Area Forecast Discussion
Issued by NWS State College, PA

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FXUS61 KCTP 210714
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
314 AM EDT Thu Jun 21 2018

.SYNOPSIS...
A wavy front over the area will settle just south of the state
tonight. After a dry and pleasant Thursday, rounds of showers
and thunderstorms will return Friday into the weekend as warm
air moves back up into the area.

&&

.NEAR TERM /UNTIL 7 AM THIS MORNING/...
Rain has tapered off for the moment over the Laurels, but
additional storms over PIT are headed right for them. Will
continue to run the FFA and hold the FLW and FLS until after
midnight. Central Somerset County has had 3-5 inches of rain
with lots of flooding reports. The flooding is not as noticeable
over southern Somerset County for the time being, but with the
additional TSRA incoming very shortly, that may change. CAMs
keep some precip over these locations until 10Z.

Scattered showers continue over the rest of the area even up
into the far north. Must allow for these for the next few hours.

Clouds and high dewpoints will keep temps up quite a bit through
the night. Dewpoints may lower slightly in the north and skies
will show some breaks in the clouds as wind becomes slightly
northerly. Temp forecast toughest there, where the amount of
both clearing and drying is in question. Will hold onto current
numbers for the time being. If a trend is evident there later,
adjustments may be necessary.

&&

.SHORT TERM /7 AM THIS MORNING THROUGH 6 PM FRIDAY/...
Wavy frontal boundary should sink far enough south to bring
fair and pleasant conditions on Thursday. The morning will be
cloudy with areas of fog central and south, but a nice afternoon
is on tap with lower humidity and increasing sunshine. Highs
will range from the low to mid 40s north to the lower 80s south.

&&

.LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
Frontal system returns Friday with increase in shower and
thunderstorm activity. This will lead to a trough over the area
for the weekend and pops in the forecast. Heights rise early
next week and a much more summerlike weather pattern is expected
by the middle of next week and later.

&&

.AVIATION /06Z THURSDAY THROUGH MONDAY/...
Showers will continue across the southern 1/2 of the airspace
early Thursday morning, ending from northwest to southeast
through 12Z. Expect MVFR to IFR restrictions over this area with
VFR at northern TAFs KBFD/KIPT. Conditions at KJST/KAOO/KUNV
will dip to near airfield minimums before gradually improving
later this morning. A drier, northerly flow will spell
improving conditions by Thursday afternoon. Restrictions will
linger the longest over the southwest terminals. Showers and
sub-VFR conditions will spread back into the airspace from
southwest to northeast Friday into Friday night.

.Outlook...

Fri...Showers and MVFR-IFR cigs spreading southwest-northeast
through Friday night.

Sat...AM MVFR-IFR cigs gradually improving Saturday afternoon.
Scattered to numerous showers; isolated TS possible SW 1/4.

Sun...Scattered showers/isolated thunderstorms.

Mon...No sig wx.

&&

.CLIMATE...
Astronomical summer (June Solstice) begins at 6:07am. Today
marks the longest day and shortest night in the Northern
Hemisphere, and the exact moment when the sun`s rays reach as
far north as they get during the year, appearing straight
overhead along the Tropic of Cancer, at 23.5 degrees north
latitude. As a result, the sun will take its highest and
longest path through the sky.

For State College, sunrise will occur at 5:40am with
sunset at 8:46pm. The total daylength is 15 hours, 6 minutes and
10 seconds.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$
SYNOPSIS...Dangelo
NEAR TERM...Dangelo
SHORT TERM...DeVoir/Steinbugl
LONG TERM...Ross/Steinbugl
AVIATION...Steinbugl
CLIMATE...Steinbugl


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