Snow Squall Warning 16, NWS State College, PA

Area Forecast Discussion
National Weather Service State College PA
705 AM EST Wed Jan 8 2020

.SYNOPSIS...
Gusty northwest winds and a few snow squalls are likely across
much of the region this morning into this afternoon, along with
steadily falling temperatures in the afternoon.

High pressure moving over the area will bring dry and tranquil
conditions for Wednesday night and Thursday. A warm up will
occur by late in the week, followed by several bouts of rain for
the Friday through Sunday period as waves of low pressure ride
northeast along a nearly stationary frontal boundary just to our
west.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
Heavy snow showers and squalls came to fruition in the pre dawn
hours. Focus for the daytime remains snow squall potential as
vigorous cold front crosses the I80 region, accompanied by CAPE
to 150 J/kg and isallobaric couplet. During the daylight hours,
sfc temperatures will be conducive to flash freezes over the
Alleghenies, but marginal to produce flash freezes over the
east/southeast. Heavy snow bursts and wind gusts will be
sufficient to produce scattered whiteout conditions thanks to
ribbon of CAPE and isallobaric couplet. Instability and forcing
decrease by mid to late this afternoon with a more stable NW
flow bringing typical post- frontal lake effect regime into
western and northern PA.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM THURSDAY/...
Lake-enhanced, orographic snow showers over the northwest
mountains will cut off tonight as high pressure builds into
Central PA by morning. South and east will be dry with clearing
skies.

&&

.LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/...
High pressure will drift over central PA Thursday bringing dry
and chilly weather. As the high moves offshore later Thursday,
warm warm advection and southwesterly flow will develop. Precip
looks to move into northwest zones early Friday morning and then
spread east. A few pockets may be cold enough for a wintry mix
to fall for a short time, but temperatures in most places will
rise quickly above freezing. Light rain can be expected Friday,
especially across the north while temperatures rise well above
normal. Rain will continue through Saturday and Saturday night
as temperatures rise well into the 50s and even lower 60s. It
will cool off Sunday and Monday as a cold front moves through
but temps will remain above normal. Next system may bring some
clouds and chance of rain later Monday into Tuesday.

&&

.AVIATION /12Z WEDNESDAY THROUGH SUNDAY/...
Expect snow showers and squalls to continue to impact CPA
airspace this morning. Localized squalls will produce quick vis
reductions down to or below airfield minimums through midday.
Sfc wind gusts increasing 25-35kts from the northwest (280-320
degrees) before subsiding by tonight. Low cigs should persist
across the northwest airspace early tonight before trending VFR
into Thursday.

.Outlook...

Thu...VFR and dry during the day. Mixed precipitation possible
Thursday night.

Fri...AM mixed precipitation possible changing to rain.

Sat...Rain with MVFR and IFR conditions possible.

Sun...Chance of rain and snow showers.

&&

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

&&

SYNOPSIS...DeVoir/Lambert/Martin
NEAR TERM...DeVoir/Lambert
SHORT TERM...DeVoir/Lambert/Martin
LONG TERM...Watson/Travis
AVIATION...Steinbugl

Hazardous Weather Outlook
National Weather Service State College PA
421 AM EST Wed Jan 8 2020

PAZ004>006-010-011-017-090930-
Warren-McKean-Potter-Elk-Cameron-Clearfield-
421 AM EST Wed Jan 8 2020

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Locally heavy snow showers and brief squalls are possible this
morning into this afternoon. Some squalls could reduce visibility to
near zero for brief periods of time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ028-036-042-049>053-056>059-063>066-090930-
Juniata-Franklin-Sullivan-Union-Snyder-Montour-Northumberland-
Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams-York-
Lancaster-
421 AM EST Wed Jan 8 2020

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Locally heavy snow showers and a brief squall is possible late this
morning and afternoon. Visibility could be reduced below one quarter
mile for brief periods of time this afternoon.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ024-033-090930-
Cambria-Somerset-
421 AM EST Wed Jan 8 2020

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Locally heavy snow showers and brief squalls are possible this
morning into this afternoon. Some squalls could reduce visibility to
near zero for brief periods of time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ012-018-019-025>027-034-035-037-041-045-046-090930-
Northern Clinton-Northern Centre-Southern Centre-Blair-Huntingdon-
Mifflin-Bedford-Fulton-Tioga-Northern Lycoming-Southern Clinton-
Southern Lycoming-
421 AM EST Wed Jan 8 2020

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Locally heavy snow showers and brief squalls are possible this
morning into this afternoon. Some squalls could reduce visibility to
near zero for brief periods of time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

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