Alert archive / Florida / Wind Advisories in 2021

Wind Advisory 12, NWS Mobile, AL

May 20, 2021Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this wind advisory at May 20, 2021, 3:53 PM CDT for Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at May 21, 2021, 9:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
May 20, 2021, 3:53 PM CDT (20:53 UTC)
In effect from
May 21, 2021, 9:00 AM CDT
Expired
May 21, 2021, 7:00 PM CDT
In force
10 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 20:54 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, 8.9 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 2021-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 622 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 2021-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 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
622 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

483 
WWUS74 KMOB 202053
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
353 PM CDT Thu May 20 2021

ALZ263>266-FLZ202-204-206-210500-
/O.NEW.KMOB.WI.Y.0012.210521T1400Z-210522T0000Z/
/O.CON.KMOB.WI.Y.0011.000000T0000Z-210521T0000Z/
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
353 PM CDT Thu May 20 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 9 AM TO 7 PM CDT FRIDAY...

* WHAT...For the first Wind Advisory, southeast winds 15 to 25 mph
  with gusts up to 35 mph. For the second Wind Advisory, southeast
  winds 15 to 25 mph with gusts up to 35 mph.

* WHERE...In Alabama, Mobile Central, Baldwin Central, Mobile 
  Coastal and Baldwin Coastal Counties. In Florida, Escambia 
  Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties.

* WHEN...For the first Wind Advisory, until 7 PM CDT this 
  evening. For the second Wind Advisory, from 9 AM to 7 PM CDT 
  Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
309 
WWUS74 KMOB 210339
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1039 PM CDT Thu May 20 2021

ALZ263>266-FLZ202-204-206-211200-
/O.CON.KMOB.WI.Y.0012.210521T1400Z-210522T0000Z/
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
1039 PM CDT Thu May 20 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 7 PM CDT FRIDAY...

* WHAT...Southeast winds 15 to 25 mph with gusts up to 35 mph.

* WHERE...In Alabama, Mobile Central, Baldwin Central, Mobile 
  Coastal and Baldwin Coastal Counties. In Florida, Escambia 
  Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties.

* WHEN...9 AM to 7 PM CDT Tomorrow.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
932 
WWUS74 KMOB 210834
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
334 AM CDT Fri May 21 2021

ALZ263>266-FLZ202-204-206-211700-
/O.CON.KMOB.WI.Y.0012.210521T1400Z-210522T0000Z/
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
334 AM CDT Fri May 21 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM
CDT THIS EVENING...

* WHAT...Southeast winds 15 to 25 mph with gusts up to 35 mph 
  expected.

* WHERE...In Alabama, Baldwin Coastal, Mobile Coastal, Baldwin 
  Central and Mobile Central Counties. In Florida, Santa Rosa 
  Coastal, Okaloosa Coastal and Escambia Coastal Counties.

* WHEN...From 9 AM this morning to 7 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
005 
WWUS74 KMOB 211657
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1157 AM CDT Fri May 21 2021

ALZ263>266-FLZ202-204-206-220000-
/O.CON.KMOB.WI.Y.0012.000000T0000Z-210522T0000Z/
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
1157 AM CDT Fri May 21 2021

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

* WHAT...Southeast winds 15 to 25 mph with gusts up to 35 mph 
  expected.

* WHERE...In Alabama, Baldwin Coastal, Mobile Coastal, Baldwin 
  Central and Mobile Central Counties. In Florida, Santa Rosa 
  Coastal, Okaloosa Coastal and Escambia Coastal Counties.

* WHEN...Through 7 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 3:49 PM CDTGale WarningMOB20 hr
May 20, 3:49 PM CDTSmall Craft AdvisoryMOB50 hr

Nearby

Wind Advisories in Florida, 2021Wind Advisories in Alabama, 2021Every wind advisory in 2021

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.