Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 92, NWS Mobile, AL

July 15, 2004Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 15, 2004, 6:21 PM CDT for Monroe County, Alabama. It was in force for 24 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, 6:21 PM CDT (23:21 UTC)
Expired: Jul 15, 2004, 6:45 PM CDT
In force: 24 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Monroe County, AL

The radar

The Mobile radar (KMOB), 124 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 141 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: 2319 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 930 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 38 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 152321
SVRMOB
ALC099-152345-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 645 PM CDT

* AT 618 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
  MEXIA...OR 3 MILES SOUTHWEST OF MONROEVILLE...AND MOVING 
  SOUTHEAST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FRISCO CITY BY 640 PM CDT
  EXCEL AND 6 MILES WEST OF DREWRY BY 645 PM CDT

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

LAT...LON 3162 8735 3152 8753 3133 8740 3147 8720

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 4:43 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	32 min
Jul 15, 4:52 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	23 min
Jul 15, 5:16 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	29 min
Jul 15, 5:30 PM CDT	Flash Flood Warning	MOB	Monroe	2 hr
Jul 15, 6:44 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	46 min
Jul 15, 6:48 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	27 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.