Alert archive / Florida / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 310, NWS Tallahassee, FL

August 18, 2026Holmes County, Walton County, Washington County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 18, 2026, 4:58 PM CDT for Holmes County, Walton County, Washington County, Florida. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 18, 2026, 4:58 PM CDT (21:58 UTC)
Expired: Aug 18, 2026, 5:30 PM CDT
In force: 32 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Holmes County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 14 km from the middle of the area, began a volume at 22:00 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.

What was reported inside it

Time	Report	Where	Remark
Aug 18, 5:15 PM CDT	TSTM WND DMG	Ponce De Leon, FL	Scattered trees down in throughout Holmes county.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.0 hours before the alert went out and 290 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: 1464 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1045 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

827 
WUUS52 KTAE 182158
SVRTAE
FLC059-131-133-182230-
/O.NEW.KTAE.SV.W.0310.260818T2158Z-260818T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
458 PM CDT Tue Aug 18 2026

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  East central Walton County in the Panhandle of Florida...
  Southwestern Holmes County in the Panhandle of Florida...
  Western Washington County in the Panhandle of Florida...

* Until 530 PM CDT.

* At 458 PM CDT, a severe thunderstorm was located 12 miles east of
  De Funiak Springs, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Vernon, Live Oak, Ponce De Leon, Caryville, Westville, Hinsons
  Crossroads, Red Bay, Douglass Crossroad, Whitehead Crossroads,
  Cerrogordo, Red Head, Holmes Valley, Millers Ferry, Knox Hill,
  Hickory Hill, and Smyrna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3078 8603 3085 8590 3057 8563 3045 8590
TIME...MOT...LOC 2158Z 327DEG 17KT 3072 8592 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

02-MONTGOMERY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 4:06 AM CDT	Rip Current Statement	TAE	Bay, Gulf	23 hr
Aug 18, 7:31 AM CDT	Special Marine Warning	TAE		59 min
Aug 18, 8:30 AM CDT	Special Marine Warning	TAE		42 min
Aug 18, 12:49 PM CDT	Heat Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more	30 hr
Aug 18, 2:11 PM CDT	Special Weather Statement	TAE	Calhoun, Liberty	34 min
Aug 18, 2:15 PM CDT	Special Weather Statement	TAE	Wakulla	30 min
Aug 18, 2:25 PM CDT	Special Marine Warning	TAE		95 min
Aug 18, 2:29 PM CDT	Special Weather Statement	TAE	Taylor	31 min
Aug 18, 2:33 PM CDT	Special Weather Statement	TAE	Wakulla	27 min
Aug 18, 2:42 PM CDT	Special Weather Statement	TAE	Wakulla	33 min
Aug 18, 2:45 PM CDT	Special Weather Statement	TAE	Calhoun, Liberty	30 min
Aug 18, 2:51 PM CDT	Special Weather Statement	TAE	Wakulla	24 min
Aug 18, 2:51 PM CDT	Special Weather Statement	TAE	Lafayette	24 min
Aug 18, 3:00 PM CDT	Special Weather Statement	TAE	Wakulla	30 min
Aug 18, 3:09 PM CDT	Special Weather Statement	TAE	Liberty	36 min
Aug 18, 3:15 PM CDT	Special Weather Statement	TAE	Lafayette	30 min
Aug 18, 3:29 PM CDT	Special Marine Warning	TAE		2 hr
Aug 18, 3:36 PM CDT	Special Weather Statement	TAE	Liberty	24 min
Aug 18, 3:40 PM CDT	Areal Flood Advisory	TAE	Wakulla	2 hr
Aug 18, 3:43 PM CDT	Special Weather Statement	TAE	Leon, Wakulla	47 min
Aug 18, 3:47 PM CDT	Special Weather Statement	TAE	Walton	28 min
Aug 18, 3:57 PM CDT	Special Weather Statement	TAE	Taylor	48 min
Aug 18, 4:02 PM CDT	Special Marine Warning	TAE		88 min
Aug 18, 4:05 PM CDT	Special Weather Statement	TAE	Franklin	40 min
Aug 18, 4:11 PM CDT	Severe Thunderstorm Warning	TAE	Franklin	49 min
Aug 18, 4:15 PM CDT	Special Weather Statement	TAE	Walton	45 min
Aug 18, 4:19 PM CDT	Special Weather Statement	TAE	Lafayette	41 min
Aug 18, 4:24 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton	51 min
Aug 18, 4:31 PM CDT	Special Weather Statement	TAE	Jackson	29 min
Aug 18, 4:35 PM CDT	Areal Flood Advisory	TAE	Franklin, Wakulla	55 min
Aug 18, 4:42 PM CDT	Severe Thunderstorm Warning	TAE	Holmes	48 min
Aug 18, 4:50 PM CDT	Special Weather Statement	TAE	Walton	40 min
Aug 18, 5:05 PM CDT	Special Weather Statement	TAE	Lafayette	40 min
Aug 18, 5:12 PM CDT	Special Weather Statement	TAE	Gadsden, Jackson	63 min
Aug 18, 5:18 PM CDT	Special Marine Warning	TAE		54 min
Aug 18, 5:24 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	51 min
Aug 18, 5:27 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	48 min
Aug 18, 5:42 PM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gadsden, Jackson, Liberty	33 min
Aug 18, 5:46 PM CDT	Special Weather Statement	TAE	Dixie	44 min
Aug 18, 6:15 PM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Jackson, Liberty	45 min
Aug 18, 6:17 PM CDT	Special Weather Statement	TAE	Gadsden	43 min
Aug 18, 6:19 PM CDT	Special Weather Statement	TAE	Bay	41 min
Aug 18, 6:29 PM CDT	Special Weather Statement	TAE	Jackson	31 min
Aug 18, 6:53 PM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gulf, Liberty	37 min
Aug 18, 6:55 PM CDT	Special Weather Statement	TAE	Bay	65 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.