Alert archive / Alabama / Wind Advisories in 2009
Wind Advisory 13, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Dec 23, 2009, 2:46 PM CST for 39 counties in Alabama. It took effect at Dec 24, 2009, 6:00 AM CST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2009, 2:46 PM CST (20:46 UTC)
- In effect from
- Dec 24, 2009, 6:00 AM CST
- Expired
- Dec 25, 2009, 3:00 AM CST
- In force
- 21 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 20:49 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, 8.8 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
- 1227 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS74 KBMX 232046 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 246 PM CST WED DEC 23 2009 ...STRONG GUSTY WINDS LIKELY ON THURSDAY... .A STRENGTHENING LOW PRESSURE SYSTEM TO THE WEST OF CENTRAL ALABAMA WILL CAUSE A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA ON THURSDAY. THIS TIGHT GRADIENT WILL INITIALLY CREATE SUSTAINED WINDS BETWEEN 10 AND 15 MPH WITH HIGHER GUSTS BEGINNING BY 6 AM THURSDAY. SUSTAINED WINDS WILL INCREASE TO 20 TO 25 MPH BY NOON ON THURSDAY WITH GUSTS OF 35 TO 40 MPH LASTING THROUGH MIDNIGHT FRIDAY. ALZ011>015-017>050-241215- /O.NEW.KBMX.WI.Y.0013.091224T1200Z-091225T0600Z/ 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 246 PM CST WED DEC 23 2009 ...WIND ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. A STRENGTHENING LOW PRESSURE SYSTEM TO THE WEST OF ALABAMA WILL CAUSE A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA ON THURSDAY. THIS TIGHT GRADIENT WILL INITIALLY CREATE SUSTAINED WINDS BETWEEN 10 AND 15 MPH WITH HIGHER GUSTS BEGINNING BY 6 AM THURSDAY. SUSTAINED WINDS WILL INCREASE TO 20 TO 25 MPH BY NOON ON THURSDAY WITH GUSTS OF 35 TO 40 MPH LASTING THROUGH MIDNIGHT FRIDAY. THE BIGGEST CONCERN WITH THESE WINDS IS THE FACT THAT THEY ARE GOING TO ON CHRISTMAS EVE. HIGH VOLUMES OF TRAFFIC COULD BE IMPACTED...ESPECIALLY TRAFFIC ON WEST-TO-EAST ORIENTED ROADS AS HIGH PROFILE VEHICLE COULD BE PRESENTED WITH STRONG CROSS WINDS. OTHER CONCERNS INCLUDE ANY LOOSE YARD FURNITURE...TRASH CANS AND HOLIDAY DECORATIONS THAT WILL EASILY BE BLOWN AROUND IF NOT PROPERLY SECURED...AS WELL AS THE CHANCE OF POWER OUTAGES IF DOWNED TREES HAPPEN TO FALL ON POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 17 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. && $$ 27
3 follow-up statements
000 WWUS74 KBMX 241056 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 456 AM CST THU DEC 24 2009 ...STRONG GUSTY WINDS TODAY AND TONIGHT... .A STRENGTHENING LOW PRESSURE SYSTEM TO THE WEST OF CENTRAL ALABAMA WILL CAUSE A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA TODAY. THIS TIGHT GRADIENT WILL CREATE SUSTAINED WINDS BETWEEN 10 AND 20 MPH WITH HIGHER GUSTS BEGINNING THIS MORNING. SUSTAINED WINDS WILL INCREASE TO 20 TO 25 MPH THIS AFTERNOON WITH GUSTS OF 35 TO 40 MPH LASTING THROUGH MIDNIGHT TONIGHT. ALZ011>015-017>050-241700- /O.CON.KBMX.WI.Y.0013.091224T1200Z-091225T0600Z/ 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 456 AM CST THU DEC 24 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A STRENGTHENING LOW PRESSURE SYSTEM TO THE WEST OF ALABAMA WILL CAUSE A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA TODAY AND TONIGHT. THIS TIGHT GRADIENT WILL CREATE SUSTAINED WINDS BETWEEN 10 AND 20 MPH WITH HIGHER GUSTS THIS MORNING. SUSTAINED WINDS WILL INCREASE TO 20 TO 25 MPH THIS AFTERNOON WITH GUSTS OF 35 TO 40 MPH...AND LASTING THROUGH MIDNIGHT TONIGHT. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE AT HIGHER ELEVATIONS. HIGH VOLUMES OF TRAFFIC ARE EXPECTED ACROSS AREA ROADWAYS TODAY. THOSE TRAVELING ON EAST TO WEST ORIENTED ROADS AND BRIDGES COULD ENCOUNTER STRONG CROSS WINDS. HIGH PROFILE VEHICLES SHOULD TAKE EXTRA CAUTION. OTHER CONCERNS INCLUDE ANY LOOSE YARD FURNITURE...TRASH CANS AND HOLIDAY DECORATIONS THAT WILL EASILY BE BLOWN AROUND IF NOT PROPERLY SECURED...AS WELL AS THE CHANCE OF POWER OUTAGES IF DOWNED TREES HAPPEN TO FALL ON POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 17 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. && $$
