Patchy Dense Fog this AM, Isolated Showers During Day

Patchy dense fog has developed across Southern New England this morning.  This will only last until 8 am or so but will cause some traffic delays. The National Weather Service in Taunton issued a special weather statement which can be found here.  Yesterday CT and Western MA were the winners in terms of most precipitation   Showers and Thunderstorms will be isolated today and temperatures will climb into the low 70's.

Observations/Short Term Forecast
At the upper levels the system is still a closed low
06z NAM 500 mb heights (image weatherbell)
This is reflected on the water vapor/surface combo chart
GOES_E Water Vapor Sat 515 am (image NOAA)
There are numerous showers moving northward towards the New England coast
NWS Boston radar 546 am
Some of these downpours will last longer than yesterday's.  Looking down the coast there is some decent moisture streaming north.  Current temperatures look like this
2 m temps 5 am (image weatherbell)
No doubt it is a mild start in Eastern MA but everywhere in SNE is in the 50's.  Temps will climb into the upper 60's/low 70's this afternoon 
09z RAP 2 m temps 12 pm (image weatherbell)
The thunderstorm risk is slight- areas where the sun shines for a few hours are at a high risk for boomers.  RI and MA inside 495 have the lowest chance according to the SPC
SPC Day 1 Tstorm Outlook
Most of us see little to rain today.  However if you get caught in a heavy downpour up to 0.3 inches could fall
WPC Day 1 precipitation outlook
Overnight the temperatures will drop to near 50.  Overnight the upper level support for the storm will weaken.  Here is the 500 mb
06z NAM 500 mb heights 2 am Fri (image weatherbell)
The cause of this is a cold front pushing towards New England.  Most of Friday will stay dry.  Here is the morning surface forecast
WPC Surface forecast 8 am Fri
Temperatures will climb into the mid 70's
06z NAM hires 2 m temps 2 pm Fri (image weatherbell)
Weekend Forecast (Friday Night-Sunday)
The surge of warmth Friday is related to the winds shifting to the Southwest following the passage of the low pressure system.  However the burst is short lived.  Friday at 8 pm the rain is into Western MA
WPC surface analysis Fri 8 pm
On Saturday the heaviest rain will be in Northern New England.  However everyone gets wet 
00z EURO precip Sat 2 pm (image weatherbell)
In Southern New England it will be gray day with off/on rain showers.  At times the rain will be heavy but often it will be light and misty.  Temperatures Saturday are in the 60's.  On Sunday the front will clear in the morning leaving a decent afternoon.  Here is the rainfall for the weekend
WPC day 3 rainfall forecast
Also cannot rule out a thunderstorm on Saturday
SPC Day 3 thunderstorm outlook
Have a good one, talk to you tomorrow.


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