Date(s) - 10/19/2017
7:00 pm - 9:00 pm

Buena Vista Community Center

FREE Lecture Colorado’s Changing Climate: Update & Outlook for the Arkansas River Basin 

Nolan Doesken, Colorado State Climatologist, will discuss how scientists observe and monitor climate—primarily temperature and precipitation. Colorado has data going back to 1890 (125 years) to help scientists understand where we’ve been and help predict where we are going. With a focus on Arkansas River Basin data, this lecture is sure to be enlightening for those interested in the weather. Discover our states long term monitoring and climate trends particularly focused on floods and drought.

After the Fort Collins flash flood of 1997, Dr. Doesken established a volunteer rain gauge network to track and map the local variations in northern Colorado precipitation. This project—the Community Collaborative Rain, Hail and Snow network (CoCoRaHS)—has nearly 20,000 volunteers in all 50 states and has now spread into Canada

CoCoRaHS is an example of a ‘Citizen Science’ project where volunteers of all ages use simple low-cost tools to help measure and report rain, hail and snow. The project has been very successful in terms of the number and geographical spread of participants, the commitment of participants and the widespread acceptance and scientific use of the data being gathered.

Nolan Doesken was born and raised in rural central Illinois where he grew up with an intense fascination with weather. In 1976, he received his M.S. in Atmospheric Science from University of Illinois, Champaign-Urbana, IL. He moved to Colorado in 1977 to become the Assistant State Climatologist at Colorado State University. Formerly working with Emeritus Professor Tom McKee: 1977-1999 and Emeritus Professor Roger Pielke: 2000-2006. He was appointed in 2006 as the Colorado State Climatologist at the Colorado Climate Center.  for more information visit

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