Alert archive / Alabama / Special Weather Statements in 2011

Special Weather Statement, NWS Birmingham, AL

June 21, 2011Macon County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 21, 2011, 10:21 PM CDT for Macon County, Alabama. It was in force for 39 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: Jun 21, 2011, 10:21 PM CDT (03:21 UTC)
Expired: Jun 21, 2011, 11:00 PM CDT
In force: 39 min
Issued by: NWS Birmingham, AL

County Macon County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 3.4 hours before the alert went out and 126 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: 1308 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 620 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -75 m²/s²
0-3 km storm-relative helicity: -34 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -1.1

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 Jun 21, 9:28 PM CDT, 53 minutes earlier.

Area forecast discussion, Jun 21, 9:28 PM CDT, 53 minutes before

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Hazardous weather outlook, Jun 21, 7:49 PM CDT, 2 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
749 PM CDT TUE JUN 21 2011

ALZ011>015-017>050-221300-
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-
749 PM CDT TUE JUN 21 2011

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

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW AT THIS
TIME.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jun 21, 6:32 PM CDT, 3 hours 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
632 PM CDT TUE JUN 21 2011

ALZ018-019-026-220015-
CALHOUN AL-ETOWAH AL-ST. CLAIR AL-
632 PM CDT TUE JUN 21 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ST. CLAIR...ETOWAH
AND NORTHWESTERN CALHOUN COUNTIES UNTIL 715 PM CDT...

AT 630 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR RAGLAND...OR 11 MILES NORTHEAST OF PELL CITY...
MOVING NORTHEAST AT 35 MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  MARKTON...
  RAINBOW CITY...
  GADSDEN...
  HOKES BLUFF...
  RAGLAND...

&&

LAT...LON 3406 8577 3401 8575 3365 8603 3367 8605
      3367 8616 3370 8619 3368 8621 3366 8617
      3363 8616 3361 8618 3366 8628 3418 8617
TIME...MOT...LOC 2332Z 210DEG 32KT 3370 8613

27

Special weather statement, Jun 21, 6:57 PM CDT, 3 hours 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
657 PM CDT TUE JUN 21 2011

ALZ042-044-220045-
LOWNDES AL-MONTGOMERY AL-
657 PM CDT TUE JUN 21 2011

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MONTGOMERY AND LOWNDES
COUNTIES UNTIL 745 PM CDT...

AT 653 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR BEECHWOOD...OR 6 MILES SOUTH OF MOSSES...MOVING
NORTHEAST AT 25 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  MOSSES...
  HAYNEVILLE...
  BEECHWOOD...
  LOWNDESBORO...
  PINTLALA...

&&

LAT...LON 3212 8678 3237 8656 3237 8654 3234 8653
      3234 8650 3236 8649 3238 8646 3241 8646
      3240 8643 3241 8640 3223 8619 3200 8667
TIME...MOT...LOC 2356Z 234DEG 22KT 3210 8665

27

Special weather statement, Jun 21, 7:44 PM CDT, 2 hours 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
744 PM CDT TUE JUN 21 2011

ALZ041>044-220130-
AUTAUGA AL-ELMORE AL-LOWNDES AL-MONTGOMERY AL-
744 PM CDT TUE JUN 21 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN AUTAUGA...
NORTHWESTERN MONTGOMERY...NORTHERN LOWNDES AND SOUTHWESTERN ELMORE
COUNTIES UNTIL 830 PM CDT...

AT 742 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR WHITE HALL...OR 10 MILES NORTHWEST OF MOSSES...
MOVING NORTHEAST AT 50 MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  PRATTVILLE...
  MONTGOMERY...
  MILLBROOK...
  LOWNDESBORO...
  AUTAUGAVILLE...

