Quillayute, WA
The Rockhill Group, Inc. (TRG) provides all personnel that are certified by the National Weather Service (NWS) to take, document, and disseminate upper air radiosonde, Rawin-Rabal comparative observations at the observation site which meet a variety of needs and serve a variety of users. Upper Air observations are taken and coded for the operational use of meteorologists and hydrologists, as well as for international dissemination.
