Alert archive / Alabama / Frost Advisories in 2012
Frost Advisory 4, NWS Birmingham, AL
NWS Birmingham, AL issued this frost advisory at Nov 13, 2012, 2:20 PM CST for 18 counties in Alabama. It took effect at Nov 14, 2012, 2:00 AM CST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Nov 13, 2012, 2:20 PM CST (20:20 UTC)
- In effect from
- Nov 14, 2012, 2:00 AM CST
- Expired
- Nov 14, 2012, 8:00 AM CST
- In force
- 6 hr
- Issued by
- NWS Birmingham, AL
Counties Autauga County, AL, Bibb County, AL, Chambers County, AL, Chilton County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Lowndes County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Sumter County, AL, Tallapoosa County, AL
The radar
The Birmingham radar (KBMX), 58 km from the middle of the area, began a volume at 20:20 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 59 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
- 1878 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
126 WWUS74 KBMX 132020 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 220 PM CST TUE NOV 13 2012 ...COLD TEMPERATURES ONCE AGAIN ACROSS PORTIONS OF CENTRAL ALABAMA... .A COLD AIRMASS WILL REMAIN IN PLACE ACROSS CENTRAL ALABAMA. TEMPERATURES ACROSS THE NORTHERN PORTIONS OF THE AREA OVERNIGHT AND INTO WEDNESDAY MORNING...ESPECIALLY IN RURAL AREAS...AND LOCATIONS ALONG AND NORTH OF A REFORM...TO ALABASTER...TO HEFLIN LINE. HOWEVER...SHELTERED LOCATIONS AND AREAS SOUTH OF THIS LINE MAY ALSO EXPERIENCE TEMPERATURES NEAR 32 DEGREES...ALONG WITH POTENTIAL FROST ALL THE WAY TO THE INTERSTATE 85 CORRIDOR. ALZ022-023-025-027-140600- /O.EXA.KBMX.FZ.W.0004.121114T0800Z-121114T1400Z/ PICKENS-TUSCALOOSA-SHELBY-TALLADEGA- INCLUDING THE CITIES OF...CARROLLTON...TUSCALOOSA...COLUMBIANA... PELHAM...ALABASTER...TALLADEGA...SYLACAUGA 220 PM CST TUE NOV 13 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY. * TEMPERATURES...SHOULD DROP INTO THE LOW 30S ACROSS THE NORTHERN SECTIONS OF CENTRAL ALABAMA...OR GENERALLY ALONG AND NORTH OF A REFORM...TO ALABASTER...TO HEFLIN LINE. * IMPACTS...FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE PLANTS OR SHRUBS. ANIMALS WILL ALSO NEED EXTRA PROTECTION FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ ALZ011>015-017>021-024-026-140600- /O.CON.KBMX.FZ.W.0004.121114T0800Z-121114T1400Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-JEFFERSON-ST. CLAIR- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...BIRMINGHAM...HOOVER...PELL CITY... MOODY 220 PM CST TUE NOV 13 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY. * TEMPERATURES...SHOULD DROP INTO THE LOW 30S ACROSS THE NORTHERN SECTIONS OF CENTRAL ALABAMA...OR GENERALLY ALONG AND NORTH OF A REFORM...TO ALABASTER...TO HEFLIN LINE. * IMPACTS...FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE PLANTS OR SHRUBS. ANIMALS WILL ALSO NEED EXTRA PROTECTION FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ ALZ028>044-049-140600- /O.NEW.KBMX.FR.Y.0004.121114T0800Z-121114T1400Z/ CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA- TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-PIKE- INCLUDING THE CITIES OF...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... TROY 220 PM CST TUE NOV 13 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY. * TEMPERATURES...WILL BE IN THE LOW TO MID 30S. * IMPACTS...OF FROST INCLUDE THE POSSIBILITY OF SENSITIVE OUTDOOR PLANTS BEING KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. && $$
3 follow-up statements
626 WWUS74 KBMX 140013 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 613 PM CST TUE NOV 13 2012 ...COLD TEMPERATURES ONCE AGAIN ACROSS PORTIONS OF CENTRAL ALABAMA... .A COLD AIRMASS WILL REMAIN IN PLACE ACROSS CENTRAL ALABAMA. LOCATIONS ALONG AND NORTH OF A LINE FROM REFORM...TO ALABASTER... TO HEFLIN WILL EXPERIENCE TEMPERATURES IN THE LOWER 30S WEDNESDAY MORNING. AREAS SOUTH OF THIS LINE MAY ALSO EXPERIENCE TEMPERATURES NEAR 32 DEGREES...ALONG WITH POTENTIAL FOR FROST ALL THE WAY TO THE INTERSTATE 85 CORRIDOR. ALZ011>015-017>027-140600- /O.CON.KBMX.FZ.W.0004.121114T0800Z-121114T1400Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...TUSCALOOSA... BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER... PELL CITY...MOODY...TALLADEGA...SYLACAUGA 613 PM CST TUE NOV 13 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... * TEMPERATURES...WILL FALL INTO THE LOWER 30S ACROSS THE NORTHERN SECTIONS OF CENTRAL ALABAMA...OR GENERALLY ALONG AND NORTH OF A REFORM...TO ALABASTER...TO HEFLIN LINE. A FEW RURAL LOCATIONS COULD SEE UPPER 20S. * IMPACTS...FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE PLANTS OR SHRUBS. ANIMALS WILL ALSO NEED EXTRA PROTECTION FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. && $$ ALZ028>044-049-140600- /O.CON.KBMX.FR.Y.0004.121114T0800Z-121114T1400Z/ CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA- TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-PIKE- INCLUDING THE CITIES OF...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... TROY 613 PM CST TUE NOV 13 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... * TEMPERATURES...WILL FALL INTO THE MID 30S. * IMPACTS...OF FROST INCLUDE THE POSSIBILITY OF SENSITIVE OUTDOOR PLANTS BEING KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. && $$
