Pacific Storms Continuing to Impact the West; Impactful Winter Storm in the Central and Eastern U.S.

Pacific storms will continue to bring strong winds, heavy rain with a risk for flooding to northern and central California, and heavy mountain snow in the Sierras, southern Cascades, and northern Rockies through Friday. Winter storm to impact the Midwest to Mid-Atlantic, with a combination of snow, sleet and freezing rain later today through Thursday. Hazardous travel is expected. Read More >

The Pacific Streamline Analysis is a Forecast Chart produced by the National Weather Service located in Honolulu, Hawaii.

A streamline analysis is a depiction of the surface wind field. Streamlines are drawn parallel to the wind. Surface meteorological features are then analyzed and drawn on to the chart using weather symbols. For more information on what these weather symbols represent, see the Symbols & Test Chart below.