Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 77, NWS Mobile, AL

June 28, 2004Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 28, 2004, 2:35 PM CDT for Monroe County, Alabama. It was in force for 40 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: Jun 28, 2004, 2:35 PM CDT (19:35 UTC)
Expired: Jun 28, 2004, 3:15 PM CDT
In force: 40 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), 148 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 155 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: 125 J/kg
Mixed-layer CIN: -266 J/kg
Mixed-layer LCL: 1563 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 69 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.

378 
WUUS54 KMOB 281935
SVRMOB
ALC099-282015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
235 PM CDT MON JUN 28 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 315 PM CDT

* AT 223 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DIME SIZE HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM FINCHBURG TO DREWRY...OR ALONG A LINE
  EXTENDING FROM 14 MILES NORTHWEST OF MONROEVILLE TO 7 MILES SOUTH
  OF MONROEVILLE...AND MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  FRANKLIN BY 245 PM CDT
  KEITH BY 250 PM CDT
  PETERMAN BY 255 PM CDT
  RIVER RIDGE BY 305 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 3183 8750 3157 8755 3139 8733 3165 8712
          3177 8693 3184 8693 3183 8723

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 11:13 AM CDT	Special Marine Warning	MOB		62 min
Jun 28, 2:05 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	25 min
Jun 28, 2:07 PM CDT	Severe Thunderstorm Warning	MOB	Monroe	23 min
Jun 28, 2:48 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	42 min
Jun 28, 3:12 PM CDT	Severe Thunderstorm Warning	MOB	Monroe, Wilcox	63 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.