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Today's update is presented by Downeast Aerial Photography in Rockland for real estate, property inspections, fine art photos, family memories, or other aerial photography or video needs. DAP is fully insured and registered with the FAA. For more information, check out downeastaerialphotography.com A comfortable Maine summer day SYNOPSIS: Temperatures will be cooler Tuesday into Wednesday in the wake of the cold front, as high pressure builds to the north. High pressure will then gradually shift south and east Thursday through Friday night. A weak trough of low pressure is expected to move into Maine on Saturday. The dry stretch will continue for most areas, with no widespread precipitation expected. TUESDAY: High pressure building in from the northwest will bring drier and clearer air into the region today, with skies ranging from sunny to partly cloudy, except in the mountains where more sky cover will persist throughout the day. Model guidance suggests that some fair-weather cumulus clouds will develop this afternoon, mainly across central and northern areas, while high clouds may drift across the south. The northward push of high pressure has also helped drive Canadian wildfire smoke southward and out of the region, allowing for a noticeable improvement in air quality today. However, a hazy appearance will persist, especially across New Hampshire and the western portion of Maine. A few scattered showers or thunderstorms may develop this afternoon and continue into the early evening, with the highest potential focused on west-central NH and the White Mountains. Tonight, high pressure cresting over the region will bring calm, moonlit conditions with lows dipping into the 40s north and 50s south. The combination of cool, tranquil air and warmer bodies of water will likely lead to river valley fog developing late tonight. WEDNESDAY: High pressure will continue to remain in place on Wednesday, bringing another calm, sunny, and dry day. Early morning fog may linger over rivers and lakes, but should dissipate by mid-morning. With plenty of sunshine and subsidence on the eastern side of an upper-level ridge building into Quebec, temperatures will rise, making for a warmer day. Inland highs are expected to reach the upper 70s to near 80 degrees. A weak passing surface trough may trigger a few widely scattered showers and storms across parts of NH during the afternoon, but most areas are anticipated to stay dry. Wednesday night will consist of calm, dry weather, with low temperatures in the near-normal range. OUTLOOK: High temperatures on Thursday are expected to be near normal, give or take a few degrees. Northern stream ridging will shift east on Friday, but associated subsidence should be enough to keep conditions dry. A weak northern stream shortwave will move through on Friday and again Friday night, though low-level moisture appears too limited to support measurable rainfall, so the dry stretch is expected to continue. On Saturday, a more vigorous northern stream shortwave is possible, which may be enough to produce isolated to scattered showers and possibly a thunderstorm across northern areas. At the same time, the rest of the region stays dry. From Saturday night through Monday, deep-layered ridging will build in, with subsidence once again supporting dry conditions. Temperatures will begin to creep back up over the weekend into early next week. As this is my last post here with PTW, I wanted to take a moment to thank everyone who has taken the time to follow along with my forecasts this summer. I am so grateful not only for the opportunity to learn and grow but also to be part of this passionate and supportive community. Lastly, I would like to thank Mike for letting me join this great group of interns. He is an amazing leader, teacher, and mentor. Thank you all, and I hope everyone enjoys the rest of the summer! -Jenna Temperature outlook through Monday Today's update prepared by Penn State graduate |
Mike Haggett
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