Alert archive / Alabama / Wind Advisories in 2015
Wind Advisory 3, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Feb 18, 2015, 3:05 AM CST for 39 counties in Alabama. It took effect at Feb 18, 2015, 10:00 AM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2015, 3:05 AM CST (09:05 UTC)
- In effect from
- Feb 18, 2015, 10:00 AM CST
- Expired
- Feb 18, 2015, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Birmingham, AL
All 39 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens 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, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 22 km from the middle of the area, began a volume at 09:11 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, 9.1 hours before the alert went out and 23 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
- 1238 m above ground
- 0-6 km bulk shear
- 106 kt
- 0-1 km storm-relative helicity
- -159 m²/s²
- 0-3 km storm-relative helicity
- -89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
909 WWUS74 KBMX 180905 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 305 AM CST WED FEB 18 2015 ...BITTERLY COLD TEMPERATURES EXPECTED ACROSS CENTRAL ALABAMA... .AN ARCTIC AIR MASS WILL BRING VERY COLD READINGS TO CENTRAL ALABAMA TONIGHT INTO THURSDAY MORNING. ALZ011>015-017>050-190100- /O.NEW.KBMX.WI.Y.0003.150218T1600Z-150219T0000Z/ /O.CON.KBMX.HZ.W.0002.150219T0600Z-150219T1600Z/ 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- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...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 305 AM CST WED FEB 18 2015 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING... ...HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING. A HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY * TIMING...FOR THE WIND ADVISORY WILL BE THIS AFTERNOON. TIMING FOR THE HARD FREEZE WARNING WILL BE FOR THE OVERNIGHT PERIOD THROUGH THURSDAY MORNING. * WINDS...WILL BE SUSTAINED AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH AT TIMES. * TEMPERATURES...WILL RANGE FROM THE SINGLE DIGITS NORTH OF BIRMINGHAM TO NEAR 20 DEGREES MONTGOMERY SOUTHWARD. * IMPACTS...FROM PROLONGED EXPOSURE TO THESE CONDITIONS CAN LEAD TO HYPOTHERMIA AND FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HARD FREEZE WATCH MEANS CONDITIONS ARE FAVORABLE FOR FORECAST TEMPERATURES TO DROP TO 15 DEGREES OR LOWER WITHIN THE NEXT 48 HOURS. LISTEN FOR LATER FORECASTS AND A POSSIBLE HARD FREEZE WARNING. THE COMBINATION OF COLD TEMPERATURES AND WIND CAN LEAD TO HYPOTHERMIA AND FROSTBITE. WEAR LAYERED CLOTHING AND COVER EXPOSED SKIN. COVER YOUR HEAD WITH A HAT. OUTDOOR PETS SHOULD BE PROVIDED A WARM PLACE TO SHELTER. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 1:25 AM CST | Hard Freeze Warning | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 33 hr |
| Feb 18, 3:17 AM CST | Wind Chill Advisory | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 10 more | 31 hr |
| Feb 18, 3:49 AM CST | Fire Weather Watch | BMX | Autauga, Barbour, Bibb, Bullock, Calhoun, Chambers and 28 more | 17 hr |
| Feb 18, 3:49 AM CST | Red Flag Warning | BMX | Autauga, Barbour, Bibb, Bullock, Calhoun, Chambers and 25 more | 9 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.