Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 415, NWS Birmingham, AL

July 8, 1997Hale County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 8, 1997, 7:09 PM CDT for Hale County, Alabama. It was in force for 51 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: Jul 8, 1997, 7:09 PM CDT (00:09 UTC)
Expired: Jul 8, 1997, 8:00 PM CDT
In force: 51 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Hale County, AL

The radar

The Birmingham radar (KBMX), 92 km from the middle of the area, began a volume at 00:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.2 hours before the alert went out and 92 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: 1985 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 968 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 090010 RRA
SVRBHM
ALC065-090100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
709 PM CDT TUE JUL 8 1997
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ALABAMA
 
   ...HALE COUNTY
 
AT 706 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR STEWART IN NORTHERN
HALE COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 15 TO 20 MPH.
 
 
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
Jul 9, 2:44 PM CDT	Severe Thunderstorm Warning	BMX	Walker	46 min
Jul 9, 3:30 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa	45 min
Jul 9, 4:08 PM CDT	Severe Thunderstorm Warning	BMX	Winston	37 min
Jul 9, 4:16 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	44 min
Jul 9, 4:32 PM CDT	Severe Thunderstorm Warning	BMX	Walker	58 min
Jul 9, 5:25 PM CDT	Severe Thunderstorm Warning	BMX	Bibb	50 min
Jul 9, 5:31 PM CDT	Severe Thunderstorm Warning	BMX	Fayette	44 min
Jul 9, 6:07 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	48 min
Jul 9, 6:58 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.