Beautiful Weekend

7:36 AM, Mar 30, 2013   |    comments
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If last year's spring was a Ferrari; arriving quickly and in a flashy manner. This years spring is more like a Prius.... a bit slow, very efficient and it will get you to the same place. (BTW I'm anti-flashy car. I can allow up to a BMW/Audi but anything more sporty and expensive than that seems like a cry for help. It's especially impractical when a sports car is a persons only transport up here in Maine. There's a guy with a Corvette who lives next to me and it's absolutely hilarious watching him try to get out of the drive way in a snow storm.)

High pressure building in from the west will make for a settled, quiet and mild weekend. The high will be well timed as well, taking over on Saturday morning and breaking down by Sunday night.

Today: Mostly sunny and pleasant. High temperatures will push into the upper 40s and low 50s in most spots. In fact most of central and southern Maine should crack 50 F. The only thing to watch is the possibility for a sea breeze to develop along the coastline. I think we should be ok though because a northwest wind will fight it back. After all it's not the brutal strong sea breeze we deal with in June. (Reason? The difference between the ocean temperature and air temperature is much less pronounced. The water is in the low 40s today, air will be in  the low 50s. By June, air temperatures can reach the 80s while the water lingers in the 40s. The larger the difference, the stronger the onshore wind.)

Tonight: Mostly clear skies will allow temperatures to drop off pretty quickly. Overnight lows in the 20s in most spots, right around 30 F closer to the coast.

Sunday: Mostly sunny through around 2 PM at least. After that clouds will increase from southwest to northeast as a frontal boundary approaches. The cloud cover should be of the high, thin variety at first however, so milky sunshine will continue even later in the day. High temperatures will be almost exactly the same as Saturday: Upper 40s to low 50s. (Also of note: I like Cadbury eggs and our studio is located at One Congress Sq. Portland, ME 04101)

The front will pull through on Sunday night bringing rain to most of us but a mixture of snow and sleet to the mountains and foothills. This mixture will continue into the morning hours on Monday in the higher terrain, while the rest of us deal with a gloomy and wet morning. Rain will continue until late morning over southern and central Maine, lingering over northern Maine until early afternoon. The mountains and foothills will pick up an easy 2-4" of heavy, wet snow from the system.

We will clear out but cool down for Tuesday and Wednesday. With the jetstream really diving to our south I expect temperatures to top out only in the upper 30s to low 40s both days. Maine will be influenced by what we call "cyclonic flow" on Tuesday, allowing for some mountain flurries through the afternoon while the coastline plain is simply a mixture of sun and clouds.

Warm Week of April 8th?: After a strong trough on Tuesday/Wednesday, we begin to recover late in the week. Meanwhile a strong ridge out west is building warmth day after day. Indications in the long range models are such that I think that ridge will slide eastward towards us starting next weekend and peaking around midweek during the April 10th timeframe. A Bermuda High is hinted at on the surface computer models and a strong southwest wind kicks up in response. This is a classic spring "Blowtorch" signature that could put us into the 60s and even low 70s with relative ease.

It's still way out I could be wrong (unlikely)...but I'd keep an eye out for a early summer tease in about 10 days.

Twitter: @KeithCarsonWCSH


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