Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Birmingham, AL

July 10, 20124 counties in Alabama

NWS Birmingham, AL issued this special weather statement at Jul 10, 2012, 3:37 PM CDT for 4 counties in Alabama. It was in force for 53 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 10, 2012, 3:37 PM CDT (20:37 UTC)
Expired: Jul 10, 2012, 4:30 PM CDT
In force: 53 min
Issued by: NWS Birmingham, AL

Counties Autauga County, AL, Chilton County, AL, Elmore County, AL, Montgomery County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.6 hours before the alert went out and 94 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: 923 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 611 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 23 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 10, 12:19 PM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Jul 10, 12:19 PM CDT, 3 hours 18 minutes before

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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 10, 12:32 PM CDT, 3 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1232 PM CDT TUE JUL 10 2012

ALZ011>015-017>050-111745-
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-
1232 PM CDT TUE JUL 10 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

HEAVY RAINFALL FROM THUNDERSTORMS BETWEEN 2 PM AND 10 PM COULD
CAUSE LOCALIZED FLOODING IN SMALL STREAMS AND LOW LYING AREAS WITH
POOR DRAINAGE. THIS COULD OCCUR ANYWHERE ACROSS CENTRAL ALABAMA...
BUT THE MAIN FOCUS THIS AFTERNOON AND EVENING WILL BE AREAS NORTH
OF INTERSTATE 85.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

HEAVY RAINFALL FROM THUNDERSTORMS WEDNESDAY AND THURSDAY COULD CAUSE
LOCALIZED FLOODING IN SMALL STREAMS AND LOW LYING AREAS WITH POOR
DRAINAGE ACROSS ALL OF CENTRAL ALABAMA.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jul 10, 2:46 PM CDT, 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
246 PM CDT TUE JUL 10 2012

ALZ040-042-044-046-049-102045-
BULLOCK AL-DALLAS AL-LOWNDES AL-MONTGOMERY AL-PIKE AL-
246 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY FOR PIKE...SOUTHERN MONTGOMERY...
LOWNDES...SOUTHEASTERN DALLAS AND WESTERN BULLOCK COUNTIES UNTIL 345
PM CDT...

AT 242 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM AWIN TO I65 AND AL 185 TO
LUVERNE TO 8 MILES NORTHWEST OF VICTORIA...AND MOVING NORTH AT 20
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...
  GOSHEN...
  FORT DEPOSIT...
  TROY...
  MOSSES...
  MEADVILLE...

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 3164 8618 3178 8615 3179 8620 3196 8619
      3196 8630 3205 8631 3205 8639 3197 8640
      3196 8644 3196 8685 3204 8687 3204 8702
      3234 8697 3233 8682 3231 8681 3232 8678
      3230 8653 3222 8618 3205 8582 3161 8591
TIME...MOT...LOC 1946Z 189DEG 19KT 3189 8694 3186 8661
          3178 8627 3165 8600

56

Special weather statement, Jul 10, 2:49 PM CDT, 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
249 PM CDT TUE JUL 10 2012

ALZ030-031-102015-
GREENE AL-SUMTER AL-
249 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN SUMTER AND CENTRAL GREENE
COUNTIES UNTIL 315 PM CDT...

AT 248 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR BLUFFPORT...OR 8 MILES EAST OF LIVINGSTON...MOVING
NORTH AT 20 MPH.

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...
  EUTAW...
  TISHABEE...
  EPES...
  BOLIGEE...
  THORNHILL...

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 3292 8812 3287 8783 3246 8797 3250 8818
TIME...MOT...LOC 1950Z 192DEG 17KT 3258 8805

56

Special weather statement, Jul 10, 3:37 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
337 PM CDT TUE JUL 10 2012

ALZ033>035-040>046-049-102130-
AUTAUGA AL-BIBB AL-BULLOCK AL-CHILTON AL-DALLAS AL-ELMORE AL-LOWNDES
AL-MACON AL-MONTGOMERY AL-PERRY AL-PIKE AL-
337 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY FOR AUTAUGA...EXTREME NORTHERN
PIKE...EASTERN PERRY...MONTGOMERY...WESTERN MACON...NORTHEASTERN
LOWNDES...ELMORE...NORTHEASTERN DALLAS...SOUTHERN CHILTON...
SOUTHEASTERN BIBB AND WESTERN BULLOCK COUNTIES UNTIL 430 PM CDT...

AT 336 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES SOUTHEAST OF MARION
TO MULBERRY TO SNOWDOUN TO SHOPTON...AND MOVING NORTH AT 25 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...
  MONTGOMERY...
  PRATTVILLE...
  MILLBROOK...
  WETUMPKA...
  MILSTEAD...

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 3198 8589 3233 8673 3252 8732 3300 8711
      3282 8656 3261 8603 3255 8588 3249 8588
      3249 8580 3251 8580 3246 8568
TIME...MOT...LOC 2037Z 200DEG 24KT 3258 8718 3244 8677
          3225 8629 3211 8594

56

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, 9:57 PM CDT	Special Weather Statement	BMX	Calhoun, Cherokee, Cleburne, Etowah	48 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, 3:44 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.