Heat Advisory & Red Flag Warning issued for Willamette Valley

Posted on July 4, 2023

Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
308 PM PDT Tue Jul 4 2023

ORZ006-007-WAZ039-051200-
/O.CON.KPQR.HT.Y.0002.000000T0000Z-230706T0600Z/
Greater Portland Metro Area-Central Willamette Valley-
Greater Vancouver Area-
Including the cities of Hillsboro, Portland, Wilsonville,
Oregon City, Gresham, Troutdale, Salem, McMinnville, Woodburn,
Stayton, Dallas, Vancouver, Battle Ground, Ridgefield, Washougal,
Yacolt, and Amboy
308 PM PDT Tue Jul 4 2023

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY...

* WHAT...Maximum temperatures of 95 to 100 degrees expected
  Tuesday and Wednesday. Hottest temperatures will be across inner
  portions of the Portland, Vancouver, Hillsboro, and Salem
  metropolitan areas.

* WHERE...In Oregon, Greater Portland Metro Area and Central
  Willamette Valley. In Washington, Greater Vancouver Area.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

* ADDITIONAL DETAILS...Temperatures will struggle to fall much
  below 70 degrees Tuesday night for the inner urban core of
  Portland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org in Oregon
or wa211.org in Washington

&&

$$


Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Portland OR
221 PM PDT Tue Jul 4 2023

...HOT, DRY, UNSTABLE, AND BREEZY CONDITIONS TO IMPACT MUCH OF
SOUTHWEST WASHINGTON AND NORTHWEST OREGON THROUGH WEDNESDAY...

ORZ604-WAZ667-051300-
/O.CON.KPQR.FW.W.0001.000000T0000Z-230706T0600Z/
Willamette Valley-Clark County Lowlands-
221 PM PDT Tue Jul 4 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY
FOR WIND, LOW RELATIVE HUMIDITY, AND UNSTABLE CONDITIONS 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.

* TIMING...Until 11 PM PDT Wednesday.

* WINDS...North 10 to 15 mph with gusts up to 25 mph. Gusts up to
  30 mph along exposed terrain and at elevations above 1000 feet.
  Strongest winds will occur in the evening and Wednesday
  afternoon.

* RELATIVE HUMIDITY...As low as 10 percent. Humidity recovery will
  be poor Tuesday night, but improve Wednesday night.

* HAINES...5 (moderate).

* IMPACTS...Conditions may be favorable for rapid spread on any
  new or existing fires. Extreme fire behavior is possible,
  especially from established fires. 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.

Check with your local fire agency to see whether burning and/or
firework restrictions are in place. Even if burning is legal, do
not leave any type of fire unattended.

&&
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