Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 85, NWS Birmingham, AL

March 19, 1998Colbert County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 19, 1998, 8:02 PM CST for Colbert County, Alabama. It was in force for 33 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
Mar 19, 1998, 8:02 PM CST (02:02 UTC)
Expired
Mar 19, 1998, 8:35 PM CST
In force
33 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Colbert County, AL

The radar

The Columbus AFB radar (KGWX), 101 km from the middle of the area, began a volume at 02:02 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.

IssuedProductOfficeLasted
Mar 19, 3:00 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.0 hours before the alert went out and 193 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, Nashville Metro, TN at 00:00Z on 1998-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 68 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, Nashville Metro, TN at 00:00Z on 1998-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.19395878Sfc1 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
68 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 200202 RRA
SVRBHM
ALC033-200235-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
802 PM CST THU MAR 19 1998


THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 835 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN ALABAMA

   ...EASTERN COLBERT COUNTY...

AT 800 PM CST... WEATHER RADAR AND STORM SPOTTER REPORTS A SEVERE
THUNDERSTORM PRODUCING DAMAGING WINDS AND LARGE HAIL MOVING INTO
SOUTHEAST COLBERT COUNTY BETWEEN LITTLEVILLE AND OLD BETHEL.  MOVEMENT
WAS NORTHEAST AT 50 MPH.


<<CALL TO ACTION>>
THIS THUNDERSTORM MAY PRODUCE WEAK... SHORT LIVED TORNADOES ALONG
ITS LEADING EDGE. HOWEVER... THE PRIMARY THREAT POSED BY THIS
THUNDERSTORM IS PARTICULARLY DAMAGING WINDS. QUICKLY SEEK SAFETY
IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. DO NOT REMAIN
OUTDOORS. TRUCKS AND OTHER HIGH-PROFILE VEHICLES ARE ESPECIALLY
SUSCEPTIB&LE TO STRONG WINDS AND MAY BE BLOWN OFF THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 6:21 PM CSTSevere Thunderstorm WarningBMXFranklin49 min
Mar 19, 7:06 PM CSTSevere Thunderstorm WarningBMXLamar, Marion49 min
Mar 19, 7:18 PM CSTSevere Thunderstorm WarningBMXFranklin42 min
Mar 19, 7:48 PM CSTSevere Thunderstorm WarningBMXLawrence, Winston47 min
Mar 19, 7:56 PM CSTSevere Thunderstorm WarningBMXFranklin19 min
Mar 19, 8:14 PM CSTSevere Thunderstorm WarningBMXLamar51 min
Mar 19, 8:24 PM CSTSevere Thunderstorm WarningBMXLauderdale, Limestone, Morgan46 min
Mar 19, 8:32 PM CSTSevere Thunderstorm WarningBMXPickens48 min
Mar 19, 8:41 PM CSTSevere Thunderstorm WarningBMXFayette, Marion59 min
Mar 19, 8:42 PM CSTSevere Thunderstorm WarningBMXSumter48 min
Mar 19, 8:53 PM CSTSevere Thunderstorm WarningBMXMadison47 min
Mar 19, 9:04 PM CSTSevere Thunderstorm WarningBMXCullman, Winston46 min
Mar 19, 9:08 PM CSTSevere Thunderstorm WarningBMXWalker42 min
Mar 19, 9:17 PM CSTSevere Thunderstorm WarningBMXPickens48 min
Mar 19, 9:45 PM CSTSevere Thunderstorm WarningBMXCullman45 min
Mar 19, 9:56 PM CSTSevere Thunderstorm WarningBMXTuscaloosa49 min
Mar 19, 9:58 PM CSTSevere Thunderstorm WarningBMXMorgan47 min
Mar 19, 10:14 PM CSTSevere Thunderstorm WarningBMXMadison, Marshall46 min
Mar 19, 10:15 PM CSTSevere Thunderstorm WarningBMXWalker35 min
Mar 19, 10:22 PM CSTSevere Thunderstorm WarningBMXBlount48 min
Mar 19, 10:22 PM CSTSevere Thunderstorm WarningBMXJefferson63 min
Mar 19, 10:30 PM CSTSevere Thunderstorm WarningBMXHale45 min
Mar 19, 10:33 PM CSTSevere Thunderstorm WarningBMXJackson62 min
Mar 19, 10:38 PM CSTSevere Thunderstorm WarningBMXCullman22 min
Mar 19, 10:42 PM CSTSevere Thunderstorm WarningBMXTuscaloosa33 min
Mar 19, 10:45 PM CSTSevere Thunderstorm WarningBMXBibb, Perry65 min
Mar 19, 11:01 PM CSTSevere Thunderstorm WarningBMXMarshall49 min
Mar 19, 11:12 PM CSTSevere Thunderstorm WarningBMXEtowah, St. Clair58 min
Mar 19, 11:12 PM CSTSevere Thunderstorm WarningBMXShelby58 min
Mar 19, 11:25 PM CSTSevere Thunderstorm WarningBMXJefferson35 min
Mar 19, 11:27 PM CSTSevere Thunderstorm WarningBMXDeKalb63 min
Mar 19, 11:33 PM CSTSevere Thunderstorm WarningBMXJackson32 min
Mar 19, 11:39 PM CSTSevere Thunderstorm WarningBMXChilton, Dallas61 min
Mar 19, 11:55 PM CSTSevere Thunderstorm WarningBMXCalhoun, Cherokee60 min
Mar 19, 11:55 PM CSTSevere Thunderstorm WarningBMXTalladega60 min
Mar 20, 12:08 AM CSTSevere Thunderstorm WarningBMXEtowah, St. Clair32 min
Mar 20, 12:08 AM CSTSevere Thunderstorm WarningBMXShelby32 min
Mar 20, 12:16 AM CSTSevere Thunderstorm WarningBMXAutauga, Lowndes79 min
Mar 20, 12:16 AM CSTSevere Thunderstorm WarningBMXCoosa79 min
Mar 20, 12:28 AM CSTSevere Thunderstorm WarningBMXDeKalb47 min
Mar 20, 12:35 AM CSTTornado WarningBMXLowndes60 min
Mar 20, 12:39 AM CSTSevere Thunderstorm WarningBMXClay61 min
Mar 20, 12:47 AM CSTTornado WarningBMXElmore, Montgomery63 min
Mar 20, 12:56 AM CSTSevere Thunderstorm WarningBMXCleburne64 min
Mar 20, 12:56 AM CSTSevere Thunderstorm WarningBMXTallapoosa64 min
Mar 20, 1:22 AM CSTSevere Thunderstorm WarningBMXRandolph63 min
Mar 20, 1:38 AM CSTSevere Thunderstorm WarningBMXMacon62 min
Mar 20, 1:54 AM CSTSevere Thunderstorm WarningBMXChambers, Lee61 min
Mar 20, 2:55 AM CSTSevere Thunderstorm WarningBMXLee50 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; radar from the NEXRAD Level II archive.