Alert archive / Florida / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 74, NWS Miami, FL

August 29, 2026Glades County, Hendry County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 29, 2026, 2:22 PM EDT for Glades County, Hendry County, Florida. It was in force for 23 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 29, 2026, 2:22 PM EDT (18:22 UTC)
Expired
Aug 29, 2026, 2:45 PM EDT
In force
23 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Glades County, FL, Hendry County, FL

The radar

The Miami radar (KAMX), 148 km from the middle of the area, began a volume at 18:24 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

Miami, FL (KMFL), launched 12:00Z, 6.4 hours before the alert went out and 137 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-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2026-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2988 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2026-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2988 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:25 AM EDTSpecial Marine WarningMFL20 min
Aug 29, 10:53 AM EDTSpecial Marine WarningMFL37 min
Aug 29, 10:54 AM EDTSpecial Marine WarningMFL36 min
Aug 29, 12:30 PM EDTSpecial Marine WarningMFL30 min
Aug 29, 1:18 PM EDTSpecial Marine WarningMFL42 min
Aug 29, 1:21 PM EDTSpecial Weather StatementMFLHendry24 min
Aug 29, 1:25 PM EDTSpecial Weather StatementMFLPalm Beach35 min
Aug 29, 1:27 PM EDTSpecial Marine WarningMFL33 min
Aug 29, 1:36 PM EDTSpecial Marine WarningMFL24 min
Aug 29, 1:40 PM EDTSpecial Marine WarningMFL35 min
Aug 29, 2:00 PM EDTSpecial Marine WarningMFL30 min
Aug 29, 2:06 PM EDTSpecial Marine WarningMFL24 min
Aug 29, 2:10 PM EDTSpecial Weather StatementMFLCollier35 min
Aug 29, 2:14 PM EDTSpecial Weather StatementMFLGlades31 min
Aug 29, 2:30 PM EDTSpecial Marine WarningMFL30 min
Aug 29, 2:34 PM EDTSpecial Marine WarningMFL26 min
Aug 29, 2:39 PM EDTAreal Flood AdvisoryMFLCollier2 hr
Aug 29, 2:46 PM EDTSpecial Weather StatementMFLGlades29 min

Nearby

Severe Thunderstorm Warnings in Florida, 2026Every 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.