National Weather Service United States Department of Commerce

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

NWS Doppler Radar (WSR-88D) Technology

NWS Doppler Radar (WSR-88D) Technology:
Overview of the NWS Doppler Radar System
Dual Polarization (Pol) Radar
Example NWS Doppler Radar Data Images at NWS Louisville
Radar Meteorology Tutorial
Radar Operations Center
Warning Decision Training Branch

Future Radar Technology:
Phased Array Radar: NSSL | NOAA


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