Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 84, NWS Mobile, AL

March 8, 1998Okaloosa County, Florida; Covington County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 8, 1998, 2:47 PM CST for Okaloosa County, Florida; Covington County, Escambia 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
Mar 8, 1998, 2:47 PM CST (20:47 UTC)
Expired
Mar 8, 1998, 3:50 PM CST
In force
63 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Covington County, AL, Escambia County, AL, Okaloosa County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 8, 10:00 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.8 hours before the alert went out and 241 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, Birmingham, AL at 12:00Z on 1998-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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, Birmingham, AL at 12:00Z on 1998-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 409 square meters per square second.1939587897117Sfc1 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
93 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
537 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
409 m²/s²
0-3 km storm-relative helicity
343 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

524 
WUUS1 KMOB 082049 RRA
SVRMOB
ALC035-039-053-FLC091-082150-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
247 PM CST SUN MAR 8 1998


THE NATIONAL WEATHER SERVICE IN MOBILE AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 350 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHERN ALABAMA

   ...COVINGTON COUNTY

IN SOUTHWESTERN ALABAMA

   ...ESCAMBIA COUNTY
   ...CONECUH COUNTY

IN NORTHWESTERN FLORIDA

   ...OKALOOSA COUNTY


AT 246 PM CST... DOPPLER RADAR AT MOBILE INDICATED A LINE OF SEVERE
THUNDERSTORMS FROM MONROEVILLE,AL TO BREWTON,AL TO MILTON,FL.
ADDITIONAL SEVERE STORMS WERE AHEAD OF THE THUNDERSTORM LINE.

ALL STORMS WERE MOVING NORTHEAST AT 35 MPH...WHILE THE LINE WAS MOVING
EAST AT 20 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 3:50 AM CSTFlash Flood WarningMOBEscambia2 hr
Mar 8, 4:32 AM CSTSevere Thunderstorm WarningMOBEscambia33 min
Mar 8, 4:44 AM CSTSevere Thunderstorm WarningMOBSanta Rosa36 min
Mar 8, 5:58 AM CSTFlash Flood WarningMOBEscambia4 hr
Mar 8, 10:14 AM CSTFlash Flood WarningMOBOkaloosa, Santa Rosa5 hr
Mar 8, 10:14 AM CSTFlash Flood WarningMOBEscambia5 hr
Mar 8, 2:08 PM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa62 min
Mar 8, 3:30 PM CSTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Mar 8, 3:30 PM CSTFlash Flood WarningMOBOkaloosa6 hr
Mar 7, 11:14 PM CSTFlash Flood WarningMOBMobile116 min
Mar 8, 12:19 AM CSTFlash Flood WarningMOBBaldwin2 hr
Mar 8, 12:46 AM CSTSevere Thunderstorm WarningMOBConecuh64 min
Mar 8, 12:59 AM CSTFlash Flood WarningMOBMobile3 hr
Mar 8, 1:08 AM CSTFlash Flood WarningMOBConecuh, Escambia2 hr
Mar 8, 1:33 AM CSTFlash Flood WarningMOBCovington117 min
Mar 8, 2:18 AM CSTFlash Flood WarningMOBBaldwin, Escambia, Mobile4 hr
Mar 8, 2:18 AM CSTFlash Flood WarningMOBConecuh, Covington4 hr
Mar 8, 3:57 AM CSTSevere Thunderstorm WarningMOBCovington63 min
Mar 8, 4:27 AM CSTFlash Flood WarningMOBConecuh2 hr
Mar 8, 5:38 AM CSTFlash Flood WarningMOBCrenshaw4 hr
Mar 8, 5:58 AM CSTFlash Flood WarningMOBMobile4 hr
Mar 8, 10:09 AM CSTSevere Thunderstorm WarningMOBButler61 min
Mar 8, 10:14 AM CSTFlash Flood WarningMOBButler, Conecuh5 hr
Mar 8, 10:14 AM CSTFlash Flood WarningMOBMobile5 hr
Mar 8, 10:14 AM CSTFlash Flood WarningMOBCrenshaw5 hr
Mar 8, 1:48 PM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia62 min
Mar 8, 2:08 PM CSTSevere Thunderstorm WarningMOBBaldwin62 min
Mar 8, 2:20 PM CSTTornado WarningMOBButler50 min
Mar 8, 2:47 PM CSTSevere Thunderstorm WarningMOBConecuh63 min
Mar 8, 3:18 PM CSTSevere Thunderstorm WarningMOBButler62 min
Mar 8, 3:30 PM CSTFlash Flood WarningMOBButler, Conecuh, Covington6 hr
Mar 8, 3:30 PM CSTFlash Flood WarningMOBCrenshaw6 hr
Mar 8, 3:30 PM CSTFlash Flood WarningMOBMobile6 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 1998Severe Thunderstorm Warnings in Florida, 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.