Heavy Rain and Snowmelt Threatens Flooding in Southeast and Mid-Atlantic; Strong Cold Front Presses Across the Northwest

A southern storm system will bring heavy to excessive rain from the Southeast to the Mid-Atlantic through Saturday with a secondary heavy rain threat area from the Lower Mississippi Valley into the Ohio Valley. Out West, a strong cold front will continue rain, mountain snow and gusty winds into Saturday morning. Another front will bring more unsettled weather to the region by Sunday. Read More >

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Community Collaborative Rain, Hail and Snow network
Observations

What is CoCoRaHS?

CoCoRaHS stands for the Community Collaborative Rain, Hail & Snow network. It is a unique, non-profit, community-based network of volunteers of all ages and backgrounds working together to measure and map precipitation (rain, snow and hail). The network originated with the Colorado Climate Center at Colorado State University in 1998 thanks in part to a devastating flood that occurred in the previous year.

Can I participate?

Absolutely! The ultimate goal of the program is to have one observer per square mile in urban/suburban areas and one observer every 36 square miles in rural areas. Everyone can help, young, old, and in-between. The only requirements are an enthusiasm for watching and reporting weather conditions and a desire to learn more about how weather can effect and impact our lives.

Once trained, volunteers collect data using low cost measuring tools such as a 4-inch diameter high capacity rain gage (pictured right), snow boards to measure snow, and aluminum foil-wrapped Styrofoam hail pads in some states. Information on purchasing a rain gage can be found via the CoCoRaHS main page.

How do I join?

Either click on the “Join CoCoRaHS” image to the right or visit the CoCoRaHS home page at www.cocorahs.org to get more information on the program.

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Heavy Rain and Snowmelt Threatens Flooding in Southeast and Mid-Atlantic; Strong Cold Front Presses Across the Northwest

CoCoRaHS Observations and Information