Monday, June 18, 2018


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Attention Weather Enthusiasts!

The National Weather Service has partnered with the Community Collaborative Rain, Hail, and Snow Network (CoCoRaHS) and together, they are looking for volunteer weather observers in Arizona. If you sign up by the end of March, you will receive a FREE rain gauge from the NWS Flagstaff office and become one of the data points in a growing cooperative network of precipitation reports (see a nationwide map of yesterday’s reports at

What is CoCoRaHS? CoCoRaHS is a unique, non-profit, community-based network of volunteers of all ages and backgrounds working together to measure and report precipitation amounts (rain, hail, and snow). By using low-cost measurement tools, stressing training and education, and utilizing an interactive app and website, the goal is to provide the highest quality precipitation data for natural resource, education, and research applications.

What are the benefits of being a CoCoRaHS observer? Whether you are reporting from your home, school, ranch, or business; your daily precipitation data will keep you connected with the weather around you. Observing precipitation is a fun and easy hands-on activity that applies science to the real world. Your information will fill a piece of the puzzle that affects many in your part of Arizona. Your information will help hydrologists make better river forecasts, assist researchers with assessing drought intensity, and help the National Weather Service with severe weather warnings.

Whom should I contact? If you, your school, and/or your business are interested in being a part of this community of volunteer observers, please email for more information. If you would like to sign up to be part of this network, the application is available at the following link

What is CoCoRaHS March Madness? The state that signs up the most volunteers during the month of March wins the coveted "CoCoRaHS Cup". Currently Arizona is in second place With your help and encouraging your friends and family to also join this network, we can bring the CoCoRaHS Cup west of the Rockies for the first time in history!

Here are some short CoCoRaHS Training Videos:
Short videos for CoCoRaHS training: 
Thorough CoCoRaHS training slides:

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