Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

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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

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Active Spring Like Pattern Across the Eastern Half of the Country

Cooperative Observer Program at WFO Grand Rapids Michigan