Portland

Warnings

Excessive Heat Warning in effect until Friday, 9:00 PM PDT. Source: U.S. National Weather Service

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO
9 PM PDT FRIDAY FOR THE WILLAMETTE VALLEY ...COLUMBIA RIVER GORGE
AND UPPER HOOD RIVER VALLEY ...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO
9 PM PDT FRIDAY.

* TIMING: TODAY AND FRIDAY.

* HIGH TEMPERATURES: 100 TO 105 DEGREES. HOTTEST IN THE CENTRAL
AND SOUTHERN WILLAMETTE VALLEY AND CENTRAL COLUMBIA RIVER GORGE.

* LOW TEMPERATURES: 60 TO 65 DEGREES.

* DURATION UNCERTAINTY: 90 TO 98 DEGREE TEMPERATURES WILL LIKELY
PERSIST THROUGH THE WEEKEND AND POSSIBLY INTO MONDAY. THE
HOTTEST TEMPERATURES WILL REMAIN IN THE CENTRAL AND SOUTHERN
WILLAMETTE VALLEY AND CENTRAL COLUMBIA RIVER GORGE.

* LOCATIONS INCLUDE: EUGENE ...SPRINGFIELD ...CORVALLIS ...
ALBANY ...SALEM ...MCMINNVILLE ...HILLSBORO ...PORTLAND ...
OREGON CITY ...GRESHAM ...VANCOUVER ...BATTLE GROUND ...
WASHOUGAL ...ODELL

* IMPACTS: DO NOT LEAVE CHILDREN AND PETS UNATTENDED IN
AUTOMOBILES.

PRECAUTIONARY/PREPAREDNESS ACTIONS ...

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 LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.

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.

&&

Red Flag Warning in effect until Friday, 11:00 PM PDT. Source: U.S. National Weather Service

NORTH OREGON COAST RANGE:

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT FRIDAY FOR
HOT ...DRY ...UNSTABLE CONDITIONS COMBINED WITH CRITICALLY DRY FUELS
FOR FIRE WEATHER ZONES OR602 ...OR603 ...OR604 ...OR605 ...OR606 ...
OR607 ...OR608 ...WA602 ...WA604 AND WA660 ...

* AFFECTED ZONES ...IN OREGON ...FIRE WEATHER ZONES 602 ...603 ...
604 ...605 ...606 ...607 AND 608. IN WASHINGTON ...FIRE WEATHER
ZONES 602 ...604 AND 660.

* AFFECTED AREAS ...THIS INCLUDES GIFFORD PINCHOT NATIONAL
FOREST ...MT HOOD NATIONAL FOREST WEST OF THE CASCADE CREST ...
THE WILLAMETTE NATIONAL FOREST ...PORTIONS OF THE SIUSLAW
NATIONAL FOREST ...THE WILLAMETTE VALLEY AND ADJACENT
FOOTHILLS ...AS WELL AS THE CLARK COUNTY LOWLANDS. ODF ...BLM ...
AND WASHINGTON DNR LANDS ARE INCLUDED AS WELL.

* TIMING ...NOW THROUGH FRIDAY EVENING.

* STABILITY ...MID LEVEL HAINES 6 ...WITH HIGH LEVEL HAINES 5.

* RELATIVE HUMIDITY ...10 TO 20 PERCENT IN MANY AREAS. OVERNIGHT
RECOVERIES WILL BE POOR ALONG AND ABOVE THERMAL BELTS.

* TEMPERATURES ...GENERALLY 100 TO 105 OVER THE LOWLANDS ...AND 85
TO 95 IN THE HIGHER ELEVATIONS.

* IMPACTS ...THE COMBINATION OF AN INCREASINGLY HOT ...DRY ...AND
UNSTABLE ENVIRONMENT AND VERY DRY FUELS MAY RESULT IN RAPID
GROWTH OF NEW OR EXISTING FIRES.

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.

&&

===================

WILLAMETTE VALLEY:

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT FRIDAY FOR
HOT ...DRY ...UNSTABLE CONDITIONS COMBINED WITH CRITICALLY DRY FUELS
FOR FIRE WEATHER ZONES OR602 ...OR603 ...OR604 ...OR605 ...OR606 ...
OR607 ...OR608 ...WA602 ...WA604 AND WA660 ...

* AFFECTED ZONES ...IN OREGON ...FIRE WEATHER ZONES 602 ...603 ...
604 ...605 ...606 ...607 AND 608. IN WASHINGTON ...FIRE WEATHER
ZONES 602 ...604 AND 660.

* AFFECTED AREAS ...THIS INCLUDES GIFFORD PINCHOT NATIONAL
FOREST ...MT HOOD NATIONAL FOREST WEST OF THE CASCADE CREST ...
THE WILLAMETTE NATIONAL FOREST ...PORTIONS OF THE SIUSLAW
NATIONAL FOREST ...THE WILLAMETTE VALLEY AND ADJACENT
FOOTHILLS ...AS WELL AS THE CLARK COUNTY LOWLANDS. ODF ...BLM ...
AND WASHINGTON DNR LANDS ARE INCLUDED AS WELL.

* TIMING ...NOW THROUGH FRIDAY EVENING.

* STABILITY ...MID LEVEL HAINES 6 ...WITH HIGH LEVEL HAINES 5.

* RELATIVE HUMIDITY ...10 TO 20 PERCENT IN MANY AREAS. OVERNIGHT
RECOVERIES WILL BE POOR ALONG AND ABOVE THERMAL BELTS.

* TEMPERATURES ...GENERALLY 100 TO 105 OVER THE LOWLANDS ...AND 85
TO 95 IN THE HIGHER ELEVATIONS.

* IMPACTS ...THE COMBINATION OF AN INCREASINGLY HOT ...DRY ...AND
UNSTABLE ENVIRONMENT AND VERY DRY FUELS MAY RESULT IN RAPID
GROWTH OF NEW OR EXISTING FIRES.

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.

&&

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