Alert archive / Florida / Wind Advisories in 2021
Wind Advisory 16, NWS Mobile, AL
NWS Mobile, AL issued this wind advisory at Aug 16, 2021, 3:57 PM CDT for Okaloosa County, Florida. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 2021, 3:57 PM CDT (20:57 UTC)
- Expired
- Aug 16, 2021, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 65 km from the middle of the area, began a volume at 20:58 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, 9.0 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.
- Mixed-layer CAPE
- 368 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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. $$ FLZ206-170300- /O.NEW.KMOB.WI.Y.0016.210816T2057Z-210817T0300Z/ Okaloosa Coastal- Including the cities of Destin, Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, and Wright 357 PM CDT Mon Aug 16 2021 ...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 35 mph. * WHERE...Okaloosa Coastal County. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
1 follow-up statement
809 WWUS74 KMOB 170300 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 1000 PM CDT Mon Aug 16 2021 FLZ206-170400- /O.EXP.KMOB.WI.Y.0016.000000T0000Z-210817T0300Z/ Okaloosa Coastal- Including the cities of Destin, Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, and Wright 1000 PM CDT Mon Aug 16 2021 ...WIND ADVISORY HAS EXPIRED... Sustained winds have decreased to below 15 mph, and wind gusts are no higher than around 20 knots. Therefore, the Wind Advisory was allowed to expire at 10 PM. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 10:17 PM CDT | Wind Advisory | MOB | Escambia, Santa Rosa | 18 hr |
| Aug 16, 7:38 AM CDT | River Flood Warning | MOB | Okaloosa | 13 hr |
| Aug 16, 3:56 PM CDT | High Surf Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 6 hr |
Nearby
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.