Weekly Outlook: November 28-December 4, 2016

Here we are, in the final days of November and the beginning of December, ad we’re staring at not one but two storms this week that could bring us heavy precipitation. Of course, that precipitation will be nearly all rain, but we definitely need it, as we’re still in the midst of a drought.

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To say that rainfall has been below normal around here for quite some time would be a big understatement. Image provided by the Northeast Regional Climate Center.

The week starts off on a sunny but chilly note thanks to high pressure. You’d better enjoy that sunshine though, because once it disappears behind afternoon clouds, you won’t see it again until Thursday. The first storm system moves through on Tuesday, giving us a good dose of rainfall. Things could be tricky to start though. The rain may arrive before daybreak on Tuesday. With cool weather still in place, temperatures may be close to freezing across central and southern New Hampshire when the rain arrives. This could result in a little freezing rain in some areas, so you may want to be careful heading out the door early Tuesday morning. Temperatures should be above freezing across the region by late morning, ending any potential icing threat. South of Boston, it could be a much different story. Gusty southerly winds could send temperatures well into the 50s on Tuesday. The rain tapers off and ends Tuesday evening, but the next storm will be quickly approaching from the west. This storm will likely head up the St. Lawrence Valley, keeping the entire region mild, but with another round of heavy rain late Wednesday into Thursday morning. Colder air settles in behind that storm, and with an upper-level low pressure area moving through, we could see a few rain or snow showers on Friday. High pressure then builds in for the weekend with dry and cool conditions.

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The GFS model is forecasting 1.5-3″ of rain across the region through late Thursday. We need even more to break the drought. Image provided by Pivotal Weather.

Monday: Plenty of sunshine, dimmed by afternoon cloudiness. High 39-46.

Monday night: Becoming cloudy with rain developing towards daybreak, possibly starting as some freezing rain in central and southern New Hampshire. Low 28-35.

Tuesday: Rain likely, possibly heavy at times. Becoming breezy along the south coast. High 45-52 north of Route 2, 52-59 south of Route 2.

Tuesday night: Mostly cloudy with rain tapering off and ending in the evening. Low 39-46.

Wednesday: Cloudy and becoming breezy with rain redeveloping by midday. High 48-55.

Thursday: Any lingering showers ending in the morning, otherwise becoming partly sunny and breezy. High 48-55, except 55-60 south and east of I-95.

Friday: A mix of sun and clouds, slight chance for a rain or snow shower. High 43-50.

Saturday: Partly sunny. High 39-46.

Sunday: Intervals of sun and clouds. High 37-44.

We do need to keep an eye on the start of the following week. Most of the models are indicating that a storm system may impact the region Monday into Tuesday. However, there is very little agreement among the models on how strong the storm might be, how heavy the precipitation might be, and what type of precipitation may fall. So, we’re not going to go into any more details at this time. We’re just giving you the heads up to keep an eye on future forecasts.

Thanksgiving Forecast

(borrowed from Elliot Abrams)

Turkeys will finish thawing Thanksgiving morning, then warm in the oven to a high near 190 in the afternoon. The kitchen will turn hot and humid, and if you bother the cook, be ready for a severe squall or a cold shoulder.

During the late afternoon and early evening hours, the cold front of a knife will slice through the turkey and cause it to accumulate 1-2 inches on plates. Mashed potatoes will drift across one side while cranberry sauce creates slippery spots on the other, especially if it mixes in as you turn to the green bean casserole. Please pass the gravy.

A weight watch has been issued for the entire area and we expect intervals of indigestion, with increasing stuffiness around the beltway. During the evening the turkey will diminish and taper off to leftovers and drop to a low of 34 in the refrigerator.

Looking ahead to Friday and Saturday: high pressure to eat sandwiches; flurries of leftovers can be expected both days with a 50% chance of scattered soup during the midday hours. We expect a warming trend baste on where soup develops.

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Weekly Outlook: November 21-27, 2016

If you’re planning to head “over the river and through the woods to grandfather’s house” for your Thanksgiving dinner, well, you won’t need a sleigh to get there. You will probably need a coat and maybe an umbrella too.

If the snowflakes that many of us saw Sunday evening weren’t enough of a hint, the wind chill when you step outside today will be a bigger one – we’re moved into a colder pattern. Don’t worry, there still aren’t any big snowstorms in the immediate future, but there also aren’t any days where you can walk around in shorts and be comfortable.

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Wind chills will be in the upper teens and 20s when many of you head out to work or school Monday morning. Image provided by WeatherBell.

We start the week off with low pressure moving across Northern New England and into Atlantic Canada. This will result in blustery (there’s a word you only hear used in the winter) and cool conditions for Monday and Tuesday. A few more snow showers are possible on Monday as an upper-level low pressure area swings through the region.High pressure briefly builds in for Wednesday, but the next storm system will be moving eastward right on its heels. Thanksgiving will be mainly cloudy with a few showers possible, and some wet snow could mix in if the showers arrive early enough in the day, mainly north and west of Boston. Black Friday starts off dry (if you’re heading out for the Midnight Specials), but another weak system will quickly approach, with more showers possible by evening, continuing into Saturday when a period of steadier rain is possible. Blustery (there’s that word again!) and cool conditions return on Sunday.

Monday: Intervals of clouds and sunshine, windy, chance for a few snow or rain showers. High 33-40.

Monday night: Partly cloudy to clear, breezy. Low 26-33.

Tuesday: Partly to mostly sunny, still breezy. High 36-43.

Tuesday night: Mostly clear skies. Low 25-32.

Wednesday: A sunny start, then clouds return in the afternoon. High 37-44.

Thursday: Mostly cloudy with a chance of showers, possibly mixed with some wet snow early in the day. High 39-46.

Friday: Plenty of clouds, chance for a few showers, especially late in the day and at night. High 43-50.

Saturday: Rain tapers off to showers before ending late in the day. High 42-49.

Sunday:A mix of sun and clouds, breezy. High 40-47.

Before you complain about how cold it is, just remember, it could be a LOT worse. Over in Siberia, Mongolia, and Kazakhstan, temperatures today will be 20 to 40 below zero. That’s 30 to 50 or more degrees below normal. Our temperatures, while chilly, will “only” be 10-15 degrees below normal today.

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Temperatures in Central and Eastern Asia will be 15-30 degrees C (25-50F) below normal today. Image provided by Pivotal Weather.

Weekly Outlook: November 14-20, 2016

Once again, we’ve got another fairly quiet week coming up across the region, with little to talk about. That’s a good thing, because we’re into the middle of November now, and it’s only a matter of time until things get more complicated. (Don’t worry, we’re not going to use the S-Word).

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The National Weather Service is expected a very warm day on Monday. We’re not sure it’ll get quite this mild, but it’ll still be a fantastic day. Image provided by WeatherBell.

We start the week off with high pressure in control, giving us a sunny, mild day today. Tuesday is the complicated day of the week. A storm system will move up the coast, giving us some rain and cooler temperatures, mainly north of Boston. Of course, “cooler” is a relative term, as even though Tuesday will be about 10 degrees cooler than Monday, we’ll still be near or a little above normal for mid-November. South of Boston, temperatures could spike back into the 50s to near 60 again on Tuesday, depending on the exact track the storm takes. Once the storm goes by on Wednesday, high pressure builds back in, with drier weather for much of the remainder of the week, along with another warming trend. In fact, we wouldn’t be surprised at all if temperatures on Friday and Saturday ended up even warmer than what we have in the forecast below. Another system moves in this weekend with some showers and cooler conditions, but again, things could be a lot worse at this time of year.

How much worse could it be? Consider this. The cold front that will give us showers over the weekend will be extending southward from a storm moving into northern Quebec. Before it gets there, it will be quite a strong storm moving across the Nation’s mid-section later this week. It will likely produce blizzard conditions across the Dakotas, with heavy snow, wind gusts in excess of 50-60 mph, and very cold temperatures. How cold? How does sub-zero low temperatures sound next Sunday morning with 1-2 feet of fresh snow cover sound? Aren’t you glad that you don’t live in Bismarck, North Dakota?

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GFS model forecast for snowfall through next Sunday morning across the Dakotas. Image provided by WeatherBell.
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GFS model forecast for low temperatures next Sunday morning across the Dakotas. Image provided by WeatherBell.

 

Monday: Mostly sunny for much of the day, clouds start to filter in by evening. High 57-64.

Monday night: Becoming cloudy, showers developing towards daybreak along the south coast. Low 36-43.

Tuesday: Cloudy and breezy with showers likely, thought a few pockets of steadier and heavier rain are possible. High 47-54 north and west of Boston, 54-61 from Boston southward.

Tuesday night: Cloudy with showers tapering off and ending. Low 44-51.

Wednesday: Morning clouds give way to increasing afternoon sunshine. High 53-60.

Thursday: Mostly sunny. High 50-57.

Friday: Plenty of sunshine. High 52-59.

Saturday: Mostly sunny to start, then clouds start to increase late in the day. High 50-57.

Sunday: Mostly cloudy with a chance of showers. High 47-54.

Weekly Outlook: November 7-13, 2016

The votes are in – most of this week will feature some decent weather. However, it’s not all good news. Mother Nature has elected to remind us that it’s November, and it looks like we’re going to have our inaugural visit of arctic air next weekend.

We’ll start the week with high pressure giving us sunshine and cool temperatures on Monday. As the high slides offshore, we’ll warm up on Tuesday. A weak cold front moves through on Wednesday, but we’ll only see a few showers with the front. High pressure returns for Thursday and Friday before the next cold front comes through Friday night. Then, we get to the weekend. Hope you’ve got your heavier jackets out of the closet, because you’ll need them. Gusty northwest to northerly winds will not only bring in some of the coldest air so far this season, they’ll also re-introduce a phrase you haven’t heard in several months – “wind chill”. Oh, and there’s even the chance for a few rain or snow showers (yes, we said the s-word).

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Heading out to walk the dog or take a run Saturday morning? Bundle up, wind chills might be in the 20s! Image provided by WeatherBell.

Monday: Plenty of sunshine. High 46-53.

Monday night: Clear skies. Low 28-35.

Tuesday: Mostly sunny and milder. High 57-64.

Tuesday night: Increasing clouds. Low 38-45.

Wednesday: Mostly cloudy with some afternoon showers possible. High 53-60.

Thursday: Partly to mostly sunny and breezy. High 46-53.

Friday: A sunny start, then clouds move in, becoming windy. High 50-57.

Saturday: Intervals of sun and clouds, windy, chance for a rain or snow shower. High 38-45.

Sunday: Partly to mostly sunny. High 43-50.

If you’re worried about an early season snowstorm, you can stop. There doesn’t appear to be anything of note to worry about over the next couple of weeks. It’s fairly rare to have a snowstorm this early in the season around here. Sure, there are a few examples (Snowtober 2011, Veterans Day 1987), but normally, you need to get into late November, or more likely December, before we get a true “snowstorm” around here. For now, we only have to worry about the crapstorm known as the Election for 2 more days.

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Snowfall forecast for the next 16 days from each of the 22 members of the GFS Ensemble. Most of them show little to no snow for our area. Image provided by WeatherBell.

Weekly Outlook: October 31-November 6, 2016

There’s nothing spooky about the forecast this week. Most of the week will be a treat, with very little in the way of tricks.OK, now that we’ve got the requisite back Halloween puns out of the way, we can get to the actual forecast.

High pressure will keep the region dry today and Tuesday. A weak system passes by to the north Tuesday night and Wednesday, bringing in some clouds, but it doesn’t look like we’ll see any precipitation.While we’ll be cool today and tomorrow, we will start to warm up on Wednesday. While Thursday will also be warm, we’ll be dealing with rain by afternoon as a cold front approaches the region. The rain will continue into Thursday night, but be gone by the time you wake up Friday morning. High pressure returns for Friday and Saturday with cool conditions returning. Another weak system comes through on Sunday, with some additional showers expected.

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At least one model thinks we’re in for a good dose of rainfall Thursday afternoon and evening. Image provided by WeatherBell.

Considering how bad things can get around here for Halloween, this week’s forecast isn’t that bad. Just 4 years ago, we were cleaning up after Sandy. Just one year earlier, we were digging out from a record blizzard. Also, 25 years ago, the so-called “Perfect Storm” was battering the region.

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Snowfall from the Halloween Snowstorm of 2011. Image provided by NOAA.

Monday: Becoming mostly sunny and breezy. High 45-52.

Monday night: Mostly clear skies. Low 28-35.

Tuesday: Sunshine and a few clouds. High 50-57.

Tuesday night: Partly cloudy. Low 38-45.

Wednesday: Intervals of clouds and sunshine. High 61-68.

Thursday: Cloudy and breezy with rain likely in the afternoon and evening. High 63-70.

Friday: Partly to mostly sunny. High 46-53.

Saturday: A mix of sun and clouds. High 47-54.

Sunday: Mostly cloudy with a chance for a few showers. High 45-52.

 

Weekly Outlook: October 24-30, 2016

In the past several days, we’ve had 80-degree temperatures setting record highs, torrential downpours leading to flooding, several inches of snow across the higher elevations, and wind gusts to 60 mph across the region. Believe it or not, there’s a technical term for all of this: “October” While we’re still in October, things will be a lot less volatile during the upcoming week.

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Parts of Northern New England received several inches of snow Saturday night, especially at the higher elevations. Image provided by NOAA.

We’ll start the week off with a little bit of rain as a weak system moves across the region. The rain will be mainly confined to areas south of the Mass Pike, and should be all done before many of you get to work Monday morning. It will remain windy into Tuesday as the storm that brought us the heavy rain Friday continues to sit and spin across southeastern Canada. High pressure then builds in, giving us dry but rather cool conditions for mid-week.The next system gives us some rain Thursday into early Friday. While there could be some downpours, we’re not looking at anything like what we saw Friday night. High pressure then builds in for the weekend, but another storm looks to approach late Sunday night and into Halloween. Right now, it looks like the rain will be out of here in time for trick-or-treaters, but we’ve got plenty of time to keep an eye on that system.

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On average, high temperatures should be in the upper 50s to near around here in late October. Much of the upcoming week will see highs 10-15 degrees below normal. Image provided by WeatherBell.

Monday: Showers in the morning, then becoming partly sunny and windy in the afternoon. High 52-59.

Monday night: Clear to partly cloudy and breezy. Low 32-39.

Tuesday: Partly to mostly sunny, still breezy. High 43-50.

Tuesday night: Clear skies. Low 29-36.

Wednesday: Sunshine and a few clouds. High 41-48.

Thursday: Becoming mostly cloudy with showers developing late in the day, becoming a steady rain at night. High 46-53.

Friday: Rain ending in the morning, then becoming partly sunny and breezy. High 53-60.

Saturday: Mostly sunny. High 50-57.

Sunday: Becoming mostly cloudy with showers developing at night. High 48-55.

Finally, since we’re getting to the time of year where people start wondering when the snow will start to fall around here, we figured we’d try to answer that. Now, we understand that some of you ask this question because you love winter, and some ask because you dread it and want to know when your luck will run out. There’s a model called the CFS, that actually goes out several months. We put zero stock in this model, and are only presenting it for entertainment purposes only. In other words, the odds that this model is right are roughly the same odds that the Cubs win the World Series the Jets win the Super Bowl this year.

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CFS model forecast for Sunday evening November 20, showing the first snowfall for Southern New England. We’re just showing you what the model has, not that we believe it. Image provided by Pivotal Weather.

Weekly Outlook October 17-23, 2016

As you can probably guess from the video above, we’ve got some changes coming this week. A weak cold front will drop down into the region today, with just a chance for a few showers as it moves through. That front will lift back northward as a warm front as we head into Tuesday, bringing us some Indian Summer weather for midweek. The front may take its time heading northward, so the warmer air may not reach the Seacoast of New Hampshire until late in the day. Once that warmer air settles in, we could even set some record highs, especially on Wednesday. A cold front moves through late Wednesday, bringing some cooler conditions in for Thursday, but little rainfall.

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Some record high temperatures are possible on Wednesday across the area. Image provided by WeatherBell.

But wait, things change again after that! That cold front stalls out to our south, and a wave of low pressure rides along it. At the same time, an area of low pressure may try to move up the East Coast. As a result, Friday could be a rather wet day. How much rain we get depends on where the front is located and how close the coastal low comes to New England. It appears as though the front may lift back northward again as warm front, which would mean another mild day, but also focus most of the rain across northern New England.

That’s not all though, as there are even more changes next weekend! The coastal low pulls away from the region and the cold front moves well offshore, with high pressure starting to settle in. That will bring much colder air into the region by Sunday, despite some sunshine. How cold? There might even be some snow showers across the higher elevations of northern New England. That chilly air likely hangs around into the first part of the next week.

Monday: A mix of sun and clouds, slight chance for a shower. High 70-77.

Monday Night: Partly to mostly cloudy. Low 52-59.

Tuesday: Partly to mostly sunny and becoming breezy. High 75-82, though it could stay cooler along the NH Seacoast and possibly the North Shore.

Tuesday Night: Clear skies, breezy. Low 59-66.

Wednesday: Sunshine and a few clouds. High 75-82.

Thursday: Plenty of clouds, slight chance for a few showers late in the day. High 63-70.

Friday: Mostly cloudy with showers likely. High 63-70.

Saturday: More clouds than sunshine, more showers possible, mainly in the morning, becoming breezy. High 57-64.

Sunday: Sunshine and some afternoon clouds, breezy. High 54-61.

Weekly Outlook October 10-16, 2016

We finally got the beneficial rain we that we really needed on Sunday. Of course, we need a lot more of it. This week, we’re not going to get it. So while you won’t need an umbrella, you will need to dig out your fall coats and/or sweatshirts, because it’s going to turn cooler.

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Satellite loop showing the moisture from what’s left of Matthew streaming into Atlantic Canada early this morning while Nicole starts to strengthen south of Bermuda. Loop provided by NOAA.

A cold front will continue to pull away from the region today and high pressure will build in. This will result in dry and cool conditions into at least Wednesday. By Thursday, we’ll be back in a somewhat similar pattern to what we had on Sunday. A cold front will be approaching from the west, and Hurricane Nicole will be well offshore after making a close pass to Bermuda. Unlike Sunday, Nicole should be too far offshore to have any influence on our weather, so we’ll just have to deal with scattered showers with the cold frontal passage. High pressure then builds back in for next Friday and the weekend with a return to cool and dry conditions. While we still could see some days with highs in the 70s coming up, it is becoming less and less likely that we’ll see highs reaching 80 again before March or April. It could be worse though, at least we don’t have snow in the forecast…..yet.

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The first snowstorm of the season is expected across the Northern Rockies today and Tuesday. We don’t have to worry about snow yet. Image provided by WeatherBell.

 

Monday: Becoming mostly sunny and cool with diminishing winds. High 55-62.

Monday night: Clear skies. Low 34-41, with some frost likely in the normally colder locations.

Tuesday: Sunshine and a few clouds. High 58-65.

Tuesday night: Clear to partly cloudy. Low 40-47.

