
Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. 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.