Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 406, NWS Birmingham, AL

June 4, 1998Shelby County, Talladega County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 4, 1998, 6:58 PM CDT for Shelby County, Talladega County, Alabama. It was in force for 32 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 4, 1998, 6:58 PM CDT (23:58 UTC)
Expired: Jun 4, 1998, 7:30 PM CDT
In force: 32 min
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Shelby County, AL, Talladega County, AL

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 4, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 12.0 hours before the alert went out and 38 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: 1942 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 615 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 4, 6:08 PM CDT, 50 minutes before

ALZ001>010-014-016>018-020-042340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
608 PM CDT THU JUN 4 1998

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES...

IN ALABAMA

   ...LAUDERDALE... COLBERT... FRANKLIN... LAWRENCE... LIMESTONE
   ...MADISON... MORGAN... MARSHALL... JACKSON... DEKALB... WINSTON
   ...CULLMAN... BLOUNT... ETOWAH... CHEROKEE

Special weather statement, Jun 4, 6:08 PM CDT, 50 minutes before

ALZ001>010-014-016>018-020-042340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
608 PM CDT THU JUN 4 1998

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES...

IN ALABAMA

   ...LAUDERDALE... COLBERT... FRANKLIN... LAWRENCE... LIMESTONE
   ...MADISON... MORGAN... MARSHALL... JACKSON... DEKALB... WINSTON
   ...CULLMAN... BLOUNT... ETOWAH... CHEROKEE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 12:40 PM CDT	Severe Thunderstorm Warning	BMX	Cullman	35 min
Jun 4, 12:48 PM CDT	Severe Thunderstorm Warning	BMX	Blount	47 min
Jun 4, 1:03 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	47 min
Jun 4, 1:11 PM CDT	Severe Thunderstorm Warning	BMX	Lauderdale	34 min
Jun 4, 1:21 PM CDT	Severe Thunderstorm Warning	BMX	Madison	49 min
Jun 4, 1:32 PM CDT	Severe Thunderstorm Warning	BMX	Blount	33 min
Jun 4, 1:37 PM CDT	Severe Thunderstorm Warning	BMX	Cullman	48 min
Jun 4, 1:48 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	47 min
Jun 4, 1:52 PM CDT	Flash Flood Warning	BMX	Cullman	3 hr
Jun 4, 2:21 PM CDT	Flash Flood Warning	BMX	Franklin	2 hr
Jun 4, 2:24 PM CDT	Severe Thunderstorm Warning	BMX	Blount	66 min
Jun 4, 2:29 PM CDT	Flash Flood Warning	BMX	Blount, Cherokee, Etowah	3 hr
Jun 4, 2:53 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	47 min
Jun 4, 3:47 PM CDT	Flash Flood Warning	BMX	Cullman, Winston	2 hr
Jun 4, 4:39 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	46 min
Jun 4, 6:26 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	34 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1998 Every severe thunderstorm warning in 1998

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.