Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 162, NWS Birmingham, AL

April 8, 1998Lee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 8, 1998, 12:07 PM CDT for Lee County, Alabama. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 8, 1998, 12:07 PM CDT (17:07 UTC)
Expired
Apr 8, 1998, 12:55 PM CDT
In force
48 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 41 km from the middle of the area, began a volume at 17:10 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.

What was reported inside it

TimeReportWhereRemark
Apr 8, 12:10 PM CDTHail 0.75Opelika, ALDime size hail was reported in Opelika.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 8, 10:30 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.1 hours before the alert went out and 117 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 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 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 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.1939587897117136Sfc1 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
348 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

069 
WUUS1 KBHM 081708 RRA
SVRBHM
ALC081-081755-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1207 PM CDT WED APR 8 1998


THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1255 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL ALABAMA

   ...LEE COUNTY...

AT 1206 PM CDT... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM JUST WEST
OF AUBURN MOVING NORTHEAST AT 30 MPH.  DIME SIZE HAIL WAS REPORTED
WITH THIS STORM.  OTHER STRONG TO SEVERE STORMS WERE OVER SOUTHERN
LEE COUNTY.




<<CALL TO ACTION>>
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.

&

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, Apr 8, 6:30 AM CDT, 5 hours 37 minutes before
ALZ001>069-GAZ089-090-102-120-082135-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
630 AM CDT WED APR 8 1998

...INGREDIENTS COMING TOGETHER FOR AN EXTENDED SEVERE
   THUNDERSTORM EPISODE OVER MOST OF ALABAMA AND WEST CENTRAL
   GEORGIA TODAY AND TONIGHT...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED MOST OF
NORTHERN ALABAMA UNDER A HIGH RISK FOR SEVERE THUNDERSTORMS FOR
TODAY AND TONIGHT.  MUCH OF THE CENTRAL AND INTERIOR SOUTHWEST
SECTIONS OF ALABAMA...AS WELL AS WEST CENTRAL GEORGIA...ARE UNDER A
MODERATE RISK FOR SEVERE THUNDERSTORMS.

A COLD FRONT WILL SLOWLY APPROACH ALABAMA FROM THE WEST
TODAY...MOVING INTO AND ACROSS THE STATE OVERNIGHT.  IN ADVANCE OF
THIS FRONT...THE AIRMASS OVER ALABAMA WILL BECOME INCREASINGLY
UNSTABLE BY AFTERNOON AS ABUNDANT LOW LEVEL MOISTURE IS PUMPED
NORTHWARD OUT OF THE GULF.  IN THE UPPER LEVELS OF THE
ATMOSPHERE...A STRONG UPPER LEVEL DISTURBANCE WILL ALSO APPROACH THE
SOUTHEAST U.S. BY TONIGHT.

SCATTERED THUNDERSTORMS HAVE ALREADY DEVELOPED OVER EXTREME
NORTHWEST AND SOUTHEAST ALABAMA DURING THE PRE DAWN HOURS.  THESE
STORMS ARE EXPECTED TO WEAKEN LATER THIS MORNING...AND ARE UNLIKELY
TO PRODUCE SEVERE WEATHER.

HOWEVER...ADDITIONAL STRONG THUNDERSTORMS ARE ALREADY DEVELOPING
ALONG THE COLD FRONT OVER EASTERN TEXAS THIS MORNING...AND ARE
EXPECTED TO MOVE RAPIDLY TOWARD ALABAMA TODAY.  OTHER SCATTERED
STORMS MAY ALSO DEVELOP OVER THE AREA EARLY THIS AFTERNOON...WELL
AHEAD OF THE COLD FRONT.  MOST OF THE THUNDERSTORMS THIS AFTERNOON
SHOULD REMAIN WEST OF A HUNTSVILLE TO BIRMINGHAM TO DEMOPOLIS LINE.
THE STORMS SHOULD SPREAD EASTWARD AND SOUTHWARD DURING THE LATE
AFTERNOON AND EVENING HOURS...AFFECTING CENTRAL AND EASTERN ALABAMA
BEFORE MIDNIGHT.  STRONG TO SEVERE THUNDERSTORMS ARE ALSO POSSIBLE
IN WEST CENTRAL GEORGIA...ESPECIALLY DURING THE LATE EVENING AND
OVERNIGHT HOURS TONIGHT.

THE DEGREE OF INSTABILITY EXPECTED TO BE PRESENT THIS
AFTERNOON...COUPLED WITH A FAVORABLE WIND STRUCTURE IN THE
ATMOSPHERE...WILL LIKELY LEAD TO THE DEVELOPMENT OF SUPERCELL
THUNDERSTORMS OVER NORTHERN AND CENTRAL ALABAMA THIS AFTERNOON AND
TONIGHT.  SUPERCELLS OFTEN PRODUCE LARGE HAIL...DAMAGING
WINDS...AND STRONG TORNADOES.

THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION.  PERSONS
THROUGHOUT THE AREA SHOULD REMAIN ALERT...REVIEW THEIR SAFETY RULES...
AND LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL RADIOR OR TV FOR
LATER STATEMENTS...WATCHES OR WARNINGS.
Special weather statement, Apr 8, 6:30 AM CDT, 5 hours 37 minutes before
ALZ001>069-GAZ089-090-102-120-082135-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
630 AM CDT WED APR 8 1998

...INGREDIENTS COMING TOGETHER FOR AN EXTENDED SEVERE
   THUNDERSTORM EPISODE OVER MOST OF ALABAMA AND WEST CENTRAL
   GEORGIA TODAY AND TONIGHT...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED MOST OF
NORTHERN ALABAMA UNDER A HIGH RISK FOR SEVERE THUNDERSTORMS FOR
TODAY AND TONIGHT.  MUCH OF THE CENTRAL AND INTERIOR SOUTHWEST
SECTIONS OF ALABAMA...AS WELL AS WEST CENTRAL GEORGIA...ARE UNDER A
MODERATE RISK FOR SEVERE THUNDERSTORMS.

A COLD FRONT WILL SLOWLY APPROACH ALABAMA FROM THE WEST
TODAY...MOVING INTO AND ACROSS THE STATE OVERNIGHT.  IN ADVANCE OF
THIS FRONT...THE AIRMASS OVER ALABAMA WILL BECOME INCREASINGLY
UNSTABLE BY AFTERNOON AS ABUNDANT LOW LEVEL MOISTURE IS PUMPED
NORTHWARD OUT OF THE GULF.  IN THE UPPER LEVELS OF THE
ATMOSPHERE...A STRONG UPPER LEVEL DISTURBANCE WILL ALSO APPROACH THE
SOUTHEAST U.S. BY TONIGHT.

SCATTERED THUNDERSTORMS HAVE ALREADY DEVELOPED OVER EXTREME
NORTHWEST AND SOUTHEAST ALABAMA DURING THE PRE DAWN HOURS.  THESE
STORMS ARE EXPECTED TO WEAKEN LATER THIS MORNING...AND ARE UNLIKELY
TO PRODUCE SEVERE WEATHER.

HOWEVER...ADDITIONAL STRONG THUNDERSTORMS ARE ALREADY DEVELOPING
ALONG THE COLD FRONT OVER EASTERN TEXAS THIS MORNING...AND ARE
EXPECTED TO MOVE RAPIDLY TOWARD ALABAMA TODAY.  OTHER SCATTERED
STORMS MAY ALSO DEVELOP OVER THE AREA EARLY THIS AFTERNOON...WELL
AHEAD OF THE COLD FRONT.  MOST OF THE THUNDERSTORMS THIS AFTERNOON
SHOULD REMAIN WEST OF A HUNTSVILLE TO BIRMINGHAM TO DEMOPOLIS LINE.
THE STORMS SHOULD SPREAD EASTWARD AND SOUTHWARD DURING THE LATE
AFTERNOON AND EVENING HOURS...AFFECTING CENTRAL AND EASTERN ALABAMA
BEFORE MIDNIGHT.  STRONG TO SEVERE THUNDERSTORMS ARE ALSO POSSIBLE
IN WEST CENTRAL GEORGIA...ESPECIALLY DURING THE LATE EVENING AND
OVERNIGHT HOURS TONIGHT.

THE DEGREE OF INSTABILITY EXPECTED TO BE PRESENT THIS
AFTERNOON...COUPLED WITH A FAVORABLE WIND STRUCTURE IN THE
ATMOSPHERE...WILL LIKELY LEAD TO THE DEVELOPMENT OF SUPERCELL
THUNDERSTORMS OVER NORTHERN AND CENTRAL ALABAMA THIS AFTERNOON AND
TONIGHT.  SUPERCELLS OFTEN PRODUCE LARGE HAIL...DAMAGING
WINDS...AND STRONG TORNADOES.

THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION.  PERSONS
THROUGHOUT THE AREA SHOULD REMAIN ALERT...REVIEW THEIR SAFETY RULES...
AND LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL RADIOR OR TV FOR
LATER STATEMENTS...WATCHES OR WARNINGS.
Special weather statement, Apr 8, 9:46 AM CDT, 2 hours 21 minutes before
ALZ001>050-GAZ089-090-102-120-090245-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
946 AM CDT WED APR 8 1998

SEVERE THUNDERSTORMS WERE MOVING EASTWARD ACROSS NORTHERN MISSISSIPPI
AND WILL APPROACH THE WESTERN ALABAMA BORDER BEFORE NOON TODAY.
ADDITIONAL STRONG TO SEVERE THUNDERSTORMS WERE OCCURRING ACROSS
SOUTHERN ALABAMA SOUTH OF MONTGOMERY AND WILL CONTINUE TO PRODUCE HAIL
AND HIGH WINDS AS THEY MOVE NORTHEASTWARD FROM THE GULF.

