Alert archive / Alabama / Special Weather Statements in 2011

Special Weather Statement, NWS Birmingham, AL

March 30, 2011Pike County, Alabama

NWS Birmingham, AL issued this special weather statement at Mar 30, 2011, 3:47 AM CDT for Pike County, Alabama. It was in force for 43 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: Mar 30, 2011, 3:47 AM CDT (08:47 UTC)
Expired: Mar 30, 2011, 4:30 AM CDT
In force: 43 min
Issued by: NWS Birmingham, AL

County Pike County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.8 hours before the alert went out and 170 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 479 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 162 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 Mar 30, 3:09 AM CDT, 38 minutes earlier.

Area forecast discussion, Mar 30, 3:09 AM CDT, 38 minutes before

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Hazardous weather outlook, Mar 29, 8:00 PM CDT, 7 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
800 PM CDT TUE MAR 29 2011

ALZ011>015-017>050-301130-
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-
800 PM CDT TUE MAR 29 2011

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

.DAY ONE...TONIGHT.

THERE WILL BE A THREAT OF SEVERE THUNDERSTORMS PRODUCING LARGE HAIL
GENERALLY WEST OF A LINE FROM DOUBLE SPRINGS AND JASPER...TO
CENTREVILLE AND SELMA. THE STORMS WILL BE POSSIBLE MUCH OF THE
OVERNIGHT HOURS. ADDITIONALLY...THERE WILL BE A SMALL THREAT OF
DAMAGING WINDS AND TORNADOES FOR AREAS GENERALLY SOUTH OF A LINE
FROM EUTAW TO SELMA AFTER MIDNIGHT.

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

SHOWERS AND THUNDERSTORMS WILL LINGER INTO WEDNESDAY AFTERNOON...
MAINLY FOR THE EXTREME SOUTHEASTERN COUNTIES OR ALONG AND SOUTH OF
THE INTERSTATE 85 CORRIDOR. THERE IS A SMALL THREAT OF LARGE
HAIL AND DAMAGING WINDS THROUGH THE 1 OR 2 PM.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BECOME
NECESSARY TONIGHT THROUGH MID DAY WEDNESDAY FOR THE THREAT OF SEVERE
WEATHER.

75

In the hours before

Special weather statement, Mar 29, 11:33 PM CDT, 4 hours 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1133 PM CDT TUE MAR 29 2011

ALZ023-024-300515-
JEFFERSON AL-TUSCALOOSA AL-
1133 PM CDT TUE MAR 29 2011

...SIGNIFICANT WEATHER ADVISORY FOR JEFFERSON AND NORTHEASTERN
TUSCALOOSA COUNTIES UNTIL 1215 AM CDT...

AT 1133 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES WEST OF BANKHEAD
LOCK AND DAM TO OAK GROVE...AND MOVING NORTHEAST AT 35 MPH.

PEA SIZE HAIL IS EXPECTED WITH THESE STORMS...ALONG WITH FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  HUEYTOWN...
  BESSEMER...
  FAIRFIELD...

&&

LAT...LON 3361 8743 3361 8737 3359 8737 3359 8732
      3352 8732 3352 8727 3355 8719 3360 8719
      3364 8714 3364 8709 3366 8709 3366 8706
      3374 8703 3382 8679 3355 8653 3320 8723
      3355 8761
TIME...MOT...LOC 0433Z 247DEG 31KT 3345 8740 3343 8710

75

Special weather statement, Mar 29, 11:35 PM CDT, 4 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1135 PM CDT TUE MAR 29 2011

ALZ011-013>015-300515-
FAYETTE AL-MARION AL-WALKER AL-WINSTON AL-
1135 PM CDT TUE MAR 29 2011

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN MARION...WINSTON...WALKER
AND EASTERN FAYETTE COUNTIES UNTIL 1215 AM CDT...

AT 1135 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEEDMORE TO BOLEY
SPRINGS...AND MOVING EAST AT 35 MPH. ADDITIONAL STORMS ARE
DEVELOPING IN OTHER PARTS OF THE ADVISORY AREA AND MAY STRENGTHEN.

PEA SIZE HAIL IS EXPECTED WITH THESE STORMS...ALONG WITH FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  JASPER...
  CORDOVA...
  ARLEY...
  DORA...
  SUMITON...

