Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Birmingham, AL

July 6, 2012Lee County, Macon County, Russell County, Alabama

NWS Birmingham, AL issued this special weather statement at Jul 6, 2012, 11:55 PM CDT for Lee County, Macon County, Russell County, Alabama. It was in force for 80 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 6, 2012, 11:55 PM CDT (04:55 UTC)
Expired: Jul 7, 2012, 1:15 AM CDT
In force: 80 min
Issued by: NWS Birmingham, AL

Counties Lee County, AL, Macon County, AL, Russell County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.9 hours before the alert went out and 141 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: 366 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 2130 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 93 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this special weather statement went out at Jul 6, 6:48 PM CDT, 5 hours 7 minutes earlier.

Area forecast discussion, Jul 6, 6:48 PM CDT, 5 hours 7 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 6, 5:37 PM CDT, 6 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
537 PM CDT FRI JUL 6 2012

ALZ011>015-017>050-072245-
MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN-CHEROKEE-
CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA-
CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA-TALLAPOOSA-
CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-
BULLOCK-LEE-RUSSELL-PIKE-BARBOUR-
537 PM CDT FRI JUL 6 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE
NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

.DAY ONE...TONIGHT.

SCATTERED SEVERE THUNDERSTORMS WILL BE POSSIBLE GENERALLY NEAR
AND WEST OF A LINE FROM SELMA TO CENTREVILLE TO BRILLIANT.
ELSEWHERE...ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE.
THE ACTIVITY SHOULD LOSE INTENSITY AND COVERAGE BY 10 PM. THE
MAIN THREATS FROM THESE STORMS WILL BE DAMAGING STRAIGHT LINE WINDS
AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BE
NEEDED INTO THE EVENING HOURS.

In the hours before

Special weather statement, Jul 6, 6:27 PM CDT, 5 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
627 PM CDT FRI JUL 6 2012

ALZ022-070015-
PICKENS AL-
627 PM CDT FRI JUL 6 2012

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL PICKENS COUNTY UNTIL 715
PM CDT...

AT 625 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR GORDO...MOVING WEST AT 5 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  CARROLLTON...
  OWENS...

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 3335 8813 3338 8784 3334 8783 3329 8783
      3328 8784 3326 8783 3326 8784 3325 8783
      3319 8783 3311 8805
TIME...MOT...LOC 2327Z 074DEG 2KT 3327 8792

MA

Special weather statement, Jul 6, 6:39 PM CDT, 5 hours 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
639 PM CDT FRI JUL 6 2012

ALZ023-070030-
TUSCALOOSA AL-
639 PM CDT FRI JUL 6 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN TUSCALOOSA COUNTY UNTIL
730 PM CDT...

AT 635 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM BROOKWOOD TO MCFARLAND MALL
TO KNOXVILLE...AND MOVING WEST AT 10 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  HOLT...
  TUSCALOOSA...
  NORTHPORT...
  UNIVERSITY MALL...
  DEERLICK CREEK CAMPGROUNDS...

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 3333 8784 3338 8780 3338 8723 3336 8723
      3336 8720 3334 8720 3319 8747 3301 8772
      3302 8783 3328 8784
TIME...MOT...LOC 2339Z 073DEG 8KT 3330 8732 3317 8757
          3304 8776

MA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 7:41 PM CDT	Special Weather Statement	BMX	Cherokee	49 min
Jul 6, 8:56 PM CDT	Special Weather Statement	BMX	Randolph	49 min
Jul 6, 9:21 PM CDT	Special Weather Statement	BMX	Russell	39 min
Jul 6, 9:48 PM CDT	Special Weather Statement	BMX	Chambers, Randolph	57 min
Jul 6, 10:08 PM CDT	Special Weather Statement	BMX	Etowah	52 min
Jul 6, 10:49 PM CDT	Special Weather Statement	BMX	Chambers, Lee	71 min
Jul 6, 11:54 PM CDT	Special Weather Statement	BMX	Chambers, Lee	66 min
Jul 7, 2:35 PM CDT	Special Weather Statement	BMX	Winston	40 min

Nearby

Special Weather Statements in Alabama, 2012 Every special weather statement in 2012

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.