Alert archive / Florida / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 324, NWS Tallahassee, FL

August 20, 2026Dixie County, Lafayette County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 20, 2026, 6:36 PM EDT for Dixie County, Lafayette County, Florida. It was in force for 54 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 20, 2026, 6:36 PM EDT (22:36 UTC)
Expired: Aug 20, 2026, 7:30 PM EDT
In force: 54 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dixie County, FL, Lafayette County, FL

The radar

The Moody AFB radar (KVAX), 124 km from the middle of the area, began a volume at 22:38 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

Tampa Bay, FL (KTBW), launched 12:00Z, 10.6 hours before the alert went out and 243 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: 1463 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 11 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 20, 3:22 PM EDT, 3 hours 14 minutes earlier.

Area forecast discussion, Aug 20, 3:22 PM EDT, 3 hours 14 minutes before

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In the hours before

Special weather statement, Aug 20, 5:33 PM EDT, 1 hour 3 minutes before

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Special weather statement, Aug 20, 5:47 PM EDT, 49 minutes before

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Special weather statement, Aug 20, 5:49 PM EDT, 47 minutes before

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Special weather statement, Aug 20, 6:17 PM EDT, 19 minutes before

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Special weather statement, Aug 20, 6:19 PM EDT, 17 minutes before

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Special weather statement, Aug 20, 6:22 PM EDT, 14 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 19, 8:07 PM EDT	Special Weather Statement	TAE	Madison	68 min
Aug 20, 2:36 AM EDT	Heat Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more	17 hr
Aug 20, 3:28 AM EDT	Rip Current Statement	TAE	Gulf	23 hr
Aug 20, 10:58 AM EDT	Special Marine Warning	TAE		92 min
Aug 20, 12:30 PM EDT	Special Marine Warning	TAE		60 min
Aug 20, 1:49 PM EDT	Special Weather Statement	TAE	Bay	26 min
Aug 20, 2:21 PM EDT	Heat Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more	30 hr
Aug 20, 2:21 PM EDT	Special Weather Statement	TAE	Walton	24 min
Aug 20, 2:35 PM EDT	Special Weather Statement	TAE	Bay	25 min
Aug 20, 2:46 PM EDT	Special Weather Statement	TAE	Walton	29 min
Aug 20, 3:13 PM EDT	Special Weather Statement	TAE	Bay	32 min
Aug 20, 3:16 PM EDT	Special Weather Statement	TAE	Walton	44 min
Aug 20, 3:41 PM EDT	Areal Flood Advisory	TAE	Walton	2 hr
Aug 20, 3:45 PM EDT	Special Weather Statement	TAE	Calhoun	30 min
Aug 20, 4:00 PM EDT	Special Weather Statement	TAE	Liberty	30 min
Aug 20, 4:00 PM EDT	Special Weather Statement	TAE	Walton	30 min
Aug 20, 4:09 PM EDT	Special Weather Statement	TAE	Leon	36 min
Aug 20, 4:49 PM EDT	Special Weather Statement	TAE	Liberty	41 min
Aug 20, 5:47 PM EDT	Special Weather Statement	TAE	Franklin	28 min
Aug 20, 5:49 PM EDT	Special Weather Statement	TAE	Jefferson	26 min
Aug 20, 6:17 PM EDT	Special Weather Statement	TAE	Gadsden	28 min
Aug 20, 6:19 PM EDT	Special Weather Statement	TAE	Lafayette	26 min
Aug 20, 7:11 PM EDT	Areal Flood Advisory	TAE	Dixie, Lafayette	2 hr
Aug 20, 7:21 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Madison, Taylor	84 min
Aug 20, 7:07 PM EDT	Special Weather Statement	TAE	Randolph	38 min
Aug 20, 7:12 PM EDT	Special Weather Statement	TAE	Terrell	33 min
Aug 20, 7:23 PM EDT	Severe Thunderstorm Warning	TAE	Terrell	37 min
Aug 20, 7:41 PM EDT	Special Weather Statement	TAE	Mitchell	34 min
Aug 20, 7:53 PM EDT	Areal Flood Advisory	TAE	Terrell	2 hr
Aug 20, 7:59 PM EDT	Special Weather Statement	TAE	Quitman	31 min
Aug 20, 5:33 PM EDT	Special Weather Statement	TAE	Henry	42 min
Aug 20, 6:22 PM EDT	Special Weather Statement	TAE	Dale	23 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.