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  Storm Center: Weather Alerts: Warnings


 
My Location: San Francisco, CA 
 
Current Time: 04:22:06 PM PDT
Other Alerts  
Weather Alert
    Other Weather Alerts
Type Red Flag Warning

Red Flag Warning
Tue Aug 26 03:36:00 PDT 2025
Mon Aug 25 21:06:00 PDT 2025
Issued By NWS Portland OR
Issuing Time Tue, 26 Aug 2025 07:54:00 PDT
Broadcast Time Tue, 26 Aug 2025 07:54:00 PDT
Valid Until Tue, 26 Aug 2025 21:00:00 PDT
Brief Description Red Flag Warning
Detailed Description * AFFECTED AREA. In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS. Isolated to scattered thunderstorms. Around a 25% chance of thunderstorms. 10-20% chance of wetting rains in passing storms. * DRY AND UNSTABLE. Unstable conditions with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS. Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS. Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.
       
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