Alert archive / Alabama / Wind Advisories in 2022

Wind Advisory 16, NWS Mobile, AL

December 30, 2022Okaloosa County, Florida; Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this wind advisory at Dec 30, 2022, 10:20 PM CST for Okaloosa County, Florida; Covington County, Crenshaw County, Alabama. It was in force for 90 min.

The area

The counties it named.

The facts

Issued
Dec 30, 2022, 10:20 PM CST (04:20 UTC)
Expired
Dec 30, 2022, 11:50 PM CST
In force
90 min
Issued by
NWS Mobile, AL

Counties Covington County, AL, Crenshaw County, AL, Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 88 km from the middle of the area, began a volume at 04:23 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, 4.3 hours before the alert went out and 221 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 2022-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Birmingham, AL at 00:00Z on 2022-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
17 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

180 
WWUS74 KMOB 310420
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1020 PM CST Fri Dec 30 2022

ALZ058-060-FLZ205-206-310600-
/O.NEW.KMOB.WI.Y.0016.221231T0420Z-221231T0600Z/
Crenshaw-Covington-Okaloosa Inland-Okaloosa Coastal-
Including the cities of Brantley, Luverne, Andalusia, Opp, 
Crestview, Destin, Eglin AFB, Fort Walton Beach, Niceville, 
Seminole, Valparaiso, and Wright
1020 PM CST Fri Dec 30 2022

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...East winds 20 to 25 mph with gusts up to 50 mph.

* WHERE...In Alabama, Crenshaw and Covington Counties. In 
  Florida, Okaloosa Inland and Okaloosa Coastal Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...A wake low has developed across the area
  with strong east winds continuing in areas where precipitation
  has ended. These strong winds will be short duration but could
  result in downed trees and power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

JLH
1 follow-up statement
460 
WWUS74 KMOB 310550
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1150 PM CST Fri Dec 30 2022

ALZ058-060-FLZ205-206-310700-
/O.CAN.KMOB.WI.Y.0016.000000T0000Z-221231T0600Z/
Crenshaw-Covington-Okaloosa Inland-Okaloosa Coastal-
Including the cities of Brantley, Luverne, Andalusia, Opp, 
Crestview, Destin, Eglin AFB, Fort Walton Beach, Niceville, 
Seminole, Valparaiso, and Wright
1150 PM CST Fri Dec 30 2022

...WIND ADVISORY IS CANCELLED...

The wake low has weakened and winds are continuing to diminish
late this evening, therefore the wind advisory is cancelled.

$$

ALZ051>053-261>266-MSZ067-075-076-078-079-311600-
/O.NEW.KMOB.FG.Y.0035.221231T0550Z-221231T1600Z/
Choctaw-Washington-Clarke-Mobile Inland-Baldwin Inland-
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Wayne-Perry-Greene-Stone-George-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, 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, Waynesboro, Beaumont, 
New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale
1150 PM CST Fri Dec 30 2022

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST SATURDAY...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of southwest Alabama and southeast 
  Mississippi.

* WHEN...Until 10 AM CST Saturday.

* IMPACTS...Hazardous driving conditions due to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

JLH

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 6:07 PM CSTSpecial Marine WarningMOB70 min
Dec 30, 11:50 PM CSTDense Fog AdvisoryMOBBaldwin, Choctaw, Clarke, Mobile, Washington10 hr

Nearby

Wind Advisories in Alabama, 2022Wind Advisories in Florida, 2022Every wind advisory in 2022

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.