Alert archive / Alabama / Wind Advisories in 2011
Wind Advisory 16, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Apr 4, 2011, 4:21 AM CDT for 39 counties in Alabama. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2011, 4:21 AM CDT (09:21 UTC)
- Expired
- Apr 5, 2011, 3:59 AM CDT
- In force
- 24 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 09:19 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.4 hours before the alert went out and 198 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
- 3167 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 365 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
473 WWUS74 KBMX 040921 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 421 AM CDT MON APR 4 2011 ...STRONG GUSTY WINDS TODAY... .GRADIENT WINDS WILL INCREASE TODAY AHEAD OF AN APPROACHING COLD FRONT. SOUTH WINDS OF 15 TO 25 MPH WILL BE PREVALENT TODAY ACROSS THE ADVISORY AREA...WITH GUSTS UP TO 40 MPH. ALZ011>015-017>050-042100- /O.NEW.KBMX.WI.Y.0016.110404T0921Z-110405T0300Z/ 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 421 AM CDT MON APR 4 2011 ...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CDT THIS EVENING. STRONG AND GUSTY SOUTH WINDS WILL PREVAIL ACROSS CENTRAL ALABAMA TODAY AND INTO THIS EVENING. THE WINDS ARE DUE TO A PRESSURE GRADIENT AHEAD OF AN APPROACHING STRONG COLD FRONT. SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH ARE LIKELY ACROSS THE ADVISORY AREA. WINDS WILL BE EVEN HIGHER OVER OPEN WATERS AND BOATERS SHOULD STAY CLOSE TO THE SHORELINE IF POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD EXERCISE CAUTION WHILE DRIVING IN THE WIND ADVISORY AREA. ALERT TO SUDDEN GUSTS OF WIND WHICH MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION IF VENTURING ONTO AREA LAKES TODAY. THESE WINDS WILL MAKE OPEN WATERS OF LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS. 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. && $$
3 follow-up statements
642 WWUS74 KBMX 042019 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 319 PM CDT MON APR 4 2011 ...STRONG GUSTY WINDS TODAY... .GRADIENT WINDS WILL INCREASE TODAY AHEAD OF AN APPROACHING COLD FRONT. SOUTH WINDS OF 15 TO 25 MPH WILL BE PREVALENT TODAY ACROSS THE ADVISORY AREA...WITH GUSTS UP TO 40 MPH. ALZ011>015-017>050-050600- /O.EXT.KBMX.WI.Y.0016.000000T0000Z-110405T0600Z/ 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 319 PM CDT MON APR 4 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM CDT TUESDAY... THE WIND ADVISORY IS NOW IN EFFECT UNTIL 1 AM CDT TUESDAY. STRONG AND GUSTY SOUTH WINDS WILL PREVAIL ACROSS CENTRAL ALABAMA THROUGH THIS EVENING. THE WINDS ARE DUE TO A PRESSURE GRADIENT AHEAD OF AN APPROACHING STRONG COLD FRONT. SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH ARE LIKELY ACROSS THE ADVISORY AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD EXERCISE CAUTION WHILE DRIVING IN THE WIND ADVISORY AREA. ALERT TO SUDDEN GUSTS OF WIND WHICH MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION IF VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP SMALLER CRAFT. 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. && $$ 08/MNK
