Alert archive / Alabama / Wind Advisories in 2011
Wind Advisory 10, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Mar 5, 2011, 6:39 AM CST for 30 counties in Alabama. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 5, 2011, 6:39 AM CST (12:39 UTC)
- Expired
- Mar 5, 2011, 12:00 PM CST
- In force
- 5 hr
- Issued by
- NWS Birmingham, AL
All 30 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL
The radar
The Birmingham radar (KBMX), 54 km from the middle of the area, began a volume at 12:42 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 12:00Z, 0.7 hours before the alert went out and 55 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
- 447 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
817 WWUS74 KBMX 051239 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 639 AM CST SAT MAR 5 2011 ...STRONG WINDS POSSIBLE FOR PORTIONS OF CENTRAL ALABAMA THIS MORNING... .WINDS HAVE PICKED UP ON THE BACKSIDE OF A RAIN SHIELD MOVING THROUGH CENTRAL ALABAMA...POSSIBLY DUE TO A DEVELOPING GRAVITY WAVE. LOOK FOR SUSTAINED WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS POSSIBLE THROUGH NOON AS THE RAIN MOVES EAST THROUGH THE AREA. ALZ019-021-023>050-051800- /O.NEW.KBMX.WI.Y.0010.110305T1239Z-110305T1800Z/ CALHOUN-CLEBURNE-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- INCLUDING THE CITIES OF...ANNISTON...HEFLIN...TUSCALOOSA... BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER... PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE... LIVINGSTON...EUTAW...GREENSBORO...MOUNDVILLE...MARION... CENTREVILLE...CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE... VALLEY...LANETT...LAFAYETTE...DEMOPOLIS...LINDEN...SELMA... PRATTVILLE...FORT DEPOSIT...HAYNEVILLE...WETUMPKA...TALLASSEE... MONTGOMERY...TUSKEGEE...UNION SPRINGS...AUBURN...OPELIKA... PHENIX CITY...TROY...EUFAULA 639 AM CST SAT MAR 5 2011 ...WIND ADVISORY IN EFFECT UNTIL NOON CST TODAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. BREEZY CONDITIONS ARE IN STORE FOR PORTIONS OF CENTRAL ALABAMA THIS MORNING. AREAS GENERALLY ALONG AND SOUTH OF THE INTERSTATE 20 CORRIDOR MAY SEE A BRIEF PERIOD OF STRONG WINDS BETWEEN 15 TO 25 MPH WITH HIGHER GUSTS. THE STRONGEST WINDS WILL BE ON THE BACKSIDE OF THE RAIN SHIELD MOVING THROUGH THE AREA. 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. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 2:46 PM CST | Areal Flood Advisory | BMX | Greene, Hale, Marengo, Sumter | 3 hr |
| Mar 5, 4:52 PM CST | Special Weather Statement | BMX | Hale, Perry | 38 min |
| Mar 5, 5:46 PM CST | Areal Flood Advisory | BMX | Greene, Hale, Marengo, Sumter | 119 min |
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.