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Upper-low continues to spin through Maine Tuesday

10/19/2021

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Clouds, chance for showers, and breezy

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To sum up the day in a nutshell, it will be a raw one. As the upper low continues to spin overhead, it will bring in cooler air thanks to a northwesterly breeze, mainly cloudy skies for all but southern areas, along with a chance for precipitation.
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Tuesday 8 AM - 8 PM: As shortwaves pass through the area, those will bring the best chance for precipitation. The mountains and north have the best chance to get shower activity. In areas in elevation 2,500' and higher have the best chance for some light accumulations of snow.
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Tuesday 8 PM - Wednesday 8 AM: Another shortwave is expected to pass through the region overnight as the upper-low begins to move to the northeast. This again will bring a chance for precipitation over the state in the overnight hours into Wednesday morning. For those in the mountains, there is a possibility for some slick roads in the higher elevations through mid-morning. 

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Outlook for the rest of the week and weekend

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Thursday 8 AM - Friday 8 PM: A weak area of high pressure moves in on Wednesday for a brief visit, and then departs to the east. A frontal boundary approaches from the west heading into Thursday. Low pressure is expected to form along the front and ride up through the St. Lawrence River valley and bring the chance for rain showers for the north and mountains Thursday afternoon into Friday. A cold front is expected to pass through the region, which may bring an isolated shower to the coastal plain Friday afternoon. 
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Friday 8 PM - Sunday 8 PM: The weekend forecast is a toss-up at this point. The cold front that passes through the region is expected to stall offshore, but the main question for now is where. Model ideas vary in solutions. At this point, coastal areas have the best chance for showers on Saturday, but if the front stalls over the Gulf of Maine, all areas could see a showers to start the weekend. It is wait and see as to how this plays out for now. 

Temperature outlook through Sunday

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The thermometer is expected to be on a bit of a roller coaster going into the weekend. Temperatures progressively warm up through late week, and then cool down heading into next week. The mean average over the next five days is slightly above normal. 

mPING your weather observations!

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Check out mPING (Meteorological Phenomena Identification Near the Ground) project. Weird name, cool app! You can report the type of precipitation you see where you are. No need to measure! Use the free mobile app to send reports anonymously. Reports are automatically recorded into a database, which improves weather computer models.  mping.nssl.noaa.gov

Be prepared to receive alerts and stay updated!

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​BE PREPARED WITH A NOAA Weather Radio.
​
​For $20-$40, it could provide vital information to you when you need it. The weather bands are standard on most public safety scanners, and newer scanner models. Weather radios can be programmed for auto alert. Click here for more information.

​​​​​​​​► ► For the latest official forecasts, bulletins, and advisories, please check in with the National Weather Service in Gray for western and southern areas, or Caribou for northern and eastern parts of Maine.
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​Thank you for supporting this community-based weather information source which operates by reader supported financial contributions. 

Stay updated, stay on alert, and stay safe!

​- Mike
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    Mike Haggett
    Kennebunk, ME

    Weather-Ready Nation
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    Certified Weather
    Forecaster
    Penn State '21

    American Meteorological Society

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