Alert archive / Alabama / Wind Advisories in 2018

Wind Advisory 2, NWS Mobile, AL

March 12, 201812 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi

NWS Mobile, AL issued this wind advisory at Mar 12, 2018, 5:00 AM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 12, 2018, 5:00 AM CDT (10:00 UTC)
Expired
Mar 12, 2018, 5:00 PM CDT
In force
12 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, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 09:59 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 00:00Z, 10.0 hours before the alert went out and 223 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 00:00Z on 2018-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 00:00Z on 2018-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 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
9 J/kg
Mixed-layer CIN
-231 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

553 
WWUS74 KMOB 121000
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
500 AM CDT Mon Mar 12 2018

...INCREASED NORTHWEST WINDS WILL IMPACT THE REGION TODAY...

.A tight gradient between low pressure moving into the western 
Atlantic and a strong ridge of high pressure building across the 
Plains will result in increased northwest winds, with frequent 
gusts between 25 and 35 mph across our region through this 
afternoon.

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-121800-
/O.NEW.KMOB.WI.Y.0002.180312T1000Z-180312T2200Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, 
Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Waynesboro, Beaumont, 
New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale
500 AM CDT Mon Mar 12 2018

...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON...

The National Weather Service in Mobile has issued a Wind
Advisory, which is in effect until 5 PM CDT this afternoon. 

* TIMING...Through late this afternoon. 

* WINDS...Northwest winds 15 to 25 mph with frequent gusts of 25
  to 35 mph. 

* IMPACTS...Strong northwest winds could result in hazardous
  driving conditions, especially for high profile vehicles on east
  and west oriented roadways. 

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.

&&

$$
1 follow-up statement
879 
WWUS74 KMOB 121709
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1209 PM CDT Mon Mar 12 2018

...INCREASED NORTHWEST WINDS IMPACT THE SOUTHEAST ZONES INCLUDING
THE GULF COAST THROUGH MUCH OF THE AFTERNOON...

.The pressure difference between a high pressure system approaching
from the west and a departing surface frontal low lifting northeast
off the Mid-Atlantic coast maintains strong, gusty northwest 
winds generally southeast of I-65 including the coastal zones 
through much of the afternoon. Northwest of I-65, wind gusts will 
trend below advisory criteria the remainder of the afternoon. 

ALZ051>055-MSZ067-075-076-078-079-121815-
/O.CAN.KMOB.WI.Y.0002.000000T0000Z-180312T2200Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Wayne-Perry-Greene-Stone-
George-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Waynesboro, Beaumont, New Augusta, Richton, 
Leakesville, McLain, Wiggins, and Lucedale
1209 PM CDT Mon Mar 12 2018

...WIND ADVISORY IS CANCELLED...

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

Latest observations show wind gusts trending below wind advisory
criteria.

$$

ALZ056>060-261>266-FLZ201>206-122200-
/O.CON.KMOB.WI.Y.0002.000000T0000Z-180312T2200Z/
Conecuh-Butler-Crenshaw-Escambia-Covington-Mobile Inland-
Baldwin Inland-Mobile Central-Baldwin Central-Mobile Coastal-
Baldwin Coastal-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-Okaloosa Inland-
Okaloosa Coastal-
Including the cities of Evergreen, Greenville, Brantley, Luverne,
Atmore, Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, and Wright
1209 PM CDT Mon Mar 12 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* TIMING...Through late this afternoon.

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

* IMPACTS...Strong northwest winds could result in hazardous 
  driving conditions, especially for high profile vehicles on 
  east and west oriented roadways. 

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.

&&

$$

Nearby

Wind Advisories in Alabama, 2018Wind Advisories in Mississippi, 2018Wind Advisories in Florida, 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.