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Snow Cover May Help Usher in Historic Cold to Northwest

Snow Cover May Help Usher in Historic Cold to Northwest

As a Thanksgiving-eve storm, which snarled air and road traffic up and down the East Coast on Wednesday, comes to a close, it’s leaving the country with the largest snowpack for this time of year since at least 2003. This snow cover is likely to play a big role in helping to usher in a wave of potentially historically cold air during the week after… Read More

Foliage Season Under Fire from Climate Change

Foliage Season Under Fire from Climate Change

Clocks aren’t the only things falling back at this time of year. The start to foliage season is also on the move, with the season starting later and later in the U.S. since 1982. Other threats from climate change could also cost states that rely on the billions from leaf peepers in lost tourism revenues and have ecological impacts that extend well … Read More

Massive Flooding, Hot & Wet Summer, Melting Arctic Ice

Massive Flooding, Hot & Wet Summer, Melting Arctic Ice

Epic flooding caught on camera, extreme heat, melting Arctic ice and fracking wrap up the week in photos, and a busy plate for climate in the news.… Read More

Flood-Ravaged Boulder, Colo., Sets Annual Rainfall Record

Flood-Ravaged Boulder, Colo., Sets Annual Rainfall Record

With 30.12 inches of rain and counting, more than half of which fell since Sept. 9, the city has already eclipsed its previous annual record of 29.93 inches, which was set in 1995. The average yearly precipitation (rain and melted frozen precipitation) in Boulder is 20.68 inches. The annual precipitation record is especially noteworthy since befor… Read More

Colorado’s ‘Biblical’ Flood in Line with Climate Trends

Colorado’s ‘Biblical’ Flood in Line with Climate Trends

It will take climate scientists many months to complete studies into whether manmade global warming made the Boulder flood more likely to occur, but the amount by which this event has exceeded past events suggests that manmade warming may have played some role by making the event worse than it would have otherwise been.… Read More

Wildfire Alert Heightened as Blazes Char Western U.S.

Wildfire Alert Heightened as Blazes Char Western U.S.

With 51 large wildfires currently burning across the U.S., the nation’s firefighters have been placed on a war footing — known as “National Preparedness Level 5.” This is the first time this step has been taken since 2008, according to Wildfire Today, and it reflects the combination of high fire activity, the large amounts of firefighting resources… Read More

The Climate Context Behind the Deadly Arizona Wildfire

The Climate Context Behind the Deadly Arizona Wildfire

The Yarnell Hill fire, like other wildfires in the West right now, is taking place in the context of one of the most extreme heat waves on record in the region, as well as a long-running drought that may have some ties to manmade global warming.… Read More

Deadly Heat Continues in West; Wildfire Danger High

Deadly Heat Continues in West; Wildfire Danger High

The heat wave is the result of a massive dome of high pressure that has rerouted the jet stream from the Pacific Ocean northward into Canada, preventing storms and cooler air from surging south, and locking the already drought-stricken West into an extended bout of sizzling temperatures.… Read More