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2025 foothills Thread


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From GSP

As of 300 AM Sunday: Shortwave energy will carve out a deep trough
across the Northeast to Mid-Atlantic Wednesday into Thursday,
which will bring a reinforcing dry cold front thru the forecast
area. The front may bring a round of stratocu along the TN border
and breezy conditions across the mountains Wednesday aftn into
Wednesday night. This combined with temps still 10-15 deg below
normal may produce wind chills around -5F across the Northern
Mountains thru early Thursday morning. Winds should subside and
skies become clear Thursday, but highs will remain chilly.

The latest guidance seems to be trending toward a distinct southern
stream upper low in northwestern Mexico that interacts with a
digging trough over the Great Plains. This will likely produce a
sfc wave near the Texas Coast late Thursday. This wave may advance
east along/near the Gulf Coast and spread moisture across the
Southeast Friday into Friday night. The latest NBM already has
likely PoPs spreading into the forecast area Friday night. This
precip would likely fall into chilly air, which depending on the
thermal profiles, may result in freezing rain, snow, or a wintry
mix for our area. The 00z GFS shows mostly a RA/SN event, with
accumulating snow across nearly the entire forecast area Friday
aftn thru Friday night. The 00z ECMWF has trended toward the GFS,
but is still more of a wintry mix setup with a warm nose punching
into the area. For what it`s worth, the Canadian keeps the system
suppressed and is mostly dry for our area. A little over a majority
of the ensemble members have measurable precip Friday-Friday night,
with the mean sfc temps below freezing. So confidence is increasing

on some type of wintry event late Friday or Saturday. PoPs were
held in the chance range with a rain/snow fcst for now due to so
much uncertainty. This system will definitely bear watching.

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