&&

LAT...LON 3431 8712 3394 8710 3392 8708 3389 8708
      3389 8700 3384 8696 3380 8696 3377 8701
      3369 8703 3360 8740 3362 8759 3432 8772
TIME...MOT...LOC 0435Z 255DEG 29KT 3428 8760 3368 8749

75

Special weather statement, Mar 30, 12:05 AM CDT, 3 hours 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1205 AM CDT WED MAR 30 2011

ALZ032-033-039-300545-
HALE AL-MARENGO AL-PERRY AL-
1205 AM CDT WED MAR 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN HALE...WESTERN PERRY AND
NORTHERN MARENGO COUNTIES UNTIL 1245 AM CDT...

AT 1205 AM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR PIN HOOK...OR 6 MILES NORTHWEST OF LINDEN...MOVING
NORTHEAST AT 35 MPH.

PEA SIZE HAIL IS EXPECTED WITH THIS STORM...ALONG WITH FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  DEMOPOLIS...
  UNIONTOWN...
  GREENSBORO...
  MARION...
  CHICKASAW STATE PARK...

&&

LAT...LON 3243 8798 3252 8789 3252 8785 3255 8785
      3254 8781 3259 8778 3257 8776 3259 8774
      3264 8780 3265 8774 3266 8777 3289 8759
      3280 8717 3251 8727 3248 8734 3248 8742
      3245 8742 3226 8789
TIME...MOT...LOC 0505Z 245DEG 32KT 3238 8784

75

Special weather statement, Mar 30, 12:26 AM CDT, 3 hours 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1226 AM CDT WED MAR 30 2011

ALZ017-300600-
BLOUNT AL-
1226 AM CDT WED MAR 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BLOUNT COUNTY UNTIL
100 AM CDT...

AT 1224 AM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM 7 MILES EAST OF CULLMAN...MOVING EAST AT 40 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...
  BLOUNTSVILLE...
  BROOKSVILLE...
  STRAWBERRY...
  MCLARTY...

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 3415 8634 3414 8634 3405 8670 3408 8669
      3409 8670 3410 8666 3413 8663 3413 8660
      3419 8656 3422 8655 3426 8652 3427 8645
TIME...MOT...LOC 0526Z 250DEG 36KT 3415 8669

27

Special weather statement, Mar 30, 1:33 AM CDT, 2 hours 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
133 AM CDT WED MAR 30 2011

ALZ019-021-300715-
CALHOUN AL-CLEBURNE AL-
133 AM CDT WED MAR 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR CALHOUN AND NORTHERN CLEBURNE
COUNTIES UNTIL 215 AM CDT...

AT 128 AM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR BYNUM...OR 7 MILES SOUTHWEST OF COBB TOWN...MOVING
NORTHEAST AT 30 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...
  WEST END-COBB TOWN...
  COBB TOWN...
  OXFORD...
  SAKS...
  ANNISTON...

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 3357 8579 3359 8579 3359 8599 3361 8602
      3362 8601 3366 8604 3396 8557 3395 8553
      3377 8538
TIME...MOT...LOC 0633Z 236DEG 28KT 3361 8593

27

Special weather statement, Mar 30, 3:47 AM 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
Mar 29, 8:10 PM CDT	Special Weather Statement	BMX	Marion	35 min
Mar 29, 9:58 PM CDT	Special Weather Statement	BMX	Pickens	47 min
Mar 29, 10:01 PM CDT	Special Weather Statement	BMX	Greene, Sumter	44 min
Mar 29, 10:12 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens	37 min
Mar 29, 10:42 PM CDT	Special Weather Statement	BMX	Greene, Sumter	48 min
Mar 29, 10:48 PM CDT	Special Weather Statement	BMX	Walker	42 min
Mar 29, 10:49 PM CDT	Special Weather Statement	BMX	Pickens	41 min
Mar 29, 10:52 PM CDT	Special Weather Statement	BMX	Marion	38 min
Mar 29, 11:11 PM CDT	Special Weather Statement	BMX	Marengo	49 min
Mar 29, 11:19 PM CDT	Special Weather Statement	BMX	Walker, Winston	56 min
Mar 29, 11:33 PM CDT	Special Weather Statement	BMX	Jefferson	42 min
Mar 29, 11:35 PM CDT	Special Weather Statement	BMX	Walker, Winston	40 min
Mar 30, 12:05 AM CDT	Special Weather Statement	BMX	Hale, Perry	40 min
Mar 30, 12:26 AM CDT	Special Weather Statement	BMX	Blount	34 min
Mar 30, 12:46 AM CDT	Areal Flood Advisory	BMX	Jefferson	3 hr
Mar 30, 1:33 AM CDT	Special Weather Statement	BMX	Calhoun	42 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.