Alert archive / Alabama / Wind Advisories in 2011
Wind Advisory 24, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Dec 27, 2011, 3:51 AM CST for 27 counties in Alabama. It took effect at Dec 27, 2011, 8:00 AM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2011, 3:51 AM CST (09:51 UTC)
- In effect from
- Dec 27, 2011, 8:00 AM CST
- Expired
- Dec 27, 2011, 2:41 PM CST
- In force
- 7 hr
- Issued by
- NWS Birmingham, AL
All 27 counties
Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Macon County, AL, Marion County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 38 km from the middle of the area, began a volume at 09:55 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 9.9 hours before the alert went out and 38 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 962 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 591 m²/s²
- 0-3 km storm-relative helicity
- 700 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
132 WWUS74 KBMX 270951 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 351 AM CST TUE DEC 27 2011 ...WINDS EXPECTED TO BE GUSTY ACROSS CENTRAL ALABAMA TODAY... .A TIGHTENING SURFACE PRESSURE GRADIENT BEHIND THIS MORNINGS FRONT WILL CAUSE WINDS TO GUST UP TO 30 TO 35 MPH TODAY. ALZ011>015-017>021-023>029-034>038-041-043-045-047-048-280000- /O.NEW.KBMX.WI.Y.0024.111227T1400Z-111228T0000Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA- CLAY-RANDOLPH-BIBB-CHILTON-COOSA-TALLAPOOSA-CHAMBERS-AUTAUGA- ELMORE-MACON-LEE-RUSSELL- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...TUSCALOOSA...BIRMINGHAM...HOOVER... COLUMBIANA...PELHAM...ALABASTER...PELL CITY...MOODY...TALLADEGA... SYLACAUGA...ASHLAND...ROANOKE...CENTREVILLE...CLANTON... ROCKFORD...ALEXANDER CITY...DADEVILLE...VALLEY...LANETT... LAFAYETTE...PRATTVILLE...WETUMPKA...TALLASSEE...TUSKEGEE... AUBURN...OPELIKA...PHENIX CITY 351 AM CST TUE DEC 27 2011 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST THIS EVENING. * TIMING...BEGINNING EARLY THIS MORNING...THEN DIMINISHING LATE THIS AFTERNOON. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * LOCATIONS...NORTH OF THE INTERSTATE 85-US HIGHWAY 80 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 MPH AND HIGHER... OR WIND GUSTS OF 30 MPH AND HIGHER...ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
1 follow-up statement
962 WWUS74 KBMX 272041 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 241 PM CST TUE DEC 27 2011 ...WIND ADVISORY HAS BEEN CANCELLED... .ALTHOUGH WINDS MAY REMAIN GUSTY FOR THE NEXT FEW HOURS GUSTS WILL STAY BELOW WIND ADVISORY CRITERIA. WESTERLY WINDS COULD CONTINUE TO GUST TO 25 MPH THROUGH 6 PM. ALZ011>015-017>021-023>029-034>038-041-043-045-047-048-272145- /O.CAN.KBMX.WI.Y.0024.000000T0000Z-111228T0000Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA- CLAY-RANDOLPH-BIBB-CHILTON-COOSA-TALLAPOOSA-CHAMBERS-AUTAUGA- ELMORE-MACON-LEE-RUSSELL- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...TUSCALOOSA...BIRMINGHAM...HOOVER... COLUMBIANA...PELHAM...ALABASTER...PELL CITY...MOODY...TALLADEGA... SYLACAUGA...ASHLAND...ROANOKE...CENTREVILLE...CLANTON... ROCKFORD...ALEXANDER CITY...DADEVILLE...VALLEY...LANETT... LAFAYETTE...PRATTVILLE...WETUMPKA...TALLASSEE...TUSKEGEE... AUBURN...OPELIKA...PHENIX CITY 241 PM CST TUE DEC 27 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE WIND ADVISORY. $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 27, 11:24 AM CST | River Flood Warning | BMX | Greene, Hale, Marengo | 22 hr |
Nearby
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; radar from the NEXRAD Level II archive.