Wednesday, April 13, 2011

Rainy

A low pressure system moving through New England will bring rain today, next storm on Sunday.

Today:  Periods of rain, especially before 3 PM, temperatures holding steady in the 40s for both north and south.

Tonight:  Leftover showers come to an end, partial clearing, lows near 40 south, 30s north.

Tomorrow:  Partly to mostly sunny, highs in the mid and upper 50s south, mid 50s north.

Tomorrow night:  Partly cloudy, lows in the mid and upper 30s south, near 20 north.

Friday:  Mostly sunny, a bit cooler, highs near 50 south, 40s north.

Discussion:

A low pressure system is sitting just to the west of New England this morning.  This will gradually pass to west and north of the region through the day today.  The bulk of the precipitation should exist in New England, especially Southern New England during the first half of the day.  By the time we reach the afternoon hours, most of the rain will have moved off shore and out to sea.  There already have been a few thunderstorms across Southern New England and that threat will continue until around noon.  After the steady rain moves away, we'll be left with showers and some isolated heavy downpours.  By tonight the low will be sitting to the north of the region and dry air will start to wrap in behind the storm.  This will dry up the remaining precipitation and lead to a nicer day tomorrow.

High pressure will build in behind the departing storm system on Thursday.  We should see a decent amount of sunshine and above normal temperatures.  Conditions will remain pleasant into the start of the upcoming weekend as well as high pressure will hold on into the first half of Saturday.  Temperatures will be a bit cooler on Friday as colder air sinks in from Canada.  This combined with a lack of a dominate wind direction will result in sea breezes as well.  Saturday should be a bit warmer than Friday thanks to a southwesterly wind.  There will also be a bit more cloudiness in response to a large low pressure system that will arrive Saturday night.

This low will bring a damp finish to our weekend with what looks like potentially heavy rain.  Timing of this could change, but right now I'm fairly confident we can salvage at least half of the upcoming weekend.

Thanks for reading!

-Jon K.

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