Flash Freeze Tonight

A strong cold front will cross Southern New England this afternoon.  Rain will finish falling late this afternoon just in time for temperatures to crash.  The additional rainfall will just top off all of the precipitation we have seen this weekend.  There will be slush and puddles on the roads tonight that will freeze if left untreated.  Drive with caution tonight.  The National Weather Service has issued a Special Weather Statement to address the potential hazardous conditions.  

NWS Northeast Radar Loop
Rain will impact the Giants-Lions game in East Rutherford and the Ravens-Eagles game in Baltimore.  
What sticks out about this weather?  The temperature drop in NY and Balt after the rain ends immediately sticks out.  The weather in the Midwest also looks wonderful with single digit temperatures.  The weather in Denver is pretty nice for this time of year.  Or maybe how nice the weather in San Diego is this time of the year anytime of the year really.  But the tree take away is the cold behind the front later this afternoon;  Here are the 3 PM temps in Southern New England,
16z HRRR 2 m temps 3 PM (image Weatherbell)
 As the front approaches and passes winds will gust 40-50 MPH in Southeastern MA and the Cape and Islands.  The National Weather Service has issued a *Wind Advisory* for this region until 4 PM.
NWS Boston Headlines Sunday December 18, 2016
The cold front will push well offshore by 7 PM.  High pressure builds behind the departing system and cold air funnels into New England overnight.  
WPC Surface Fronts/Precipitation Sunday 7 PM
Look at where we could be by 5 AM.
16z HRRR 2 m temps Monday 5 AM (image Weatherbell)
Lows in the single digits are likely outside of SE MA and E RI.  The Blackstone Valley is modeled to be in the low teens and not single digits but the bottom line is it will be cold.    Highs tomorrow will be in the 20's.
NWS max temps Monday (image Weatherbell)
Max temps will remain below average on Tuesday but by mid to late week some Pacific air will make its way across the country and temperatures will be average to above average for this time of year,  That means low to mid 40's, not the mid to upper 50's/60's of 2015.

-Zack Green

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