Forecasters predict a 60 chance of an above-normal season, a 30 chance of a near-normal season, and a 10 chance of a below-normal season. That brings us to Christmas: There are three ways to look at the possibilities of a white Christmas. NOAA’s Climate Prediction Center is predicting another above-normal Atlantic hurricane season. But this year, there’s a switch and the period between Thanksgiving and News Years’ Day will average out to be the coldest.Ĭold air means dry air which means that there are not a lot of chances for precipitation. December: There is strong research being. We would normally say that January is the coldest winter month. When we plug that and other information into our computers we find many similar years. In fact, the coldest month of the winter very well may be December. We’ve already seen a couple of fast pattern flips this month so the pattern is already starting to show its cards: December looks cold. There is strong research being done that relates a cold month of May, an active hurricane season, to the severity of winter cold. How much snow is expected How cold will it get And what factors may change everything Plus, learn about Pacific Decadal Oscillation, stratospheric warming and why our region is considered a. When we plug that and other information into our computers we find many similar years. In NOAA’s 2021 Winter Outlook which extends from December 2021 through February 2022. as La Nina climate conditions have emerged for the second winter in a row according to NOAA’s Climate Prediction Center a division of the National Weather Service. Hurricane Schwartz Abandons the Philadelphia Winter Forecast Q&A End of an Era: Hurricane Schwartz Abandons Long-Range Winter Forecasts After 23 Years The meteorologist who brought. Has that ever happened before? The short answer is, yes. Above-average temperatures are favored across the South and most of the eastern U.S. So, there are two La Nina winters in a row. It’s the same scenario that we had last year. The snowiest winter The hottest summer The strongest tornado Signs of global warming Why cant computers give reliable two-week forecasts The answers are. The sea surface temperatures in the Pacific this year point to another La Nina winter on the way. They play a huge role in changing the steering currents in the air, called the jet stream, and how that river of air moves in different ways. ET Winter outlooks AccuWeather: 20 to 26 inches of snow for Philly Climate Prediction Center: Above-normal temperatures WeatherBell Analytics: Cold December, average winter The first hard freeze is probably five weeks away, and the raking has barely begun. Over the past few decades, we have been tracking sea surface temperatures.
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