Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 390, NWS Birmingham, AL

June 17, 1997Talladega County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 17, 1997, 1:33 PM CDT for Talladega County, Alabama. It was in force for 47 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: Jun 17, 1997, 1:33 PM CDT (18:33 UTC)
Expired: Jun 17, 1997, 2:20 PM CDT
In force: 47 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Talladega County, AL

The radar

The Birmingham radar (KBMX), 61 km from the middle of the area, began a volume at 18:33 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 17, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.6 hours before the alert went out and 61 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: 2751 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 508 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 171833 RRA
SVRBHM
ALC121-171920-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
133 PM CDT TUE JUN 17 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 220 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ALABAMA

   ...TALLADEGA COUNTY
 
AT 133 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM
PRODUCING DAMAGING WINDS 10 MILES SOUTHWEST OF LINCOLN MOVING EAST
AT 30 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
LINCOLN                     AROUND 149 PM CDT
TALLADEGA                   AROUND 150 PM CDT
EASTABOGA                   AROUND 200 PM CDT
IRONATON                    AROUND 206 PM CDT
MUNFORD                     AROUND 209 PM CDT
 
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.

Issued	Product	Office	Counties	Lasted
Jun 16, 7:02 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes	48 min
Jun 16, 7:23 PM CDT	Tornado Warning	BMX	Tallapoosa	32 min
Jun 16, 7:55 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	50 min
Jun 16, 7:57 PM CDT	Tornado Warning	BMX	Tallapoosa	48 min
Jun 16, 8:19 PM CDT	Severe Thunderstorm Warning	BMX	Lee	46 min
Jun 16, 8:22 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	33 min
Jun 16, 8:25 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	35 min
Jun 17, 5:24 AM CDT	Severe Thunderstorm Warning	BMX	Colbert, Lauderdale	66 min
Jun 17, 5:24 AM CDT	Severe Thunderstorm Warning	BMX	Franklin	66 min
Jun 17, 12:29 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	46 min
Jun 17, 12:54 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	31 min
Jun 17, 1:09 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	51 min
Jun 17, 1:16 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	49 min
Jun 17, 1:28 PM CDT	Tornado Warning	BMX	St. Clair	32 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.