Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Coop Home

Informational Links

Welcome to the NWS Grand Rapids Cooperative Observer website! These pages were designed to highlight the important contributions of our cooperative observers and to provide access to the COOP data, and other sources of weather and climate data. Weather data comes from a wide variety of sources, including satellite, remote sensors, radars, automated observing stations, and volunteer cooperative observers. Each and every day, a wide spectrum of users access these weather data to solve problems and plan their lives. Whether it is a farmer in Michigan, a climate scientist in Europe, or a weather enthusiast in New York, the weather data that our cooperative observers collect has a profound impact on society. These pages were designed to help our customers access COOP and other sources of data, describe the uses of data, explain how to become an observer, and acknowledge our award winning COOP observers.

Additional NWS Cooperative Observer Program Links: Background Information for the NWS Cooperative Observing Program COOP Program Fact Sheet Directions for measuring Snowfall Information on the Proper Siting of a Weather Station COOP Downloadable Forms COOP Training Materials WxCoder Instructions for the B91 Form

GRR RSS Feed

Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Grand Rapids Cooperative Observer Program