National Weather Service United States Department of Commerce
NWS State College Aviation Weather Discussion
.AVIATION /08Z THURSDAY THROUGH MONDAY/...
Anafrontal rain along cold front drifting south across the Mid-
Atlantic will favor flight restrictions over the South-Central 
Mountains (KJST/KAOO) and Lower Susquehanna Valley (KMDT/KLNS) 
during the TAF period, with VFR favored across the North-Central
Mountains (KUNV/KIPT) and Northern Tier (KBFD) where drier air 
has mixed into the lower levels farther behind the cold front. 
Periods of steadier rain are possible across the Lower 
Susquehanna Valley Thursday morning given elevated instability 
in place (HREF mean MUCAPE of 0-100 J/kg), providing some 
enhancement to rainfall rates with primary impact being 
visibilities to ~6 SM. Lightning threat is low with meager 
MUCAPE values favoring pockets of steadier rain vs. enhancement 
to thunderstorms, though isolated lightning (10-20% chance) is 
possible (primarily south of Mason- Dixon Line where MUCAPE 
values of marginally higher).

Winds will trend easterly during the day on Thursday as slow- 
moving high pressure builds into New England, bringing cold air 
damming signature with cold front drifting south on the leeward 
side of the Alleghenies. A lull in rain activity is expected 
Thursday afternoon through Friday morning with the cold front 
shifting south of the region, followed by increasing rain 
chances south-to-north over the course of the day on Friday as 
low pressure moves across the Ohio Valley & slowly brings Mid- 
Atlantic frontal boundary northward as a warm front.

Outlook... 

Fri...Restrictions likely with rain moving in from south to 
north, lasting into Fri night.

Sat-Sun-Mon...Restrictions likely with rain.

&&
METARS & TAFs
BFD METAR TAF
JST METAR TAF
AOO METAR TAF
UNV METAR TAF
IPT METAR TAF
MDT METAR TAF
LNS METAR TAF

 

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