US: Summer Heat, Arctic Cold, Floods, Blizzards, Tornadoes All To End March, Begin April

It was a brisk, blustery but brilliantly bright start to Tuesday up and down the Eastern Seaboard this morning as an intense low exits into Atlantic Canada while high pressure builds in from the Upper Midwest.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Great sunrises in the eastern cities.

Credit: WeatherNation

Credit: WeatherNation

Credit: WeatherNation

Credit: WeatherNation

Credit: WeatherNation

Credit: WeatherNation

Credit: WeatherNation

Credit: WeatherNation

Despite the sunshine, winds were intense over Mount Washington this morning where a gust of 133 mph was recorded.

Credit: Mount Washington Observatory

Credit: Mount Washington Observatory

This built up the snowdrifts.

Credit: Mount Washington Observatory

Credit: Mount Washington Observatory

A fresh batch of heavy snow fell from Sierra to Wasatch within the last 36 hours.

Credit: Robert Womack

Credit: Robert Womack

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Today the focus is on the Intermountain West snowstorm which slides east tonight into Wednesday. With winds increasing on the rear as the low gains energy from the Gulf, blizzard conditions will break out over southeast Wyoming, western Nebraska and possibly Colorado.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

With the recent series of snowstorms, we’re seeing epic snowpack and ski conditions in the Colorado high country. Loveland Ski Area has just cracked the 300″ mark for the season.

Credit: WeatherNation

Credit: WeatherNation

Credit: Dana Perry

Credit: Dana Perry

With the low entering the Plains and by tomorrow and Great Lakes Thursday, so the eastern high slides off the East Coast and winds turning SW pumping warm air north.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Note the near 100 degree high for the Rio Grande Valley, ne Mexico, Yucatan and Cuba.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

In between the contrasting air masses, you have the battle zone where flash flooding, severe weather and tornadoes is likely.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: weather.com

Credit: weather.com

Credit: AccuWeather

Credit: AccuWeather

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

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Here’s the GFS meteogram for NYC.

Note temps climb towards 70 midweek then barely reaches freezing this weekend with lows near 20.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

More detail on the upcoming arctic blast tomorrow.

See this morning’s video.

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