Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 654, NWS Birmingham, AL

October 7, 1998Tallapoosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Oct 7, 1998, 3:41 PM CDT for Tallapoosa County, Alabama. It was in force for 34 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 7, 1998, 3:41 PM CDT (20:41 UTC)
Expired
Oct 7, 1998, 4:15 PM CDT
In force
34 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Tallapoosa County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 133 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 1998-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 1998-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
152 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Oct 7, 9:58 AM CDT, 5 hours 43 minutes before
ALZ001>050-GAZ089-090-102-120-080250-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
958 AM CDT WED OCT 7 1998

A VERY SLOW MOVING COLD FRONT REMAINS WEST OF ALABAMA THIS MORNING. A
SLIGHTLY UNSTABLE AIRMASS DOES EXIST ACROSS ALABAMA AND THIS WILL
ENABLE SHOWERS AND THUNDERSTORMS TO DEVELOP TODAY AND TONIGHT. THESE
STORMS ARE NOT EXPECTED TO BECOME SEVERE.

WITH THE SLOW MOVEMENT OF THIS SYSTEM...SOME LOCATIONS MAY RECEIVE
HEAVY RAINFALL. PARTS OF WEST CENTRAL ALABAMA HAVE ALREADY RECEIVED AN
INCH OR TWO OF RAIN AND ANOTHER INCH OR TWO WILL BE POSSIBLE IN
ISOLATED AREAS. SOME SMALL STREAMS MAY BRIEFLY REACH BANKFULL AND
LOW LYING AREAS MAY SEE SOME MINOR FLOODING.

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL
NOT BE NECESSARY.  THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST
ALABAMA... SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA... LOOK AT
MIASPSTLH.  FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON
THE WORLD WIDE WEB AT
HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
Special weather statement, Oct 7, 9:58 AM CDT, 5 hours 43 minutes before
ALZ001>050-GAZ089-090-102-120-080250-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
958 AM CDT WED OCT 7 1998

A VERY SLOW MOVING COLD FRONT REMAINS WEST OF ALABAMA THIS MORNING. A
SLIGHTLY UNSTABLE AIRMASS DOES EXIST ACROSS ALABAMA AND THIS WILL
ENABLE SHOWERS AND THUNDERSTORMS TO DEVELOP TODAY AND TONIGHT. THESE
STORMS ARE NOT EXPECTED TO BECOME SEVERE.

WITH THE SLOW MOVEMENT OF THIS SYSTEM...SOME LOCATIONS MAY RECEIVE
HEAVY RAINFALL. PARTS OF WEST CENTRAL ALABAMA HAVE ALREADY RECEIVED AN
INCH OR TWO OF RAIN AND ANOTHER INCH OR TWO WILL BE POSSIBLE IN
ISOLATED AREAS. SOME SMALL STREAMS MAY BRIEFLY REACH BANKFULL AND
LOW LYING AREAS MAY SEE SOME MINOR FLOODING.

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL
NOT BE NECESSARY.  THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST
ALABAMA... SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA... LOOK AT
MIASPSTLH.  FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON
THE WORLD WIDE WEB AT
HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 3:23 PM CDTSevere Thunderstorm WarningBMXBarbour, Pike62 min
Oct 7, 5:10 PM CDTSevere Thunderstorm WarningBMXChattahoochee, Muscogee35 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1998Every 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.