The University of Arizona

precipitation

Warmer Springs Decreasing Rocky Mountain Snowpack

Date Posted: 
May 17, 2013
Publisher: 
Geophysical Research Letters

Warming during February and March since the 1980s has driven declines in snowpack in the Rocky Mountains of western North America, according to a recent study published in Geophysical Research Letters.

Assessment Outlines Future Climate Changes, Impacts in SW

Date Posted: 
May 3, 2013
Publisher: 
Island Press

The Southwest U.S. will continue to get warmer over the 21st century, with fewer cold waves and longer, hotter heat waves, according to an expansive new book published by Island Press.

Streamflow Forecasts Grim for AZ, NM

Date Posted: 
April 25, 2013
Publisher: 
CLIMAS

Conditions over the past month have once again been dry and warm in Arizona and New Mexico, according to the April Southwest Climate Outlook from CLIMAS. Temperatures have been 1 to 5 degrees F above average, and precipitation has been less than 70 percent of average in much of both states.

Warm, Dry Conditions to Continue in AZ, NM

Date Posted: 
April 3, 2013
Publisher: 
CLIMAS

Recent conditions have been warm and dry in Arizona and New Mexico, and more of the same is predicted through June, according to the latest Southwest Climate Outlook from CLIMAS.

Precipitation Cycle Enhanced in Recent Years

Date Posted: 
March 14, 2013
Publisher: 
Nature Geoscience

The annual range of precipitation has increased across the globe, mostly due to the fact that wet seasons have become wetter, according to a new study published in Nature Geoscience.

Saharan Dust Influences Sierra Nevada Precipitation

Date Posted: 
March 7, 2013
Publisher: 
Science

Dust from the Sahara desert and Asia influences precipitation in the Sierra Nevada of California, precipitation that the region counts on for its water supply, according to a new study published in Science.

Winter Storms Bring Much-Needed Precipitation to AZ

Date Posted: 
February 28, 2013
Publisher: 
CLIMAS

It was a tale of two states over the past 30 days, with cold, wet conditions in most of Arizona and warm, dry conditions in most of New Mexico, according to the February Southwest Climate Outlook from CLIMAS.

January Was Cold, Wet in the SW

Date Posted: 
February 22, 2013
Publisher: 
NOAA

Although January temperatures as a whole were well above average for the contiguous U.S., the Southwest experienced colder-than-average temperatures, with Utah and Nevada experiencing their eighth and ninth coolest January on record, respectively, according to the latest State of the Climate report from NOAA.

Intensifying Precipitation Extremes Documented

Date Posted: 
February 8, 2013
Publisher: 
Journal of Climate

Extreme precipitation events have been increasing in strength over the past century due to increasing temperatures, according to a new report published in the Journal of Climate.

Warming May Delay Monsoon

Date Posted: 
January 31, 2013
Publisher: 
Journal of Geophysical Research-Atmospheres

As the climate continues to warm, North American Monsoon precipitation will likely decrease in the early season (June-July) and increase in the late season (September-October), according to a new publication accepted to the Journal of Geophysical Research.