Alert archive / Alabama / Wind Advisories in 2017

Wind Advisory 8, NWS Birmingham, AL

September 10, 201739 counties in Alabama

NWS Birmingham, AL issued this wind advisory at Sep 10, 2017, 4:07 PM CDT for 39 counties in Alabama. It took effect at Sep 11, 2017, 12:00 PM CDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Sep 10, 2017, 4:07 PM CDT (21:07 UTC)
In effect from
Sep 11, 2017, 12:00 PM CDT
Expired
Sep 12, 2017, 4:00 AM CDT
In force
16 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 21:10 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, 9.1 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 2017-09-10Temperature 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 2017-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 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
1350 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

862 
WWUS74 KBMX 102107
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
407 PM CDT Sun Sep 10 2017

...Central Alabama Winds will increase Monday...

.Tropical system Irma will bring windy conditions to Central
Alabama. This advisory is in effect for areas generally west of
Interstate 65.

ALZ011>015-022>025-030>035-039>042-111000-
/O.NEW.KBMX.WI.Y.0008.170911T1400Z-170912T0600Z/
Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Jefferson-
Shelby-Sumter-Greene-Hale-Perry-Bibb-Chilton-Marengo-Dallas-
Autauga-Lowndes-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Carrollton, Tuscaloosa, Birmingham, 
Hoover, Columbiana, Pelham, Alabaster, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Clanton, Demopolis, 
Linden, Selma, Prattville, Fort Deposit, and Hayneville
407 PM CDT Sun Sep 10 2017

...WIND ADVISORY IN EFFECT FROM 9 AM MONDAY TO 1 AM CDT TUESDAY...

The National Weather Service in Birmingham has issued a Wind
Advisory, which is in effect from 9 AM Monday to 1 AM CDT
Tuesday. 

* TIMING...Winds will increase on Monday morning after 9am 

* WINDS...Sustained winds of 20-35 mph are possible with some
  gusts into the 35-50 mph range 

* IMPACTS...These wind speeds and gusts are capable of snapping
  some tree limbs, damaging unsecured smaller outdoor items, and
  may produce isolated power outages

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.

&&

$$
4 follow-up statements
784 
WWUS74 KBMX 110954
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
454 AM CDT Mon Sep 11 2017

...Tropical System Irma will bring windy conditions to west 
central Alabama...

.Tropical system Irma will bring windy conditions to west central
Alabama this afternoon and tonight. This advisory is in effect 
for areas generally west of Interstate 65.

ALZ011>015-022>025-030>035-039>042-111800-
/O.EXT.KBMX.WI.Y.0008.170911T1700Z-170912T0600Z/
Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Jefferson-
Shelby-Sumter-Greene-Hale-Perry-Bibb-Chilton-Marengo-Dallas-
Autauga-Lowndes-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Carrollton, Tuscaloosa, Birmingham, 
Hoover, Columbiana, Pelham, Alabaster, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Clanton, Demopolis, 
Linden, Selma, Prattville, Fort Deposit, and Hayneville
454 AM CDT Mon Sep 11 2017

...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 1 AM CDT
TUESDAY...

* TIMING...Winds will increase after 12 Noon.

* WINDS...Sustained winds of 20-35 mph are possible with some
  gusts up to 45 mph. 

* IMPACTS...These wind speeds and gusts are capable of snapping 
  some tree limbs, damaging unsecured smaller outdoor items, and 
  may produce isolated power outages 

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.

&&

$$
257 
WWUS74 KBMX 111628
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
1128 AM CDT Mon Sep 11 2017

...Tropical System Irma will bring windy conditions to west
central Alabama...

.Tropical system Irma will bring windy conditions to west central
Alabama this afternoon and tonight. This advisory is in effect
for areas generally west of Interstate 65.

ALZ011>015-022>025-030>035-039>042-120000-
/O.CON.KBMX.WI.Y.0008.170911T1700Z-170912T0600Z/
Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Jefferson-
Shelby-Sumter-Greene-Hale-Perry-Bibb-Chilton-Marengo-Dallas-
Autauga-Lowndes-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Carrollton, Tuscaloosa, Birmingham, 
Hoover, Columbiana, Pelham, Alabaster, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Clanton, Demopolis, 
Linden, Selma, Prattville, Fort Deposit, and Hayneville
1128 AM CDT Mon Sep 11 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY...

* TIMING...Winds will increase through the afternoon.

* WINDS...Sustained winds of 20-35 mph are possible with some 
  gusts up to 45 mph. 

* IMPACTS...These wind speeds and gusts are capable of snapping 
  some tree limbs, damaging unsecured smaller outdoor items, and 
  may produce isolated power outages 

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.