AS THE AFTERNOON APPROACHES...NORTHERN AND CENTRAL ALABAMA WILL BECOME
FAVORABLE FOR SEVERE THUNDERSTORMS AND WATCHES WILL LIKELY BE ISSUED
WITHIN THE NEXT FEW HOURS.  ALSO...SOUTHERN ALABAMA WILL CONTINUE TO
EXPERIENCE THUNDERSTORMS THROUGHOUT THE AFTERNOON AND THESE STORMS WILL
AS WELL HAVE SEVERE POTENTIAL.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR
THE LATEST WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION
THIS AFTERNOON AND THIS EVENING.

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, Apr 8, 9:46 AM CDT, 2 hours 21 minutes before
ALZ001>050-GAZ089-090-102-120-090245-

HAZARDOUS WEATHER OUTLOOK
FOR NORTH/CENTRAL AL AND WEST CENTRAL GA
NATIONAL WEATHER SERVICE BIRMINGHAM AL
946 AM CDT WED APR 8 1998

SEVERE THUNDERSTORMS WERE MOVING EASTWARD ACROSS NORTHERN MISSISSIPPI
AND WILL APPROACH THE WESTERN ALABAMA BORDER BEFORE NOON TODAY.
ADDITIONAL STRONG TO SEVERE THUNDERSTORMS WERE OCCURRING ACROSS
SOUTHERN ALABAMA SOUTH OF MONTGOMERY AND WILL CONTINUE TO PRODUCE HAIL
AND HIGH WINDS AS THEY MOVE NORTHEASTWARD FROM THE GULF.

AS THE AFTERNOON APPROACHES...NORTHERN AND CENTRAL ALABAMA WILL BECOME
FAVORABLE FOR SEVERE THUNDERSTORMS AND WATCHES WILL LIKELY BE ISSUED
WITHIN THE NEXT FEW HOURS.  ALSO...SOUTHERN ALABAMA WILL CONTINUE TO
EXPERIENCE THUNDERSTORMS THROUGHOUT THE AFTERNOON AND THESE STORMS WILL
AS WELL HAVE SEVERE POTENTIAL.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR
THE LATEST WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION
THIS AFTERNOON AND THIS EVENING.

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
Apr 8, 10:09 AM CDTSevere Thunderstorm WarningBMXPike31 min
Apr 8, 10:25 AM CDTSevere Thunderstorm WarningBMXBarbour65 min
Apr 8, 10:47 AM CDTSevere Thunderstorm WarningBMXMontgomery48 min
Apr 8, 11:13 AM CDTTornado WarningBMXBarbour32 min
Apr 8, 11:20 AM CDTSevere Thunderstorm WarningBMXDallas45 min
Apr 8, 12:14 PM CDTSevere Thunderstorm WarningBMXAutauga51 min
Apr 8, 12:20 PM CDTSevere Thunderstorm WarningBMXChambers45 min
Apr 8, 2:20 PM CDTSevere Thunderstorm WarningBMXMontgomery35 min
Apr 8, 3:18 PM CDTSevere Thunderstorm WarningBMXLee47 min
Apr 8, 4:10 PM CDTSevere Thunderstorm WarningBMXCalhoun35 min
Apr 8, 4:23 PM CDTSevere Thunderstorm WarningBMXCherokee47 min
Apr 8, 5:09 PM CDTSevere Thunderstorm WarningBMXAutauga, Elmore51 min
Apr 8, 5:37 PM CDTSevere Thunderstorm WarningBMXCoosa, Tallapoosa48 min
Apr 8, 6:09 PM CDTSevere Thunderstorm WarningBMXWalker, Winston46 min
Apr 8, 6:10 PM CDTTornado WarningBMXTallapoosa35 min
Apr 8, 6:13 PM CDTSevere Thunderstorm WarningBMXChambers47 min
Apr 8, 6:13 PM CDTSevere Thunderstorm WarningBMXTuscaloosa47 min
Apr 8, 6:22 PM CDTTornado WarningBMXChambers48 min
Apr 8, 6:26 PM CDTTornado WarningBMXAutauga49 min
Apr 8, 6:26 PM CDTTornado WarningBMXPickens49 min
Apr 8, 6:28 PM CDTSevere Thunderstorm WarningBMXColbert47 min
Apr 8, 6:31 PM CDTTornado WarningBMXWalker, Winston34 min
Apr 8, 6:33 PM CDTSevere Thunderstorm WarningBMXWalker32 min
Apr 8, 6:38 PM CDTSevere Thunderstorm WarningBMXChilton47 min
Apr 8, 6:45 PM CDTSevere Thunderstorm WarningBMXLauderdale50 min
Apr 8, 6:45 PM CDTTornado WarningBMXElmore50 min
Apr 8, 6:58 PM CDTSevere Thunderstorm WarningBMXCullman47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.