To obtain a CW number, fill in the form below. You will receive an e-mail reply with your assigned number (similar to "CW9999").
Several different ways to check your data packets are at Packet Checking.
If you also send your weather data to another internet site, please contact Patricia.A.Miller@noaa.gov so she will be aware of the possibility of duplicate data in the MADIS dataset.
Thank you for participating in the Citizen Weather Program!