Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Birmingham, AL

July 9, 20124 counties in Alabama

NWS Birmingham, AL issued this special weather statement at Jul 9, 2012, 9:57 PM CDT for 4 counties in Alabama. It was in force for 48 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 9, 2012, 9:57 PM CDT (02:57 UTC)
Expired: Jul 9, 2012, 10:45 PM CDT
In force: 48 min
Issued by: NWS Birmingham, AL

Counties Calhoun County, AL, Cherokee County, AL, Cleburne County, AL, Etowah County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.0 hours before the alert went out and 148 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: 745 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1864 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 15 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 9, 6:39 PM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Jul 9, 6:39 PM CDT, 3 hours 18 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
639 PM CDT MON JUL 9 2012

.UPDATE...

FOR 00Z AVIATION.

&&

.DISCUSSION...

BUMPED POPS UP DUE TO SEABREEZE BOUNDARY APPROACHING FROM THE
SOUTHWEST. THINK THIS ACTIVITY WILL HOLD TOGETHER LONG ENOUGH FOR
LIKELY POPS A FEW HOURS THIS EVENING ESPECIALLY BETWEEN BHM-MGM. A
FEW STRONG STORMS ARE POSSIBLE WITH GUSTY WINDS AND SMALL HAIL.
UPDATES ON THE WAY.

&&

.AVIATION...

00Z TAF DISCUSSION.

THUNDERSTORMS ALONG OUTFLOW BOUNDARY AFFECTING A LARGE PART OF
SOUTHERN ALABAMA THIS EVENING. TAFS WERE ISSUED WITH AN ASSORTMENT
OF VCTS AND TEMPO GROUPS FOR THE NEXT COUPLE OF HOURS AT WHICH
TIME THE CONVECTION IS EXPECTED TO BECOME MORE ISOLATED.
ADDITIONAL THUNDERSTORMS ARE EXPECTED TOMORROW AFTERNOON. COVERAGE
IS EXPECTED TO BE WIDESPREAD ENOUGH TO INCLUDE VC IN THE FORECAST
BEGINNING 18Z.

&&

.BMX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

75/88

Hazardous weather outlook, Jul 9, 8:19 PM CDT, 1 hour 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
819 PM CDT MON JUL 9 2012

ALZ011>015-017>050-110130-
AUTAUGA-BARBOUR-BIBB-BLOUNT-BULLOCK-CALHOUN-CHAMBERS-CHEROKEE-
CHILTON-CLAY-CLEBURNE-COOSA-DALLAS-ELMORE-ETOWAH-FAYETTE-GREENE-HALE-
JEFFERSON-LAMAR-LEE-LOWNDES-MACON-MARENGO-MARION-MONTGOMERY-PERRY-
PICKENS-PIKE-RANDOLPH-RUSSELL-SHELBY-ST CLAIR-SUMTER-TALLADEGA-
TALLAPOOSA-TUSCALOOSA-WALKER-WINSTON-
819 PM CDT MON JUL 9 2012

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

AN ACTIVE PATTERN WILL PROVIDE MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS
THAT WILL CAUSE THE POTENTIAL FOR LOCALIZED FLOODING WEDNESDAY AND THURSDAY.
BEST CHANCES FOR LOCALIZED FLOODING APPEARS TO BE OVER NORTHERN PORTIONS
OF CENTRAL ALABAMA WHERE A FRONTAL BOUNDARY WILL STALL OUT. CONFIDENCE
REMAINS LOW DUE TO THE UNCERTAINTY WITH THE SOUTHWARD MOVEMENT OF
THE FRONT.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT IS NOT
ANTICIPATED AT THIS TIME.

In the hours before

Special weather statement, Jul 9, 8:30 PM CDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
830 PM CDT MON JUL 9 2012

ALZ017>019-021-024-026>028-100215-
BLOUNT AL-CALHOUN AL-CLAY AL-CLEBURNE AL-ETOWAH AL-JEFFERSON AL-ST.
CLAIR AL-TALLADEGA AL-
830 PM CDT MON JUL 9 2012

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN TALLADEGA...ST.
CLAIR...EASTERN JEFFERSON...SOUTHWESTERN ETOWAH...SOUTHWESTERN
CLEBURNE...NORTHEASTERN CLAY...SOUTHEASTERN BLOUNT AND CALHOUN
COUNTIES UNTIL 915 PM CDT...

