Alert archive / Alabama / Wind Advisories in 2012

Wind Advisory 9, NWS Birmingham, AL

October 28, 201239 counties in Alabama

NWS Birmingham, AL issued this wind advisory at Oct 28, 2012, 3:15 PM CDT for 39 counties in Alabama. It took effect at Oct 29, 2012, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2012, 3:15 PM CDT (20:15 UTC)
In effect from
Oct 29, 2012, 10:00 AM CDT
Expired
Oct 29, 2012, 7:00 PM CDT
In force
9 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 20:18 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, 8.3 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2012-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2012-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

545 
WWUS74 KBMX 282015
NPWBMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BIRMINGHAM AL
315 PM CDT SUN OCT 28 2012

...BREEZY CONDITIONS EXPECTED DURING THE DAY ON MONDAY...

.BREEZY NORTHWEST WINDS ARE EXPECTED ON MONDAY DUE TO A TIGHT
PRESSURE GRADIENT ASSOCIATED WITH THE INTERACTION OF HIGH PRESSURE
TO THE NORTHWEST AND TROPICAL SYSTEM SANDY TO THE NORTHEAST.
NORTHWEST WINDS OF 20 TO 25 MPH WITH GUSTS OF 30 TO 40 MPH CAN BE
EXPECTED FROM AROUND 10 AM THROUGH 7 PM ON MONDAY.

ALZ011>015-017>050-291000-
/O.NEW.KBMX.WI.Y.0009.121029T1500Z-121030T0000Z/
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
315 PM CDT SUN OCT 28 2012

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 7 PM CDT MONDAY. 

* TIMING...LATE MONDAY MORNING THROUGH MONDAY AFTERNOON.

* WINDS...SUSTAINED WINDS OF 20 TO 25 MPH WITH GUSTS UP TO 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 24 MPH AND HIGHER...
OR WIND GUSTS OF 36 MPH AND HIGHER...ARE EXPECTED. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$
2 follow-up statements
167 
WWUS74 KBMX 290817
NPWBMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BIRMINGHAM AL
317 AM CDT MON OCT 29 2012

...BREEZY CONDITIONS EXPECTED TODAY ACROSS THE EASTERN HALF OF
CENTRAL ALABAMA...

.BREEZY NORTHWEST WINDS ARE EXPECTED TODAY DUE TO A TIGHT PRESSURE
GRADIENT ASSOCIATED WITH THE INTERACTION OF HIGH PRESSURE TO THE
NORTHWEST AND TROPICAL SYSTEM SANDY TO THE NORTHEAST. NORTHWEST
WINDS OF 20 TO 25 MPH WITH GUSTS OF 30 TO 40 MPH CAN BE EXPECTED
FROM LATE MORNING UNTIL SUNSET. THE STRONGEST WINDS WILL BE ALONG
AND EAST OF INTERSTATE 65 WITH THE HIGHEST GUSTS IN THE NORTHEAST
AND HIGHER ELEVATIONS.

ALZ011>015-022-023-030>034-039-040-290930-
/O.CAN.KBMX.WI.Y.0009.121029T1500Z-121030T0000Z/
MARION-LAMAR-FAYETTE-WINSTON-WALKER-PICKENS-TUSCALOOSA-SUMTER-
GREENE-HALE-PERRY-BIBB-MARENGO-DALLAS-
INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON...
FAYETTE...DOUBLE SPRINGS...JASPER...CARROLLTON...TUSCALOOSA...
LIVINGSTON...EUTAW...GREENSBORO...MOUNDVILLE...MARION...
CENTREVILLE...DEMOPOLIS...LINDEN...SELMA
317 AM CDT MON OCT 29 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE WIND
ADVISORY FOR THE WESTERN THIRD OF CENTRAL ALABAMA OR THE COUNTIES
WEST OF INTERSTATE 65. COUNTIES ALONG AND EAST OF INTERSTATE 65
REMAIN IN THE WIND ADVISORY.

