February 7, 2013

Icy Commute Possible For Friday AM, No Impact From Coastal Storm

The weather got interesting real fast this week.  Only one weather model (Euro) was predicting a coastal storm to develop for this weekend at the beginning of the week.  However as days progressed, other weather models starting to agree and here we are today monitoring what could be a historical storm for the New England coast. Being far away from the coast, NW PA is out of the scope of this storm.  However, two pieces of "energy" will be trekking across the U.S. and merging on the coastline to form this historical storm.  The northerly most disturbance will take a path right through our region.  Even though it won't have quite the punch that the coastal storm will have, it still could provide a headache for travelers across the area.  This system is forecasted to move through starting early Friday AM (2-3AM) and will depart by Saturday morning.  With surface temperatures below freezing and this system bringing in warm air aloft, rain is likely to fall and freeze when it hits the surface in the early morning hours. (2-7AM).  A transition to rain and then snow will occur afterwards with snow accumulations of 2"-4" likely with  a few spots getting 5".  Things clear out Saturday afternoon with sun but chilly conditions.  A nice warm-up for Sunday and part of Monday as our next system moves into the region.  Colder air returns late Monday.

To summarize the event...
  • The coastal storm (dubbed Nemo from TWC) will not affect our region.  
  • One of the initial disturbances that will eventually form the coastal storm will affect us.
  • Main concerns for Crawford County & the rest of NW PA...
    •    Possible icy wintry mix (freezing rain) for Friday morning during commute hours.
    •    Light to moderate snowfall accumulations during the late morning and afternoon hours.
  • Clearing out by Saturday afternoon (sunny but chilly)
  • Warm ahead of next system that will pass Monday.

    I hope this helps and relieves you of any Nemo concerns.  Boston, NYC and the rest of the New England coast will be hit the hardest, not so much once you head into PA except for northeastern PA.
As always feel free to e-mail me at jordan@crawfordweather.com or send me a Facebook message with questions.  

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