000 WWUS74 KBMX 241536 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 936 AM CST THU DEC 24 2009 ...STRONG GUSTY WINDS TODAY AND TONIGHT... .A STRENGTHENING LOW PRESSURE SYSTEM TO THE WEST OF ALABAMA WILL CAUSE A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA TODAY. THIS TIGHT GRADIENT HAS ALREADY CREATED SUSTAINED WINDS BETWEEN 10 AND 20 MPH WITH HIGHER GUSTS TODAY. SUSTAINED WINDS WILL INCREASE TO 20 TO 25 MPH THIS AFTERNOON WITH GUSTS OF 35 TO 40 MPH LASTING THROUGH MIDNIGHT TONIGHT. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE AT HIGHER ELEVATIONS. ALZ011>015-017>050-242200- /O.CON.KBMX.WI.Y.0013.000000T0000Z-091225T0600Z/ 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 936 AM CST THU DEC 24 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A STRENGTHENING LOW PRESSURE SYSTEM TO THE WEST OF ALABAMA WILL CAUSE A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA TODAY. THIS TIGHT GRADIENT HAS ALREADY CREATED SUSTAINED WINDS BETWEEN 10 AND 20 MPH WITH HIGHER GUSTS TODAY. SUSTAINED WINDS WILL INCREASE TO 20 TO 25 MPH THIS AFTERNOON WITH GUSTS OF 35 TO 40 MPH LASTING THROUGH MIDNIGHT TONIGHT. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE AT HIGHER ELEVATIONS. HIGH VOLUMES OF TRAFFIC ARE EXPECTED ACROSS AREA ROADWAYS TODAY. THOSE TRAVELING ON EAST TO WEST ORIENTED ROADS AND BRIDGES COULD ENCOUNTER STRONG CROSS WINDS. HIGH PROFILE VEHICLES SHOULD TAKE EXTRA CAUTION. OTHER CONCERNS INCLUDE ANY LOOSE YARD FURNITURE...TRASH CANS AND HOLIDAY DECORATIONS THAT WILL EASILY BE BLOWN AROUND IF NOT PROPERLY SECURED...AS WELL AS THE CHANCE OF POWER OUTAGES IF DOWNED TREES HAPPEN TO FALL ON POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 17 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. && $$
000 WWUS74 KBMX 242024 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 224 PM CST THU DEC 24 2009 ...STRONG GUSTY WINDS TONIGHT... .A STRONG LOW PRESSURE SYSTEM JUST TO THE WEST OF ALABAMA HAS CAUSED A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA. THIS TIGHT GRADIENT HAS ALREADY PRODUCED SUSTAINED WINDS BETWEEN 20 AND 30 MPH WITH GUSTS OF 35 TO 45 MPH...AND SOME WIND GUSTS OF UP TO 50 MPH AT HIGHER ELEVATIONS. THESE WINDS SHOULD BEGIN TO SUBSIDE AFTER MIDNIGHT...BUT WILL REMAIN WITHIN WIND ADVISORY CRITERIA THROUGH 3 AM. ALZ011>015-017>050-250900- /O.EXT.KBMX.WI.Y.0013.000000T0000Z-091225T0900Z/ 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 224 PM CST THU DEC 24 2009 ...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM CST FRIDAY... THE WIND ADVISORY IS NOW IN EFFECT UNTIL 3 AM CST FRIDAY. A STRONG LOW PRESSURE SYSTEM JUST TO THE WEST OF ALABAMA HAS CAUSED A TIGHT PRESSURE GRADIENT ACROSS CENTRAL ALABAMA. THIS TIGHT GRADIENT HAS ALREADY PRODUCED SUSTAINED WINDS BETWEEN 20 AND 30 MPH WITH GUSTS OF 35 TO 45 MPH...AND SOME WIND GUSTS OF UP TO 50 MPH AT HIGHER ELEVATIONS. THESE WINDS SHOULD BEGIN TO SUBSIDE AFTER MIDNIGHT...BUT WILL REMAIN WITHIN WIND ADVISORY CRITERIA THROUGH 3 AM. HIGH VOLUMES OF TRAFFIC ARE EXPECTED ACROSS AREA ROADWAYS THIS EVENING. THOSE TRAVELING ON EAST TO WEST ORIENTED ROADS AND BRIDGES COULD ENCOUNTER STRONG CROSS WINDS. HIGH PROFILE VEHICLES SHOULD TAKE EXTRA CAUTION. OTHER CONCERNS INCLUDE ANY LOOSE YARD FURNITURE...TRASH CANS AND HOLIDAY DECORATIONS THAT WILL EASILY BE BLOWN AROUND IF NOT PROPERLY SECURED...AS WELL AS THE CHANCE OF POWER OUTAGES IF DOWNED TREES HAPPEN TO FALL ON POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 17 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. && $$ 27
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.