NWS Center Weather Service Unit (CWSU) Pre-Duty Weather Briefings (PDWB)
NWS Center Weather Service Units (CWSU) are required by an Interagency Agreement with the Federal Aviation Administration (FAA) to develop and post Pre-Duty Weather Briefings (PDWB) three times daily for Air Traffic Controller (ATC) awareness. The ATCs are required by FAA policy to affirm that they have viewed these …