| Alert: | Wind Advisory |
| Area(s): | East Puget Sound Lowlands |
| Effective: | 23apeor32ap -> 24aaeor0aa |
| Onset: | 23apeor0ap -> 23apeor45ap |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Seattle WA on 23apeor32ap |
| Headline: | Wind Advisory issued December 23 at 10:32AM PST until December 24 at 2:00AM PST by NWS Seattle WA |
| Description: |
* WHAT...Southeast winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...East Puget Sound Lowlands. * WHEN...From 6 PM this evening to 2 AM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds will be strongest in areas near and west of the Cascade gaps including North Bend, Enumclaw, Gold Bar, and Covington. |
| Alert: | Dense Fog Advisory |
| Area(s): | Eastern Columbia River Gorge of Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley |
| Effective: | 23aaeor35aa -> 23apeor0ap |
| Onset: | 23aaeor35aa -> 23apeor0ap |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Pendleton OR on 23aaeor35aa |
| Headline: | Dense Fog Advisory issued December 23 at 9:35AM PST until December 23 at 1:00PM PST by NWS Pendleton OR |
| Description: |
* WHAT...Visibility a quarter mile or less in dense fog. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, and Kittitas Valley. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous. |
| Alert: | Wind Advisory |
| Area(s): | Foothills of the Blue Mountains of Washington |
| Effective: | 23aaeor35aa -> 24aaeor0aa |
| Onset: | 24aaeor0aa -> 23apeor45ap |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Pendleton OR on 23aaeor35aa |
| Headline: | Wind Advisory issued December 23 at 9:35AM PST until December 24 at 7:00AM PST by NWS Pendleton OR |
| Description: |
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected for the base of the Blue Mountains of Washington. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...From 10 PM this evening to 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Flood Warning |
| Area(s): | Mason, WA |
| Effective: | 23aaeor29aa |
| Onset: | 23aaeor29aa -> 23apeor30ap |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Seattle WA on 23aaeor29aa |
| Headline: | Flood Warning issued December 23 at 4:29AM PST by NWS Seattle WA |
| Description: |
...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, many roads, and much of the farm land in the Skokomish Valley. Inundated roads include the Skokomish Valley road, Bourgault Road West, Purdy Cutoff Road, and Highway 106. * ADDITIONAL DETAILS... - At 3:30 AM PST Monday the stage was 17.6 feet. - Flood stage is 16.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:30 AM PST Monday was 17.6 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 16.4 feet late tonight. - Flood History...This crest compares to a previous crest of 17.5 feet on 12/20/1994. - http://www.weather.gov/safety/flood |
| Alert: | High Surf Warning |
| Area(s): | Clatsop County Coast; Tillamook County Coast; Central Coast of Oregon; South Washington Coast |
| Effective: | 23aaeor30aa -> 24aaeor0aa |
| Onset: | 23aaeor0aa -> 23apeor0ap |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Portland OR on 23aaeor30aa |
| Headline: | High Surf Warning issued December 23 at 2:30AM PST until December 23 at 10:00PM PST by NWS Portland OR |
| Description: |
* WHAT...Large waves and dangerous surf conditions. Breakers up to 30 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From 5 AM to 10 PM PST Monday. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Similar wave conditions in the past have resulted in beach erosion and damage to coastal properties and buildings. High water run-up is expected on beaches and low- lying shoreline. * ADDITIONAL DETAILS...There is a high threat for sneaker waves. |
| Alert: | High Surf Advisory |
| Area(s): | North Coast; Central Coast |
| Effective: | 23aaeor10aa -> 23apeor0ap |
| Onset: | 23aaeor0aa -> 23apeor0ap |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Seattle WA on 23aaeor10aa |
| Headline: | High Surf Advisory issued December 23 at 1:10AM PST until December 23 at 9:00PM PST by NWS Seattle WA |
| Description: |
* 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 damage on west or southwest facing beaches. |
| Alert: | Hydrologic Outlook |
| Area(s): | Clallam, WA; Grays Harbor, WA; Jefferson, WA; Lewis, WA; Thurston, WA |
| Effective: | 22apeor20ap |
| Onset: | 22apeor20ap -> 23apeor0ap |
| Severity: | Unknown |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Seattle WA on 22apeor20ap |
| Headline: | Hydrologic Outlook issued December 22 at 3:20PM PST by NWS Seattle WA |
| Description: |
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 forecasts from the National Weather Service for additional information. |
