Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 101, NWS Mobile, AL

July 16, 2004Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 16, 2004, 1:19 PM CDT for Washington County, Alabama. It was in force for 26 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
Jul 16, 2004, 1:19 PM CDT (18:19 UTC)
Expired
Jul 16, 2004, 1:45 PM CDT
In force
26 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Washington County, AL

The radar

The Mobile radar (KMOB), 87 km from the middle of the area, began a volume at 18:23 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 nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 6.3 hours before the alert went out and 182 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 2004-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1409 joules per kilogram.LCLLFCEL10008507005003002001001 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, Eglin AFB/Valpar, FL at 12:00Z on 2004-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
1409 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 161819
SVRMOB
ALC129-161845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
118 PM CDT FRI JUL 16 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA

* UNTIL 145 PM CDT

* AT 113 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60
  MPH.  THIS STORM WAS LOCATED NEAR CHATOM...OR ABOUT OVER           
  CHATOM...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WAGARVILLE AND CORTELYOU BY 130 PM CDT
  PRESTWICK AND LEROY BY 135 PM CDT
  CARSON BY 140 PM CDT

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

LAT...LON 3155 8800 3153 8794 3148 8791 3143 8793
      3140 8791 3128 8796 3127 8802 3131 8839
      3151 8837 3159 8803

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 7:07 PM CDTSevere Thunderstorm WarningMOBCovington38 min
Jul 15, 7:11 PM CDTSevere Thunderstorm WarningMOBCovington34 min
Jul 15, 7:22 PM CDTFlash Flood WarningMOBMonroe53 min
Jul 15, 7:29 PM CDTSevere Thunderstorm WarningMOBCrenshaw31 min
Jul 15, 7:45 PM CDTSevere Thunderstorm WarningMOBCovington45 min
Jul 15, 8:00 PM CDTSevere Thunderstorm WarningMOBWilcox30 min
Jul 15, 9:56 PM CDTSpecial Marine WarningMOB79 min
Jul 15, 10:55 PM CDTSpecial Marine WarningMOB110 min
Jul 15, 11:42 PM CDTSpecial Marine WarningMOB2 hr
Jul 16, 2:23 AM CDTSpecial Marine WarningMOB37 min
Jul 16, 2:50 AM CDTSpecial Marine WarningMOB40 min
Jul 16, 2:50 AM CDTSpecial Marine WarningMOB40 min
Jul 16, 3:30 AM CDTSpecial Marine WarningMOB45 min
Jul 16, 3:30 AM CDTSpecial Marine WarningMOB45 min
Jul 16, 2:26 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox64 min
Jul 16, 2:54 PM CDTSevere Thunderstorm WarningMOBConecuh51 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; radar from the NEXRAD Level II archive.