Welcome to WxCoder III

Welcome to WxCoder III - the official web-based entry system for the National Weather Service (NWS) Cooperative Observer Program (COOP)! Combined with IV-ROCS, the telephone entry system, WxCoder offers the means for daily entry of weather records for COOP volunteers. WxCoder is sponsored by the National Oceanic and Atmospheric Administration (NOAA) through the National Weather Service, the Regional Climate Center Program and the National Climatic Data Center.

COOP consists of thousands of dedicated volunteers that take observations on farms, in urban and suburban areas, National Parks, seashores, and mountaintops. The input data are truly representative of where people live, work and play. Since 1890, COOP has fulfilled key mission elements:

Log in to report your daily observations.

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