Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 87, NWS Mobile, AL

July 13, 2004Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 13, 2004, 8:32 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: Jul 13, 2004, 8:32 PM CDT (01:32 UTC)
Expired: Jul 13, 2004, 9:00 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), 59 km from the middle of the area, began a volume at 01:36 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 00:00Z, 1.5 hours before the alert went out and 184 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: 1834 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1417 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 90 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 140132
SVRMOB
ALC003-140200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
828 PM CDT TUE JUL 13 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 900 PM CDT

* AT 828 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND    
  DAMAGING WINDS IN EXCESS OF 60 MPH OVER EXTREME SOUTHWEST BALDWIN  
  COUNTY. THE STONGEST PART OF THIS STORM WAS LOCATED NEAR CYPRESS   
  POINT ON THE SHORELINE NORTHWEST OF BON SECOUR...MOVING SOUTH AT   
  10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GASQUE ON THE FORT MOGRAN PENINSULA BY 835 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 3038 8778 3033 8788 3021 8785 3026 8766

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 8:04 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	26 min
Jul 13, 8:17 PM CDT	Special Marine Warning	MOB		58 min
Jul 13, 8:17 PM CDT	Special Marine Warning	MOB		58 min
Jul 13, 9:12 PM CDT	Special Marine Warning	MOB		63 min
Jul 13, 9:12 PM CDT	Special Marine Warning	MOB		63 min
Jul 14, 1:16 AM CDT	Special Marine Warning	MOB		89 min
Jul 14, 3:54 AM CDT	Special Marine Warning	MOB		36 min
Jul 14, 12:58 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	47 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.