Alert archive / Alabama / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Birmingham, AL

February 13, 2007Dallas County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 13, 2007, 5:00 PM CST for Dallas County, Alabama. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Feb 13, 2007, 5:00 PM CST (23:00 UTC)
Expired: Feb 13, 2007, 5:45 PM CST
In force: 45 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 87 km from the middle of the area, began a volume at 23:01 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.

What was reported inside it

Time	Report	Where	Remark
Feb 13, 5:44 PM CST	HAIL 1	4 N Selma, AL	QUARTER SIZED HAIL 4 MILES NORTH OF SELMA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 13, 12:49 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 87 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: 837 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 315 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 132300
SVRBMX
ALC047-132345-
/O.NEW.KBMX.SV.W.0021.070213T2300Z-070213T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
500 PM CST TUE FEB 13 2007

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...SELMONT-WEST SELMONT...SELMA

* UNTIL 545 PM CST

* AT 457 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO
  GOLF BALL SIZE.  THIS STORM WAS LOCATED 9 MILES WEST OF MARION     
  JUNCTION...OR ABOUT 17 MILES SOUTH OF MARION...AND MOVING EAST     
  AROUND 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MARION JUNCTION BY 510 PM CST
  SELMA BY 525 PM CST
  SELMONT-WEST SELMONT BY 530 PM CST
  TYLER BY 535 PM CST

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DESTRUCTIVE HAIL...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 3232 8742 3248 8742 3248 8712 3251 8710
      3253 8693 3252 8690 3247 8688 3242 8684
      3240 8685 3237 8683 3232 8685

$$

2 follow-up statements

000 
WWUS54 KBMX 132308
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
508 PM CST TUE FEB 13 2007

ALC047-132345-
/O.CON.KBMX.SV.W.0021.000000T0000Z-070213T2345Z/
DALLAS AL-
508 PM CST TUE FEB 13 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR NORTHERN DALLAS COUNTY...

AT 506 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING
HAIL UP TO GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR MARION
JUNCTION...OR ABOUT 9 MILES WEST OF SELMA...MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SELMA BY 520 PM CST

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CST
TUESDAY EVENING FOR WESTERN ALABAMA.

LAT...LON 3240 8723 3248 8729 3248 8712 3251 8710
      3253 8693 3252 8690 3247 8688 3240 8695
      3237 8709

$$
STEFKOVICH

000 
WWUS54 KBMX 132328
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
528 PM CST TUE FEB 13 2007

ALC047-132345-
/O.CON.KBMX.SV.W.0021.000000T0000Z-070213T2345Z/
DALLAS AL-
528 PM CST TUE FEB 13 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR NORTHEASTERN DALLAS COUNTY...

AT 523 PM CST...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.  THIS STORM WAS
LOCATED 7 MILES SOUTHWEST OF PAUL GRIST STATE PARK...OR ABOUT 6 MILES
NORTH OF SELMA...MOVING EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL NORTHEASTERN DALLAS COUNTY AT 540 PM CST


LAT...LON 3244 8698 3248 8712 3264 8700 3264 8693
      3252 8690 3247 8688

$$

STEFKOVICH

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 13, 3:32 PM CST	Severe Thunderstorm Warning	BMX	Sumter	28 min
Feb 13, 3:43 PM CST	Severe Thunderstorm Warning	BMX	Lamar, Pickens	32 min
Feb 13, 3:56 PM CST	Severe Thunderstorm Warning	BMX	Greene, Sumter	49 min
Feb 13, 4:00 PM CST	Tornado Warning	BMX	Lamar	30 min
Feb 13, 4:09 PM CST	Severe Thunderstorm Warning	BMX	Greene, Tuscaloosa	51 min
Feb 13, 4:23 PM CST	Tornado Warning	BMX	Pickens, Tuscaloosa	52 min
Feb 13, 4:31 PM CST	Tornado Warning	BMX	Greene, Hale, Tuscaloosa	44 min
Feb 13, 4:37 PM CST	Severe Thunderstorm Warning	BMX	Greene, Hale, Perry	38 min
Feb 13, 4:53 PM CST	Tornado Warning	BMX	Hale, Perry	52 min
Feb 13, 5:06 PM CST	Tornado Warning	BMX	Bibb	39 min
Feb 13, 5:12 PM CST	Severe Thunderstorm Warning	BMX	Tuscaloosa	48 min
Feb 13, 5:13 PM CST	Tornado Warning	BMX	Tuscaloosa	17 min
Feb 13, 5:25 PM CST	Severe Thunderstorm Warning	BMX	Jefferson	65 min
Feb 13, 5:29 PM CST	Tornado Warning	BMX	Jefferson, Tuscaloosa	61 min
Feb 13, 5:36 PM CST	Tornado Warning	BMX	Autauga, Chilton, Dallas, Perry	39 min
Feb 13, 5:46 PM CST	Tornado Warning	BMX	Bibb, Chilton, Shelby	44 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2007 Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.