March 16, 2020

Cool conditions in Alaska and northern Canada related to a strong polar vortex were not enough to outweigh the extreme warmth across Europe and Asia in February 2020. Both the Northern Hemisphere and the globe as a whole had their second-warmest February on record.  

smoke from Australia fires in satellite image
January 3, 2020

Terrible wildfires raged through parts of southeastern Australia in the first days of 2020. 

October 9, 2019

Much of the southeastern United States went from little drought to widespread severe drought in a matter of a few weeks thanks to little rain and hot and sunny days. 

October 17, 2019

If you missed our August 29 tweet chat, here's the transcript. Read what the fire and smoke experts had to say about the FIREX-AQ field campaign and its mission to study what's in the smoke from wildfires and agricultural burning. 

Western Greenland on August 1, 2019
August 14, 2019

The July 2019 heatwave exited Europe aimed in an unusual direction. It headed northwest and began melting the Greenland Ice Sheet.

Women standing in front of a car that has a temperature sensor clipped to the passenger window
July 24, 2019

With specially designed sensors mounted on their own cars, volunteers in each city will drive pre-planned routes, recording heat and humidity as they go. Scientists will stitch their results into a detailed map showing the hottest parts of each city. 

Queens heat wave
August 28, 2019

On Friday, July 19, four heat health experts answered questions in an extreme heat tweet chat hosted by Climate.gov. We've posted a transcript of their responses. 

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