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Securing Arizona's Water Future

Drought Status

View Arizona's drought status

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Short-term Drought Status Summary  

Note: The map to the left updates automatically on a weekly basis.

The following drought status summary for July 2014 reflects the changes as of the July 29, 2014 Drought Monitor.

Although many areas have received above average rainfall this monsoon, precipitation has been highly localized so far. July precipitation brought some improvement to the southern and eastern parts of the state, where parts of Pima and Cochise counties, southern Apache County and northern Greenlee County improved from severe to moderate drought.

Further improvement is anticipated, as August is typically our wettest month in central and southern Arizona.

This report was produced by the Arizona Drought Monitoring Technical Committee, August 8, 2014. The Monitoring Technical Committee confers weekly to advise the U.S. Drought Monitor authors on the current conditions in Arizona. The U.S. Drought Monitor is the official record of drought for Federal drought relief claims. At the end of each month, the Monitoring Technical Committee produces the short-term drought status summary above, based on U.S. Drought Monitor maps for the past four weeks.

 

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Arizona Drought Monitoring Technical Committee

The Monitoring Technical Committee is responsible for gathering data about Arizona drought, climate, and weather; producing drought status reports; and disseminating that information to land managers, policy-makers, and the public.

Co Chairs:

Nancy Selover, Arizona State University, http://azclimate.asu.edu/

Gary Woodall, National Weather Service, http://www.wrh.noaa.gov/psr/

 

Mike Crimmins, University of Arizona Cooperative Extension, http://cals.arizona.edu/climate 

Charlie Ester, Salt River Project, http://www.srpnet.com 

Dino DeSimone, Natural Resources Conservation Service, http://www.az.nrcs.usda.gov/snow/ 

Gregg Garfin, University of Arizona - Institute for the Study of Planet Earth
http://www.ispe.arizona.edu/climas/ 

Paul Culberson, Arizona Division of Emergency Management

http://www.dem.azdema.gov/ 

Chris Smith, U.S. Geological Survey, http://az.water.usgs.gov/drought

Long-term Drought Status Update: April - June 2014

Spring was typically dry across the state, and all watersheds except the lower Colorado River saw no change in their long-term drought status. The lower Colorado River watershed dropped from no drought to abnormally dry.

Even though dry conditions are normal for spring, the deficits are mounting. BLM observations include dirt tanks going dry earlier than usual, a decrease in perennial grasses not related to grazing, and die back of creosote bush and ironweed trees in the southeastern part of the state. State parks report low lake levels at Lyman Lake, Fool Hollow, Patagonia Lake and Alamo Lake.  

Further degradation is likely unless the monsoon precipitation meets or exceeds the long term average.

The next update in early November will reflect the monsoon conditions of July, August and September.

Posted August 8, 2014

 

 

The Monitoring Technical Committee meets quarterly to discuss drought conditions throughout the state and produce the long-term drought status map.  Long- term drought status for each watershed is determined by comparing the precipitation and streamflow percentiles for the past 24, 36 and 48 months to a 40-year historical record.

 

 

Method for Determining Long-term Drought Status

Method for Determining Drought Categories


When Adjacent Watersheds Differ by Two or More Categories

 

 

 

PAST DROUGHT STATUS REPORTS

 

Click here if you would like to receive monthly drought status reports by email.