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Department of Atmospheric Sciences

News | July 1, 2019

‘Regional climate modeling’ provides clearer picture of climate change impacts in PNW

KNKX weather expert and UW professor of Atmospheric Sciences Cliff Mass has been working with a group of researchers within the Department of Atmospheric Sciences hoping to get a better idea of the impact climate change will have on the Pacific Northwest. The group has been conducting “regional climate modeling.” “Many people know about global…


Course | ATM S 212

Air Pollution: From Urban Smog to the Ozone Hole


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Cliff Mass

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Dan Jaffe

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News | June 13, 2018

Forest loss in one part of US can harm trees on the opposite coast

Large swaths of U.S. forests are vulnerable to drought, forest fires and disease. Many local impacts of forest loss are well known: drier soils, stronger winds, increased erosion, loss of shade and habitat. But if a whole forest disappears, new research shows, this has ricocheting effects in the atmosphere that can affect vegetation on the…


News | September 2, 2016

Landscaping for Drought Could Make Warm Nights Cooler

As drought-stricken residents of Los Angeles’s hottest neighborhoods replace thirsty lawns with native plants, pavers and bare soil, new research has shown how their local climates could begin tipping back in the direction of their desert-like origins. Nighttime lows help people recover daily even as heat waves persist. In a region beset this year by…


News | June 24, 2019

Seattle upgrades A/C at some community centers ahead of predicted wildfires

It wasn’t a picture postcard August last year in Seattle. Seattle icons, the Space Needle, ferries crossing the water, the Great Wheel spinning colorfully on the waterfront were barely visible because of smoke from Canadian wildfires. The Emerald City saw 24 days of moderately unhealthy levels of particulates in the air during the summer because…


News | September 29, 2016

September Recap – News, Big Data, and Monthly Hightlights

September is nearly gone, but this was not a very sleepy month. The University of Washington has started the new school year and the past month has seen some tremendous developments for urban thinking and the City of Seattle. KQED published a piece about urban heat islands and how changes in landcover from hard-scapes and…


News | July 11, 2019

Smoke from Alaska fires has reached the Northwest

Seattle is experiencing smoke from an estimated 120 wildfires burning in interior and south-central Alaska, as the 49th State goes through a late spring-early summer heat wave, according to University of Washington atmospheric sciences professor Cliff Mass. “Although there are no wildfires in the Pacific Northwest right now, there are many large fires burning over Alaska producing lots…


News | April 10, 2019

UW wins top team, individual prizes in national forecasting contest, now enters tournament round

The University of Washington has won a national competition in which colleges vie to deliver the most accurate daily forecast for cities across the country. A UW student also developed a machine-learning model that for the first time delivered a more accurate forecast than any human competitor. In results announced this week, the UW team…