WINDS WILL STILL BE BRISK IN THE AREAS NOT INCLUDED IN THE ADVISORY... 
BUT SHOULD REMAIN BELOW WIND ADVISORY CRITERIA WITH NORTHWEST
WINDS AT 15 TO 20 MPH WITH GUSTS AROUND 25 TO 30 MPH.

$$

ALZ017>021-024>029-035>038-041>050-291700-
/O.CON.KBMX.WI.Y.0009.121029T1500Z-121030T0000Z/
BLOUNT-ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-JEFFERSON-SHELBY-
ST. CLAIR-TALLADEGA-CLAY-RANDOLPH-CHILTON-COOSA-TALLAPOOSA-
CHAMBERS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-BULLOCK-LEE-
RUSSELL-PIKE-BARBOUR-
INCLUDING THE CITIES OF...ONEONTA...GADSDEN...ANNISTON...CENTRE...
HEFLIN...BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER...
PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE...
CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE...VALLEY...
LANETT...LAFAYETTE...PRATTVILLE...FORT DEPOSIT...HAYNEVILLE...
WETUMPKA...TALLASSEE...MONTGOMERY...TUSKEGEE...UNION SPRINGS...
AUBURN...OPELIKA...PHENIX CITY...TROY...EUFAULA
317 AM CDT MON OCT 29 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT THIS EVENING...

* TIMING...OF THE STRONGEST WINDS WILL BE FROM LATE MORNING
  THROUGH LATE AFTERNOON FOR COUNTIES ALONG AND EAST OF INTERSTATE 65.

* WINDS...WILL BE BRISK WITH SUSTAINED WINDS OF 20 TO 25 MPH AND GUSTS
  UP TO 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 24 MPH AND HIGHER...
OR WIND GUSTS OF 36 MPH AND HIGHER...ARE EXPECTED. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$
091 
WWUS74 KBMX 291658
NPWBMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1158 AM CDT MON OCT 29 2012

...BREEZY CONDITIONS WILL CONTINUE TODAY ACROSS THE EASTERN HALF OF
CENTRAL ALABAMA...

.BREEZY NORTHWEST WINDS WILL CONTINUE TODAY DUE TO A TIGHT
PRESSURE GRADIENT ASSOCIATED WITH THE INTERACTION OF HIGH
PRESSURE TO THE NORTHWEST AND TROPICAL SYSTEM SANDY TO THE
NORTHEAST. NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS OF 30
MPH CAN BE EXPECTED THROUGH SUNSET. THE STRONGEST
WINDS WILL BE ALONG AND EAST OF INTERSTATE 65 WITH THE HIGHEST
GUSTS IN THE NORTHEAST AND HIGHER ELEVATIONS.

ALZ017>021-024>029-035>038-041>050-300000-
/O.CON.KBMX.WI.Y.0009.000000T0000Z-121030T0000Z/
BLOUNT-ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-JEFFERSON-SHELBY-
ST. CLAIR-TALLADEGA-CLAY-RANDOLPH-CHILTON-COOSA-TALLAPOOSA-
CHAMBERS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-BULLOCK-LEE-
RUSSELL-PIKE-BARBOUR-
INCLUDING THE CITIES OF...ONEONTA...GADSDEN...ANNISTON...CENTRE...
HEFLIN...BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER...
PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE...
CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE...VALLEY...
LANETT...LAFAYETTE...PRATTVILLE...FORT DEPOSIT...HAYNEVILLE...
WETUMPKA...TALLASSEE...MONTGOMERY...TUSKEGEE...UNION SPRINGS...
AUBURN...OPELIKA...PHENIX CITY...TROY...EUFAULA
1158 AM CDT MON OCT 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* TIMING...OF THE STRONGEST WINDS WILL BE THROUGH LATE AFTERNOON
  FOR COUNTIES ALONG AND EAST OF INTERSTATE 65.

* WINDS...WILL BE BRISK WITH SUSTAINED WINDS OF 15 TO 25 MPH AND
  GUSTS UP TO 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 24 MPH AND HIGHER...
OR WIND GUSTS OF 36 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.

IssuedProductOfficeCountiesLasted
Oct 28, 5:14 AM CDTFire Weather WatchBMXAutauga, Barbour, Bullock, Chambers, Elmore, Lee and 6 more10 hr
Oct 28, 2:46 PM CDTRed Flag WarningBMXAutauga, Barbour, Bullock, Chambers, Elmore, Lee and 6 more27 hr
Oct 28, 2:46 PM CDTRed Flag WarningBMXAutauga, Barbour, Bullock, Chambers, Elmore, Lee and 6 more51 hr

Nearby

Wind Advisories in Alabama, 2012Every wind advisory in 2012

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.