Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

February 9, 2021Baker County, Florida

NWS Jacksonville, FL issued this special weather statement at Feb 9, 2021, 8:28 AM EST for Baker County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Feb 9, 2021, 8:28 AM EST (13:28 UTC)
Expired: Feb 9, 2021, 9:00 AM EST
In force: 32 min
Issued by: NWS Jacksonville, FL

County Baker County, FL

The radar

The Jacksonville radar (KJAX), 43 km from the middle of the area, began a volume at 13:30 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, 1.5 hours before the alert went out and 208 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: 59 J/kg
Mixed-layer CIN: -183 J/kg
Mixed-layer LCL: 488 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.1

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 4:22 AM EST	Dense Fog Advisory	JAX	Alachua, Baker, Bradford, Duval, Flagler, Gilchrist and 3 more	6 hr
Feb 9, 4:25 AM EST	Marine Dense Fog Advisory	JAX		9 hr
Feb 9, 8:47 AM EST	Special Weather Statement	JAX	Duval	43 min
Feb 9, 9:31 AM EST	Special Weather Statement	JAX	Columbia, Union	44 min
Feb 9, 10:11 AM EST	Special Weather Statement	JAX	Bradford, Union	49 min
Feb 9, 10:46 AM EST	Special Weather Statement	JAX	Duval	44 min
Feb 9, 10:58 AM EST	Severe Thunderstorm Warning	JAX	Clay, Duval, Saint Johns	32 min
Feb 9, 11:27 AM EST	Special Weather Statement	JAX	Duval	33 min
Feb 9, 11:52 AM EST	Special Marine Warning	JAX		53 min
Feb 9, 11:54 AM EST	Special Weather Statement	JAX	Saint Johns	21 min
Feb 9, 12:18 PM EST	Special Marine Warning	JAX		87 min
Feb 9, 1:25 PM EST	Special Weather Statement	JAX	Baker	35 min
Feb 9, 8:50 AM EST	Special Weather Statement	JAX	Echols	25 min
Feb 9, 9:00 AM EST	Special Weather Statement	JAX	Atkinson, Coffee	45 min
Feb 9, 9:19 AM EST	Special Weather Statement	JAX	Clinch, Ware	26 min

Nearby

Special Weather Statements in Florida, 2021 Every special weather statement 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.