Tag Archives: Great Lakes

Full update on winter storms

We are now on a wild roller coaster ride when it comes to the weather in the North East. A low pressure system is moving out of the Great Lakes and will be transferring its energy to a secondary low off the NJ coast.

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Graphic overview of storms.

As you can see, there are many factors playing into the forecast. The coastal front, the new low, cold air damming. Cold air damming is when  the heavy cold air stops the advance of Warm air. Where exactly the cold air dam sets up will play a big part in the type of precipitation. The coastal front will play an equally important part on determining precipitation types. As shown, the east winds off the warm water will bring in warmer air. This will turn snow/sleet/freezing rain into all rain. Expect this to move inland Monday-tuesday.

After the coastal front moves inland, Wednesday will already be here as will another storm. This new storm will be MUCH stronger.

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This graphic depicts the setup Monday-Wednesday. The coastal front from tonight will move way inland turning everyone except the ski resorts over to plain rain. The wednesday low will move swiftly through the Gulf of Maine and into the Canadian Maritimes. On the backside of this system the cold air will make a comeback turning everyone back over to snow Wednesday evening-night. Accumulations should be light.

After we get the Monday and Wednesday storms out of the way, there will be yet another low Friday. This is a little too far out to accurately forecast so I will detail that in a later Post coming Wednesday-Thursday.


Thursday snow storm

Thursday will likely be our last chance at a very significant snowfall. A low will be moving out of the Great Lakes and will be nudged south by a fairly strong high in southern Quebec. This is a very cold high spilling cold air over the region so precipitation type will not be an issue with the exception of maybe Kittery where the warm air will be located. Confidence is still low so stay tuned for more updates.


Mild start to the week

It is a mild start to the workweek this week with a strong low pressure over the Great Lakes will track northward through Ontario and eventually Northern Quebec. This low will swing a warm front north through the area tonight bringing a period of light rain at the coast, and freezing rain or rain inland with possibly some snow changing to rain in the far north and mountains. Tuesday will be extremely mild with 50 degrees in Portland and Yarmouth anywhere north of that will see temps in the 40s except for the mountains where around 40 or a little under can be expected.

Mid Atlantic: Cold front Tuesday will bring cooler temps to the area and will bring a line of showers and t-storms Tuesday.

Stay tuned!