Winter Storm Warning issued December 6 at 9:47PM PST until December 8 at 4:00PM PST by NWS Seattle WA
* WHAT...Heavy snow expected at or above elevations greater than 3000 ft. Total snow accumulations between 9 and 14 inches. Winds gusting as high as 40 mph. * WHERE...West Slopes North Cascades and Passes and West Slopes North Central Cascades and Passes. * WHEN...From 4 PM Saturday to 4 PM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Expect 6 to 10 inches of snow at Snoqualmie Pass as temperatures will not fall below freezing until later Sunday morning.
Hydrologic Outlook issued December 5 at 10:24AM PST by NWS Seattle WA
ESFSEW A stronger storm system will move though the area over much of the weekend that could produce enough rainfall to drive the Skokomish River above flood stage. There is still a fair amount of uncertainty regarding flooding since the precipitation forecasts have been quite variable. On the low end, it would not produce a flood, but on the high end minor flooding would be likely. Snow levels will remain quite high during the bulk of the heavy precipitation, ranging between 7000 and 9000 feet. Please monitor the latest river forecasts from the National Weather Service for additional information.
Dense Fog Advisory issued December 4 at 7:39PM PST until December 5 at 10:00AM PST by NWS Seattle WA
* WHAT...Visibility one quarter to one half mile in areas of dense fog and localized freezing fog. * WHERE...Admiralty Inlet Area, Hood Canal Area, Western Skagit County, Western Whatcom County, Bremerton and Vicinity, Everett and Vicinity, Seattle and Vicinity, Southwest Interior, and Tacoma Area. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Areas of low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of sub-freezing temperatures into Thursday morning may cause localized freezing fog.
Hydrologic Outlook issued December 4 at 4:30PM PST by NWS Seattle WA
ESFSEW A stronger storm system will move though the area over much of the weekend that could produce enough rainfall to drive the Skokomish River above flood stage. There is still a fair amount of uncertainty regarding flooding since the precipitation forecasts have been quite variable from run to run. On the low end, it would not produce a flood, but on the high end minor flooding would be likely. Snow level during the storm will not be an issue since for most of the heavy precipitation, the snow level will be 7000 to 9000 feet. Please monitor the latest