Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 99, NWS Mobile, AL

July 15, 2004Wilcox County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 15, 2004, 8:00 PM CDT for Wilcox County, Alabama. It was in force for 30 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 15, 2004, 8:00 PM CDT (01:00 UTC)
Expired: Jul 15, 2004, 8:30 PM CDT
In force: 30 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Wilcox County, AL

The radar

The Birmingham radar (KBMX), 149 km from the middle of the area, began a volume at 01:02 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

Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 894 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1462 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 160100
SVRMOB
ALC131-160130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
800 PM CDT THU JUL 15 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DIME SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  YELLOW BLUFF...OR ABOUT 12 MILES WEST OF CAMDEN...AND MOVING
  SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COAL BLUFF AND SHEPPARD BY 805 PM CDT
  COY BY 810 PM CDT

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 3208 8750 3194 8763 3184 8748 3184 8712

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 7:07 PM CDT	Severe Thunderstorm Warning	MOB	Covington	38 min
Jul 15, 7:11 PM CDT	Severe Thunderstorm Warning	MOB	Covington	34 min
Jul 15, 7:22 PM CDT	Flash Flood Warning	MOB	Monroe	53 min
Jul 15, 7:29 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	31 min
Jul 15, 7:45 PM CDT	Severe Thunderstorm Warning	MOB	Covington	45 min
Jul 15, 9:56 PM CDT	Special Marine Warning	MOB		79 min
Jul 15, 10:55 PM CDT	Special Marine Warning	MOB		110 min
Jul 15, 11:42 PM CDT	Special Marine Warning	MOB		2 hr
Jul 16, 2:23 AM CDT	Special Marine Warning	MOB		37 min
Jul 16, 2:50 AM CDT	Special Marine Warning	MOB		40 min
Jul 16, 2:50 AM CDT	Special Marine Warning	MOB		40 min
Jul 16, 3:30 AM CDT	Special Marine Warning	MOB		45 min
Jul 16, 3:30 AM CDT	Special Marine Warning	MOB		45 min
Jul 16, 1:19 PM CDT	Severe Thunderstorm Warning	MOB	Washington	26 min
Jul 16, 2:26 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	64 min
Jul 16, 2:54 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh	51 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2004 Every 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.