Alert archive / Alabama / Wind Advisories in 2018

Wind Advisory 6, NWS Birmingham, AL

April 7, 201825 counties in Alabama

NWS Birmingham, AL issued this wind advisory at Apr 7, 2018, 2:30 AM CDT for 25 counties in Alabama. It took effect at Apr 7, 2018, 1:00 PM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Apr 7, 2018, 2:30 AM CDT (07:30 UTC)
In effect from
Apr 7, 2018, 1:00 PM CDT
Expired
Apr 8, 2018, 2:00 AM CDT
In force
13 hr
Issued by
NWS Birmingham, AL
All 25 counties

Autauga County, AL, Barbour 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, Elmore County, AL, Etowah County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 52 km from the middle of the area, began a volume at 07:32 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 00:00Z, 7.5 hours before the alert went out and 76 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 00:00Z on 2018-04-07Temperature 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 00:00Z on 2018-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.193958Sfc1 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
2212 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

288 
WWUS74 KBMX 070730
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
230 AM CDT Sat Apr 7 2018

...Windy This Afternoon then Cold Tonight...

ALZ017>021-024>029-071800-
/O.UPG.KBMX.FZ.A.0004.180408T0700Z-180408T1400Z/
/O.NEW.KBMX.FZ.W.0008.180408T0700Z-180408T1400Z/
/O.NEW.KBMX.WI.Y.0006.180407T1800Z-180408T0700Z/
Blount-Etowah-Calhoun-Cherokee-Cleburne-Jefferson-Shelby-
St. Clair-Talladega-Clay-Randolph-
Including the cities of Oneonta, Gadsden, Anniston, Centre, 
Heflin, Birmingham, Hoover, Columbiana, Pelham, Alabaster, 
Pell City, Moody, Talladega, Sylacauga, Ashland, and Roanoke
230 AM CDT Sat Apr 7 2018

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 2 AM CDT
SUNDAY...
...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

The National Weather Service in Birmingham has issued a Freeze
Warning, which is in effect from 2 AM to 9 AM CDT Sunday. A Wind
Advisory has also been issued. This Wind Advisory is in effect
from 1 PM this afternoon to 2 AM CDT Sunday. The Freeze Watch is
no longer in effect. 

* TIMING...of strongest winds from 1 PM Saturday to 2 AM Sunday. 
  Timing of cold temperatures from 2 AM to 9 AM Sunday.

* WINDS...of 15 to 25 MPH with gusts up to 35 MPH are possible.

* TEMPERATURE...across the area may range from 27 to 33 degrees 
  in the watch area.

* IMPACTS...damaging or killing of crops and other sensitive
  vegetation. Strong winds may cause limbs and weak trees to fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub freezing temperatures are imminent or 
highly likely. These conditions will kill crops and other 
sensitive vegetation.

A Wind Advisory means that wind gusts of 35 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$

ALZ011>015-071800-
/O.UPG.KBMX.FZ.A.0004.180408T0700Z-180408T1400Z/
/O.NEW.KBMX.FZ.W.0008.180408T0700Z-180408T1400Z/
Marion-Lamar-Fayette-Winston-Walker-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, and Jasper
230 AM CDT Sat Apr 7 2018

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

The National Weather Service in Birmingham has issued a Freeze
Warning, which is in effect from 2 AM to 9 AM CDT Sunday. The
Freeze Watch is no longer in effect. 

* TEMPERATURE...lows will range from 27 to 33 degrees.

* IMPACTS...damaging or killing of crops and other sensitive 
  vegetation. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub freezing temperatures are imminent or 
highly likely. These conditions will kill crops and other 
sensitive vegetation.

&&

$$

ALZ035>038-071800-
/O.NEW.KBMX.FZ.W.0008.180408T0700Z-180408T1400Z/
/O.NEW.KBMX.WI.Y.0006.180407T1800Z-180408T0700Z/
Chilton-Coosa-Tallapoosa-Chambers-
Including the cities of Clanton, Rockford, Alexander City, 
Dadeville, Valley, Lanett, and Lafayette
230 AM CDT Sat Apr 7 2018

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 2 AM CDT
SUNDAY...
...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

The National Weather Service in Birmingham has issued a Freeze
Warning, which is in effect from 2 AM to 9 AM CDT Sunday. A Wind
Advisory has also been issued. This Wind Advisory is in effect
from 1 PM this afternoon to 2 AM CDT Sunday. 

* TIMING...of strongest winds from 1 PM Saturday to 2 AM Sunday. 
  Timing of cold temperatures from 2 AM to 9 AM Sunday.

* WINDS...of 15 to 25 MPH with gusts up to 35 MPH are possible.

* TEMPERATURE...across the area may range from 27 to 33 degrees 
  in the watch area.

