NORTH COASTAL LOWLANDS-CENTRAL COASTAL LOWLANDS- 833 AM PDT THU OCT 

4 2012

…RED FLAG WARNING IN EFFECT UNTIL 3 PM PDT SATURDAY FOR DRY EAST WIND 

FOR FIRE WEATHER ZONES 650 AND 651…

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A RED FLAG

WARNING FOR DRY EAST WIND…WHICH IS IN EFFECT UNTIL 3 PM PDT SATURDAY.

* AFFECTED AREA…COASTAL LOWLANDS…PARTICULARLY HILLTOPS AND RIDGES 

EXPOSED TO EAST WIND

* WINDS…EAST 10 TO 15 MPH WITH GUSTS OF 20 MPH. RIDGES ON THE NW OLYMPIC 

PENINSULA WILL EXPERIENCE WINDS OF 15 TO 20 MPH WITH GUSTS OF 30 TO 35 

MPH.

* TIMING…NOW THROUGH SATURDAY.

* RELATIVE HUMIDITY…AFTERNOON RELATIVE HUMIDITY OF 18-30

PERCENT. RIDGES WILL EXPERIENCE VERY POOR HUMIDITY RECOVERIES AS

LOW AS 30 PERCENT TONIGHT. 

* IMPACTS…ANY FIRE THAT DEVELOPS MAY EXPERIENCE DRY FOEHN-LIKE

EAST WIND THAT COULD CAUSE RAPID RATES OF FIRE SPREAD AND CONTROL 

PROBLEMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE 

EITHER OCCURRING NOW…OR WILL SHORTLY. A COMBINATION OF STRONG 

WINDS…LOW RELATIVE HUMIDITY…AND WARM TEMPERATURES WILL CREATE 

EXPLOSIVE FIRE GROWTH POTENTIAL.