Images related to Warm Arctic, Chilly Mid-Latitudes

Arctic Oscillation Chills North America, Warms Arctic
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Arctic Oscillation Chills North America, Warms Arctic

This color-coded map shows temperature anomalies for the United States, Canada, eastern Siberia, and Greenland for January 9 to 16, 2011.

Published Jan 26, 2011

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Winter Temperatures and the Arctic Oscillation
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Winter Temperatures and the Arctic Oscillation

Much of the Northern Hemisphere experienced cold land surface temperatures in December 2009, but the Arctic was exceptionally warm.

Published Jan 9, 2010

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Chilly November in North America
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Chilly November in North America

It was cold across the eastern part of North America, but the opposite was true in other parts of the world.

Published Dec 6, 2018

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Arctic Oscillation Chills US and Europe
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Arctic Oscillation Chills US and Europe

This map of the land surface temperature shows that the first week of December was exceptionally cold in northern Europe and the eastern United States.

Published Dec 17, 2010

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Going Hot and Cold in February
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Going Hot and Cold in February

People in eastern North America shivered through February 2015, while those in the western part of the continent experienced unusually warm weather.

Published Mar 10, 2015

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Unusual July Temperatures
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Unusual July Temperatures

If you live in the northern hemisphere, the past few weeks have been strange. In places where it should be seasonably hot, it’s just warm. In places where weather is usually mild in the summer, it has been ridiculously hot.

Published Aug 8, 2014

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Opposites Attract
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Opposites Attract

In December 2013, the same kink in the jet stream brought frigid cold to the continental U.S. and record heat to Alaska.

Published Dec 14, 2013

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An Unusually Warm February in the United Kingdom
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An Unusually Warm February in the United Kingdom

England, Scotland, and Wales all recorded their warmest winter day ever in February 2019.

Published Mar 5, 2019

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What Goes Around Comes Around
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What Goes Around Comes Around

While North Americans contended with a blast of Arctic air, Europeans found themselves wondering where winter went.

Published Jan 10, 2014

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Historic Heat in North America Turns Winter to Summer
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Historic Heat in North America Turns Winter to Summer

Unseasonably warm temperatures broke records across the United States.

Published Mar 21, 2012

Image of the Day Heat Land Temperature Extremes

Arctic Weather Plunges into North America
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Arctic Weather Plunges into North America

The culprit is a familiar one: the polar vortex.

Published Jan 29, 2019

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It’s Cold—And Hot—in North America
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It’s Cold—And Hot—in North America

Large waves in the atmosphere mean that a cold snap in one area is often accompanied by unusual warmth in another.

Published Jan 3, 2018

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Europe and Pacific Northwest Face Record Heat
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Europe and Pacific Northwest Face Record Heat

High-pressure ridges over the oceans drive warm-weather systems over the continents.

Published Jul 12, 2015

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Diagnosing the Snow Deficit of December
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Diagnosing the Snow Deficit of December

The Arctic Oscillation, La Niña, and North Atlantic Oscillation combine to steer winter's cold, snowy weather away from the United States.

Published Feb 8, 2012

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Stratosphere Influences Winter Weather
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Stratosphere Influences Winter Weather

Winter turned fierce in the opening weeks of 2009, and part of the reason for the cold snaps and winter storms came from big changes in the atmosphere about 20 kilometers above the Earth.

Published Feb 7, 2009

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Baked Alaska
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Baked Alaska

The small town of Eagle was hotter on May 23 than it has been on any day in Houston or Dallas this year.

Published May 27, 2015

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Cloud patterns in the Bering Sea
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Cloud patterns in the Bering Sea

Vortex wind patterns swirling over sea ice in the Bering Sea in mid-January 2006 have created stunning cloud street patterns.

Published Jan 25, 2006

Water Unique Imagery Snow and Ice

A Second Scorching Heatwave in Europe
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A Second Scorching Heatwave in Europe

One month after experiencing record-breaking temperatures, Europe again is sweltering under a heatwave. And this one is more intense.

Published Jul 26, 2019

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October Scorches Records in the Northeast
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October Scorches Records in the Northeast

Weather records fell across the northeastern United States and Canada’s Ontario and Maritime provinces.

Published Nov 16, 2017

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Heat and Fire Scorches Siberia
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Heat and Fire Scorches Siberia

Fires are raging in eastern Siberia in the midst of an unusually long-lived heat wave.

Published Jun 23, 2020

Image of the Day Atmosphere Heat Land Drought Fires Remote Sensing Temperature Extremes

Wild Winter Temperature Swings
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Wild Winter Temperature Swings

The bitter cold that gripped the eastern half of the United States has been replaced by record-warmth.

Published Feb 6, 2019

Atmosphere Heat Land Severe Storms Human Presence

Record Hot April in Australia
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Record Hot April in Australia

Published May 12, 2005

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