Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Birmingham, AL

May 13, 2012Lee County, Alabama

NWS Birmingham, AL issued this special weather statement at May 13, 2012, 6:03 PM CDT for Lee County, Alabama. It was in force for 27 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: May 13, 2012, 6:03 PM CDT (23:03 UTC)
Expired: May 13, 2012, 6:30 PM CDT
In force: 27 min
Issued by: NWS Birmingham, AL

County Lee County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 111 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 405 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 May 13, 3:16 PM CDT, 2 hours 47 minutes earlier.

Area forecast discussion, May 13, 3:16 PM CDT, 2 hours 47 minutes before

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Hazardous weather outlook, May 13, 12:32 PM CDT, 5 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1232 PM CDT SUN MAY 13 2012

ALZ011>015-017>050-141745-
MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN-CHEROKEE-
CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA-
CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA-TALLAPOOSA-
CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-
BULLOCK-LEE-RUSSELL-PIKE-BARBOUR-
1232 PM CDT SUN MAY 13 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...MONDAY THROUGH SATURDAY.

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, May 13, 4:27 PM CDT, 1 hour 36 minutes before

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Special weather statement, May 13, 4:57 PM CDT, 1 hour 6 minutes before

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Special weather statement, May 13, 5:05 PM CDT, 58 minutes before

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Special weather statement, May 13, 5:15 PM CDT, 48 minutes before

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Local storm report, May 13, 5:35 PM CDT, 28 minutes before

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Special weather statement, May 13, 6:03 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
May 12, 7:42 PM CDT	Areal Flood Advisory	BMX	Greene, Sumter	2 hr
May 12, 8:36 PM CDT	Areal Flood Advisory	BMX	Greene, Sumter	114 min
May 13, 12:59 PM CDT	Special Weather Statement	BMX	Pike	46 min
May 13, 1:47 PM CDT	Special Weather Statement	BMX	Montgomery	43 min
May 13, 2:00 PM CDT	Tornado Warning	BMX	Chambers, Lee, Tallapoosa	20 min
May 13, 2:27 PM CDT	Special Weather Statement	BMX	Chambers	48 min
May 13, 3:01 PM CDT	Special Weather Statement	BMX	Barbour	44 min
May 13, 3:03 PM CDT	Special Weather Statement	BMX	Macon	42 min
May 13, 3:45 PM CDT	Special Weather Statement	BMX	Lee	45 min
May 13, 3:48 PM CDT	Special Weather Statement	BMX	Tallapoosa	42 min
May 13, 4:15 PM CDT	Special Weather Statement	BMX	Bullock	45 min
May 13, 4:16 PM CDT	Special Weather Statement	BMX	Barbour	44 min
May 13, 4:20 PM CDT	Special Weather Statement	BMX	Lee	40 min
May 13, 4:27 PM CDT	Special Weather Statement	BMX	Tallapoosa	48 min
May 13, 5:05 PM CDT	Special Weather Statement	BMX	Lee	40 min
May 13, 5:15 PM CDT	Special Weather Statement	BMX	Chambers	45 min
May 13, 6:23 PM CDT	Areal Flood Advisory	BMX	Blount	52 min
May 13, 6:43 PM CDT	Areal Flood Advisory	BMX	Montgomery	62 min
May 13, 6:51 PM CDT	Areal Flood Advisory	BMX	Lee, Russell	114 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.