Alert archive / Alabama / Special Weather Statements in 2013

Special Weather Statement, NWS Birmingham, AL

March 23, 2013Barbour County, Alabama

NWS Birmingham, AL issued this special weather statement at Mar 23, 2013, 4:03 PM CDT for Barbour County, Alabama. It was in force for 42 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 23, 2013, 4:03 PM CDT (21:03 UTC)
Expired
Mar 23, 2013, 4:45 PM CDT
In force
42 min
Issued by
NWS Birmingham, AL

County Barbour County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.1 hours before the alert went out and 179 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, Peachtre/Fal Fld, GA at 12:00Z on 2013-03-23Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2013-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 403 square meters per square second.1939587897Sfc1 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
1037 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
403 m²/s²
0-3 km storm-relative helicity
424 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

417 
WWUS84 KBMX 232103
SPSBMX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
403 PM CDT SAT MAR 23 2013

ALZ050-232145-
BARBOUR AL-
403 PM CDT SAT MAR 23 2013

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BARBOUR COUNTY UNTIL 445
PM CDT...

AT 358 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM 6 MILES EAST OF BANKS...OR 7 MILES NORTHEAST OF
BRUNDIDGE...MOVING EAST AT 50 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  EUFAULA...
  BOOT HILL...
  LOUISVILLE...
  CLAYTON...
  BARBOUR COUNTY PUBLIC LAKE DAM...

THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.


&&

LAT...LON 3200 8506 3197 8506 3189 8513 3178 8513
      3175 8569 3178 8566 3180 8567 3186 8567
      3192 8564 3207 8510 3206 8505 3201 8505
TIME...MOT...LOC 2103Z 260DEG 44KT 3181 8567

$$

61

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 2:54 AM CDTSpecial Weather StatementBMXMarion51 min
Mar 23, 5:22 AM CDTAreal Flood AdvisoryBMXLamar3 hr
Mar 23, 5:34 AM CDTFlash Flood WarningBMXLamar3 hr
Mar 23, 5:55 AM CDTSpecial Weather StatementBMXFayette, Pickens, Tuscaloosa50 min
Mar 23, 6:47 AM CDTAreal Flood AdvisoryBMXJefferson3 hr
Mar 23, 6:47 AM CDTSpecial Weather StatementBMXBibb, Chilton, Jefferson, Shelby58 min
Mar 23, 6:51 AM CDTAreal Flood AdvisoryBMXSt. Clair3 hr
Mar 23, 7:25 AM CDTSpecial Weather StatementBMXCoosa65 min
Mar 23, 7:54 AM CDTSpecial Weather StatementBMXTallapoosa51 min
Mar 23, 3:36 PM CDTSpecial Weather StatementBMXPike39 min
Mar 23, 6:23 PM CDTSevere Thunderstorm WarningBMXSumter52 min
Mar 23, 6:26 PM CDTSpecial Weather StatementBMXPickens34 min
Mar 23, 6:58 PM CDTSevere Thunderstorm WarningBMXGreene, Hale, Marengo62 min

Nearby

Special Weather Statements in Alabama, 2013Every special weather statement in 2013

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.