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Weather whiplash in Northeast will be 'quite a shock’

Temperatures are expected to dip 5-15 degrees this weekend.

AccuWeather Global Weather Center – October 2, 2019 – A change in the weather pattern will soon lead to progressively more vigorous bursts of cool air, while warm episodes will be less frequent and not as extreme as recent weeks in the northeastern United States. The pattern will end up being more typical of mid-October, rather than the middle of August, and can even lead to a touch of snow in the coldest spots.

A large area of high pressure at most levels of the atmosphere - a culprit behind the enduring summer weather - has extended from the western Atlantic to the south-central U.S. and been very dominant during much of September.

The pattern this year is much different than that of last year. Recall that many locations were excessively wet last September. This September has been just the opposite. The summery weather has been entrenched over the Southern states, but has surged northward at times in recent weeks.

On Tuesday, 25 different cities set daily record-high temperatures in the region, led Cincinnati, Ohio, and Huntingdon, West Virginia, which both reached 95 F. Altoona, Pennsylvania, had a previous daily high of 82 F but reached 90 F on Tuesday, also setting a record-high for the entire month of October in the process.

"At least three dozen major airport locations set or tied October high temperature records on Tuesday throughout the eastern U.S.," according to AccuWeather Meteorologist Jesse Ferrell. More record high temperatures fell on Wednesday from Washington, D.C. to Philadelphia and New York City, where temperatures surged into the 90s.

This high pressure area will get chopped down substantially late this week, rendering record-challenging highs a thing of the past from the Ohio Valley to the mid-Atlantic. See the Full Story >>


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