Help Weather Forecasters Collect Data

Rain gauge reporter CoCoRaHS


Rain gauge reporter CoCoRaHS

Volunteers help National Weather Service forecasters by reading rain gauges every day. Photo courtesy: National Weather Service.

SAN DIEGO, Calif. — The National Weather Service is looking for volunteers throughout California to collect information that will help forecasters predict weather, especially significant events. Each person will need a 4-inch rain gauge, the Internet, and a few minutes every day, according to NWS San Diego meteorologist Jimmy Taeger.

“Numerous locations around California, especially in the mountains and deserts, lack valuable precipitation reporting,” Taeger said. “Community Collaborative Rain Hail and Snow Network (CoCoRaHS) is a non-profit group of volunteer precipitation observers. They report rain, hail and snow as well as any significant weather as it occurs. Anyone can join, and it’s easy to report the information.”

Taeger said the CoCoRaHS web site is easy to navigate and has instructions for anyone to learn how to record an observation. The site also has daily maps of observer’s reports showing where precipitation fell the day before.

“It’s fun to compare the different amounts of precipitation that can fall in an area from just one storm,” he stated.

Taeger said the information is very valuable for hydrologists, farmers and many others besides weather forecasters.

If you’re interested in becoming part of the CoCoRaHS network from school, work or home, visit to sign up. You can also e-mail or call 858-675-8700 with any questions.


This article was generated from a news release.

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