Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Birmingham, AL

March 22, 2012Bullock County, Alabama

NWS Birmingham, AL issued this special weather statement at Mar 22, 2012, 5:05 PM CDT for Bullock County, Alabama. It was in force for 40 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 22, 2012, 5:05 PM CDT (22:05 UTC)
Expired
Mar 22, 2012, 5:45 PM CDT
In force
40 min
Issued by
NWS Birmingham, AL

County Bullock County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.1 hours before the alert went out and 151 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2012-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
182 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 22, 3:16 PM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Mar 22, 3:16 PM CDT, 1 hour 49 minutes before
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Hazardous weather outlook, Mar 22, 1:12 PM CDT, 3 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
112 PM CDT THU MAR 22 2012

ALZ011>015-017>050-231800-
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-
112 PM CDT THU MAR 22 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SEVERE THUNDERSTORMS ARE POSSIBLE ON FRIDAY...ROUGHLY ALONG AND EAST
OF A LINE FROM JASPER TO TUSCALOOSA TO DEMOPOLIS. THE BEST CHANCE FOR
SEVERE THUNDERSTORMS WILL BE FROM NOON UNTIL 8 PM FRIDAY. THE MAIN
THREATS WILL BE DAMAGING WINDS AND LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BE
NEEDED FRIDAY.

In the hours before

Special weather statement, Mar 22, 11:10 AM CDT, 5 hours 55 minutes before
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Special weather statement, Mar 22, 12:15 PM CDT, 4 hours 50 minutes before
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Special weather statement, Mar 22, 4:46 PM CDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
446 PM CDT THU MAR 22 2012

ALZ040-222215-
DALLAS AL-
446 PM CDT THU MAR 22 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DALLAS COUNTY UNTIL 515
PM CDT...

AT 444 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR CAMDEN...MOVING NORTHEAST AT 25 MPH.

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

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  FIVE POINTS...
  DALLAS LAKE...
  BELKNAP...
  ORRVILLE...
  OLD CAHABA PARK...

&&

LAT...LON 3204 8717 3209 8721 3210 8724 3211 8724
      3212 8726 3214 8726 3214 8728 3217 8731
      3238 8724 3225 8696 3204 8712
TIME...MOT...LOC 2147Z 205DEG 24KT 3203 8725

27
Special weather statement, Mar 22, 5:05 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
505 PM CDT THU MAR 22 2012

ALZ046-049-222245-
BULLOCK AL-PIKE AL-
505 PM CDT THU MAR 22 2012

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN PIKE AND WESTERN BULLOCK
COUNTIES UNTIL 545 PM CDT...

AT 505 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR LINWOOD...OR 9 MILES NORTH OF TROY...MOVING NORTH
AT 20 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...
  BEANS CROSSROADS...
  SHOPTON...
  FRANKLIN FIELD...
  CHINA GROVE...
  HIGH RIDGE...

&&

LAT...LON 3191 8602 3197 8600 3222 8600 3220 8578
      3189 8587
TIME...MOT...LOC 2205Z 186DEG 18KT 3196 8594

27

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 10:14 AM CDTAreal Flood AdvisoryBMXSumter3 hr
Mar 22, 11:10 AM CDTSpecial Weather StatementBMXMarengo65 min
Mar 22, 12:15 PM CDTSpecial Weather StatementBMXGreene, Hale, Marengo, Perry, Pickens, Tuscaloosa45 min
Mar 22, 1:57 PM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Pickens, Sumter30 hr
Mar 22, 2:16 PM CDTAreal Flood AdvisoryBMXGreene, Marengo, Sumter3 hr
Mar 22, 4:17 PM CDTRiver Flood WarningBMXSumter18 hr
Mar 22, 4:46 PM CDTSpecial Weather StatementBMXDallas29 min

Nearby

Special Weather Statements in Alabama, 2012Every 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.