A Fast Moving Clipper System Tracking Eastward; Heavy Precipitation Continues for the Northwest
A clipper type system will track across the Ohio Valley, central Appalachians and mid-Atlantic regions today. Rain and some accumulating snow across the higher elevations of the central Appalachians can be expected. The Pacific Northwest and northern Rockies continue with heavy precipitation and flooding coinciding with strong winds that will make traveling difficult.
High and low forecast temperature values represent air temperature.
Last Update: 5:54 am EST Dec 5, 2023
Forecast Valid: 9am EST Dec 5, 2023-6pm EST Dec 11, 2023
Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.