000 
WWUS86 KEKA 032208 CCA
RFWEKA

RED FLAG WARNING
NATIONAL WEATHER SERVICE EUREKA CA
310 PM PDT FRI SEP 3 2004

CAZ204-276-041900-

...A RED FLAG WARNING REMAINS IN EFFECT FOR THE UPPER TRINITY REGION
AND INTERIOR MENDOCINO COUNTY TONIGHT THROUGH SATURDAY MORNING FOR 
GUSTY EAST AND NORTHEAST WINDS AND LOW RELATIVE HUMIDITY VALUES...

FIRE WEATHER ZONES AFFECTED:

ZONE 204...UPPER TRINITY RIVER...INCLUDING THE TRINITY COUNTY PORTION
           OF SHASTA NATIONAL FOREST...EASTERN PORTIONS OF           
           HOOPA...TRINITY NATIONAL FOREST AND THE CDF AREAS OF      
           EASTERN TRINITY COUNTY.

ZONE 276...INTERIOR MENDOCINO COUNTY EAST OF THE COASTAL STRIP,
           INCLUDING COVELO AND UPPER LAKE RANGER DISTRICTS OF
           MENDOCINO NATIONAL FOREST.

DISCUSSION...HIGH PRESSURE EXTENDING INTO OREGON AND LOW PRESSURE 
OVER SOUTHERN AND CENTRAL CALIFORNIA WILL COMBINE TO CREATE A DRY
OFFSHORE WIND FLOW OVER THE DISTRICTS THROUGH SATURDAY MORNING.  
NORTHEAST WINDS WILL AVERAGE 10 TO 20 MPH ACROSS UPPER SLOPES AND 
RIDGES OF TRINITY AND EASTERN MENDOCINO COUNTIES. OVER THE HIGHER 
RIDGES AND FAVORED PASSES WIND GUSTS OF 25 TO 35 MPH ARE LIKELY.

RELATIVE HUMIDITY RECOVERIES WILL REMAIN POOR OVERNIGHT...GENERALLY 
IN THE 30 TO 40 PERCENT RANGE. THIS COMBINATION OF WIND AND LOW 
HUMIDITY WILL CREATE DANGEROUS FIRE CONDITIONS. UPPER SLOPE WINDS 
WILL DIMINISH SATURDAY AFTERNOON...EASING FIRE DANGERS. RELATIVE
HUMIDITY VALUES HOWEVER WILL REMAIN LOW THROUGH THE WEEKEND.

PLEASE ADVISE THE APPROPRIATE OFFICIAL AND FIRE CREWS IN THE FIELD OF
THE RED FLAG WARNING.

$$

COLBY