Alert archive / Florida / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 304, NWS Tallahassee, FL

August 17, 20264 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 17, 2026, 3:33 PM CDT for 4 counties in Florida. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 17, 2026, 3:33 PM CDT (20:33 UTC)
Expired: Aug 17, 2026, 4:15 PM CDT
In force: 42 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bay County, FL, Calhoun County, FL, Gulf County, FL, Liberty County, FL

The radar

The Eglin Afb radar (KEVX), 77 km from the middle of the area, began a volume at 20:35 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.6 hours before the alert went out and 360 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: 1735 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1174 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: -20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 17, 2:37 PM CDT, 56 minutes earlier.

Area forecast discussion, Aug 17, 2:37 PM CDT, 56 minutes before

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In the hours before

Special weather statement, Aug 17, 2:24 PM CDT, 1 hour 9 minutes before

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Special weather statement, Aug 17, 2:58 PM CDT, 35 minutes before

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Special weather statement, Aug 17, 3:01 PM CDT, 32 minutes before

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Special weather statement, Aug 17, 3:04 PM CDT, 29 minutes before

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Special weather statement, Aug 17, 3:12 PM CDT, 21 minutes before

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Special weather statement, Aug 17, 3:15 PM CDT, 18 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 17, 2:21 AM CDT	Rip Current Statement	TAE	Bay, Gulf	25 hr
Aug 17, 12:40 PM CDT	Heat Advisory	TAE	Walton	30 hr
Aug 17, 12:40 PM CDT	Extreme Heat Warning	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more	30 hr
Aug 17, 2:04 PM CDT	Special Weather Statement	TAE	Walton	26 min
Aug 17, 2:13 PM CDT	Special Marine Warning	TAE		62 min
Aug 17, 2:13 PM CDT	Special Weather Statement	TAE	Franklin	62 min
Aug 17, 2:24 PM CDT	Special Weather Statement	TAE	Walton	51 min
Aug 17, 3:01 PM CDT	Special Weather Statement	TAE	Calhoun, Liberty	59 min
Aug 17, 3:12 PM CDT	Special Weather Statement	TAE	Jefferson	33 min
Aug 17, 3:52 PM CDT	Special Weather Statement	TAE	Wakulla	53 min
Aug 17, 3:59 PM CDT	Special Weather Statement	TAE	Liberty	61 min
Aug 17, 4:34 PM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gulf, Liberty, Wakulla	56 min
Aug 17, 4:56 PM CDT	Special Weather Statement	TAE	Walton	64 min
Aug 17, 5:05 PM CDT	Special Weather Statement	TAE	Franklin	25 min
Aug 17, 5:18 PM CDT	Special Weather Statement	TAE	Holmes	57 min
Aug 17, 5:26 PM CDT	Special Weather Statement	TAE	Wakulla	64 min
Aug 17, 5:33 PM CDT	Special Marine Warning	TAE		87 min
Aug 17, 5:37 PM CDT	Severe Thunderstorm Warning	TAE	Walton	38 min
Aug 17, 6:07 PM CDT	Special Weather Statement	TAE	Walton	23 min
Aug 17, 1:43 PM CDT	Special Weather Statement	TAE	Baker, Dougherty, Early, Miller, Worth	32 min
Aug 17, 1:44 PM CDT	Special Weather Statement	TAE	Irwin	46 min
Aug 17, 2:16 PM CDT	Special Weather Statement	TAE	Thomas	59 min
Aug 17, 2:17 PM CDT	Special Weather Statement	TAE	Early, Miller	58 min
Aug 17, 2:58 PM CDT	Special Weather Statement	TAE	Terrell	62 min
Aug 17, 3:04 PM CDT	Special Weather Statement	TAE	Worth	56 min
Aug 17, 3:15 PM CDT	Special Weather Statement	TAE	Lowndes	45 min
Aug 17, 5:03 PM CDT	Special Weather Statement	TAE	Calhoun	57 min
Aug 17, 5:23 PM CDT	Special Weather Statement	TAE	Grady	37 min
Aug 17, 5:24 PM CDT	Special Weather Statement	TAE	Lowndes	66 min
Aug 17, 1:49 PM CDT	Special Weather Statement	TAE	Coffee	41 min

Nearby

Severe Thunderstorm Warnings in Florida, 2026 Every severe thunderstorm warning in 2026

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.