AT 830 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM TRUSSVILLE TO BALD ROCK TO
PELL CITY TO 5 MILES NORTH OF WALDO TO 7 MILES NORTHWEST OF
LINEVILLE...AND MOVING NORTHEAST AT 30 MPH.

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...
  ODENVILLE...
  SPRINGVILLE...
  OXFORD...
  WEST END-COBB TOWN...
  COBB TOWN...

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 3350 8562 3349 8564 3347 8564 3325 8579
      3349 8629 3353 8648 3355 8648 3353 8652
      3356 8676 3402 8644 3395 8596 3371 8547
TIME...MOT...LOC 0130Z 211DEG 25KT 3362 8660 3361 8640
          3357 8623 3347 8601 3338 8584

56

Local storm report, Jul 9, 8:46 PM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
846 PM CDT MON JUL 09 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0824 PM     TSTM WND DMG     TALLADEGA               33.43N 86.10W
07/09/2012                   TALLADEGA          AL   EMERGENCY MNGR

            TREE DOWNED AS WELL AS A LIVE POWER LINE ON MARTIN LUTHER
            KING DRIVE IN TALLADEGA. ESTIMATED 40MPH GUST.

&&

GGOGGINS

Local storm report, Jul 9, 9:01 PM CDT, 56 minutes before

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Local storm report, Jul 9, 9:06 PM CDT, 51 minutes before

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Special weather statement, Jul 9, 9:15 PM CDT, 42 minutes before

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Special weather statement, Jul 9, 9:57 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:22 PM CDT	Special Weather Statement	BMX	Randolph	23 min
Jul 9, 7:29 PM CDT	Special Weather Statement	BMX	Coosa, Jefferson, Shelby, Talladega	61 min
Jul 9, 7:30 PM CDT	Special Weather Statement	BMX	Chambers, Lee, Russell, Tallapoosa	45 min
Jul 9, 8:00 PM CDT	Special Weather Statement	BMX	Cleburne	30 min
Jul 9, 8:30 PM CDT	Special Weather Statement	BMX	Calhoun, Cleburne, St. Clair	45 min
Jul 9, 9:15 PM CDT	Special Weather Statement	BMX	Calhoun, Cleburne, St. Clair	45 min
Jul 9, 10:36 PM CDT	Areal Flood Advisory	BMX	Cleburne	114 min
Jul 10, 2:46 PM CDT	Special Weather Statement	BMX	Lowndes, Montgomery, Pike	59 min
Jul 10, 2:49 PM CDT	Special Weather Statement	BMX	Greene	26 min
Jul 10, 3:37 PM CDT	Special Weather Statement	BMX	Autauga, Chilton, Elmore, Montgomery	53 min
Jul 10, 3:44 PM CDT	Special Weather Statement	BMX	Tuscaloosa	46 min
Jul 10, 4:02 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	28 min
Jul 10, 4:17 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Coosa, Elmore, Shelby	43 min
Jul 10, 4:27 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	48 min
Jul 10, 4:35 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Marion, Walker, Winston	40 min
Jul 10, 4:37 PM CDT	Special Weather Statement	BMX	Elmore, Macon, Russell, Tallapoosa	38 min
Jul 10, 4:56 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Clay, Coosa, St. Clair, Shelby, Talladega and 1 more	49 min
Jul 10, 5:11 PM CDT	Special Weather Statement	BMX	Lee, Macon, Russell	49 min
Jul 10, 5:28 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee, Russell	50 min
Jul 10, 5:44 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Randolph, St. Clair, Shelby and 1 more	44 min
Jul 10, 6:27 PM CDT	Special Weather Statement	BMX	Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 2 more	48 min
Jul 10, 6:47 PM CDT	Areal Flood Advisory	BMX	Blount	58 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.