm Warning	BMX	Franklin	55 min
Jun 13, 2:49 PM CDT	Severe Thunderstorm Warning	BMX	Lawrence	56 min
Jun 13, 3:38 PM CDT	Severe Thunderstorm Warning	BMX	Madison	67 min
Jun 13, 4:39 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	66 min
Jun 13, 4:57 PM CDT	Severe Thunderstorm Warning	BMX	Hale	48 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.