Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

August 15, 2021Walton County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 15, 2021, 1:27 PM CDT for Walton County, Florida. It was in force for 48 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 15, 2021, 1:27 PM CDT (18:27 UTC)
Expired: Aug 15, 2021, 2:15 PM CDT
In force: 48 min
Issued by: NWS Tallahassee, FL
Hail: 0.00 in
Wind: 40

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 26 km from the middle of the area, began a volume at 18:31 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, 6.5 hours before the alert went out and 180 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: 261 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1083 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 63 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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What forecasters said that day

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

NWS Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 15, 12:32 PM CDT, 55 minutes earlier.

Area forecast discussion, Aug 15, 12:32 PM CDT, 55 minutes before

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In the hours before

Special weather statement, Aug 15, 10:12 AM CDT, 3 hours 15 minutes before

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Special weather statement, Aug 15, 12:15 PM CDT, 1 hour 12 minutes before

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Special weather statement, Aug 15, 12:54 PM CDT, 33 minutes before

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Special weather statement, Aug 15, 1:00 PM CDT, 27 minutes before

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Special weather statement, Aug 15, 1:27 PM CDT, 0 minutes before

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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 14, 7:42 PM CDT	Special Weather Statement	TAE	Leon	33 min
Aug 14, 8:07 PM CDT	Areal Flood Advisory	TAE	Gadsden	53 min
Aug 15, 1:12 AM CDT	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	4 days
Aug 15, 1:12 AM CDT	High Surf Advisory	TAE	Bay, Franklin, Gulf, Walton	27 hr
Aug 15, 3:21 AM CDT	Flash Flood Watch	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 5 more	46 hr
Aug 15, 4:09 AM CDT	Tropical Storm Watch	TAE	Bay, Franklin, Gulf, Holmes, Walton, Washington	12 hr
Aug 15, 4:13 AM CDT	Small Craft Advisory	TAE		30 hr
Aug 15, 10:11 AM CDT	Storm Surge Warning	TAE	Dixie, Franklin, Jefferson, Taylor, Wakulla	36 hr
Aug 15, 10:11 AM CDT	Tropical Storm Warning	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more	42 hr
Aug 15, 10:12 AM CDT	Special Weather Statement	TAE	Franklin	33 min
Aug 15, 11:03 AM CDT	Coastal Flood Advisory	TAE	Bay, Dixie, Gulf, Walton	39 hr
Aug 15, 12:54 PM CDT	Special Weather Statement	TAE	Bay	36 min
Aug 15, 1:40 PM CDT	High Surf Warning	TAE	Bay, Franklin, Gulf, Walton	37 hr
Aug 15, 2:42 PM CDT	Special Weather Statement	TAE	Holmes, Walton	48 min
Aug 15, 12:15 PM CDT	Special Weather Statement	TAE	Lanier, Lowndes	45 min
Aug 15, 1:00 PM CDT	Special Weather Statement	TAE	Cook, Lanier, Lowndes	45 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.