Each office knows the local area and will issue warnings, watches or advisories based on criteria which vary from office to office. For example, the amount of snow that triggers a winter storm ...

Many of the winter storm warnings warned of widespread snowfall amounts of up to 8 inches. In some places, including in Washington, D.C., central and southern Maryland and central and northern ...

As a second atmospheric river takes aim at Northern California, the Sacramento office of the National Weather Service issued a Winter Storm Warning for Monday through Wednesday The warning was ...