Rain Returns Tonight

<B>(Monday Evening December 17, 2012)</B>After a break from the rain today, we expect a new area of rain to move into central New York tonight. That steady rain will taper later tonight but showers will continue on and off tomorrow. The showers will end as some Tuesday night into early Wednesday.
A weak area of low pressure moving out of the Ohio Valley will spread a steady rain back into central New York tonight. This low will manage to make it into northern Pennsylvania by tomorrow morning before heading into New England.  As this happens, we will continue to see showers and it will remain relatively mild for mid December.

We’ll be between systems on Wednesday so we expect a break in our weather.  While we can’t rule out a few snow showers on a northwesterly flow, most of the day will be precipitation-free and there should be some sunshine as well.

While this is happening, a new, stronger, area of low pressure will be making up over the Plains.  This low will track northeast into the Ohio Valley before heading up into the Great Lakes by Thursday night.  This will turn our winds initially into the south so we expect another mild day Thursday with showers arriving later in the day.  However, there will be change in our weather after that.

We are becoming more confident that the low pressure system responsible for rain later Thursday will move up the St. Lawrence Valley by Friday.  Much colder air moving in on the backside of the storm will likely change rain to snow during the day Friday.  Then, the low is forecast to slowly meander in New England and off the Northeast coast. With cold and moist air circulating around the storm and over Lake Ontario, the potential exists for accumulating snow in Central New York Friday night and into the weekend.  Additionally, brisk and potentially strong wind will make for lower wind chill temperatures. 

It’s still rather early, but it’s looking like we are about to receive our first meaningful and impactful winter weather of the season…just in time as we officially welcome the start of winter on Friday.  Be sure to check back for updates as details may change.
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