Friday, December 16, 2011

December 17th, 2011 Forecast

A couple of weak systems will traverse the region over the course of the weekend, one bringing a chance of some sprinkles/flurries south of the city later tonight and the second bringing a chance of some flurries to the region on Sunday morning.  Neither system looks overly impressive and both look to merely help reinforce a cool but not terribly chilly December weekend in the Delaware Valley.  At least it won't be 60 and pouring rain.

Tonight's weather will feature skies transitioning towards mostly cloudy, with those sprinkles and flurries down south of a Dover-Atlantic City line.  Steadier precipitation probably avoids everyone but perhaps the Delaware beach towns south of Lewes (and those odds are small at this point).   Lows in the region will drop into the upper 20's north, 30's elsewhere with relatively light winds.

Saturday features breaks in the clouds through the day but breezy as the first system strengthens in the Atlantic and helps to set up a wind/pressure gradient with high pressure in Quebec.   It won't be as windy as today but breezes will be noticeable and it will be a few degrees cooler than it was today.  Expect highs from 41-46 across the region, with 44 for the max in Philly.

A few flurries are possible on Saturday night with a weak disturbance diving through the Lakes and crossing the region.  This system is moisture starved and will lose most of its precipitation as it hits the Appalachians but a few places could see some rogue flurries if they are lucky enough on Sunday morning.  Sunday looks to be the coolest day of the next several at this point -- low 40's in the city, 30's north/west of town for many.