Alert archive / Florida / Special Weather Statements in 2019

Special Weather Statement, NWS Tallahassee, FL

August 7, 2019Walton County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 7, 2019, 5:29 PM CDT for Walton County, Florida. It was in force for 46 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: Aug 7, 2019, 5:29 PM CDT (22:29 UTC)
Expired: Aug 7, 2019, 6:15 PM CDT
In force: 46 min
Issued by: NWS Tallahassee, FL

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 37 km from the middle of the area, began a volume at 22:29 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 10.5 hours before the alert went out and 19 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: 1398 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:13 AM CDT	Special Marine Warning	TAE		47 min
Aug 7, 8:34 AM CDT	Special Marine Warning	TAE		56 min
Aug 7, 9:30 AM CDT	Special Marine Warning	TAE		90 min
Aug 7, 3:54 PM CDT	Special Weather Statement	TAE	Liberty	51 min
Aug 7, 4:04 PM CDT	Special Weather Statement	TAE	Wakulla	41 min
Aug 7, 4:10 PM CDT	Special Weather Statement	TAE	Madison	50 min
Aug 7, 4:38 PM CDT	Special Weather Statement	TAE	Walton	52 min
Aug 7, 5:20 PM CDT	Special Weather Statement	TAE	Taylor	40 min

Nearby

Special Weather Statements in Florida, 2019 Every special weather statement in 2019

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.