678 WWUS74 KBMX 050452 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 1152 PM CDT MON APR 4 2011 ...STRONG GUSTY WINDS WILL CONTINUE TONIGHT... ALZ011>015-017>050-051100- /O.EXT.KBMX.WI.Y.0016.000000T0000Z-110405T1100Z/ 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 1152 PM CDT MON APR 4 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM CDT TUESDAY... THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 AM CDT TUESDAY. STRONG AND GUSTY NORTHWESTERLY WINDS WILL PREVAIL ACROSS CENTRAL ALABAMA THROUGH THE OVERNIGHT HOURS. SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE LIKELY ACROSS THE ADVISORY AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD EXERCISE CAUTION WHILE DRIVING IN THE WIND ADVISORY AREA. ALERT TO SUDDEN GUSTS OF WIND WHICH MAY CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION IF VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP SMALLER CRAFT. 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. && $$
463 WWUS74 KBMX 050859 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 359 AM CDT TUE APR 5 2011 ALZ011>015-017>050-051000- /O.CAN.KBMX.WI.Y.0016.000000T0000Z-110405T1100Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...TUSCALOOSA... BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER... PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE... LIVINGSTON...EUTAW...GREENSBORO...MOUNDVILLE...MARION... CENTREVILLE...CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE... VALLEY...LANETT...LAFAYETTE...DEMOPOLIS...LINDEN...SELMA... PRATTVILLE...FORT DEPOSIT...HAYNEVILLE...WETUMPKA...TALLASSEE... MONTGOMERY...TUSKEGEE...UNION SPRINGS...AUBURN...OPELIKA... PHENIX CITY...TROY...EUFAULA 359 AM CDT TUE APR 5 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE WIND ADVISORY. GUSTY NORTHWEST WINDS WILL CONTINUE INTO THE MORNING HOURS...BUT SPEEDS WILL STAY BELOW ADVISORY CRITERIA. $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 1:57 PM CDT | Special Weather Statement | BMX | Marion | 48 min |
| Apr 4, 2:48 PM CDT | Special Weather Statement | BMX | Marion | 42 min |
| Apr 4, 3:05 PM CDT | Areal Flood Advisory | BMX | Marion | 115 min |
| Apr 4, 3:27 PM CDT | Special Weather Statement | BMX | Marion | 48 min |
| Apr 4, 3:54 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Lamar, Marion, Pickens | 51 min |
| Apr 4, 3:55 PM CDT | Areal Flood Advisory | BMX | Lamar | 3 hr |
| Apr 4, 4:27 PM CDT | Special Weather Statement | BMX | Marion | 48 min |
| Apr 4, 4:35 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Marion, Walker, Winston | 40 min |
| Apr 4, 4:37 PM CDT | Flash Flood Warning | BMX | Lamar | 3 hr |
| Apr 4, 4:43 PM CDT | Severe Thunderstorm Warning | BMX | Lamar, Pickens | 47 min |
| Apr 4, 4:52 PM CDT | Severe Thunderstorm Warning | BMX | Marion, Winston | 23 min |
| Apr 4, 4:53 PM CDT | Areal Flood Advisory | BMX | Winston | 112 min |
| Apr 4, 5:19 PM CDT | Areal Flood Advisory | BMX | Fayette | 116 min |
| Apr 4, 5:25 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Lamar, Pickens | 50 min |
| Apr 4, 5:27 PM CDT | Special Weather Statement | BMX | Winston | 48 min |
| Apr 4, 5:30 PM CDT | Severe Thunderstorm Warning | BMX | Walker, Winston | 45 min |
| Apr 4, 5:52 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Walker | 53 min |
| Apr 4, 5:56 PM CDT | Areal Flood Advisory | BMX | Pickens | 3 hr |
| Apr 4, 6:04 PM CDT | Areal Flood Advisory | BMX | Walker | 3 hr |
| Apr 4, 6:07 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Pickens, Tuscaloosa, Walker | 38 min |
| Apr 4, 6:16 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Walker, Winston | 44 min |
| Apr 4, 6:18 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Pickens, Sumter, Tuscaloosa | 57 min |
| Apr 4, 6:20 PM CDT | Severe Thunderstorm Warning | BMX | Walker, Winston | 40 min |
| Apr 4, 6:21 PM CDT | Areal Flood Advisory | BMX | Tuscaloosa | 3 hr |
| Apr 4, 6:34 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson, Walker | 41 min |
| Apr 4, 6:40 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Pickens, Sumter, Tuscaloosa | 50 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.