Alert archive / Alabama / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 310, NWS Birmingham, AL

July 28, 2006Autauga County, Dallas County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 28, 2006, 6:06 PM CDT for Autauga County, Dallas 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 28, 2006, 6:06 PM CDT (23:06 UTC)
Expired: Jul 28, 2006, 6:30 PM CDT
In force: 24 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties Autauga County, AL, Dallas County, AL

The radar

The Birmingham radar (KBMX), 76 km from the middle of the area, began a volume at 23:06 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

Birmingham, AL (KBMX), launched 12:00Z, 11.1 hours before the alert went out and 76 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: 967 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1079 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 2 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 282306
SVRBMX
ALC001-047-282330-
/O.NEW.KBMX.SV.W.0310.060728T2306Z-060728T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
606 PM CDT FRI JUL 28 2006

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME WEST CENTRAL AUTAUGA COUNTY IN CENTRAL ALABAMA
  NORTHEASTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...SELMA...PAUL GRIST STATE PARK

* UNTIL 630 PM CDT

* AT 606 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES NORTHWEST OF SELMA...AND
  MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SELMA BY 630 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING. 
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...
ON THE WEB WWW.SRH.NOAA.GOV/BMX (SUBMIT A STORM REPORT)
CALL 1-800-856-0758.

LAT...LON 3248 8726 3248 8712 3255 8707 3257 8707
      3260 8703 3263 8704 3266 8699 3266 8694
      3247 8684 3236 8719

$$

JONES/90

1 follow-up statement

000 
WWUS54 KBMX 282322
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
621 PM CDT FRI JUL 28 2006

ALC047-282331-
/O.EXP.KBMX.SV.W.0310.000000T0000Z-060728T2330Z/
DALLAS AL-
621 PM CDT FRI JUL 28 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DALLAS COUNTY
EXPIRES AT 630 PM CDT...

AT 621 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO
LONGER SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3248 8726 3248 8712 3255 8707 3257 8707
      3260 8703 3263 8704 3266 8699 3266 8694
      3246 8688 3236 8719

$$

JONES/90

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 4:13 PM CDT	Severe Thunderstorm Warning	BMX	Sumter	17 min
Jul 28, 4:30 PM CDT	Severe Thunderstorm Warning	BMX	Marengo	30 min
Jul 28, 5:05 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Shelby	25 min
Jul 28, 5:40 PM CDT	Severe Thunderstorm Warning	BMX	Pickens, Tuscaloosa	20 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2006 Every severe thunderstorm warning in 2006

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.