Alert archive / Alabama / Tornado Warnings in 1998

Tornado Warning 6, NWS Mobile, AL

April 8, 1998Covington County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 8, 1998, 10:19 AM CDT for Covington County, Alabama. It was in force for 36 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, 10:19 AM CDT (15:19 UTC)
Expired
Apr 8, 1998, 10:55 AM CDT
In force
36 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Covington County, AL

What was reported inside it

TimeReportWhereRemark
Apr 8, 10:20 AM CDTTornado F1Heath, ALA tornado briefly touched down along U S Highway 29 near Heath. A roof was torn off of four rooms at a motel along the highway. The tornado, only on the ground for a short period of time, knocked a couple of trees down and caused minor damage to a mobile hom

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 nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 3.3 hours before the alert went out and 86 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, Eglin AFB/Valpar, FL at 12:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1443 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 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
1443 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
2.1
Supercell composite
7.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 081517 RRA
TORMOB
ALC039-081555-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1019 AM CDT WED APR 8 1998


THE NATIONAL WEATHER SERVICE IN MOBILE AL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1055 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHERN ALABAMA

   ...COVINGTON COUNTY


AT 1019 AM CDT... DOPPLER RADAR AT MOBILE INDICATED A DEVELOPING
TORNADO 6 MILES SOUTHWEST OF ROSE HILL MOVING NORTHEAST AT 30 MPH.

THE FOLLOWING LOCATION IS IN THE PATH OF THIS TORNADO...
  ROSE HILL AT 1030 AM CDT

IF YOU ARE IN THE PATH OF A TORNADO...SEEK SAFETY IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR
CUSHIONS TO COVER YOUR BODY. STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 9:07 AM CDTSevere Thunderstorm WarningMOBMobile63 min
Apr 8, 9:20 AM CDTSevere Thunderstorm WarningMOBBaldwin35 min
Apr 8, 9:56 AM CDTSevere Thunderstorm WarningMOBBaldwin34 min
Apr 8, 10:05 AM CDTSevere Thunderstorm WarningMOBCovington35 min
Apr 8, 10:59 AM CDTSevere Thunderstorm WarningMOBConecuh31 min
Apr 8, 11:10 AM CDTSevere Thunderstorm WarningMOBCovington30 min
Apr 8, 11:38 AM CDTTornado WarningMOBCovington32 min
Apr 8, 12:42 PM CDTSevere Thunderstorm WarningMOBWashington33 min

Nearby

Tornado Warnings in Alabama, 1998Every tornado warning in 1998Tornadoes 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.