US: An Extreme Start To April

Written by on April 1, 2016 in Spring 2016, United States of America with 0 Comments

We have a large and powerful storm system continuing it eastward journey through the Lakes and eventually up into Canada. It’s brought all weather types with heavy snow and blizzard conditions across parts of Wyoming, Nebraska and into Colorado, summer-like warmth up the East Coast while there’s been devastating tornadoes over parts of Oklahoma and the South.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Note in the below visible and water vapour images how there’s cold dry air flowing in from the northwest while warm, moist air flows up from Mexico and the Caribbean, merging over the Midwest where there’s been severe weather and flash flooding.

vis-animated

wv-animated

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Here’s a scene from the system’s cold side.

Credit: WeatherNation

Credit: WeatherNation

Ahead of the system.

Sun & 70s for NYC and I-95 yesterday, some 80s today!

Credit: Bill Evans

Credit: Bill Evans

Credit: WeatherBug

Credit: WeatherBug

In between…

Credit: AP/Larry Papke

Credit: AP/Larry Papke

Credit: @mark_tarello

Credit: @mark_tarello

Credit: WeatherNation

Credit: WeatherNation

A clipper system dives ESE across the Great Lakes and Northeast this weekend and looks likely to lay down a significant 3-6, locally 12 inch swath.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

In the Northeast, the warmth prevails for now thanks to a strong southwest flow.

Credit: WeatherBug

Credit: WeatherBug

This warmth was accompanied by stiff, gusty winds.

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DC reached 83 degrees this afternoon. Warmest of the year for them.

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ECMWF forecasted temps this afternoon.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Clipper 1

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Clipper/system 2

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

A huge drop in maximum temperature between today and Sunday.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Check out the vast thermal gradient between DC and Boston Monday as the second system pushes through.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

There’s 3 waves of cold which follow each system over the next 5-7 days with each one colder than the last.

More tomorrow.

See today’s video.

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