Winter Storm Watch issued December 24 at 2:08AM PST until December 27 at 10:00AM PST by NWS Seattle WA
* WHAT...Heavy snow possible at or above elevations greater than 3500 ft. Total snow accumulations between 18 to 24 inches possible. Winds could gust as high as 55 mph. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From Wednesday afternoon through Friday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. * ADDITIONAL DETAILS...Accumulations of 6 to 12 inches will be possible for elevations between 3000 to 3500
High Surf Advisory issued December 24 at 2:04AM PST until December 26 at 10:00PM PST by NWS Seattle WA
* WHAT...For the first High Surf Advisory, large breaking waves of 16 to 20 feet in the surf zone. For the second High Surf Advisory, large breaking waves of 18 to 24 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...For the first High Surf Advisory, until 1 PM PST this afternoon. For the second High Surf Advisory, from 10 PM Wednesday to 10 PM PST Thursday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. Localized beach erosion is possible. People can be swept off rocks and jetties, and drown
High Surf Advisory issued December 24 at 2:04AM PST until December 24 at 1:00PM PST by NWS Seattle WA
* WHAT...For the first High Surf Advisory, large breaking waves of 16 to 20 feet in the surf zone. For the second High Surf Advisory, large breaking waves of 18 to 24 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...For the first High Surf Advisory, until 1 PM PST this afternoon. For the second High Surf Advisory, from 10 PM Wednesday to 10 PM PST Thursday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. Localized beach erosion is possible. People can be swept off rocks and jetties, and drown
Hydrologic Outlook issued December 23 at 4:24PM PST by NWS Seattle WA
ESFSEW An atmospheric river will bring significant rainfall to the Olympic Peninsula Wednesday into Thursday. Widespread rainfall totals of 4 to 6 inches are expected in the mountains, with locally over 6 inches over the highest peaks. Snow levels will begin around 3000 ft during this time frame. An extended wet period with snow levels above 4000 ft Thursday through next weekend over the Olympics and into portions of southwestern Washington. The area of concern for additional river flooding impacts may expand east to include rivers in Thurston and Lewis counties. Please monitor the latest river forecasts from the National
Flood Warning issued December 24 at 9:35AM PST by NWS Seattle WA
...The Flood Warning is extended for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .The river is expected to remain in minor flood stage through early Thursday morning. Additional rounds of precipitation are expected to bring the river back into moderate flood stage early Thursday morning. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, the Skokomish River will cause moderate flooding, with deep and quick flood waters inundating some residential areas, many roads, and much of the farm land in the
Flood Warning issued December 23 at 4:29AM PST by NWS Seattle WA
...Observed flooding changed from Minor to Moderate severity for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .Moderate flooding is expected for the next several hours before the river levels begin to lower, but will remain in minor flood stage. Additional rounds of precipitation in the coming days will keep the river in minor flood stage. * WHAT...Moderate flooding is occurring and minor flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, the Skokomish River will cause moderate flooding, with deep and quick flood waters inundating some residential areas
High Surf Advisory issued December 23 at 1:10AM PST until December 23 at 9:00PM PST by NWS Seattle WA
* WHAT...Large breaking waves of 18 to 22 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...From 5 AM early this morning to 9 PM PST this evening. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. Localized beach erosion is possible. People can be swept off rocks and jetties, and drown while observing high surf. * ADDITIONAL DETAILS...Waves just offshore on Monday morning are expected to be of a longer period with a dominant period of 20 to 22 seconds. This may enhance the risk for beach erosion and infrastructure
Hydrologic Outlook issued December 22 at 3:20PM PST by NWS Seattle WA
ESFSEW An atmospheric river will bring significant rainfall to the Olympic Peninsula Wednesday into Thursday. Widespread rainfall totals of 3 to 4 inches are expected in the mountains, with locally over 5 inches over the highest peaks are possible. Snow levels will remain around 4000 to 5000 ft during this time frame. An extended wet period with snow levels above 4000 ft Thursday through next weekend over the Olympics and into portions of southwestern Washington. The area of concern for additional river flooding impacts may expand east to include rivers in Thurston and Lewis counties. Please monitor the latest river
Flood Warning issued December 22 at 3:11AM PST by NWS Seattle WA
...The Flood Warning continues for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .The river will be just below minor flood stage until around 10 AM PST today, but with additional precipitation arriving, it is forecast to again rise above minor flood stage this afternoon. * WHAT...Minor flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...Until further notice. * IMPACTS...At 16.5 feet, the Skokomish River will cause widespread flooding of pasture lands, with water flowing quickly over West Bourgault Road and Skokomish Valley Road. * ADDITIONAL DETAILS... - At 2:30 AM PST Sunday the stage
Wind Advisory issued December 22 at 8:35AM PST until December 22 at 5:00PM PST by NWS Seattle WA
* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Central Coast and North Coast. * WHEN...Until 5 PM PST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.