Apr 7, 2015 11:00 PM

NH1 Weather Insider with Joe Joyce: April 8, 2015

NH1 Chief Meteorologist - NH1.com

As I look at the long range weather, all I see is warmth heading into next week. But first, we have quite a challenging bit of weather to get through first! High Pressure sitting north of us on Wednesday morning is supplying low level cool dry air to the region. Skies have cleared overnight, making it a chilly, but bright start to the day. Light onshore wind off the 38-40 degree ocean water will help to keep temps down even with the morning sunshine. Highs will average 38 at the coast to 42 to 45 farther inland. As the high begin to pull away clouds will begin to increase during the midday and afternoon. We will be tracking our next batch of precipitation which may arrive in SW NH just before sunset.

We have been talking about a stalled front south of New England. It is the dividing line between the warm and the cold. Can you guess which side of the front we are on? Weak lows have been riding along this front. So far we have squeezed out some decent weather considering the changes which continue to occur right over our heads in the atmosphere. The next change will be arriving Wednesday night with a batch of snow and rain which will be directed into New England. The moisture will be arriving at night, and running inro a dome of cool air sitting over the region. So most of the precipitation should initially be in the form of snow during the evening-overnight hours. We will have to watch for some sneaky warm air aloft which could melt snow flakes to rain. Those rain drops will re-freeze before reaching the ground as it runs into the colder air forming sleet. If sleet mixes in, that would keep accumulations next to nothing. The best chance of sleet would be across SNH and Northern MA. It is a very close call and it will be close to a degree or two in the atmosphere which could mean sleet or all snow. Stakes are high as always. For most across New Hampshire, it should be mainly snow and there is the possibility for 2-4+" of snow to fall. Heavier amounts could fall in the higher elevation of New Hampshire.The snow will be ending early Thursday morning. There are concerns for a slippery snow covered Thursday morning commute for some. Nothing is nailed down yet, as we will have more certainty as we get closer to the event.

While most of the snow will be over Thursday, the clouds will remain locked in and saturated. Meaning still some spotty drizzle or even pockets of sleet will be possible along with cool NE winds and highs in the 30's. A warm front will approach on Thursday night providing another round of showers to the region. We will have to watch out for cold air damming in the valleys and foothills with high pressure to our north supplying the low level cold. Most of us will just have a wet evening as temperatures begin to warm.

Winds will be shifting to the SW behind the warm front Friday with a milder flow and highs in the 50's. A few more showers are possible late along with a cold front to end the day. Behind this front, cooler drier air will arrive Saturday, but the higher sun angle will allow temps to get back up inot the 50's to near 60 this weekend! Next week looks even warmer as we will climb inot the 60's and maybe even inot the 70's around Thursday of next week!

The next 2 days will be winter's last gasp....Good riddence!


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