Alert archive / Alabama / Special Weather Statements in 2011

Special Weather Statement, NWS Birmingham, AL

July 14, 2011Cleburne County, Alabama

NWS Birmingham, AL issued this special weather statement at Jul 14, 2011, 8:27 PM CDT for Cleburne County, Alabama. It was in force for 33 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: Jul 14, 2011, 8:27 PM CDT (01:27 UTC)
Expired: Jul 14, 2011, 9:00 PM CDT
In force: 33 min
Issued by: NWS Birmingham, AL

County Cleburne County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.5 hours before the alert went out and 106 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: 1967 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1274 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: -22 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 Jul 14, 6:22 PM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 14, 6:22 PM CDT, 2 hours 5 minutes before

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Hazardous weather outlook, Jul 14, 12:00 PM CDT, 8 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1200 PM CDT THU JUL 14 2011

ALZ011>015-017>050-151659-
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-
1200 PM CDT THU JUL 14 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS
AFTERNOON. THE BEST CHANCES FOR ISOLATED STRONG TO SEVERE STORMS
ARE POSSIBLE THROUGH 9 PM. THE STORMS WILL BE CAPABLE OF PRODUCING
LOCALLY HEAVY RAIN AND WIND GUSTS OF 40 TO 60 MPH. HEAVY RAINFALL
MAY ALSO RESULT IN LOCALIZED FLOODING.

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

ISOLATED STRONG TO SEVERE STORMS ARE POSSIBLE AGAIN ON FRIDAY...
MAINLY BETWEEN 2 PM AND 9 PM. THE STORMS WILL BE CAPABLE OF PRODUCING
LOCALLY HEAVY RAIN AND WIND GUSTS OF 40 TO 60 MPH.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Jul 14, 3:21 PM CDT, 5 hours 6 minutes before

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Special weather statement, Jul 14, 3:28 PM CDT, 4 hours 59 minutes before

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Local storm report, Jul 14, 3:55 PM CDT, 4 hours 32 minutes before

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Special weather statement, Jul 14, 4:02 PM CDT, 4 hours 25 minutes before

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Local storm report, Jul 14, 4:38 PM CDT, 3 hours 49 minutes before

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Special weather statement, Jul 14, 5:35 PM CDT, 2 hours 52 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
Jul 14, 7:50 PM CDT	Special Weather Statement	BMX	Cleburne, Randolph	40 min
Jul 14, 9:30 PM CDT	Flash Flood Warning	BMX	Cherokee	3 hr
Jul 14, 9:46 PM CDT	Flash Flood Warning	BMX	Etowah	3 hr
Jul 14, 9:56 PM CDT	Flash Flood Warning	BMX	Calhoun	82 min
Jul 15, 12:29 AM CDT	Flash Flood Warning	BMX	Calhoun, Etowah, St. Clair	3 hr
Jul 15, 12:46 AM CDT	Areal Flood Advisory	BMX	Calhoun, Cleburne, St. Clair, Talladega	119 min
Jul 15, 12:22 PM CDT	Areal Flood Advisory	BMX	Elmore, Macon, Montgomery	113 min
Jul 15, 2:19 PM CDT	Areal Flood Advisory	BMX	Bullock, Montgomery, Pike	116 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.