* IMPACTS...damaging or killing of crops and other sensitive
  vegetation. Strong winds may cause limbs and weak trees to fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub freezing temperatures are imminent or 
highly likely. These conditions will kill crops and other 
sensitive vegetation.

A Wind Advisory means that wind gusts of 35 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$

ALZ022-023-034-071800-
/O.NEW.KBMX.FZ.W.0008.180408T0700Z-180408T1400Z/
Pickens-Tuscaloosa-Bibb-
Including the cities of Carrollton, Tuscaloosa, and Centreville
230 AM CDT Sat Apr 7 2018

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

The National Weather Service in Birmingham has issued a Freeze
Warning, which is in effect from 2 AM to 9 AM CDT Sunday. 

* TEMPERATURE...across the area may range from 27 to 33 degrees 
  in the watch area.

* IMPACTS...damaging or killing of crops and other sensitive
  vegetation. Strong winds may cause limbs and weak trees to fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub freezing temperatures are imminent or 
highly likely. These conditions will kill crops and other 
sensitive vegetation.

&&

$$

ALZ041>050-071800-
/O.NEW.KBMX.WI.Y.0006.180407T1800Z-180408T0700Z/
Autauga-Lowndes-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike-
Barbour-
Including the cities of Prattville, Fort Deposit, Hayneville, 
Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn,
Opelika, Phenix City, Troy, and Eufaula
230 AM CDT Sat Apr 7 2018

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 2 AM CDT
SUNDAY...

The National Weather Service in Birmingham has issued a Wind
Advisory, which is in effect from 1 PM this afternoon to 2 AM CDT
Sunday. 

* TIMING...of strongest winds from 1 PM Saturday to 2 AM Sunday. 

* WINDS...of 15 to 25 MPH with gusts up to 35 MPH are possible.

* IMPACTS...of the strong winds may cause limbs and weak trees to
  fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 35 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
318 
WWUS74 KBMX 071724
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
1224 PM CDT Sat Apr 7 2018

...Windy This Afternoon then Cold Tonight...

ALZ017>021-024>029-035>038-081400-
/O.CON.KBMX.FZ.W.0008.180408T0700Z-180408T1400Z/
/O.CON.KBMX.WI.Y.0006.180407T1800Z-180408T0700Z/
Blount-Etowah-Calhoun-Cherokee-Cleburne-Jefferson-Shelby-
St. Clair-Talladega-Clay-Randolph-Chilton-Coosa-Tallapoosa-
Chambers-
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, 
and Lafayette
1224 PM CDT Sat Apr 7 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM CDT SUNDAY...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT
SUNDAY...

* TIMING...of strongest winds from 1 PM Saturday to 2 AM Sunday. 
  Timing of cold temperatures from 2 AM to 9 AM Sunday. 

* WINDS...of 15 to 25 MPH with gusts up to 35 MPH are possible.

* TEMPERATURE...across the area may range from 27 to 33 degrees 
  in the watch area. 

* IMPACTS...damaging or killing of crops and other sensitive 
  vegetation. Strong winds may cause limbs and weak trees to 
  fall. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Wind Advisory means that wind gusts of 35 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$

ALZ011>015-022-023-034-081400-
/O.CON.KBMX.FZ.W.0008.180408T0700Z-180408T1400Z/
Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Bibb-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Carrollton, Tuscaloosa, and Centreville
1224 PM CDT Sat Apr 7 2018

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT
SUNDAY...

* TEMPERATURE...across the area may range from 27 to 33 degrees 
  in the watch area. 

* IMPACTS...damaging or killing of crops and other sensitive 
  vegetation. Strong winds may cause limbs and weak trees to 
  fall. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

&&

$$

ALZ041>050-080700-
/O.CON.KBMX.WI.Y.0006.180407T1800Z-180408T0700Z/
Autauga-Lowndes-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike-
Barbour-
Including the cities of Prattville, Fort Deposit, Hayneville, 
Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn,
Opelika, Phenix City, Troy, and Eufaula
1224 PM CDT Sat Apr 7 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM CDT SUNDAY...

* TIMING...of strongest winds from 1 PM Saturday to 2 AM Sunday.

* WINDS...of 15 to 25 MPH with gusts up to 35 MPH are possible.

* IMPACTS...of the strong winds may cause limbs and weak trees 
  to fall. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 35 mph 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
Apr 6, 9:57 PM CDTSpecial Weather StatementBMXSumter63 min
Apr 6, 10:39 PM CDTSpecial Weather StatementBMXMarengo66 min
Apr 7, 2:30 AM CDTFreeze WarningBMXBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 17 more31 hr
Apr 7, 2:39 AM CDTSpecial Weather StatementBMXLowndes36 min

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.