Alert archive / Florida / Wind Advisories in 2017

Wind Advisory 15, NWS Mobile, AL

November 18, 2017Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this wind advisory at Nov 18, 2017, 2:43 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Mobile County, Alabama. It took effect at Nov 19, 2017, 12:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2017, 2:43 PM CST (20:43 UTC)
In effect from
Nov 19, 2017, 12:00 AM CST
Expired
Nov 19, 2017, 9:00 AM CST
In force
9 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 82 km from the middle of the area, began a volume at 20:49 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 hours before the alert went out and 227 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, Slidell Radar S, LA at 12:00Z on 2017-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 2017-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

168 
WWUS74 KMOB 182043 AAA
NPWMOB

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Mobile AL
243 PM CST Sat Nov 18 2017

...WIND ADVISORY IN EFFECT FOR THE COASTAL AREAS OF SOUTHWEST
ALABAMA AND NORTHWEST FLORIDA FROM LATE TONIGHT THROUGH MID 
MORNING SUNDAY...

ALZ263>266-FLZ202-204-206-190600-
/O.NEW.KMOB.WI.Y.0015.171119T0600Z-171119T1500Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, 
Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, 
Orange Beach, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Bagdad, Gulf Breeze, Navarre, 
Destin, Eglin AFB, Fort Walton Beach, Niceville, Seminole, 
Valparaiso, and Wright
243 PM CST Sat Nov 18 2017

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST
SUNDAY...

The National Weather Service in Mobile has issued a Wind
Advisory, which is in effect from midnight tonight to 9 AM CST
Sunday. 

* TIMING...Midnight through Sunday mid morning. 

* WINDS...Frequent gusts from 30 to 39 mph. 

* IMPACTS...Dangerous driving conditions for high profile
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 25 to 39 mph or frequent
gusts of 30 to 39 mph are expected. Winds this strong can make
driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

ALZ051>058-MSZ067-075-076-190600-
/O.CON.KMOB.FZ.A.0002.171120T0600Z-171120T1400Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Wayne-Perry-Greene-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Evergreen, Greenville, Brantley, Luverne, 
Waynesboro, Beaumont, New Augusta, Richton, Leakesville, 
and McLain
243 PM CST Sat Nov 18 2017

...FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY MORNING...

* TEMPERATURE...Dropping to freezing or slightly below freezing.

* IMPACTS...Freezing temperatures could damage outdoor 
  vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$
3 follow-up statements
685 
WWUS74 KMOB 190602
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1202 AM CST Sun Nov 19 2017

...WIND ADVISORY IN EFFECT FOR THE COASTAL AREAS OF SOUTHWEST
ALABAMA AND NORTHWEST FLORIDA THROUGH MID MORNING SUNDAY...

ALZ263>266-FLZ202-204-206-191415-
/O.CON.KMOB.WI.Y.0015.000000T0000Z-171119T1500Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, 
Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, 
Orange Beach, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Bagdad, Gulf Breeze, Navarre, 
Destin, Eglin AFB, Fort Walton Beach, Niceville, Seminole, 
Valparaiso, and Wright
1202 AM CST Sun Nov 19 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING...

* TIMING...Through Sunday mid morning.

* WINDS...Frequent gusts from 30 to 39 mph.

* IMPACTS...Dangerous driving conditions for high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 25 to 39 mph or frequent
gusts of 30 to 39 mph are expected. Winds this strong can make
driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

ALZ051>058-MSZ067-075-076-191415-
/O.CON.KMOB.FZ.A.0002.171120T0600Z-171120T1400Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Wayne-Perry-Greene-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Evergreen, Greenville, Brantley, Luverne, 
Waynesboro, Beaumont, New Augusta, Richton, Leakesville, 
and McLain
1202 AM CST Sun Nov 19 2017

...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY MORNING...

* TEMPERATURE...Dropping to freezing or slightly below freezing.

