Damage Survey PNS (Max: EF1) from KTBW

[akr...@iastate.edu]

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Text Permalink: IEM Website (202506262030-KTBW-NOUS42-PNSTBW)

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Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 1

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264 
NOUS42 KTBW 262030
PNSTBW
FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165-
239-242-248-249-251-255-260-262-265-270830-

Public Information Statement
National Weather Service Tampa Bay Ruskin FL
430 PM EDT Thu Jun 26 2025

...NWS Damage Survey for 06/25/25 Tornado Event...

.Overview...
On June 25th 2025, strong thunderstorms developed over Pinellas 
County as the east and west coast sea breeze boundaries collided. 
These thunderstorms were further enhanced by a strong upper-level 
low over the state, leading to colder and drier air aloft that 
enhanced the potential for damaging wind gusts and hail. While 
numerous hail and wind damage reports were received from St. 
Petersburg to Seminole, a landspout also developed in Largo, FL, 
along colliding sea breeze and outflow boundaries.

The setup leading to the landspout's development was complex. Two 
boundaries collided over Largo - one from a strong cell to the SW 
and one from another strong cell to the east. As these boundaries 
collided, a new updraft began to develop where the collision took 
place. Strong downdrafts from both cells essentially sandwiched the 
boundary and the developing updraft between the more mature cells - 
forcing the developing cell to take a deviant track to the north, 
right along the boundary collision. This caused the cell to begin 
rotating.

At approximately 6:57PM EDT, the TTPA TDWR observed rotation just 
south of Belcher Rd near the intersection with Bryan Dairy Rd. 
Reflectivity data at the same time showed almost no precipitation on 
the 0.3 degree slice, but a still-suspended and developing core 
aloft at higher tilts. The rotation was not distinguishable on the 
KTBW radar, given the developing cell's motion with respect to the 
beam angle. Ultimately, the angle masked the actual storm-relative 
velocity. Over the next couple minutes, the rotation intensified and 
at 7:02PM, the first damage occurred at a shopping center near the 
aforementioned intersection. Over the next eight minutes, additional 
damage reports were received along a track oriented SSW to NNE. The 
most significant damage was noted in the Ranchero Village 
community, where several mobile/manufactured structures were badly
damaged, indicating a peak intensity of around 90 mph.

At 7:10PM, the landspout dissipated as the TTPA TDWR data shows the 
mesocyclone weakening. This took place as a gust front from another 
mature cell to the east arrived, altering the ability for the 
developing cell to remain on the boundary that was allowing it to 
spin. In total, the feature was tracked for just over 2 miles and 
had a maximum width of 100 yards.

.Largo Tornado...

Rating:                 EF-1
Estimated Peak Wind:    90 mph
Path Length /statute/:  2.11 miles
Path Width /maximum/:   100 yards
Fatalities:             0
Injuries:               0

Start Date:             06/25/2025
Start Time:             07:02 PM EDT
Start Location:         3 SE Largo / Pinellas County / FL
Start Lat/Lon:          27.8715 / -82.7436

End Date:               06/25/2025
End Time:               07:10 PM EDT
End Location:           2 ESE Largo / Pinellas County / FL
End Lat/Lon:            27.9016 / -82.7369

&&

EF Scale: The Enhanced Fujita Scale classifies tornadoes into the
following categories:

EF0.....65 to 85 mph
EF1.....86 to 110 mph
EF2.....111 to 135 mph
EF3.....136 to 165 mph
EF4.....166 to 200 mph
EF5.....>200 mph

NOTE:
The information in this statement is preliminary and subject to
change pending final review of the event and publication in NWS
Storm Data.

$$