Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 98, NWS Mobile, AL

July 15, 2004Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 15, 2004, 7:45 PM CDT for Covington County, Alabama. It was in force for 45 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, 7:45 PM CDT (00:45 UTC)
Expired: Jul 15, 2004, 8:30 PM CDT
In force: 45 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.

Issued	Product	Office	Lasted
Jul 15, 3:10 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.8 hours before the alert went out and 204 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 160045
SVRMOB
ALC039-160130-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLFBALL SIZE           
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS     
  LOCATED NEAR EODA AND ROSE HILL..MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OPP BY 820 PM CDT

THIS IS A DANGEROUS STORM. GOLFBALL HAIL WAS REPORTED AT 740 PM NEAR 
ROSE HILL WITH THIS 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 3148 8635 3140 8649 3117 8619 3140 8619

$$

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, 8:00 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	30 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.