Alert archive / Alabama / Tornado Warnings in 1999

Tornado Warning 34, NWS Mobile, AL

April 15, 1999Wilcox County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 15, 1999, 2:07 AM CDT for Wilcox County, Alabama. It was in force for 68 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
Apr 15, 1999, 2:07 AM CDT (07:07 UTC)
Expired
Apr 15, 1999, 3:15 AM CDT
In force
68 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Wilcox County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 15, 12:00 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.1 hours before the alert went out and 141 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 00:00Z on 1999-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 1999-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2269 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 150707 RRA
TORMOB
ALC131-150815-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
207 AM CDT THU APR 15 1999

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WILCOX COUNTY IN SOUTHWESTERN ALABAMA

* UNTIL 315 AM CDT

* AT 205 AM CDT... AS INDICATED BY DOPPLER RADAR A TORNADO WAS LOCATED
  26 MILES WEST OF CAMDEN OR 6 MILES WEST OF SUNNY SOUTH... MOVING
  EAST AT 45 MPH.

* TORNADO WILL PASS NEAR-
  SUNNY SOUTH BY 210 AM CDT
  ARLINGTON BY 215 AM CDT
  KIMBROUGH BY 215 AM CDT
  PRAIRIE BY 230 AM CDT
  MILLERS FERRY BY 235 AM CDT

IF YOU ARE IN THE PATH OF A TORNADO...SEEK SAFETY IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST fFLOOR. 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 15, 12:09 AM CDTSevere Thunderstorm WarningMOBChoctaw66 min
Apr 15, 12:22 AM CDTTornado WarningMOBChoctaw68 min
Apr 15, 1:19 AM CDTTornado WarningMOBClarke71 min
Apr 15, 1:42 AM CDTSevere Thunderstorm WarningMOBWashington78 min
Apr 15, 2:27 AM CDTSevere Thunderstorm WarningMOBClarke78 min
Apr 15, 2:47 AM CDTSevere Thunderstorm WarningMOBMonroe73 min
Apr 15, 3:15 AM CDTSevere Thunderstorm WarningMOBWilcox60 min
Apr 15, 3:28 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh62 min
Apr 15, 4:47 AM CDTSevere Thunderstorm WarningMOBButler, Crenshaw58 min

Nearby

Tornado Warnings in Alabama, 1999Every tornado warning in 1999Tornadoes in 1999

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.