Storm Update

Not much to add to my previous thoughts...

Current Conditions/Observations
Radar
NWS northeast regional radar (658 PM)
Most of the precipitation in Southern New England is not reaching the ground (exception SW CT).  However the the precip above our heads in SNE is acting to saturate the atmosphere.  What that means is snow will begin to fall between 10 and Midnight.  The surface chart looks like this
WPC Surface Analysis 624 PM
The low will continue to work northeastward and will eventually wind up over Cape Cod.  That will bring some warm air into the system and keep the Cape, Islands, and SE MA, RI, and CT mostly wet, not white.  The cold air is associated with the high pressure in Ontario.  Current temperatures look like this
2 meter temps 6 PM (image weatherbell)
They will continue to cool overnight.  By midnight the temperatures will look like this
22z RAP 2 m temps, valid 12 AM (image weatherbell)
Everywhere will start as snow.  Cape and Islands transition to rain by 7 am.  The rest of MA will take longer.  I am thinking that there will be a general 3-6 inches on the ground by 7 am elsewhere.  Here is my map
final forecast
There isn't much change from my original map.  All precip should pull out of Southern New England by 5 PM tomorrow.  Total precipitation should be over an inch
WPC 2 day precip totals
There will be a early morning update.  Have a good evening!






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