The University of Arizona Department of Hydrology and Atmospheric Sciences
In Fall of 2016, the Department of Atmospheric Sciences and the Department of Hydrology and Water Resources merged to form a new department. While some content is still being served on this website, such as weather data and certain courses with "atmo" prefix, most departmental information is now being maintained at

Current Weather

Select one of our Weather Products to find weather conditions and satellite imagery from Arizona and the Southwest:

See all Weather Products >

Seminar Series

Find up-to-date seminar information on the new HAS website.

Student Research Symposium

> Current symposium information
> Archives for 1999-2016


> HAS Research
> Library Journals

Support HAS

>Learn how to support HAS

HAS Board of Advisors

>Advisory Board