Sep 15, 2016 10:36 PM

NH1 First Alert Weather: Harvest Moon Bids Good Bye to Last Weekend of Summer

NH1 Chief Meteorologist

High pressure will slide east Friday allowing for a southerly flow to develop again. Slightly warmer temps are expected. Sea breezes along the coast will keep temps similar there in the 60's & Lwr 70's. Inland highs will be warmer in the mid 70's. We will also have a moderate rip current risk Friday. Buoys are sampling a 2 feet 12 second SE swell that is forecast to continue all day. Given the long period and onshore flow...I would not be surprised if there are a few rips generate at area beaches. Otherwise, An absolute spectacular day followed by a rising Super Full Harvest Moon to illuminate the evening sky. Valley fog should be a little more patchy in nature Fri night. Lows will not be a cool Friday night under the southerly flow.

High pressure parked off the coast will keep the sunshine and milder temps going into Saturday with high in the middle-upper 70's. Clouds will be on the increase during the day Saturday afternoon as the high moves off the coast and warmer air starts moving in aloft. Showers should develop across the area late Saturday night as the cold front approaches the area. Periodic showers will continue for much of the day Sunday. There is a chance of a few thunderstorms expected during the day Sunday as the front approaches. It is hard to say how widespread they will be. There is the potential for a few slow moving down pours with the increased humidity.

The front lingers and stalls across the area Sunday night into Monday. This will allow the threat of showers to persist into Monday. In addition...there is sufficient instability lingering behind the front that an afternoon shower or t'storm can`t be ruled out Monday afternoon. A weak ridge of high pressure will move through the area Monday night and early Tuesday. Another weak cold front will cross the area Tuesday afternoon or evening. This front could kick off a few showers in the mountains, but looks dry for the remainder of the area. High pressure will move into the area for Wednesday into Thursday when another frontal boundary will approach the area. Highs will remain in the 70's to near 80 averaging above normal likely through the end of the month of September. Enjoy this last weekend of Summer!

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