Alert archive / Alabama / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 430, NWS Birmingham, AL

August 13, 2005Tuscaloosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 13, 2005, 4:49 PM CDT for Tuscaloosa County, Alabama. It was in force for 41 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: Aug 13, 2005, 4:49 PM CDT (21:49 UTC)
Expired: Aug 13, 2005, 5:30 PM CDT
In force: 41 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 70 km from the middle of the area, began a volume at 21:50 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
Aug 13, 5:29 PM CDT	TSTM WND DMG	Tuscaloosa, AL	NUMEROUS TREES AND POWER LINES WERE BLOWN DOWN IN CENTRAL TUSCALOOSA COUNTY IN AND AROUND THE CITY OF TUSCALOOSA.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.8 hours before the alert went out and 69 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: 1288 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: -8 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 132150
SVRBMX
ALC125-132230-
/O.NEW.KBMX.SV.W.0430.050813T2149Z-050813T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
449 PM CDT SAT AUG 13 2005

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA
  THIS INCLUDES THE CITY OF TUSCALOOSA

* UNTIL 530 PM CDT

* AT 446 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  AREA SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN   
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE          
  EXTENDING FROM SAMANTHA TO NORTHPORT MOVING SOUTH AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  KELLERMAN...HOLT AND BROOKWOOD.

IN ADDITION TO SMALL HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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

LAT...LON 3353 8758 3326 8771 3305 8755 3323 8718
      3353 8732

$$

92/JSS

2 follow-up statements

000 
WWUS54 KBMX 132216
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
515 PM CDT SAT AUG 13 2005

ALC125-132230-
/O.CON.KBMX.SV.W.0430.000000T0000Z-050813T2230Z/
TUSCALOOSA AL-
515 PM CDT SAT AUG 13 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 530 PM CDT FOR
CENTRAL TUSCALOOSA COUNTY...

AT 513 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR TUSCALOOSA...MOVING 
SOUTHEAST AROUND 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLT...
KELLERMAN AND BROOKWOOD.

IN ADDITION TO DAMAGING WINDS AND SMALL HAIL...CONTINUOUS CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY

LAT...LON 3353 8758 3326 8771 3305 8755 3323 8718
      3353 8732

$$

92/JSS

000 
WWUS54 KBMX 132228
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
527 PM CDT SAT AUG 13 2005

ALC125-132237-
/O.EXP.KBMX.SV.W.0430.000000T0000Z-050813T2230Z/
TUSCALOOSA AL-
527 PM CDT SAT AUG 13 2005

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL TUSCALOOSA COUNTY
EXPIRES AT 530 PM CDT...

THE THREAT OF SEVERE WEATHER HAS ENDED. THE STORMS THAT PROMPTED THE 
WARNING HAVE WEAKENED. 

LAT...LON 3353 8758 3326 8771 3305 8755 3323 8718
      3353 8732

$$

LINHARES

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 12:14 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	16 min
Aug 13, 2:05 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Tallapoosa	25 min
Aug 13, 2:09 PM CDT	Severe Thunderstorm Warning	BMX	Winston	36 min
Aug 13, 5:14 PM CDT	Flash Flood Warning	BMX	Tuscaloosa	2 hr
Aug 13, 5:59 PM CDT	Severe Thunderstorm Warning	BMX	Fayette	61 min
Aug 13, 6:09 PM CDT	Severe Thunderstorm Warning	BMX	Sumter	51 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2005 Every severe thunderstorm warning in 2005

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.