Community Collaborative Rain, Hail and Snow Network

The Community Collaborative Rain, Hail and Snow Network, or CoCoRaHS, is a network of volunteer weather observers in the United States, Canada, and the Bahamas that take daily readings of precipitation and report them to a central data store over the Internet.

(36 cm) of rain fell over southwest Fort Collins, the area where the flood waters originated, while less than 2 in.

The enthusiastic interest shown by volunteers and the great value of the data verified the need for such a service, and CoCoRaHS was born.

[citation needed] Gregory Syroney with the Scioto County Storm Chaser Center,[6] in Portsmouth, Ohio created the Significant Weather Report Form PDF File for CoCoRaHS Headquarters in Fort Collins.

[8] As of 2014, the network had expanded to the Canadian provinces of Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Quebec, and Saskatchewan,[8] with over 20,000 participants as of March 2015.