Monday, October 16, 2017, 11:54 PM EDT
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Area Forecast Discussion
Valid At
Wed, Dec 31, 7:00pm EST
FXUS61 KCTP 170345
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
1145 PM EDT Mon Oct 16 2017

.SYNOPSIS...
After a clear and frosty night tonight, abundant sunshine and a
lighter downsloping southwesterly wind will help temperatures 
rebound to near normal on Tuesday. 

It will be dry with temperatures gradually rising to well above
normal values later this week, and lasting right through this 
upcoming weekend as a large area of high pressure builds in.

&&

.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
Skies are clear and the wind will continue to diminish this 
evening, leading to nearly perfect radiational cooling
conditions and a frosty night area-wide as high pressure builds
in from the west at the surface and aloft.

Collaborated with surrounding WFOs to post a Frost Advisory for
late tonight through the mid morning hours Tuesday. Freezing 
temps are not likely in locations that are still in the growing 
season. Perhaps SEG/THV and similar micro-climates could touch 
32F, but most will not. For now, just mentioning areas of frost 
with lows in the 33-37F range.

&&

.SHORT TERM /6 AM TUESDAY MORNING THROUGH 6 PM TUESDAY/...
A large are of high pressure will be stretched from the Mid Miss
Valley to the Delmarva Coast for Tuesday. This weather feature
will help to transport below normal PWAT air into the
Commonwealth from the Ohio Valley. 

Tuesday will feature almost cloud free skies with the exception
of perhaps a few pancake cu dotted about during the late morning
and afternoon hours.

Temps will bounce back quickly during the late morning and
afternoon...maxing out in the normal range of 55-60F.

&&

.LONG TERM /TUESDAY NIGHT THROUGH MONDAY/...
For the mid to late week period, heights gradually rise with a 
multi-model consensus indicating a string of dry and 
increasingly warm days and mainly clear/cool nights. We could 
have a period true Indian Summer weather with high temps in the 
in the low to mid 70s from mid week into next weekend. The next
chance for precipitation should be not until late next Monday.

&&

.AVIATION /04Z TUESDAY THROUGH SATURDAY/...
High pressure building into the region will bring clear skies
and light wind overnight. Some patchy valley fog is expected 
to form over western Pa toward dawn, as SREF and downscaled NAM 
suggest. However, odds are low of vis reductions at any of the 
central Pa airfields. 

Any patchy fog should burn off by mid morning, then there is a
near certainty of widespread VFR conditions the rest of the day
with high pressure over the state. 

Outlook...

Wed-Thu...No sig wx expected.

Fri-Sat...Patchy AM valley fog possible.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
Frost Advisory until 9 AM EDT Tuesday for PAZ026>028-035-036-
045-046-049>053-056>059-063>066.

&&

$$
SYNOPSIS...La Corte
NEAR TERM...La Corte
SHORT TERM...Dangelo/Lambert
LONG TERM...Ceru
AVIATION...Fitzgerald

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