Alert archive / Alabama / Wind Advisories in 2021

Wind Advisory 15, NWS Mobile, AL

August 15, 20214 counties in Alabama; Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this wind advisory at Aug 15, 2021, 10:17 PM CDT for 4 counties in Alabama; Escambia County, Santa Rosa County, Florida. It took effect at Aug 16, 2021, 1:00 PM CDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 15, 2021, 10:17 PM CDT (03:17 UTC)
In effect from
Aug 16, 2021, 1:00 PM CDT
Expired
Aug 16, 2021, 3:57 PM CDT
In force
3 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Conecuh County, AL, Crenshaw County, AL, Escambia County, AL, Escambia County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 120 km from the middle of the area, began a volume at 03:17 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, 3.3 hours before the alert went out and 218 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 2021-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 657 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 2021-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
657 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

514 
WWUS74 KMOB 160317
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1017 PM CDT Sun Aug 15 2021

ALZ056>059-FLZ201>204-161130-
/O.NEW.KMOB.WI.Y.0015.210816T1800Z-210817T1200Z/
Conecuh-Butler-Crenshaw-Escambia-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-
Including the cities of Evergreen, Greenville, Brantley, Luverne,
Atmore, Brewton, Flomaton, Century, Molino, Walnut Hill, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, and Navarre
1017 PM CDT Sun Aug 15 2021

...WIND ADVISORY IN EFFECT FROM 1 PM MONDAY TO 7 AM CDT TUESDAY...

* WHAT...Northeast winds 15 to 25 mph with frequent gusts to
  around 30 mph.

* WHERE...In Alabama, Conecuh, Butler, Crenshaw and Escambia 
  Counties. In Florida, Escambia Inland, Escambia Coastal, Santa 
  Rosa Inland and Santa Rosa Coastal Counties.

* WHEN...From 1 PM Monday to 7 AM CDT Tuesday.

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

* ADDITIONAL DETAILS...These windy consitions will occur after
  Fred makes landfall and moves northward across portions of the
  western Florida Panhandle and south central Alabama.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
377 
WWUS74 KMOB 161305
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
805 AM CDT Mon Aug 16 2021

ALZ056>059-FLZ201>204-162130-
/O.CON.KMOB.WI.Y.0015.210816T1800Z-210817T1200Z/
Conecuh-Butler-Crenshaw-Escambia-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-
Including the cities of Evergreen, Greenville, Brantley, Luverne,
Atmore, Brewton, Flomaton, Century, Molino, Walnut Hill, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, and Navarre
805 AM CDT Mon Aug 16 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM CDT TUESDAY...

* WHAT...Northeast winds 15 to 25 mph with frequent gusts to 
  around 30 mph.

* WHERE...In Alabama, Conecuh, Butler, Crenshaw and Escambia 
  Counties. In Florida, Escambia Inland, Escambia Coastal, Santa 
  Rosa Inland and Santa Rosa Coastal Counties.

* WHEN...From 1 PM Monday to 7 AM CDT Tuesday.

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

* ADDITIONAL DETAILS...These windy consitions will occur after 
  Fred makes landfall and moves northward across portions of the 
  western Florida Panhandle and south central Alabama.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
667 
WWUS74 KMOB 161605
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1105 AM CDT Mon Aug 16 2021

ALZ056-059-FLZ201-161715-
/O.CAN.KMOB.WI.Y.0015.210816T1800Z-210817T1200Z/
Conecuh-Escambia-Escambia Inland-
Including the cities of Evergreen, Atmore, Brewton, Flomaton, 
Century, Molino, and Walnut Hill
1105 AM CDT Mon Aug 16 2021

...WIND ADVISORY IS CANCELLED...

$$

ALZ057-058-FLZ202>204-170015-
/O.EXT.KMOB.WI.Y.0015.210816T1800Z-210817T0700Z/
Butler-Crenshaw-Escambia Coastal-Santa Rosa Inland-
Santa Rosa Coastal-
Including the cities of Greenville, Brantley, Luverne, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, and Navarre
1105 AM CDT Mon Aug 16 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM CDT TUESDAY...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 30 mph 
  expected.

* WHERE...In Alabama, Crenshaw and Butler Counties. In Florida, 
  Santa Rosa Coastal, Escambia Coastal and Santa Rosa Inland 
  Counties.

* WHEN...Until 2 AM CDT Tuesday.

* 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.

&&

$$
693 
WWUS74 KMOB 162057
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
357 PM CDT Mon Aug 16 2021

ALZ057-058-FLZ202>204-162200-
/O.CAN.KMOB.WI.Y.0015.000000T0000Z-210817T0700Z/
Butler-Crenshaw-Escambia Coastal-Santa Rosa Inland-
Santa Rosa Coastal-
Including the cities of Greenville, Brantley, Luverne, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, and Navarre
357 PM CDT Mon Aug 16 2021

...WIND ADVISORY IS CANCELLED...

Wind speeds are not expected to be sufficient to warrant
continuation of the advisory.

$$

FLZ206-170300-
/O.NEW.KMOB.WI.Y.0016.210816T2057Z-210817T0300Z/
Okaloosa Coastal-
Including the cities of Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, and Wright
357 PM CDT Mon Aug 16 2021

...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

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

* WHERE...Okaloosa Coastal County.

* WHEN...Until 10 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
Aug 16, 7:38 AM CDTRiver Flood WarningMOBOkaloosa13 hr
Aug 16, 3:56 PM CDTHigh Surf AdvisoryMOBEscambia, Okaloosa, Santa Rosa6 hr
Aug 16, 3:57 PM CDTWind AdvisoryMOBOkaloosa6 hr

Nearby

Wind Advisories in Alabama, 2021Wind Advisories in Florida, 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.