&&

LAT...LON 3230 8684 3231 8683 3232 8685 3235 8681
      3238 8682 3269 8639 3236 8614 3219 8676
TIME...MOT...LOC 0044Z 239DEG 46KT 3232 8671

27

Special weather statement, Jun 21, 8:35 PM CDT, 1 hour 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
835 PM CDT TUE JUN 21 2011

ALZ041-043-044-220215-
AUTAUGA AL-ELMORE AL-MONTGOMERY AL-
835 PM CDT TUE JUN 21 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN AUTAUGA...NORTHERN
MONTGOMERY AND SOUTHWESTERN ELMORE COUNTIES UNTIL 915 PM CDT...

AT 833 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR HUNTER...OR 5 MILES NORTHWEST OF MONTGOMERY...
MOVING NORTHEAST AT 30 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  MILLBROOK...
  MONTGOMERY...
  WETUMPKA...
  PINEDALE...
  COOSADA...

&&

LAT...LON 3227 8644 3246 8651 3264 8609 3243 8601
      3242 8602 3241 8601 3238 8601 3235 8599
      3234 8599 3232 8596 3225 8642
TIME...MOT...LOC 0135Z 247DEG 26KT 3239 8635

27

Local storm report, Jun 21, 8:54 PM CDT, 1 hour 27 minutes before

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Special weather statement, Jun 21, 10:21 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
Jun 21, 7:05 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	40 min
Jun 21, 7:44 PM CDT	Special Weather Statement	BMX	Autauga	46 min
Jun 21, 8:15 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Elmore, Lowndes, Montgomery	20 min
Jun 21, 8:35 PM CDT	Special Weather Statement	BMX	Elmore	40 min
Jun 22, 9:24 AM CDT	Special Weather Statement	BMX	Winston	51 min
Jun 22, 1:35 PM CDT	Special Weather Statement	BMX	Calhoun	40 min
Jun 22, 1:37 PM CDT	Special Weather Statement	BMX	Greene, Marengo, Sumter	53 min
Jun 22, 1:37 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah	38 min
Jun 22, 1:42 PM CDT	Special Weather Statement	BMX	Lamar, Marion	63 min
Jun 22, 2:22 PM CDT	Special Weather Statement	BMX	Fayette, Marion, Walker, Winston	38 min
Jun 22, 2:25 PM CDT	Special Weather Statement	BMX	Dallas, Greene, Hale, Perry	50 min
Jun 22, 3:05 PM CDT	Special Weather Statement	BMX	Walker, Winston	55 min
Jun 22, 3:18 PM CDT	Special Weather Statement	BMX	Bibb, Chilton, Dallas, Tuscaloosa	57 min
Jun 22, 3:52 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa, Shelby	38 min
Jun 22, 4:07 PM CDT	Special Weather Statement	BMX	Blount, Etowah, Jefferson, St. Clair, Shelby	53 min
Jun 22, 4:09 PM CDT	Special Weather Statement	BMX	Macon	66 min
Jun 22, 4:12 PM CDT	Special Weather Statement	BMX	Coosa	63 min
Jun 22, 4:25 PM CDT	Severe Thunderstorm Warning	BMX	Shelby, Talladega	50 min
Jun 22, 4:57 PM CDT	Special Weather Statement	BMX	Calhoun, Clay, St. Clair, Shelby, Talladega	48 min
Jun 22, 5:01 PM CDT	Special Weather Statement	BMX	Lowndes, Montgomery	44 min
Jun 22, 5:22 PM CDT	Special Weather Statement	BMX	Chambers, Randolph	38 min
Jun 22, 5:35 PM CDT	Special Weather Statement	BMX	Cherokee	55 min
Jun 22, 5:37 PM CDT	Special Weather Statement	BMX	Cleburne	53 min
Jun 22, 5:41 PM CDT	Areal Flood Advisory	BMX	Montgomery	3 hr
Jun 22, 5:44 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun	31 min
Jun 22, 5:58 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne	47 min

Nearby

Special Weather Statements in Alabama, 2011 Every special weather statement in 2011

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.