Alert archive / Florida / Wind Advisories in 2021
Wind Advisory 2, NWS Jacksonville, FL
NWS Jacksonville, FL issued this wind advisory at Mar 20, 2021, 7:32 AM EDT for Duval County, Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Mar 20, 2021, 7:32 AM EDT (11:32 UTC)
- Expired
- Mar 20, 2021, 11:00 PM EDT
- In force
- 15 hr
- Issued by
- NWS Jacksonville, FL
Counties Duval County, FL, Flagler County, FL, Nassau County, FL, Camden County, GA, Glynn County, GA
The radar
The Jacksonville radar (KJAX), 13 km from the middle of the area, began a volume at 11:33 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
Jacksonville, FL (KJAX), launched 00:00Z, 11.5 hours before the alert went out and 13 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
- 4 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1328 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- -113 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
656 WWUS72 KJAX 201132 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 732 AM EDT Sat Mar 20 2021 FLZ124-125-133-138-GAZ154-166-210300- /O.NEW.KJAX.WI.Y.0002.210320T1132Z-210321T0300Z/ Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler- Coastal Glynn-Coastal Camden- Including the cities of Amelia City, Fernandina Beach, Yulee, Arlington, Jacksonville, Oceanway, Tallyrand, Ponte Vedra Beach, Durbin, Palm Valley, Anastasia, Saint Augustine, Palm Coast, Jekyll Island, Glynn Haven, Sea Island, St. Simons, Country Club Estate, Dock Junction, Dover Bluff, Kingsland, and Dungeness 732 AM EDT Sat Mar 20 2021 ...WIND ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 40 to 45 mph. * WHERE...In Georgia, Coastal Glynn and Coastal Camden Counties. In Florida, Coastal Nassau, Coastal Duval, Coastal St. Johns and Coastal Flagler Counties. * WHEN...Until 11 PM EDT 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. && $$
1 follow-up statement
033 WWUS72 KJAX 210234 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1034 PM EDT Sat Mar 20 2021 FLZ124-125-133-138-GAZ154-166-210345- /O.EXP.KJAX.WI.Y.0002.000000T0000Z-210321T0300Z/ Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler- Coastal Glynn-Coastal Camden- Including the cities of Amelia City, Fernandina Beach, Yulee, Arlington, Jacksonville, Oceanway, Tallyrand, Ponte Vedra Beach, Durbin, Palm Valley, Anastasia, Saint Augustine, Palm Coast, Jekyll Island, Glynn Haven, Sea Island, St. Simons, Country Club Estate, Dock Junction, Dover Bluff, Kingsland, and Dungeness 1034 PM EDT Sat Mar 20 2021 ...WIND ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING... $$
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 3:00 AM EDT | Small Craft Advisory | JAX | 38 hr | |
| Mar 20, 3:04 AM EDT | Rip Current Statement | JAX | Duval, Flagler, Nassau | 4 days |
| Mar 20, 3:04 AM EDT | High Surf Advisory | JAX | Duval, Flagler, Nassau | 3 days |
| Mar 20, 10:00 AM EDT | Small Craft Advisory | JAX | 3 days |
Nearby
Wind Advisories in Florida, 2021Wind Advisories in Georgia, 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.