Alert archive / Alabama / Wind Advisories in 2020

Wind Advisory 3, NWS Birmingham, AL

April 11, 202039 counties in Alabama

NWS Birmingham, AL issued this wind advisory at Apr 11, 2020, 2:04 PM CDT for 39 counties in Alabama. It took effect at Apr 12, 2020, 12:00 PM CDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 2020, 2:04 PM CDT (19:04 UTC)
In effect from
Apr 12, 2020, 12:00 PM CDT
Expired
Apr 13, 2020, 8:00 AM CDT
In force
20 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 19:08 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, 7.1 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 2020-04-11Temperature 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 2020-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2750 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

997 
WWUS74 KBMX 111904
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
204 PM CDT Sat Apr 11 2020

ALZ011>015-017>050-121200-
/O.NEW.KBMX.WI.Y.0003.200412T1700Z-200413T0800Z/
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, and Eufaula
204 PM CDT Sat Apr 11 2020

...WIND ADVISORY IN EFFECT FROM NOON SUNDAY TO 3 AM CDT MONDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 35 mph 
  expected.

* WHERE...All of Central Alabama.

* WHEN...From noon Sunday to 3 AM CDT Monday.

* IMPACTS...Tents and other temporary outdoor structures that are
  vulnerable to these types of winds could be compromised. Gusty 
  winds could blow around unsecured objects. Tree limbs could be 
  blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
6 follow-up statements
894 
WWUS74 KBMX 120812
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
312 AM CDT Sun Apr 12 2020

ALZ011>015-017>050-122100-
/O.CON.KBMX.WI.Y.0003.200412T1700Z-200413T0800Z/
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, and Eufaula
312 AM CDT Sun Apr 12 2020

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 3 AM CDT
MONDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 40 mph 
  expected.

* WHERE...All of Central Alabama.

* WHEN...From noon Today to 3 AM CDT Monday.

* IMPACTS...Tents and other temporary outdoor structures that 
  are vulnerable to these types of winds could be compromised. 
  Gusty winds could blow around unsecured objects. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
925 
WWUS74 KBMX 121849
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
149 PM CDT Sun Apr 12 2020

ALZ011>015-017>050-130800-
/O.CON.KBMX.WI.Y.0003.000000T0000Z-200413T0800Z/
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, and Eufaula
149 PM CDT Sun Apr 12 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT MONDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 40 mph.

* WHERE...Portions of central, east central, northeast, 
  northwest, southeast and west central Alabama.

* WHEN...Until 3 AM CDT Monday.

* IMPACTS...Tents and other temporary outdoor structures that 
  are vulnerable to these types of winds could be compromised. 
  Gusty winds could blow around unsecured objects. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
043 
WWUS74 KBMX 130619
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
119 AM CDT Mon Apr 13 2020

ALZ011>015-017>050-131300-
/O.EXT.KBMX.WI.Y.0003.000000T0000Z-200413T1300Z/
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, and Eufaula
119 AM CDT Mon Apr 13 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...South winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, northeast, 
  northwest, southeast and west central Alabama.

* WHEN...Until 8 AM CDT this morning.

* IMPACTS...Tents and other temporary outdoor structures that 
  are vulnerable to these types of winds could be compromised. 
  Gusty winds could blow around unsecured objects. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
163 
WWUS74 KBMX 130629
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
129 AM CDT Mon Apr 13 2020

ALZ018>021-025-027>029-035>038-041-043-045-047-131300-
/O.UPG.KBMX.WI.Y.0003.000000T0000Z-200413T1300Z/
/O.NEW.KBMX.HW.W.0001.200413T0629Z-200413T0900Z/
/O.NEW.KBMX.WI.Y.0004.200413T0900Z-200413T1300Z/
Etowah-Calhoun-Cherokee-Cleburne-Shelby-Talladega-Clay-Randolph-
Chilton-Coosa-Tallapoosa-Chambers-Autauga-Elmore-Macon-Lee-
Including the cities of Gadsden, Anniston, Centre, Heflin, 
Columbiana, Pelham, Alabaster, Talladega, Sylacauga, Ashland, 
Roanoke, Clanton, Rockford, Alexander City, Dadeville, Valley, 
Lanett, Lafayette, Prattville, Wetumpka, Tallassee, Tuskegee, 
Auburn, and Opelika
129 AM CDT Mon Apr 13 2020

...HIGH WIND WARNING IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
...WIND ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...For the High Wind Warning, west winds greater than 50 mph
  with gusts up to 60 mph. For the Wind Advisory, west winds 15 to
  25 mph expected with gusts up to 50 mph.
 
* WHERE...Portions of central, east central and northeast 
  Alabama.

* WHEN...For the High Wind Warning, until 4 AM CDT early this 
  morning. For the Wind Advisory, until 8 AM CDT this morning.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

ALZ011>015-017-022>024-026-030>034-039-040-042-044-046-048>050-
131300-
/O.CON.KBMX.WI.Y.0003.000000T0000Z-200413T1300Z/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-St. Clair-Sumter-Greene-Hale-Perry-Bibb-Marengo-Dallas-
Lowndes-Montgomery-Bullock-Russell-Pike-Barbour-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Oneonta, Carrollton, Tuscaloosa, 
Birmingham, Hoover, Pell City, Moody, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Demopolis, Linden, 
Selma, Fort Deposit, Hayneville, Montgomery, Union Springs, 
Phenix City, Troy, and Eufaula
129 AM CDT Mon Apr 13 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...South winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, northeast, 
  northwest, southeast and west central Alabama.

