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Arctic sea ice is low, with the Bering Sea’s ice extent “the lowest recorded since at least 1979,” according to the National Snow and Ice Data Center (NSIDC). This reflects a larger overall trend: in April, Arctic sea ice covered an area 378,400 square miles below the 1981 to 2010 average.
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April 2018 was the third warmest April on record, according to four independent analyses.It was also the 400th month in a row the planet has had above-average temperatures....
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A catastrophic wildfire season has persisted for weeks in Siberia and Russia's Far East, during which hundreds of thousands of acres have been destroyed, and the flames have even invaded some inhabited areas...
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The iceberg nursery near Alaska is failing as warming temperatures have made it harder to churn out sea ice year after year, the federal government warned Wednesday.
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Sea ice grows throughout the fall and winter, and melts throughout the spring and summer. But not all Arctic sea ice melts; some portion of the ice survives at least one melt season, persisting throughout the summer months.
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Last month was the 13th-coolest April in 124 years of recordkeeping for the contiguous U.S., according to the monthly climate roundup released on Tuesday by NOAA. Canada likely experienced one of its coldest Aprils on record, although the verdict is not yet available from Environment Canada.
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Climate science at a glance
For the fourth consecutive year, tropical storm activity began early in the Atlantic in 2018, with the formation of Tropical Storm Alberto on May 25.
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In four of the past five winters, the North Pole has witnessed dramatic temperatures spikes, which previously were rare. Now, in the lead up to summer, the temperature has again shot up to unusually high levels at the tip of the planet.
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Utah has traditionally been safe from Lyme and many other insect-borne diseases, thanks to its long, cold winters — but appears to be changing.
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Climate science at a glance
The fingerprint of anthropogenic warming has been formally identified in heat extremes over the western U.S.[1]
In the US, western regions set the most records for the n
