Alert archive / Florida / Wind Advisories in 2021

Wind Advisory 4, NWS Tallahassee, FL

June 21, 2021Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this wind advisory at Jun 21, 2021, 6:45 PM CDT for Bay County, Gulf County, Walton County, Florida. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 2021, 6:45 PM CDT (23:45 UTC)
Expired
Jun 22, 2021, 1:00 AM CDT
In force
6 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Gulf County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 23:48 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.8 hours before the alert went out and 134 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, Tallahassee Rgnl, FL at 12:00Z on 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Tallahassee Rgnl, FL at 12:00Z on 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1555 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-75 m²/s²
0-3 km storm-relative helicity
-94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

997 
WWUS72 KTAE 212345
NPWTAE

URGENT - WEATHER MESSAGE
National Weather Service Tallahassee FL
745 PM EDT Mon Jun 21 2021

FLZ012-014-108-112-114-220600-
/O.NEW.KTAE.WI.Y.0004.210621T2345Z-210622T0600Z/
Inland Bay-Inland Gulf-South Walton-Coastal Bay-Coastal Gulf-
Including the cities of Bennett, Econfina, Nixon, Youngstown, 
Howard Creek, Dalkeith, Honeyville, Wewahitchka, Sandestin, 
Santa Rosa Beach, Turquoise Beach, Bunker, Freeport, Portland, 
Port Washington, Panama City, Callaway, Cairo, Lynn Haven, 
Southport, Vicksburg, Magnolia Beach, Oak Grove, Odena, 
Port St. Joe, White City, Beacon Hill, Overstreet, 
and Saint Joe Beach
745 PM EDT Mon Jun 21 2021 /645 PM CDT Mon Jun 21 2021/

...WIND ADVISORY IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ TUESDAY...

* WHAT...Gusty winds of 35 to 45mph

* WHERE...Along the Panhandle Coast

* WHEN...Through 1 AM CDT

* IMPACTS...Winds could knock over patio furniture or other
  unsecured light items 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 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 Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 8:51 AM CDTSpecial Marine WarningTAE114 min
Jun 21, 9:21 AM CDTSpecial Weather StatementTAECalhoun, Liberty39 min
Jun 21, 9:32 AM CDTSpecial Weather StatementTAEJefferson43 min
Jun 21, 9:42 AM CDTSpecial Weather StatementTAEBay48 min
Jun 21, 10:00 AM CDTSpecial Weather StatementTAEWakulla45 min
Jun 21, 10:30 AM CDTSpecial Marine WarningTAE2 hr
Jun 21, 10:36 AM CDTSpecial Weather StatementTAELiberty39 min
Jun 21, 10:52 AM CDTSpecial Marine WarningTAE113 min
Jun 21, 11:06 AM CDTSpecial Weather StatementTAEJefferson39 min
Jun 21, 11:30 AM CDTSpecial Weather StatementTAEMadison, Taylor30 min
Jun 21, 11:47 AM CDTSpecial Weather StatementTAEWalton43 min
Jun 21, 12:29 PM CDTSpecial Marine WarningTAE2 hr
Jun 21, 12:33 PM CDTSpecial Marine WarningTAE117 min
Jun 21, 12:52 PM CDTSpecial Weather StatementTAEHolmes, Walton38 min
Jun 21, 1:11 PM CDTSpecial Marine WarningTAE2 hr
Jun 21, 1:18 PM CDTSpecial Weather StatementTAEDixie, Lafayette, Taylor42 min
Jun 21, 1:28 PM CDTSpecial Weather StatementTAEHolmes47 min
Jun 21, 1:47 PM CDTFlash Flood WatchTAEBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more23 hr
Jun 21, 1:54 PM CDTSpecial Weather StatementTAEDixie, Lafayette51 min
Jun 21, 2:05 PM CDTSpecial Weather StatementTAEHolmes40 min
Jun 21, 2:41 PM CDTSpecial Marine WarningTAE3 hr
Jun 21, 3:28 PM CDTSpecial Marine WarningTAE3 hr
Jun 21, 6:23 PM CDTSmall Craft AdvisoryTAE7 hr
Jun 21, 6:30 PM CDTSpecial Marine WarningTAE3 hr

Nearby

Wind 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.