Alert archive / Alabama / Wind Advisories in 2018

Wind Advisory 13, NWS Birmingham, AL

December 26, 201835 counties in Alabama

NWS Birmingham, AL issued this wind advisory at Dec 26, 2018, 1:54 PM CST for 35 counties in Alabama. It took effect at Dec 27, 2018, 12:00 AM CST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2018, 1:54 PM CST (19:54 UTC)
In effect from
Dec 27, 2018, 12:00 AM CST
Expired
Dec 28, 2018, 12:00 AM CST
In force
24 hr
Issued by
NWS Birmingham, AL
All 35 counties

Autauga County, AL, Bibb County, AL, Blount 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, Randolph 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), 6 km from the middle of the area, began a volume at 19:54 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, 7.9 hours before the alert went out and 7 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 2018-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

988 
WWUS74 KBMX 261954
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
154 PM CST Wed Dec 26 2018

...GUSTY WINDS LATE TONIGHT THROUGH THURSDAY...

ALZ011>015-017>045-047-270400-
/O.NEW.KBMX.WI.Y.0013.181227T0600Z-181228T0600Z/
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-Lee-
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, Auburn, and Opelika
154 PM CST Wed Dec 26 2018

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CST
THURSDAY NIGHT...

The National Weather Service in Birmingham has issued a Wind
Advisory, which is in effect from midnight tonight to midnight
CST Thursday night. 

* TIMING...Overnight tonight through Thursday evening.

* WINDS...Sustained 20 to 25 mph, with gusts around 30 to 35 mph.

* IMPACTS...Gusty winds could knock down tree branches and
  vulnerable or weakened trees. Travel may be difficult at times 
  for those in high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts up to 35 mph may occur. 
Winds this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
3 follow-up statements
936 
WWUS74 KBMX 270331
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
931 PM CST Wed Dec 26 2018

...GUSTY WINDS LATE TONIGHT THROUGH THURSDAY...

ALZ011>015-017>045-047-271200-
/O.CON.KBMX.WI.Y.0013.181227T0600Z-181228T0600Z/
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-Lee-
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, Auburn, and Opelika
931 PM CST Wed Dec 26 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST THURSDAY
NIGHT...

* TIMING...Overnight tonight through Thursday evening.

* WINDS...Sustained 20 to 25 mph, with gusts around 30 to 35 mph.

* IMPACTS...Gusty winds could knock down tree branches and 
  vulnerable or weakened trees. Travel may be difficult at times 
  for those in high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts up to 35 mph may occur.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
588 
WWUS74 KBMX 271148
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
548 AM CST Thu Dec 27 2018

...GUSTY WINDS EXPECTED THROUGH MIDNIGHT...

ALZ011>015-017>045-047-272200-
/O.CON.KBMX.WI.Y.0013.000000T0000Z-181228T0600Z/
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-Lee-
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, Auburn, and Opelika
548 AM CST Thu Dec 27 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* TIMING...through this evening.

* WINDS...Sustained 20 to 30 mph, with gusts around 30 to 40 mph.

* IMPACTS...Gusty winds could knock down tree branches and 
  vulnerable or weakened trees. Travel may be difficult at times 
  for those in high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts up to 35 mph may occur.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
821 
WWUS74 KBMX 272022
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
222 PM CST Thu Dec 27 2018

...GUSTY WINDS EXPECTED THROUGH MIDNIGHT...

ALZ011>015-017>045-047-280600-
/O.CON.KBMX.WI.Y.0013.000000T0000Z-181228T0600Z/
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-Lee-
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, Auburn, and Opelika
222 PM CST Thu Dec 27 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* TIMING...through this evening.

* WINDS...Sustained 20 to 30 mph, with gusts around 30 to 35 mph.

* IMPACTS...Gusty winds could knock down tree branches and 
  vulnerable or weakened trees. Travel may be difficult at times 
  for those in high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts up to 35 mph may occur.
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
Dec 26, 2:07 PM CSTFlash Flood WatchBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more45 hr

Nearby

Wind Advisories in Alabama, 2018Every wind advisory in 2018

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.