
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 >

Spotter Training | COOP Observer
Volunteer Weather Spotter Network
One area of information which is just as important as Doppler radar and improved satellite imagery is reliable ground truth information. There are several ways of obtaining this type of data, but one of the fastest and most reliable sources is a volunteer weather spotter network. This network consists of folks who have an interest in weather and a desire to provide timely information to the NWS forecasters for use in warnings, forecasts, and climate statements.