* IMPACTS...Freezing temperatures could damage outdoor 
  vegetation. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.

&&

$$
766 
WWUS74 KMOB 191039
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
439 AM CST Sun Nov 19 2017

...WIND ADVISORY IN EFFECT FOR THE COASTAL AREAS OF SOUTHWEST
ALABAMA AND NORTHWEST FLORIDA THROUGH MID MORNING TODAY...
...A FREEZE WARNING IS IN EFFECT FOR PARTS OF INLAND SOUTHEAST
MISSISSIPPI AND SOUTHWEST ALABAMA TONIGHT...

ALZ051>058-MSZ067-075-076-191845-
/O.UPG.KMOB.FZ.A.0002.171120T0600Z-171120T1400Z/
/O.NEW.KMOB.FZ.W.0003.171120T0600Z-171120T1400Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Wayne-Perry-Greene-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Evergreen, Greenville, Brantley, Luverne, 
Waynesboro, Beaumont, New Augusta, Richton, Leakesville, 
and McLain
439 AM CST Sun Nov 19 2017

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST
MONDAY...

The National Weather Service in Mobile has issued a Freeze
Warning, which is in effect from midnight tonight to 8 AM CST
Monday. This replaces the previous Freeze Watch, which is no
longer in effect.


* TEMPERATURE...Dropping to freezing or slightly below freezing.

* IMPACTS...Freezing temperatures could damage outdoor 
  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.

&&

$$

ALZ263>266-FLZ202-204-206-191500-
/O.CON.KMOB.WI.Y.0015.000000T0000Z-171119T1500Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, 
Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, 
Orange Beach, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Bagdad, Gulf Breeze, Navarre, 
Destin, Eglin AFB, Fort Walton Beach, Niceville, Seminole, 
Valparaiso, and Wright
439 AM CST Sun Nov 19 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING...

* TIMING...Through Sunday mid morning.

* WINDS...Frequent gusts from 30 to 39 mph.

* IMPACTS...Dangerous driving conditions for high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 25 to 39 mph or frequent
gusts of 30 to 39 mph are expected. Winds this strong can make
driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$
180 
WWUS74 KMOB 191507 AAA
NPWMOB

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Mobile AL
907 AM CST Sun Nov 19 2017

...WIND ADVISORY HAS EXPIRED... 

...A FREEZE WARNING IS IN EFFECT FOR PARTS OF INLAND SOUTHEAST 
MISSISSIPPI AND SOUTHWEST ALABAMA TONIGHT...

ALZ263>266-FLZ202-204-206-191615-
/O.EXP.KMOB.WI.Y.0015.000000T0000Z-171119T1500Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, 
Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, 
Orange Beach, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Bagdad, Gulf Breeze, Navarre, 
Destin, Eglin AFB, Fort Walton Beach, Niceville, Seminole, 
Valparaiso, and Wright
907 AM CST Sun Nov 19 2017

...WIND ADVISORY HAS EXPIRED...

$$

ALZ051>058-MSZ067-075-076-192315-
/O.CON.KMOB.FZ.W.0003.171120T0600Z-171120T1400Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Wayne-Perry-Greene-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Evergreen, Greenville, Brantley, Luverne, 
Waynesboro, Beaumont, New Augusta, Richton, Leakesville, 
and McLain
907 AM CST Sun Nov 19 2017

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CST MONDAY...

* TEMPERATURE...Dropping to freezing or slightly below freezing.

* IMPACTS...Freezing temperatures could damage outdoor 
  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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 3:09 AM CSTSmall Craft AdvisoryMOB21 hr
Nov 18, 2:04 PM CSTFreeze WatchMOBButler, Choctaw, Clarke, Conecuh, Crenshaw, Monroe and 2 more15 hr
Nov 18, 2:12 PM CSTGale WarningMOB19 hr

Nearby

Wind Advisories in Florida, 2017Wind 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.