The University of Arizona

snow

Warm Winters Costing Winter Tourism Industry Millions

Date Posted: 
December 14, 2012
Publisher: 
NRDC/Protect Our Winters

From November 1999 to April 2010, the downhill ski resort industry lost an estimated $1.07 billion in revenue between high and low snow fall years, according to a new report by two nonprofit groups, the National Resources

Decreased Snowpack Will Impact Western U.S.

Date Posted: 
November 16, 2012
Publisher: 
Nature

Snow-dependent regions in the Northern Hemisphere, including the western U.S., are predicted to experience increased stress from low snow years within the next 30 years, according to a recent report in Nature.

Wildfires Growing in the West

Date Posted: 
September 23, 2012
Publisher: 
Climate Central

Wildfires in the western U.S. now burn about twice as much land area as they did in the 1970s, and the burn season lasts about two and a half months longer, according to a new report by Climate Central.

Mid-Elevation Forests Particularly Vulnerable to Climate Change

Date Posted: 
September 13, 2012
Publisher: 
Nature Geoscience

Mid-level forests in the western U.S.—at about 6,500 to 8,000 feet—will be particularly sensitive to higher temperatures due to climate change, according to a new study published in Nature Geoscience.

Snowfall Declines in Utah

Date Posted: 
July 19, 2012
Publisher: 
Journal of Climate

The proportion of precipitation that falls as snow in Utah from January through March has decreased by 9 percent over the past 50 years due to rising temperatures, according to a recent study published in the Journal of Climate.

Cinnamon Snow: Flecks of Dust Alter Western Water Supplies

Posted by Zack Guido | on May 03, 2012
Fierce winds whipped across the Colorado Plateau on March 18, raking plumes of dust into the air. Hundreds of miles to the northeast, the winds scoured the San Juan Mountains at 60 miles per hour, scattering flecks of red and brown earth across the white snow. Farther north, in Boulder, Colo., air quality plummeted.

Arid Ecosystems May Be More Resilient to Warming

Date Posted: 
April 13, 2012
Publisher: 
BioScience

After analyzing records at 35 headwater basins in the U.S. and Canada, scientists at the Long Term Ecological Research Network find that as temperatures increase in these snowpack regions, a large amount of stream water is lost due to evaporation.

March Warmest on Record

Date Posted: 
April 13, 2012
Publisher: 
NOAA/CLIMAS

March was 8.6 degrees F warmer than average across the contiguous U.S., making it the warmest March on record with over 15,000 high temperature records broken, according to NOAA. Only one other month has seen a larger departure from its average, January 2006.

Early Snowmelt Decreases Butterfly Population

Date Posted: 
March 22, 2012
Publisher: 
Ecology Letters

New research published in Ecology Letters shows that a single climate parameter, the timing of spring snowmelt, has many different effects on the population growth of the Mormon Fritillar

La Niña Fades But Dry Conditions Persist

Date Posted: 
March 9, 2012
Publisher: 
NOAA/CLIMAS

Dry conditions continued through February in the Southwest—Phoenix tied its driest year-to-date on record—with only small portions of Colorado seeing precipitation above normal, according to the newest State of the Climate from NOAA.