Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 35, NWS Mobile, AL

May 31, 2004Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 31, 2004, 1:25 PM CDT for Covington County, Alabama. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 31, 2004, 1:25 PM CDT (18:25 UTC)
Expired
May 31, 2004, 2:15 PM CDT
In force
50 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Covington County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
May 31, 10:00 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.4 hours before the alert went out and 218 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 2004-05-31Temperature 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 12:00Z on 2004-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -269 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
842 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-269 m²/s²
0-3 km storm-relative helicity
-182 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 
WUUS54 KMOB 311825
SVRMOB
ALC039-311915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
125 PM CDT MON MAY 31 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 215 PM CDT

* AT 122 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR LIBERTYVILLE...OR
  ABOUT 8 MILES SOUTHEAST OF ANDALUSIA...AND MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BABBIE BY 135 PM CDT
  GREEN BAY BY 140 PM CDT
  ONYCHA BY 145 PM CDT
  OPP BY 150 PM CDT

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING.
TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED.

LAT...LON 3130 8652 3112 8651 3109 8622 3140 8626

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:07 AM CDTSevere Thunderstorm WarningMOBChoctaw23 min
May 31, 12:00 PM CDTSevere Thunderstorm WarningMOBMobile, Washington60 min
May 31, 12:30 PM CDTSpecial Marine WarningMOB2 hr
May 31, 12:30 PM CDTSpecial Marine WarningMOB2 hr
May 31, 1:46 PM CDTTornado WarningMOBCovington14 min
May 31, 3:35 PM CDTSevere Thunderstorm WarningMOBMobile40 min
May 31, 3:51 PM CDTSpecial Marine WarningMOB54 min
May 31, 3:51 PM CDTSpecial Marine WarningMOB54 min
May 31, 4:32 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile28 min
May 31, 4:43 PM CDTSpecial Marine WarningMOB62 min
May 31, 4:43 PM CDTSpecial Marine WarningMOB62 min
May 31, 5:02 PM CDTSevere Thunderstorm WarningMOBBaldwin28 min
May 31, 5:31 PM CDTSevere Thunderstorm WarningMOBBaldwin29 min
May 31, 5:45 PM CDTSpecial Marine WarningMOB60 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2004Every severe thunderstorm warning in 2004

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.