Short Range 12 Jan 2011
Forecast updated 1:00pm EST - 11 Jan 2011
**Purdue area will be left with cloud cover and flurries as system from Tuesday exits the area. On the back side of the low with winds out of the Northwest,temperautres generally in the low 20's can be expected for highs, with lows dropping in the teens and single digits for Wednesday and Thursday night.
**Heavy lake effect snow can be expected in LaPorte, St Joseph, Berrien, and Cass Counties in Northern Indiana/Southwest Michigan.With the vertical temperature gradient between the lake and 850mb being 17 deg centigrade and Northwest 850mb winds greater than 20knts, there is a good chance for single and multi-band lake effect snow. Heaviest bands could drop up to 15" in some areas, most areas will see 4"-6". The Michigan U.P. and Northern Wisconsin can also expect some lake effect snow on the back side of this system with totals between 3"-5".
**East coast will experience a strong Nor'Easter over the next few days as a low pressure system makes its way up the coast. As the low moves offshore, central pressure is expected to drop to 985mb, significant winds in excess of 25knts are expected. With strong winds pulling moisture from the Atlantic onshore, coupled with strong lift and temperatures in the low 30's, significant snowfall in excess of a foot of snow is expected in some areas, with slightly lower amounts nearby. The rest of the Northeast will see light to moderate snow, most areas seeing 2"-4".
** System entering the Pacific Northwest will bring rain to much of the Northwest Coast including the Seattle and Portland areas. Inland, in upper elevations, heavy moutain snow will bring decent snow amounts in the range of 4"-8".
today's short-range forecast graphic was produced by Erik Larson and Brittany Davila