Aviation Forecasts and Information Page - NWS State College PA

.AVIATION /10Z THURSDAY THROUGH MONDAY/...
A low pressure system to our west is beginning to move closer
tonight. Wind continues to back around to the E then N in most 
places. Late tonight/early AM, SHRA and lowered cigs get into 
JST and sweep eastward. Perhaps (40% chc) only JST and BFD will 
be IFR in the morning, with everyone else MVFR or better (60% 
chc). The SE (LNS/MDT) do seem to have several hours in the 
morning where they can heat up and develop some instability. SPC
has indicated some thunder is possible there (and maybe IPT, 
too). So, I added a mention of TSRA for them late in the TAF 
period -- may not happen until after 18Z, though.

Temp profile gets cold enough around sunset tomorrow in BFD for
snow to mix and then become the dominant precip type. It will 
turn and a little later for the other northern and western 
counties (incl JST), and finally late at night for UNV/AOO/IPT. 
However, those latter 3 terminals will likely get into a lull in
the SHRA/SN as the flow will be predominantly from the NE then,
and not favorable for lake effect just yet - and the synoptic 
precip will be to the east. Wind will be picking up as the low 
deepens and moves east/off-shore. 

Outlook...

Fri...Blustery NW wind. Sct IFR in SHSN for BFD/JST. VFR to 
MVFR clouds elsewhere.

Fri Night...-SHSN and ocnl IFR NW. -SHRA and MVFR SE. Gusty NW 
wind.

Sat...Improving, but still gusty with MVFR clouds and isold
-SHSN for BFD/JST. VFR elsewhere.

Sun...VFR, gusts NW 15-25KT.

Mon...VFR, lighter NW wind.

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