The University of Arizona

precipitation

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.

CA Irrigation Increases Colorado River Streamflow

Date Posted: 
January 25, 2013
Publisher: 
Geophysical Research Letters

Irrigation in the Central Valley of California may increase Colorado River streamflow by nearly 30 percent, according to a new study accepted for publication in Geophysical Research Letters.

Parts of SW Will Get Warmer, Drier

Date Posted: 
January 10, 2013
Publisher: 
NOAA NESDIS

Temperatures in the Southwest U.S. are predicted to increase, with the greatest warming (3.5-6.5 degrees F) in the summer season and a localized maximum in central Utah, according to a new technical report produced as part of a series of regional climate descriptions by the NOAA National Environmental Satellite, Data, and Information Service prepared as input for the U.S.

2012 Breaks Temperature Records in Contiguous U.S.

Date Posted: 
January 10, 2013
Publisher: 
NOAA

The contiguous U.S. experienced its warmest year on record last year, with the average annual temperature 3.2 degrees F above average and—at 55.3 degrees F—a full degree warmer than the previous record set in 1998, according to the annual State of the Climate report from NOAA.

October Ends U.S. Warm Streak—Except in Southwest

Date Posted: 
November 16, 2012
Publisher: 
NOAA

The Southwest continued to experience above-average temperatures in October, with many cities, including Phoenix, Albuquerque and Reno, experiencing October temperatures among the top ten warmest on record, according to the latest State of the Climate report from NOAA.

Desert Plants May Benefit from Climate Change

Date Posted: 
October 12, 2012
Publisher: 
Philosophical Transactions of the Royal Society B

Desert plants may be more resilient to climate change than previously thought, according to a new study published by Philosophical Transactions of the Royal Society B.

Warm, Dry Conditions Persist Across Much of the SW

Date Posted: 
September 13, 2012
Publisher: 
NOAA

Temperatures across the U.S. were 1.6 degrees F above average in August, according to the latest State of the Climate from NOAA. Every state in the Southwest except Texas saw temperatures among their ten warmest, with Nevada tying its previous warmest August on record set in 1934.

Extreme Precipitation Events More Common Today

Date Posted: 
August 11, 2012
Publisher: 
Environment California

Current widespread drought conditions notwithstanding, authors of a new study  by the Environment California Research and Policy Center found that extreme precipitation events—including both rainstorms and snowstor

July Was Warmest Month Ever Recorded

Date Posted: 
August 11, 2012
Publisher: 
NOAA

The contiguous U.S. experienced its warmest July on the record, and July was the all-time warmest month, with temperatures 3.3 degrees F above average, according to the newest State of the Climate from NOAA.