Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 242, NWS Mobile, AL

October 25, 1997Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 25, 1997, 3:27 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 63 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: Oct 25, 1997, 3:27 PM CDT (20:27 UTC)
Expired: Oct 25, 1997, 4:30 PM CDT
In force: 63 min
Issued by: NWS Mobile, AL
Area: Whole counties

Counties Butler County, AL, Crenshaw 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
Oct 25, 1:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 162 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: 1546 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 252029 RRA
SVRMOB
ALC013-041-252130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
327 PM CDT SAT OCT 25 1997
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...BUTLER COUNTY...CRENSHAW COUNTY
 
AT 326 PM CDT...NWS DOPPLER WEATHER RADAR IN MOBILE INDICATED A CLUSTER
OF SEVERE THUNDERSTORMS OVER BOTH SOUTHERN BUTLER AND CRENSHAW COUNTIES.
THESE STORMS WERE MOVING EAST-NORTHEAST AT 25 MPH AND WILL CONTINUE TO
AFFECT THE SOUTHERN AND CENTRAL PORTIONS OF THESE COUNTIES.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 25, 9:19 AM CDT	Severe Thunderstorm Warning	MOB	Clarke	56 min
Oct 25, 11:42 AM CDT	Severe Thunderstorm Warning	MOB	Wilcox	63 min
Oct 25, 1:20 PM CDT	Tornado Warning	MOB	Butler	40 min
Oct 25, 1:29 PM CDT	Tornado Warning	MOB	Crenshaw	61 min
Oct 25, 3:38 PM CDT	Tornado Warning	MOB	Choctaw	67 min
Oct 25, 4:30 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	60 min
Oct 25, 5:19 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	56 min
Oct 25, 5:36 PM CDT	Tornado Warning	MOB	Mobile	69 min
Oct 25, 6:24 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	51 min
Oct 25, 6:27 PM CDT	Tornado Warning	MOB	Baldwin	63 min
Oct 25, 6:39 PM CDT	Tornado Warning	MOB	Mobile	36 min
Oct 25, 6:50 PM CDT	Severe Thunderstorm Warning	MOB	Butler	40 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.