Full Notification

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FRIDAY THROUGH AT LEAST SUNDAY MORNING ACROSS MUCH OF SOUTHWEST WASHINGTON AND NORTHWEST OREGON... ...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 11 AM PDT SUNDAY FOR HOT...DRY...UNSTABLE CONDITIONS...UNSEASONABLY DRY FUELS...AND THE POTENTIAL FOR ABUNDANT LIGHTNING...FOR OREGON FIRE WEATHER ZONES 602...603...604...605...606...607 AND 608... AS WELL AS WASHINGTON FIRE WEATHER ZONES 602...604 AND 660... THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A RED FLAG WARNING FOR HOT...DRY...UNSTABLE CONDITIONS...UNSEASONABLY DRY FUELS...AND THE POTENTIAL FOR ABUNDANT LIGHTNING...WHICH IS IN EFFECT FROM 11 AM FRIDAY TO 11 AM PDT SUNDAY. THIS REPLACES THE FIRE WEATHER WATCH PREVIOUSLY IN EFFECT.

* 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 AREA...IN OREGON THIS INCLUDES THE WILLAMETTE VALLEY AND ADJACENT COAST RANGE AND CASCADE FOOTHILLS...MOUNT HOOD NATIONAL FOREST WEST OF THE CASCADE CREST...AND WILLAMETTE NATIONAL FOREST. IN WASHINGTON THIS INCLUDES THE EAST WILLAPA HILLS... CLARK COUNTY LOWLANDS...AND SOUTH WASHINGTON CASCADES AND FOOTHILLS INCLUDING GIFFORD PINCHOT NATIONAL FOREST.

* TIMING...VERY HOT...DRY...UNSTABLE CONDITIONS WILL DEVELOP FRIDAY AND PERSIST INTO SATURDAY. MAINLY DRY THUNDERSTORMS ARE EXPECTED TO DEVELOP BY SATURDAY AND SPREAD NORTHWARD ACROSS PORTIONS OF THE DISTRICT SATURDAY NIGHT AND SUNDAY MORNING.

* STABILITY...MID-LEVEL HAINES 6 CONDITIONS DEVELOPING FRIDAY AND CONTINUING INTO SATURDAY.

* RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY 15 TO 25 PERCENT IN MANY AREAS. OVERNIGHT HUMIDITY RECOVERIES WILL BE POOR TO MODERATE ALONG AND ABOVE THERMAL BELTS.

* THUNDERSTORMS...GREATEST THREAT OF ABUNDANT LIGHTNING IS SATURDAY AFTERNOON THROUGH SUNDAY MORNING...WITH LAL 3 OR 6 CONDITIONS POSSIBLE.

* IMPACTS...THE COMBINATION OF AN INCREASINGLY UNSTABLE ENVIRONMENT...UNSEASONABLY CRITICAL DRY FUELS...AND POSSIBLE ABUNDANT LIGHTNING MAY CHALLENGE INITIAL ATTACK CAPABILITIES FOR ANY NEW FIRE STARTS. ADDITIONALLY...MORE HOT...DRY...AND UNSTABLE WEATHER IS LIKELY NEXT WEEK...WHICH MAY POSE THE THREAT OF HOLDOVERS FROM ANY NEW STARTS FROM THIS WEEKEND.

* AFFECTED AREAS: CENTRAL OREGON CASCADE FOOTHILLS ... EAST SLOPES OF THE CENTRAL OREGON COAST RANGE ... MT. HOOD NATIONAL FOREST - WEST OF CASCADE CREST ... NORTH OREGON CASCADE FOOTHILLS ... NORTH OREGON COAST RANGE ... WILLAMETTE NATIONAL FOREST ... WILLAMETTE VALLEY

Instructions:

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF THE ABOVE CONDITIONS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.