Action Recommended
Make preparations per the instructions
Issued By
Portland - OR, US, National Weather Service
Affected Area
Northern and Central Willamette Valley
Description
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 633 AND 684... The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 9 AM to 7 PM PDT Thursday. The Fire Weather Watch is no longer in effect.
AFFECTED AREA...In Oregon, Fire Weather Zone 684 Northern and Central Willamette Valley. In Washington, Fire Weather Zone 633 Clark County Lowlands and Swift Reservoir Region.
WINDS...Northeast 5 to 15 mph with gusts 20 to 25 mph.
RELATIVE HUMIDITY...20 to 30 percent.
IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Use extra caution with potential ignition sources, especially in grassy areas. Outdoor burning is not recommended.
ADDITIONAL DETAILS...Within the Willamette Valley, the Red Flag Warning is specifically for areas around the Portland- Metro area near the entrance to the Columbia River Gorge and from Oregon City northward east of I-5.
PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior.