unsettled Archives - Page 28 of 35 - New York Metro Weather

PM Update: Increasing clouds, becoming milder

December 2, 2013/0 Comments/by John Homenuk

Low clouds and fog were the main story early on Monday morning, with plenty of areas reporting low visibility. The cloudiness also kept temperatures a bit cooler to start. But by Monday afternoon, the low clouds had lifted and most areas were reporting sunshine. Temperatures warmed into the upper 40’s to near 50, which felt especially refreshing after several days of cold weather. The warmth will continue to slowly build this week.

However, with the building warmth will come a variable increase in cloudiness. With a weak storm system offshore, low clouds will increase again early from late Monday night into early Tuesday morning, with the potential for fog in the morning once again. Temperatures are expected to top out in the 50’s — but not until the late afternoon when the clouds burn off a bit.

NAM model showing high temperatures reaching near 50 degrees on Tuesday afternoon, with a storm system offshore.

Widespread impacts from midweek storm

November 26, 2013/0 Comments/by John Homenuk

A pre-thanksgiving storm system will create a travel nightmare from Tuesday Night through Wednesday, providing a myriad of threats up and down the east coast. Before we dive into the details of the storm system, what’s causing it to occur, and what you can expect in our area, we can lay out a few things we know as fact as of Tuesday morning. First, there will be significant travel delays on Wednesday. If you’re driving, flying, or using some other form of travel in the Mid-Atlantic or Northeast US, expect delays…likely significant. Second, Thanksgiving day itself won’t be all that bad. So once you make it where you need to be, the weather for actual Turkey Day looks to be fairly pleasant, albeit a bit cold. In our post below, we break down the storm system and what you can expect from it.

Visible satellite imagery from Tuesday morning, showing a significant storm system forming in the Southeast US.

What’s the deal, how is this storm forming?

Two pieces of energy in the jet stream across the Central and Eastern United States will phase on Wednesday, essentially very close to our forecast area. A low pressure area will develop from the Southeast States northeastward into New England. As it does so, warm air will stream up the Eastern Seaboard — as will significant amounts of precipitation in association with a strong low level jet and moisture transport. The low pressure system will then rapidly deepen as it moves to our north through New England and into Eastern Canada.

Warm weekend, severe weather to our west

November 16, 2013/1 Comment/by John Homenuk

Warmer weather settled into the area this morning behind a warm front, which moved northward as a result of a strong system over the Central United States. The warm weather comes on the heels of some of the coldest weather so far this season, which swept through the Northeast on Tuesday. The snow and cold seems like an afterthought at this point, with temperatures well into the 60’s and plenty of sun. But a progressive pattern in the mid and upper level of the atmosphere means the changes will continue.

For the remainder of Saturday, the main idea will be pleasant and dry. Temperatures will undoubtedly cool down with sunset (which is starting to come at an even earlier hour as we approach later November). But southwest winds, which will become increasingly apparent ahead of a cold front on Sunday, will keep the air much warmer than it has been over the past several nights. Lows will only fall into the 50’s in urban areas — and we’ll dodge a few scattered showers as well.

NAM model showing a significant mid and upper level disturbance moving through the Central US on Sunday.

Weekend warmup will feature unsettled weather

November 15, 2013/0 Comments/by John Homenuk

Much has been made of the cold and snowy weather this week, and rightfully so. Temperatures fell into the teens and 20’s on Wednesday night after snow on Tuesday, and high temperatures Wednesday afternoon barely scraped into the upper 30’s. Those temperatures are more typical for overnight lows this time of year. But there is another story line in the weather pattern, and it is one that will certainly keep appearing until there is a large scale change: the pattern is progressive. In the mid and upper levels, the pattern shows no signs of slowing down, meaning any airmass that settles into the area (no matter how anomalous) won’t meander around for long.

Not surprisingly, the very cold air which moved through the area early this week is well out of the picture. Temperatures will warm into the upper 50’s on Friday and the warming trend will continue through the weekend. Along with the warmup, unfortunately, will come some unsettled weather. As a mid level ridge builds over the Central and Eastern US, multiple disturbances will ride eastward through the Mid Atlantic states. The result, in terms of sensible weather, will be increased potential for clouds and showers on both Saturday and Sunday — but not a washout.

NAM model showing multiple disturbances moving into the Mid Atlantic states this weekend. Image courtesy weatherbell.

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