National Weather Service United States Department of Commerce

Heavy Rainfall in the East Wednesday; Hot Temperatures Continue in Coastal Southern California

Heavy to excessive rainfall may lead to flooding Wednesday over southwest Pennsylvania into northern West Virginia, and western Maryland. Flood Watches have been issued. An extended period of hot weather will continue for parts of coastal southern California including Los Angeles through Thursday. Heat Advisories remain in effect. Read More >

National Weather Service Dissemination

National Program

Non-Weather Emergency Message (NWEM)

Weather.gov > National Weather Service Dissemination > Non-Weather Emergency Message (NWEM)
Federal, state, local, tribal and territorial public safety officials can send Non-Weather Emergency Messages (NWEMs) through the Federal Emergency Management Agency (FEMA) Integrated Public Alert and Warning System (IPAWS) in CAP v1.2 format to the National Weather Service (NWS) for broadcast over NOAA Weather Radio (NWR) All Hazards and other NWS dissemination systems (see DISSEMINATION TABLE).
To read more about NWEM click here.