* WHEN...Until 8 AM CDT this morning.

* IMPACTS...Tents and other temporary outdoor structures that 
  are vulnerable to these types of winds could be compromised. 
  Gusty winds could blow around unsecured objects. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
962 
WWUS74 KBMX 130702
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
202 AM CDT Mon Apr 13 2020

ALZ018>021-025-027>029-035>038-041-043-045-047-131300-
/O.CON.KBMX.HW.W.0001.000000T0000Z-200413T0900Z/
/O.CON.KBMX.WI.Y.0004.200413T0900Z-200413T1300Z/
Etowah-Calhoun-Cherokee-Cleburne-Shelby-Talladega-Clay-Randolph-
Chilton-Coosa-Tallapoosa-Chambers-Autauga-Elmore-Macon-Lee-
Including the cities of Gadsden, Anniston, Centre, Heflin, 
Columbiana, Pelham, Alabaster, Talladega, Sylacauga, Ashland, 
Roanoke, Clanton, Rockford, Alexander City, Dadeville, Valley, 
Lanett, Lafayette, Prattville, Wetumpka, Tallassee, Tuskegee, 
Auburn, and Opelika
202 AM CDT Mon Apr 13 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...For the High Wind Warning, west winds greater than 50 
  mph with gusts up to 60 mph. For the Wind Advisory, west winds 
  15 to 25 mph expected with gusts up to 50 mph.

* WHERE...Portions of central, east central and northeast 
  Alabama.

* WHEN...For the High Wind Warning, until 4 AM CDT early this 
  morning. For the Wind Advisory, until 8 AM CDT this morning.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

ALZ011>015-017-022>024-026-030>034-039-040-042-044-046-048>050-
131300-
/O.CON.KBMX.WI.Y.0003.000000T0000Z-200413T1300Z/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-St. Clair-Sumter-Greene-Hale-Perry-Bibb-Marengo-Dallas-
Lowndes-Montgomery-Bullock-Russell-Pike-Barbour-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Oneonta, Carrollton, Tuscaloosa, 
Birmingham, Hoover, Pell City, Moody, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Demopolis, Linden, 
Selma, Fort Deposit, Hayneville, Montgomery, Union Springs, 
Phenix City, Troy, and Eufaula
202 AM CDT Mon Apr 13 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...South winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, northeast, 
  northwest, southeast and west central Alabama.

* WHEN...Until 8 AM CDT this morning.

* IMPACTS...Tents and other temporary outdoor structures that 
  are vulnerable to these types of winds could be compromised. 
  Gusty winds could blow around unsecured objects. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
694 
WWUS74 KBMX 130934
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
434 AM CDT Mon Apr 13 2020

ALZ018>021-025-027>029-035>038-041-043-045-047-131300-
/O.CON.KBMX.WI.Y.0004.000000T0000Z-200413T1300Z/
Etowah-Calhoun-Cherokee-Cleburne-Shelby-Talladega-Clay-Randolph-
Chilton-Coosa-Tallapoosa-Chambers-Autauga-Elmore-Macon-Lee-
Including the cities of Gadsden, Anniston, Centre, Heflin, 
Columbiana, Pelham, Alabaster, Talladega, Sylacauga, Ashland, 
Roanoke, Clanton, Rockford, Alexander City, Dadeville, Valley, 
Lanett, Lafayette, Prattville, Wetumpka, Tallassee, Tuskegee, 
Auburn, and Opelika
434 AM CDT Mon Apr 13 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...West winds 15 to 25 mph expected with gusts up to 50 
  mph.

* WHERE...Portions of central, east central and northeast 
  Alabama.

* WHEN...Until 8 AM CDT this morning.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ALZ011>015-017-022>024-026-030>034-039-040-042-044-046-048>050-
131300-
/O.CON.KBMX.WI.Y.0003.000000T0000Z-200413T1300Z/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-St. Clair-Sumter-Greene-Hale-Perry-Bibb-Marengo-Dallas-
Lowndes-Montgomery-Bullock-Russell-Pike-Barbour-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Oneonta, Carrollton, Tuscaloosa, 
Birmingham, Hoover, Pell City, Moody, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Demopolis, Linden, 
Selma, Fort Deposit, Hayneville, Montgomery, Union Springs, 
Phenix City, Troy, and Eufaula
434 AM CDT Mon Apr 13 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...South winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, northeast, 
  northwest, southeast and west central Alabama.

* WHEN...Until 8 AM CDT this morning.

* IMPACTS...Tents and other temporary outdoor structures that 
  are vulnerable to these types of winds could be compromised. 
  Gusty winds could blow around unsecured objects. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 10:53 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Pickens, Sumter6 days
Apr 11, 10:55 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo16 days

Nearby

Wind Advisories in Alabama, 2020Every wind advisory in 2020

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.