Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 45, NWS Birmingham, AL

April 8, 2004Barbour County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 8, 2004, 9:54 AM CDT for Barbour County, Alabama. It was in force for 36 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: Apr 8, 2004, 9:54 AM CDT (14:54 UTC)
Expired: Apr 8, 2004, 10:30 AM CDT
In force: 36 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Barbour 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
Apr 8, 9:10 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.9 hours before the alert went out and 185 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: 1201 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

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

682 
WUUS54 KBMX 081454
SVRBHM
ALC005-081530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
953 AM CDT THU APR 8 2004

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BARBOUR COUNTY IN SOUTHEAST ALABAMA

* UNTIL 1030 AM CDT

* AT 947 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF CLIO...MOVING EAST AT 40
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BAKERHILL...
BLUE SPRINGS...LOUISVILLE AND TEXASVILLE.

LARGE HAIL IS LIKELY WITH THIS STORM. IF YOU ARE IN THE PATH OF THIS
STORM...MOVE INSIDE...AND STAY AWAY FROM WINDOWS.

CALL 1-800-856-0758 TO REPORT SEVERE WEATHER.

LAT...LON 3179 8567 3157 8580 3154 8518 3183 8518

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 7:10 PM CDT	Severe Thunderstorm Warning	BMX	Hale	35 min
Apr 7, 7:22 PM CDT	Severe Thunderstorm Warning	BMX	Dallas	38 min
Apr 7, 7:43 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Hale	62 min
Apr 7, 7:58 PM CDT	Severe Thunderstorm Warning	BMX	Dallas	17 min
Apr 7, 8:05 PM CDT	Severe Thunderstorm Warning	BMX	Autauga	55 min
Apr 7, 8:35 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa	55 min
Apr 7, 8:42 PM CDT	Severe Thunderstorm Warning	BMX	Chilton	48 min
Apr 7, 10:50 PM CDT	Severe Thunderstorm Warning	BMX	Autauga	25 min
Apr 7, 11:11 PM CDT	Severe Thunderstorm Warning	BMX	Autauga	34 min
Apr 7, 11:22 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	38 min
Apr 7, 11:59 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	31 min
Apr 8, 12:29 AM CDT	Severe Thunderstorm Warning	BMX	Montgomery	31 min
Apr 8, 12:35 AM CDT	Severe Thunderstorm Warning	BMX	Macon	40 min
Apr 8, 9:24 AM CDT	Severe Thunderstorm Warning	BMX	Pike	36 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.