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Apr 12, 2016 11:42 PM

NH1 Weather Insider with Joe Joyce: April 13, 2016

NH1 Chief Meteorologist

NH1 Weather Insider with Joe Joyce: April 12, 2016 | NH1

High pressure will be sliding from the Great Lakes towards the Northeast for the midweek providing for beautiful dry pleasant spring weather with highs in the 50's. A perfectly seasonal airmass. As the high shifts farther north into Canada it will begin to wrap in a cooler NE wind at the surface. Winds off the 41 degree water can make the coast line be quite a bit cooler, than from the milder temperatures inland. That will be the case this week. Everyone will bask in the sunshine, but the beaches will struggle to warm with highs remaining in the 40's and Lwr 50's, while inland highs will be in the 50's to near 60. The warmest spots will be in the western valleys.

Overall, there is more blocking in the atmosphere than we have seen in awhile. Sometimes, if you are on the more unfavorable side of the block, inclement unsettled weather can last for days. If you are lucky enough to be on the good side of the block, it will mean days of sunshine. That is exactly where we are heading! A huge upper level ridge will be building over the northeast as we approach the weekend. This will provide more sunshine and temperatures will be climbing into the 60's and even Lwr 70's by Sunday!

Of course, with this pattern, back door cold fronts can be very typical and can quickly shut down the warmth with a simple wind shift to the Northeast. That may happen to start next week sometime. The timing of the backdoor front will change, but it does appear some of the warmth of the weekend may be in jeopardy heading into the start of next week. There are questions in regard to how quickly a backdoor front pushes through on Marathon Monday. This will still take a few days to determine, any wind shift to the NE will impact the forecast greatly. If the front stays north of us we will remain mild near 70, but chances are this front will push through on Monday with the chance for a shower and falling afternoon temperatures, especially at the coast. Behind this front we can expect breezy and cooler weather to remain in place into Tuesday. Remember, we are still in a blocky pattern. We are moving into the favorable side of it for the next several days. The question is when we get into the more unsettled unfavorable weather. Nature surely has more tricks up her sleeve this spring. Enjoy the natural treat of being outside!

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Concord, NH
Broken Clouds 32°
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