Alert archive / Florida / Wind Advisories in 2023

Wind Advisory 5, NWS Jacksonville, FL

April 8, 20234 counties in Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this wind advisory at Apr 8, 2023, 2:06 PM EDT for 4 counties in Florida; Camden County, Glynn County, Georgia. It took effect at Apr 9, 2023, 10:00 AM EDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued: Apr 8, 2023, 2:06 PM EDT (18:06 UTC)
In effect from: Apr 9, 2023, 10:00 AM EDT
Expired: Apr 10, 2023, 7:55 PM EDT
In force: 34 hr
Issued by: NWS Jacksonville, FL

Counties Clay County, FL, Duval County, FL, Flagler County, FL, Nassau County, FL, Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 11 km from the middle of the area, began a volume at 18:07 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 12:00Z, 6.1 hours before the alert went out and 12 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 288 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 615 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this wind advisory went out at Apr 8, 1:58 PM EDT, 8 minutes earlier.

Area forecast discussion, Apr 8, 1:58 PM EDT, 8 minutes before

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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 8, 2:08 PM EDT	Coastal Flood Watch	JAX	Duval, Flagler, Nassau	13 hr
Apr 8, 2:30 PM EDT	Gale Warning	JAX		49 hr
Apr 8, 3:08 PM EDT	Special Weather Statement	JAX	Hamilton	37 min
Apr 8, 4:15 PM EDT	Special Weather Statement	JAX	Hamilton	30 min
Apr 8, 4:38 PM EDT	Special Weather Statement	JAX	Suwannee	37 min
Apr 8, 4:44 PM EDT	Special Weather Statement	JAX	Baker	31 min
Apr 8, 5:27 PM EDT	Special Weather Statement	JAX	Columbia	33 min
Apr 8, 5:48 PM EDT	Tornado Warning	JAX	Columbia	27 min
Apr 8, 5:52 PM EDT	Special Weather Statement	JAX	Baker	38 min
Apr 8, 5:55 PM EDT	Special Weather Statement	JAX	Bradford, Union	35 min
Apr 8, 6:14 PM EDT	Tornado Warning	JAX	Baker, Columbia, Union	31 min
Apr 8, 6:28 PM EDT	Special Weather Statement	JAX	Clay	32 min
Apr 8, 6:29 PM EDT	Special Weather Statement	JAX	Baker	31 min
Apr 8, 6:45 PM EDT	Special Weather Statement	JAX	Union	30 min
Apr 8, 7:01 PM EDT	Special Weather Statement	JAX	Clay	29 min
Apr 8, 7:54 PM EDT	Special Weather Statement	JAX	Union	36 min
Apr 7, 10:15 PM EDT	Special Weather Statement	JAX	Ware	30 min
Apr 7, 10:48 PM EDT	Special Weather Statement	JAX	Bacon, Ware	42 min

Nearby

Wind Advisories in Florida, 2023 Wind Advisories in Georgia, 2023 Every wind advisory in 2023

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.