411 WWUS74 KBMX 140342 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 942 PM CST TUE NOV 13 2012 ...COLD TEMPERATURES ACROSS CENTRAL ALABAMA... .A COLD AIRMASS WILL REMAIN IN PLACE ACROSS CENTRAL ALABAMA. LOCATIONS ALONG AND NORTH OF A LINE FROM REFORM...TO ALABASTER... TO HEFLIN...WILL EXPERIENCE TEMPERATURES IN THE LOWER 30S WEDNESDAY MORNING. AREAS SOUTH OF THIS LINE MAY ALSO EXPERIENCE TEMPERATURES NEAR 32 DEGREES. THERE IS A POTENTIAL FOR FROST AS FAR SOUTH AS THE INTERSTATE 85 CORRIDOR. ALZ011>015-017>027-141400- /O.CON.KBMX.FZ.W.0004.121114T0800Z-121114T1400Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...TUSCALOOSA... BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER... PELL CITY...MOODY...TALLADEGA...SYLACAUGA 942 PM CST TUE NOV 13 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... * TEMPERATURES...FALLING INTO THE LOWER 30S ACROSS THE NORTHERN SECTIONS OF CENTRAL ALABAMA...OR GENERALLY ALONG AND NORTH OF A REFORM...TO ALABASTER...TO HEFLIN LINE. A FEW RURAL LOCATIONS COULD SEE UPPER 20S. * IMPACTS...FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE PLANTS OR SHRUBS. ANIMALS WILL ALSO NEED EXTRA PROTECTION FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. && $$ ALZ028>044-049-141400- /O.CON.KBMX.FR.Y.0004.121114T0800Z-121114T1400Z/ CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA- TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-PIKE- INCLUDING THE CITIES OF...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... TROY 942 PM CST TUE NOV 13 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CST WEDNESDAY... * TEMPERATURES...FALLING INTO THE MIDDLE 30S. * IMPACTS...OF FROST INCLUDE THE POSSIBILITY OF SENSITIVE OUTDOOR PLANTS BEING KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. && $$
321 WWUS74 KBMX 141217 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 617 AM CST WED NOV 14 2012 ...COLD TEMPERATURES ACROSS CENTRAL ALABAMA... .A COLD AIRMASS WILL KEEP SOME RURAL SECTIONS OF NORTH CENTRAL ALABAMA IN THE LOWER 30S THROUGH 8 AM. ALZ025-141330- /O.CAN.KBMX.FZ.W.0004.000000T0000Z-121114T1400Z/ SHELBY- INCLUDING THE CITIES OF...COLUMBIANA...PELHAM...ALABASTER 617 AM CST WED NOV 14 2012 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE FREEZE WARNING. $$ ALZ028-029-037-038-043-044-049-141330- /O.CAN.KBMX.FR.Y.0004.000000T0000Z-121114T1400Z/ CLAY-RANDOLPH-TALLAPOOSA-CHAMBERS-ELMORE-MONTGOMERY-PIKE- INCLUDING THE CITIES OF...ASHLAND...ROANOKE...ALEXANDER CITY... DADEVILLE...VALLEY...LANETT...LAFAYETTE...WETUMPKA...TALLASSEE... MONTGOMERY...TROY 617 AM CST WED NOV 14 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE FROST ADVISORY. $$ ALZ011>015-017>024-026-027-141400- /O.CON.KBMX.FZ.W.0004.000000T0000Z-121114T1400Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-ST. CLAIR- TALLADEGA- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...TUSCALOOSA... BIRMINGHAM...HOOVER...PELL CITY...MOODY...TALLADEGA...SYLACAUGA 617 AM CST WED NOV 14 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TEMPERATURES...FALLING INTO THE LOWER 30S ACROSS THE NORTHERN SECTIONS OF CENTRAL ALABAMA...OR GENERALLY ALONG AND NORTH OF A REFORM...TO ALABASTER...TO HEFLIN LINE. A FEW RURAL LOCATIONS COULD SEE UPPER 20S. * IMPACTS...FREEZING TEMPERATURES MAY DAMAGE OR KILL SENSITIVE PLANTS OR SHRUBS. ANIMALS WILL ALSO NEED EXTRA PROTECTION FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. && $$ ALZ030>036-039>042-141400- /O.CON.KBMX.FR.Y.0004.000000T0000Z-121114T1400Z/ SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA-MARENGO-DALLAS- AUTAUGA-LOWNDES- INCLUDING THE CITIES OF...LIVINGSTON...EUTAW...GREENSBORO... MOUNDVILLE...MARION...CENTREVILLE...CLANTON...ROCKFORD... DEMOPOLIS...LINDEN...SELMA...PRATTVILLE...FORT DEPOSIT... HAYNEVILLE 617 AM CST WED NOV 14 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TEMPERATURES...FALLING INTO THE MIDDLE 30S. * IMPACTS...OF FROST INCLUDE THE POSSIBILITY OF SENSITIVE OUTDOOR PLANTS BEING KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 13, 6:02 AM CST | Freeze Warning | BMX | Blount, Calhoun, Cherokee, Cleburne, Etowah, Fayette and 10 more | 26 hr |
Nearby
Frost Advisories in Alabama, 2012Every frost 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.