&&

$$
701 
WWUS74 KBMX 112358
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
658 PM CDT Mon Sep 11 2017

...Tropical System Irma will bring windy conditions to West 
Central Alabama...

.Irma will bring windy conditions to West Central Alabama this 
afternoon and tonight. This advisory is in effect for areas 
generally west of Interstate 65.

ALZ011>015-022>025-030>035-039>042-120600-
/O.CON.KBMX.WI.Y.0008.000000T0000Z-170912T0600Z/
Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Jefferson-
Shelby-Sumter-Greene-Hale-Perry-Bibb-Chilton-Marengo-Dallas-
Autauga-Lowndes-
Including the cities of Hamilton, Sulligent, Vernon, Fayette, 
Double Springs, Jasper, Carrollton, Tuscaloosa, Birmingham, 
Hoover, Columbiana, Pelham, Alabaster, Livingston, Eutaw, 
Greensboro, Moundville, Marion, Centreville, Clanton, Demopolis, 
Linden, Selma, Prattville, Fort Deposit, and Hayneville
658 PM CDT Mon Sep 11 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY...

* TIMING...Winds will increase through the afternoon.

* WINDS...Sustained winds of 20-35 mph are possible with some 
  gusts up to 45 mph. 

* IMPACTS...These wind speeds and gusts are capable of snapping 
  some tree limbs, damaging unsecured smaller outdoor items, and 
  may produce isolated power outages 

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.

&&

$$
720 
WWUS74 KBMX 120306
NPWBMX

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
1006 PM CDT Mon Sep 11 2017

...Tropical System Irma will continue to bring breezy conditions 
to much of Central Alabama into the late night hours through
around 4 AM...

ALZ012-022-030>033-039-040-042-120415-
/O.CAN.KBMX.WI.Y.0008.000000T0000Z-170912T0600Z/
Lamar-Pickens-Sumter-Greene-Hale-Perry-Marengo-Dallas-Lowndes-
Including the cities of Sulligent, Vernon, Carrollton, 
Livingston, Eutaw, Greensboro, Moundville, Marion, Demopolis, 
Linden, Selma, Fort Deposit, and Hayneville
1006 PM CDT Mon Sep 11 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Birmingham has cancelled the Wind
Advisory. 

Winds across the far west and southwest counties have decreased
and the advisory is no longer necessary.

$$

ALZ017>021-026>029-036>038-043>050-120900-
/O.EXB.KBMX.WI.Y.0008.000000T0000Z-170912T0900Z/
Blount-Etowah-Calhoun-Cherokee-Cleburne-St. Clair-Talladega-Clay-
Randolph-Coosa-Tallapoosa-Chambers-Elmore-Montgomery-Macon-
Bullock-Lee-Russell-Pike-Barbour-
Including the cities of Oneonta, Gadsden, Anniston, Centre, 
Heflin, Pell City, Moody, Talladega, Sylacauga, Ashland, Roanoke,
Rockford, Alexander City, Dadeville, Valley, Lanett, Lafayette, 
Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn,
Opelika, Phenix City, Troy, and Eufaula
1006 PM CDT Mon Sep 11 2017

...WIND ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY...

The National Weather Service in Birmingham has issued a Wind
Advisory, which is in effect until 4 AM CDT Tuesday. 

* TIMING...Winds will decrease after 4 AM.

* WINDS...Sustained winds of 15-30 mph are possible with some 
  gusts up to 40 mph. 

* IMPACTS...These wind speeds and gusts are capable of snapping 
  some tree limbs, damaging unsecured smaller outdoor items, and 
  may produce isolated power outages 

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.

&&

$$

ALZ011-013>015-023>025-034-035-041-120900-
/O.EXT.KBMX.WI.Y.0008.000000T0000Z-170912T0900Z/
Marion-Fayette-Winston-Walker-Tuscaloosa-Jefferson-Shelby-Bibb-
Chilton-Autauga-
Including the cities of Hamilton, Fayette, Double Springs, 
Jasper, Tuscaloosa, Birmingham, Hoover, Columbiana, Pelham, 
Alabaster, Centreville, Clanton, and Prattville
1006 PM CDT Mon Sep 11 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 4 AM CDT TUESDAY...

* TIMING...Winds will decrease after 4 AM.

* WINDS...Sustained winds of 15-30 mph are possible with some 
  gusts up to 40 mph. 

* IMPACTS...These wind speeds and gusts are capable of snapping 
  some tree limbs, damaging unsecured smaller outdoor items, and 
  may produce isolated power outages 

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.

&&

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 4:45 AM CDTTropical Storm WarningBMXBarbour, Blount, Bullock, Calhoun, Chambers, Cherokee and 14 more41 hr

Nearby

Wind Advisories in Alabama, 2017Every wind advisory in 2017

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.