Tuesday, March 19, 2013

Morning Storm Update

Here is a link for snowfall reports so far.  Areas such as Boston are looking like they take the higher end of their range.  Current surface chart
WPC surface analysis 330 am
The storm center is disorganized.  However the temperatures remain cold enough for snow
2 m temperatures 4 am (image weatherbell)
Here is the radar
NWS northeast regional radar 508 am
I am expecting the precipitation to hit a lull around 10-11 this morning.  This may last until 1 PM before a secondary batch of snow/sleet/freezing rain/rain move in.  The secondary batch clears by six tonight.  So if you need a shot into the city I'd suggest delaying it if possible. Here is the NAM hires simulated radar for noon time
06z NAM hires simulated radar 12 PM (image weatherbell)
The low center will be getting close and pulling in warm air.  I would imagine most areas south of the pike flip to rain or a mix of rain/snow/sleet.  Some freezing rain also possible.  Here are temperatures for 1 PM
06z NAM hires 2 m temps 1 PM (image weatherbell)
So here is my thinking for additional snow accumulations
07z RAP total snow accumulation (image weatherbell)
On average another 1-3 inches of snow.  As  I speak I notice a nice band moving north from Rhode Island into Southern Worcester County
530 am NWS Boston radar 
Finally I am now expecting several inches of snow Thursday afternoon into Thursday night.  This may be a Cape Cod special but impacts should extend throughout Southeastern New England.  Winter does not want to quit.  I will focus on that system later on, or tomorrow.  Enjoy the snow.

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