Red Flag Warning for West Slopes of the North Cascades Generally above 1500 Feet
Official alert fields
What you need to know
- Applies to
- East Portion of the Olympic Mountains, West Portion of the Olympic Mountains, West Slopes of the Central Cascades Generally above 1500 Feet, West Slopes of the North Cascades Generally above 1500 Feet
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
Impacts: Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new...
What the bulletin says to do
A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.
Full official description
Bulletin details
The National Weather Service in Seattle has issued a Red Flag Warning for lightning and gusty outflow winds, which is in effect from 5 AM to 8 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * LIGHTNING...Scattered thunderstorm coverage is possible across the North Cascades. * OUTFLOW WINDS...Any storms that develop will be capable of gusty and erratic outflow winds between 20 and 30 miles per hour. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Red Flag Warning issued August 21 at 1:02PM PDT until August 22 at 5:00PM PDT by NWS Seattle WA
Official revision - Alert
Red Flag Warning issued August 21 at 1:02PM PDT until August 22 at 5:00PM PDT by NWS Seattle WA
Official revision - Alert
Red Flag Warning issued August 21 at 1:02PM PDT until August 22 at 8:00PM PDT by NWS Seattle WA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Seattle WA. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected