Alert archive / Alabama / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 40, NWS Birmingham, AL

April 7, 2004Elmore County, Montgomery County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 7, 2004, 11:22 PM CDT for Elmore County, Montgomery County, Alabama. It was in force for 38 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 7, 2004, 11:22 PM CDT (04:22 UTC)
Expired: Apr 8, 2004, 12:00 AM CDT
In force: 38 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties Elmore County, AL, Montgomery County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.4 hours before the alert went out and 98 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2669 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 122 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 KBMX 080422
SVRBHM
ALC051-101-080500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1121 PM CDT WED APR 7 2004

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ELMORE COUNTY
  NORTHERN MONTGOMERY COUNTY

* UNTIL MIDNIGHT CDT

* AT 1118 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF MILLBROOK...MOVING EAST AT 30
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BLUE RIDGE...
MILLBROOK...COOSADA AND WETUMPKA.

STRONG DAMAGING WIND...AND LARGE HAIL ARE LIKELY WITH THIS STORM.
TAKE COVER IN A STURDY SHELTER UNTIL THE STORM PASSES.

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

LAT...LON 3238 8641 3257 8641 3258 8612 3260 8590
          3246 8589 3245 8602 3237 8602

$$

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, 11:59 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
Apr 8, 9:54 AM CDT	Severe Thunderstorm Warning	BMX	Barbour	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.