Wimpy Winter Not Done Yet!

March 29, 2016

Although this winter has been pretty tame overall, it looks like it's not quite dead yet.  In the near term however, conditions will become more comfortable beginning Wednesday.  As high pressure builds in from the west tonight, the pressure difference (gradient) between it and the storm in the Maritimes will decrease, allowing the wind to east.  However with a clear sky and lighter wind, radiation cooling will allow low temperatures tonight to fall into the 20's in many places, so don't leave your plants out!

 

Wednesday will be much less windy than today with lots of sun, making for a more pleasant experience.  Highs will be in the 50's.  A southwest breeze will develop during the afternoon.  By Thursday it will become windy again, however this wind will be from the south to southwest which will push high temperatures into the low-mid 60's (except, perhaps some shore points).  Clouds will mix with the sun.  The chance for a shower or two develops Thursday night, with temperatures remaining in the low-mid 50's.  Expect periods of rain & showers Friday as the next cold front approaches, but before it arrives temperatures will reach the 60's despite clouds & rain at times.

 

The first cold front arrives Friday evening.  Behind it things will start to become cooler & drier Friday night.  Saturday will be partly sunny with high temperatures in the 50's.  The second cold front, an Arctic front, will arrive Saturday evening.  Behind this front it will be windy & cold Saturday night with temperatures dropping into the 20's-low 30's.  An upper-level disturbance comes through, with a surface low pressure passing to our north.  This will result in snow showers (or in some cases rain showers changing to snow showers) Saturday night.  Probably some accumulation in some places - especially higher elevations.  Accumulation likely in northern New England.  Sunday will be fair, breezy & unseasonably cold with highs only in the 30's-low 40's (colder across higher elevations), but feeling colder than that due to the breeze.

 

Looking further out, the GFS & European models are both suggesting that accumulating snow is a possibility on Tuesday, April 5th, however that's pretty far out to have much confidence in, so take it with a large grain of salt. 

 

The three maps below show the progression of the 500 millibar (a level aloft around 10,000 feet) trough swinging down into the northeast resulting in colder weather this weekend - especially Saturday night & Sunday. Click to view on Instagram.

 

 

 

 

 

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