Alert archive / Florida / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 27, NWS Tampa Bay, FL

July 17, 2026Hernando County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 17, 2026, 2:49 PM EDT for Hernando County, Florida. It was in force for 26 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
Jul 17, 2026, 2:49 PM EDT (18:49 UTC)
Expired
Jul 17, 2026, 3:15 PM EDT
In force
26 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Hernando County, FL

The radar

The Tampa radar (KTBW), 95 km from the middle of the area, began a volume at 18:53 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, 6.8 hours before the alert went out and 95 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, Tampa Bay, FL at 12:00Z on 2026-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1697 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, Tampa Bay, FL at 12:00Z on 2026-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1697 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1078 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 4:31 AM EDTSpecial Marine WarningTBW89 min
Jul 17, 5:37 AM EDTAreal Flood AdvisoryTBWPinellas53 min
Jul 17, 5:53 AM EDTSpecial Marine WarningTBW52 min
Jul 17, 6:42 AM EDTSpecial Marine WarningTBW63 min
Jul 17, 7:44 AM EDTSpecial Marine WarningTBW61 min
Jul 17, 8:42 AM EDTSpecial Marine WarningTBW63 min
Jul 17, 12:41 PM EDTSpecial Weather StatementTBWPolk34 min
Jul 17, 2:40 PM EDTSpecial Weather StatementTBWHernando, Pasco, Sumter65 min
Jul 17, 2:43 PM EDTSpecial Marine WarningTBW62 min
Jul 17, 3:05 PM EDTSpecial Weather StatementTBWHernando40 min
Jul 17, 3:17 PM EDTSpecial Marine WarningTBW58 min
Jul 17, 3:30 PM EDTSpecial Weather StatementTBWCitrus, Levy45 min
Jul 17, 3:48 PM EDTSpecial Weather StatementTBWHernando27 min
Jul 17, 4:16 PM EDTSpecial Marine WarningTBW59 min
Jul 17, 4:21 PM EDTSpecial Weather StatementTBWLevy54 min
Jul 17, 5:15 PM EDTSpecial Marine WarningTBW60 min
Jul 17, 5:18 PM EDTSpecial Weather StatementTBWLevy57 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.