LOCAL WEATHER CONDITIONS AT
Franklin, Venango Regional Airport

Temperature       57.2 F / 14 C
Dew Point         37.4 F / 3 C
Humidity          48%
Wind Speed        8.1 Gust to 17.3
Wind Direction    NW 310 Degrees
Visibility        10 Miles
Sky Conditions     overcast at 4900 feet
Current Weather
Barometer         29.85 Inches
Issued At         06/01/2025 13:56

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ACUS01 KWNS 011639
SWODY1
SPC AC 011638

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1138 AM CDT Sun Jun 01 2025

Valid 011630Z - 021200Z

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS
CENTRAL/EAST TEXAS...

...SUMMARY...
Scattered large hail and isolated damaging winds are possible this
afternoon and evening across central and east Texas. More isolated
severe thunderstorms are possible across parts of the Middle
Tennessee Valley and Carolinas, High Plains, northern Rockies, and
south Florida.

...Central/East Texas...
A residual small cluster of storms has persisted through late
morning across northeast Texas. Additional and increasingly
surface-based storm development will be possible this afternoon,
particularly into mid/late afternoon. This will be focused where
outflow/differential heating influences interface with an
increasingly unstable (2500+ J/kg MLCAPE) environment near a
northwest/southeast-oriented synoptic boundary and related
instability gradient. Northwesterly deep-layer shear of 35-40 kt
will be sufficient for organized storms, including supercells,
posing a risk for large hail and potentially damaging wind gusts. A
sustained storm interacting with residual/modifying outflow could
have some tornado potential in the presence of locally-augmented
low-level shear. These storms may cluster later today, or otherwise
persist south-southeastward toward east-central/southeast Texas
through early and mid-evening including the I-35/I-45 corridors.

...Tennessee to the Carolinas...
Despite relatively modest low-level moisture, diurnal heating
combined with seasonably cool temperatures aloft associated with a
deep upper-level trough will allow for weak to moderate
destabilization ahead of a weak surface wave and advancing front.
Isolated to scattered storm development is expected this afternoon,
with somewhat greater coverage expected with eastward extent
centered on parts of North Carolina. Modestly favorable effective
shear (generally 25-30 kt) may support occasionally organized storms
capable of isolated damaging wind and hail. Any longer-lived
clusters could pose a more concentrated wind-damage threat.

...Northern Rockies and northern High Plains...
A mid/upper-level shortwave trough will move eastward from the
Pacific Northwest toward the northern Rockies by this evening. Weak
to locally moderate buoyancy and increasing deep-layer shear will
support the potential for somewhat organized cells/clusters with an
attendant threat of isolated severe gusts and hail. This development
should generally focus near the Montana/Idaho/Wyoming border
vicinity as well as near/east of the Bighorns.

...South Florida...
Influenced by moderately strong westerlies aloft, some
strong/locally severe storms may remain possible today along and
south of a boundary that has been effectively reinforced by early
day storms.

...Eastern Colorado/New Mexico...
Scattered storms are again expected this afternoon and evening along
and east of the higher terrain in eastern Colorado/New Mexico. While
deep-layer flow/shear will be relatively modest, guidance suggests
some increase in low-level moisture and instability by afternoon.
Initial storms could pose a threat for isolated hail and strong to
severe gusts. There is some potential for one or more loosely
organized clusters to develop by evening and spread eastward with
strong to locally severe outflow winds.

...Southern California into southern/central Arizona...
A mid/upper-level cyclone will move northeastward into parts of
southern California/Arizona later today. Cool temperatures aloft
will overspread the region, but relatively widespread cloudiness and
precipitation will tend to limit destabilization. If pockets of
locally stronger heating/destabilization can develop, then a few
strong storms could occur.

...Great Basin...
High-based thunderstorms are expected to develop this afternoon from
parts of Nevada into western Utah. Buoyancy and shear are expected
to remain weak, and organized thunderstorms are not expected,
however localized strong outflow gusts will be possible within this
regime through early evening.

..Guyer/Marsh.. 06/01/2025

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