WA WFO PORTLAND Warnings, Watches, and Advisories

WFO PORTLAND Warnings, Watches and Advisories for Saturday, August 6, 2022

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RED FLAG WARNING

URGENT - FIRE WEATHER MESSAGE

National Weather Service Portland OR

126 PM PDT Sat Aug 6 2022

...VERY DRY AND HOT THIS WEEKEND AWAY FROM THE COAST WITH

INCREASINGLY UNSTABLE CONDITIONS OVER THE CASCADES AND COLUMBIA

GORGE...

...BREEZY OFFSHORE FLOW SATURDAY AFTERNOON THROUGH SUNDAY

MORNING...

.Offshore flow will bring a very dry and hot airmass into the

region this weekend. North-northeast winds will increase this

afternoon, turning more easterly tonight and Sunday. Thermal low

pressure will build over the Willamette Valley and Cascades today,

and will enhance instability while crossing back over the

Cascades on Sunday.

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING

FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 604 AND

667...

* AFFECTED AREA...In Oregon, Fire Weather Zone 604 Willamette

Valley. In Washington, Fire Weather Zone 667 Clark County

Lowlands.

* WINDS...North 10 to 15 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 22 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.

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.

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY FOR

WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES...