Hundreds of daily low temperature records were set this week in the eastern two-thirds of the nation and, at several sites, the all-time low temperature for the month of November was recorded. Monthly records that have been set for November are quite impressive indeed as they’ll typically take place in the last week or so of a given month during this time of year. Computer forecast models have been somewhat mixed recently in their temperature anomaly predictions for the US during the remainder of November, but it appears to me that the colder-than-normal pattern will continue right to the end of November for much of the eastern two-thirds of the nation.
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After an unseasonably cold day on Wednesday, temperatures will moderate some today, but remain well below-normal for the middle of November. Temperatures yesterday were generally confined to the lower 40’s for highs after an incredibly cold start to the day and they’ll likely make it to the upper 40’s later today. Strong low pressure will form over the western Atlantic Ocean over the weekend, but it appears its impact will be east of here first over the Florida Peninsula and then up along the Southeast/Mid-Atlantic coastlines.
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Dozens and dozens of daily low temperature records were set this morning in the eastern third of the nation and, in some cases, the all-time low temperature for the month of November was recorded. Monthly low temperature records are quite impressive since we haven’t even reached mid-month and most of these type of records would typically take place in the last week or so of the given month. In some spots, today’s record low isn’t the only one to take place in this cold pattern. For example, Central Park’s record low for today followed a record low set before midnight for yesterday and they broke a record on last Friday – the 3rd record low set in just the past several days.
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After an unseasonably cold day on Tuesday, temperatures will moderate some later today after a very cold start, but will remain well below-normal for the middle of November. Temperatures yesterday were generally confined to the low and middle 30’s, but should be able to climb to the mid-to-upper 40’s later this afternoon. Low pressure will form over the Gulf of Mexico at the end of the week, but it appears its impact will be east of here over the Florida Peninsula and then up along the east coast.
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The strong cold front representing the leading edge of a widespread Arctic air mass passed through the DC-to-Philly-to-NYC corridor early this morning and temperatures have fallen into the 30’s from early day highs. Precipitation is being enhanced in the cold air behind the front as a strong jet streak aloft generates upward motion in the I-95 corridor. As a result, a changeover to snow is likely during the mid-day and early afternoon hours in the immediate DC-to-Philly-to-NYC corridor and this changeover to snow is likely all the way to coastal New Jersey and Delmarva. Some spots could receive small snow accumulations and as temperatures drop to near freezing later in the day, watch for the possibility of “black ice” on some roadways. Precipitation winds down later today and the cold will become the main story with record low temperatures in numerous Mid-Atlantic/NE US locations by early tomorrow. Widespread records were set earlier today from Texas to the Great Lakes with some stations recording their lowest temperature ever for the month of November and we are not even at the halfway point.
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The passage of an Arctic cold frontal system has ushered in an unusually cold air mass for this time of year and temperatures by early tomorrow should be near the 20 degree mark in the region. Skies will clear today, but the winds will become quite strong and temperatures will be confined to the middle 30’s for afternoon highs. The unusual chill will stick around at mid-week, but some moderation is coming later in the week.
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An Arctic cold frontal system will usher in another unusually cold air mass for this time of year and temperatures by early Wednesday should be near the 20 degree mark in general – way below normal for mid-November – and perhaps even in the upper teens in some locations. Rain showers should precede the arrival of the strong cold front and there is a chance that some flakes mix in as the colder air filters into the area. The unusual chill will stick around at mid-week, but some moderation is coming later in the week.
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The first seven days of November have averaged more than 2.6ºC colder-than-normal across the nation and there is another very impressive cold air outbreak on the way for the eastern two-thirds. The first blast of much colder-than-normal air arrived in the Mid-Atlantic/NE US in the overnight hours and tonight will be the coldest so far this season. The next shot of Arctic air is already building up in Canada and it will reach the Northern Plains/Upper Midwest later in the weekend, cross the Great Lakes on Monday, and then into the Mid-Atlantic/NE US on Tuesday. This blast of Arctic air will not only spread out across a larger portion of the country compared to the initial shot, but it will be even colder. In fact, numerous daily low temperature records are likely to be set next week across the eastern two-thirds of the nation and there will likely be many sites recording their lowest temperatures ever for so early in the season.
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An Arctic cold frontal system crossed the region yesterday and ushered in much cooler-than-normal air for the Tennessee Valley which is well below-normal for this time of year. Temperatures late tonight could bottom out in the upper 20’s which would be the coldest so far this season. Another cold blast will push into the central and eastern US early next week and this promises to be even colder than the current air mass.
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An Arctic cold frontal system will cross the Plains today and help to generate showers in the local region and maybe an embedded thunderstorms. Showers can continue into the evening hours, but then clearing should take place, winds will pick up noticeably and it’ll turn much colder. The winds will continue on Friday and it’ll remain quite cold for this time of year with highs generally confined to the 40’s. Another cold blast will push into the central and eastern Us during the early part of next week.
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