Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 39, NWS Mobile, AL

May 31, 2004Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 31, 2004, 5:02 PM CDT for Baldwin County, Alabama. It was in force for 28 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, 5:02 PM CDT (22:02 UTC)
Expired: May 31, 2004, 5:30 PM CDT
In force: 28 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 67 km from the middle of the area, began a volume at 22:01 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.0 hours before the alert went out and 200 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: 1274 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

806 
WUUS54 KMOB 312202
SVRMOB
ALC003-312230-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 530 PM CDT

* AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM SUMMERDALE TO PALMETTO BEACH...OR ALONG A LINE
  EXTENDING FROM 24 MILES SOUTH OF BAY MINETTE TO 14 MILES EAST OF
  DAUPHIN ISLAND...AND MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  MIFLIN AND GULF SHORES BY 510 PM CDT
  SEMINOLE AND ROMAR BEACH BY 515 PM CDT
  ORANGE BEACH AND JOSEPHINE BY 520 PM CDT
  PARADISE BEACH AND PERDIDO BEACH BY 525 PM CDT

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING.
TAKE COVER IN A STURDY SHELTER UNTIL THESE STORMS HAVE PASSED.

LAT...LON 3035 8784 3061 8764 3060 8741 3043 8740
          3034 8747 3028 8757 3025 8780

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 8:07 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	23 min
May 31, 12:00 PM CDT	Severe Thunderstorm Warning	MOB	Mobile, Washington	60 min
May 31, 12:30 PM CDT	Special Marine Warning	MOB		2 hr
May 31, 12:30 PM CDT	Special Marine Warning	MOB		2 hr
May 31, 1:25 PM CDT	Severe Thunderstorm Warning	MOB	Covington	50 min
May 31, 1:46 PM CDT	Tornado Warning	MOB	Covington	14 min
May 31, 3:35 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	40 min
May 31, 3:51 PM CDT	Special Marine Warning	MOB		54 min
May 31, 3:51 PM CDT	Special Marine Warning	MOB		54 min
May 31, 4:32 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	28 min
May 31, 4:43 PM CDT	Special Marine Warning	MOB		62 min
May 31, 4:43 PM CDT	Special Marine Warning	MOB		62 min
May 31, 5:31 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	29 min
May 31, 5:45 PM CDT	Special Marine Warning	MOB		60 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.