Alert archive / Florida / Flash Flood Warnings in 2026

Flash Flood Warning 18, NWS Jacksonville, FL

August 24, 2026Marion County, Florida

NWS Jacksonville, FL issued this flash flood warning at Aug 24, 2026, 5:53 PM EDT for Marion County, Florida. It was in force for 64 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 24, 2026, 5:53 PM EDT (21:53 UTC)
Expired: Aug 24, 2026, 6:57 PM EDT
In force: 64 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Flood severity: None

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 146 km from the middle of the area, began a volume at 21:54 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

Jacksonville, FL (KJAX), launched 12:00Z, 9.9 hours before the alert went out and 148 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: 3152 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 706 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 2:27 PM EDT	Special Weather Statement	JAX	Gilchrist	33 min
Aug 24, 2:37 PM EDT	Special Weather Statement	JAX	Columbia	38 min
Aug 24, 2:59 PM EDT	Areal Flood Advisory	JAX	Gilchrist	71 min
Aug 24, 3:25 PM EDT	Special Weather Statement	JAX	Baker	35 min
Aug 24, 3:28 PM EDT	Special Weather Statement	JAX	Alachua	32 min
Aug 24, 3:46 PM EDT	Special Weather Statement	JAX	Hamilton	29 min
Aug 24, 3:48 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Bradford, Columbia, Union	12 min
Aug 24, 3:51 PM EDT	Severe Thunderstorm Warning	JAX	Columbia, Hamilton	24 min
Aug 24, 3:55 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Bradford, Columbia, Nassau, Union	50 min
Aug 24, 4:15 PM EDT	Special Weather Statement	JAX	Hamilton	45 min
Aug 24, 4:23 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Bradford, Clay, Duval, Nassau	52 min
Aug 24, 4:43 PM EDT	Special Weather Statement	JAX	Hamilton, Suwannee	47 min
Aug 24, 4:45 PM EDT	Areal Flood Advisory	JAX	Baker	77 min
Aug 24, 4:55 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	35 min
Aug 24, 4:57 PM EDT	Special Weather Statement	JAX	Marion	33 min
Aug 24, 5:00 PM EDT	Severe Thunderstorm Warning	JAX	Hamilton, Suwannee	29 min
Aug 24, 5:02 PM EDT	Special Marine Warning	JAX		88 min
Aug 24, 5:19 PM EDT	Severe Thunderstorm Warning	JAX	Marion, Putnam	41 min
Aug 24, 5:26 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	34 min
Aug 24, 5:30 PM EDT	Special Weather Statement	JAX	Hamilton	45 min
Aug 24, 5:31 PM EDT	Special Weather Statement	JAX	Putnam	44 min
Aug 24, 5:32 PM EDT	Special Weather Statement	JAX	Duval	43 min
Aug 24, 5:33 PM EDT	Special Weather Statement	JAX	Columbia	42 min
Aug 24, 5:35 PM EDT	Areal Flood Advisory	JAX	Marion	101 min
Aug 24, 6:01 PM EDT	Special Weather Statement	JAX	Marion	29 min
Aug 24, 6:25 PM EDT	Special Marine Warning	JAX		65 min
Aug 24, 6:38 PM EDT	Special Weather Statement	JAX	Saint Johns	37 min
Aug 24, 7:27 PM EDT	Special Marine Warning	JAX		35 min
Aug 24, 5:46 PM EDT	Special Weather Statement	JAX	Clinch, Echols	29 min
Aug 24, 5:49 PM EDT	Special Weather Statement	JAX	Brantley	41 min
Aug 24, 5:54 PM EDT	Special Weather Statement	JAX	Camden	36 min
Aug 24, 6:08 PM EDT	Special Weather Statement	JAX	Glynn	37 min
Aug 24, 6:13 PM EDT	Special Weather Statement	JAX	Clinch	32 min
Aug 24, 6:32 PM EDT	Special Weather Statement	JAX	Camden	28 min
Aug 24, 6:37 PM EDT	Areal Flood Advisory	JAX	Camden	83 min
Aug 24, 6:43 PM EDT	Special Weather Statement	JAX	Brantley	32 min
Aug 24, 6:52 PM EDT	Areal Flood Advisory	JAX	Glynn	98 min
Aug 24, 7:01 PM EDT	Special Weather Statement	JAX	Camden	29 min
Aug 24, 7:51 PM EDT	Special Weather Statement	JAX	Wayne	24 min

Nearby

Flash Flood Warnings in Florida, 2026 Every flash flood 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.