Alert archive / Alabama / Wind Advisories in 2017

Wind Advisory 7, NWS Mobile, AL

April 6, 201710 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this wind advisory at Apr 6, 2017, 1:10 PM CDT for 10 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2017, 1:10 PM CDT (18:10 UTC)
Expired
Apr 6, 2017, 7:00 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Mobile County, AL, Monroe County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 117 km from the middle of the area, began a volume at 18:09 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, 6.2 hours before the alert went out and 215 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 2017-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2017-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939587897117136156Sfc1 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
1184 m above ground
0-6 km bulk shear
113 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

245 
WWUS74 KMOB 061810 
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
110 PM CDT Thu Apr 6 2017

...Gusty Northwest Winds Continue Along immediate coast of 
Alabama and Northwest Florida and becoming better developed over 
inland areas of south central Alabama...

ALZ265-266-FLZ202-204-206-070000-
/O.EXP.KMOB.WI.Y.0006.000000T0000Z-170406T1800Z/
/O.NEW.KMOB.WI.Y.0007.170406T1810Z-170407T0000Z/
Mobile Coastal-Baldwin Coastal-Escambia Coastal-
Santa Rosa Coastal-Okaloosa Coastal-
Including the cities of 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
110 PM CDT Thu Apr 6 2017

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The National Weather Service in Mobile has issued a Wind
Advisory, which is in effect until 7 PM CDT this evening. 

* TIMING...Through early this afternoon.

* WINDS...Northwest winds 15 to 25 mph, with frequent gusts over 
  30 mph. 

* IMPACTS...Hazardous driving 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.

&&

$$

ALZ263-264-FLZ201-203-205-061915-
/O.EXP.KMOB.WI.Y.0006.000000T0000Z-170406T1800Z/
Mobile Central-Baldwin Central-Escambia Inland-Santa Rosa Inland-
Okaloosa Inland-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, 
Walnut Hill, Jay, Milton, and Crestview
110 PM CDT Thu Apr 6 2017

...WIND ADVISORY HAS BEEN CANCELED...

Gusty northwest winds at 20 to 30 mph will continue through the 
this afternoon with higher gusts mainly along the immediate coast.

$$

ALZ051-053>058-060-070000-
/O.NEW.KMOB.WI.Y.0007.170406T1810Z-170407T0000Z/
Choctaw-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-Covington-
Including the cities of Butler, Lisman, Silas, Grove Hill, 
Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, 
Evergreen, Greenville, Brantley, Luverne, Andalusia, and Opp
110 PM CDT Thu Apr 6 2017

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The National Weather Service in Mobile has issued a Wind
Advisory, which is in effect until 7 PM CDT this evening. 

* TIMING...Through this afternoon. 

* WINDS...20 to 30 mph with frequent gust above 30 mph. 

* IMPACTS...Hazardous 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 8:54 PM CDTSpecial Weather StatementMOBCrenshaw36 min
Apr 5, 9:13 PM CDTSpecial Weather StatementMOBCrenshaw47 min

Nearby

Wind Advisories in Alabama, 2017Wind Advisories in Florida, 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.