Alert archive / Florida / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 20, NWS Tampa Bay, FL

June 27, 2025Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 27, 2025, 3:26 PM EDT for Polk County, Florida. It was in force for 18 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
Jun 27, 2025, 3:26 PM EDT (19:26 UTC)
Expired
Jun 27, 2025, 3:44 PM EDT
In force
18 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Polk County, FL

The radar

The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 19:24 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.4 hours before the alert went out and 131 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, Cape Canaveral, FL at 12:00Z on 2025-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1110 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, Cape Canaveral, FL at 12:00Z on 2025-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
1110 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 6:36 AM EDTSpecial Marine WarningTBW54 min
Jun 27, 3:18 PM EDTSpecial Weather StatementTBWPolk42 min
Jun 27, 3:38 PM EDTSevere Thunderstorm WarningTBWPolk37 min
Jun 27, 3:53 PM EDTSpecial Weather StatementTBWPolk52 min
Jun 27, 4:01 PM EDTSevere Thunderstorm WarningTBWPolk14 min
Jun 27, 4:07 PM EDTSevere Thunderstorm WarningTBWCitrus, Sumter23 min
Jun 27, 5:56 PM EDTSevere Thunderstorm WarningTBWLee18 min
Jun 27, 6:05 PM EDTSpecial Marine WarningTBW55 min
Jun 27, 7:00 PM EDTAreal Flood AdvisoryTBWLee76 min

Nearby

Severe Thunderstorm Warnings in Florida, 2025Every severe thunderstorm warning in 2025

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.