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Global warming in the Southwest: An overview (PDF, 185KB)
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Note: This work is published by the Climate Assessment for the Southwest (CLIMAS) project and the University of Arizona Cooperative Extension; and is funded by CLIMAS, Institute for the Study of Planet Earth, and the Technology and Research Initiative Fund of the University of Arizona Water Sustainability Program through the SAHRA NSF Science and Technology Center at the University of Arizona.
This packet contains official and non-official forecasts, as well as other information. While we make every effort to verify this information, please understand that we do not warrant the accuracy of any of these materials. The user assumes the entire risk related to the use of this data. CLIMAS, UA Cooperative Extension, SAHRA, and WSP disclaim any and all warranties, whether expressed or implied, including (without limitation) any implied warranties of merchantability or fitness for a particular purpose. In no event will CLIMAS, UA Cooperative Extention, SAHRA, WSP, or The University of Arizona be liable to you or to any third party for any direct, indirect, incidental, consequential, special or exemplary damages or lost profit resulting from any use or misuse of this data. Read full disclaimer
Ben Crawford, CLIMAS Research Associate
Mike Crimmins, UA Extension Agent
Stephanie Doster, ISPE Information Specialist
Kristen Nelson, ISPE Associate Editor
Melanie Lenart, CLIMAS Research Associate
Casey Thornbrugh, CLIMAS Graduate Research Associate
Forecasts and Outlooks > Archive
Southwest
Climate Outlook - April 2007
Date issued: April 24, 2007
A. Summary
The April 24, 2007 outlook is also available in a single, downloadable, printer-friendly file. [April 2007 PDF, 2.38 MB]
Requires Adobe Acrobat Reader. |
Drought – Drought conditions have worsened slightly in Arizona due to below-average winter precipitation, while most of New Mexico remains drought-free.
Temperature – Temperatures have been above average in most of the Southwest over the past thirty days.
Precipitation – During the past month precipitation has been below average for much of Arizona and New Mexico.
Climate Forecasts – Through September 2007, temperatures are expected to be warmer than average in the Southwest, while chances are equal for below-average, average, or above-average precipitation.
El Niño – Current sea surface temperatures indicate neutral ENSO conditions and there is a chance of La Niña event developing later this summer.
The Bottom Line – As the Southwest prepares to enter the climatologically dry spring, most of New Mexico has received above-average winter precipitation, while winter’s El Niño event failed to deliver above-average precipitation to most of Arizona.
Southwest Wildfire Season Outlook
April marks the return of the Southwest Fire Summary and Wildland Fire Outlook pages to the Southwest Climate Outlook. April is typically the start of the fire season in the Southwest, and these pages provide year-to-date fire information through maps, tables, and monthly fire potential forecasts, including information on fire fuel status. Though still below average for many areas, winter and spring precipitation has helped suppress wildfires, and the number of fires is down relative to this time last year. As of April 9, 402 fires have burned 25,451 acres in Arizona and New Mexico. As of April 23, 2006, 940 fires had burned 250,833 acres in Arizona and New Mexico. Fire and climate experts will meet April 24–26 in Boulder, Colorado, at the National Seasonal Assessment Workshop (organized by CLIMAS), to assess fire potential and produce a national fire potential forecast. | This month's cover photo
A male desert tortoise makes his spring 2007 debut in Tucson. Emerging from his burrow in mid-March, he paused for a stiff drink, courtesy of a brief sprinkler shower . Source: Stephanie Doster, Institute for the Study of Planet Earth |
| B. Recent Conditions > |