Wednesday: Partly to mostly sunny. High 60-67.

Thursday: Becoming partly to mostly cloudy with a chance of late-day showers. High 64-71.

Friday: Partly to mostly sunny, breezy, and cooler. High 55-62.

Saturday: A mix of sun and clouds. High 52-59.

Sunday: Mostly sunny. High 56-63.

Weekly Outlook October 3-9, 2016

There’s not much going on in the weather world right now is there? OK, we’re know you’re not that naive. We’ll get to the update on Matthew in a moment. Much of the remainder of the forecast is actually pretty simple.

The gloomy pattern we’ve been in will continue for one more day before the upper-level low pressure system responsible for it finally lifts out. High pressure starts to build in on Tuesday, and we stay dry through Friday.

After that? Well, that’s the $64,000 question, isn’t it? Here’s what’s going to be happening with the atmosphere. A cold front will start to approach from the west, while an upper-level trough of low pressure moves from the Plains states into the Great Lakes. By early Saturday, Matthew should be off the North Carolina coastline.

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GFS forecast for Saturday morning October 8. Note the trough of low pressure (green colors) moving into the Mississippi Valley, the ridge of high pressure off the East coast (red and orange colors), and Matthew just off the NC coast. Image provided by Tropical Tidbits.

How strong that trough is, as well as how strong the ridge of high pressure off the East Coast is, will determine where Matthew goes. The GFS (pictured above), sends the storm north-northeastward, as the trough pulls it in. Other models, such as the ECMWF, do not have a strong trough, and as such, it builds the ridge back in, stalling Matthew’s northward progress, and letting it mill around off the Carolina coast for a few days. Other models don’t build up the ridge to the east, and thus let Matthew head northeastward, farther out to sea, before the trough captures it and pulls it northward well east of New England. The upper-level energy that will help determine how deep that trough gets is still off the West Coast. Once it gets into the West Coast, and an area where there is a lot more data to feed into the models, they should start to converge on a solution, and thus give us a better idea, or at least a little more confidence, as to what will happen.

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GFS Ensemble forecast tracks for Hurricane Matthew. Image provided by Dr. Brian Tang, University at Albany.
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ECMWF Ensemble forecast tracks for Hurricane Matthew. Image provided by Dr. Brian Tang, University at Albany.

Before we get to what, if any, impacts Matthew may have on our area, there’s another problem. The models are picking up on this, but we don’t think they’re hitting it hard enough. We told you that a cold front would be coming in from the west. This is going to set up what is called a “Predecessor Rainfall Event” or PRE for short. This often happens up here ahead of tropical systems, and can even occur when the tropical system doesn’t even get within 500 miles of New England. This was the case with the devastating flooding we had in 1996 from Hurricane Lili and again in October of 2005. This also happened last year in South Carolina with offshore Hurricane Joaquin. In other words, even if Matthew does not come close to New England, we could be looking at extremely heavy rainfall around here on Saturday ahead of a cold front. Earlier this summer, we told you about an old rule of thumb “When in drought, leave it out”, when talking about rainfall. Well, we’ve got another rule of thumb for you “Droughts end in floods”. Just look at Texas from earlier this year to see that play out.

Monday: Partly to mostly cloudy with more showers and maybe even a rumble of thunder possible. High 64-71.

Monday night: Mostly cloudy, chance for a few more showers. Low 50-57.

Tuesday: Becoming partly sunny. High 58-65.

Tuesday night: Partly cloudy.  Low 44-51.

Wednesday: Partly to mostly sunny (yes, really, we mean it). High 60-67.

Thursday: Mostly sunny. High 65-72.

Friday: Sunshine and a few clouds. High 67-74.

Saturday: Becoming cloudy with rain developing. The rain could be heavy, especially at night. High 64-71.

Sunday: Cloudy with rain likely, possibly heavy at times. If Matthew is close enough, it will also be very windy. High 60-67.