FNUS76 KEKA 021838
FWSEKA

SPOT FORECAST FOR LOWER TRINITY PILE BURN...USFS
NATIONAL WEATHER SERVICE EUREKA CA
1138 AM PDT WED NOV 2 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON NOVEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN EUREKA AT (707) 443-6484.

.DISCUSSION...
LOW RELATIVE HUMIDITY ALONG WITH GUSTY EAST WINDS WILL
PERSIST OVER THE UPPER ELEVATIONS TODAY. AT THE BURN
SITE...MINIMUM HUMIDITY SHOULD NOT BE VERY LOW BUT
EXPECT SMOKE DISPERSION TO BE POOR. RELATIVE HUMIDITY
WILL LIKELY REMAIN LOW THIS EVENING OVER THE RIDGES
BUT MOISTURE SHOULD INCREASE EARLY THURSDAY MORNING
WHEN A FRONT BRINGS SOME LIGHT RAIN TO THE AREA.  COLD
AIR ALOFT WILL SPREAD INTO AREA ON THURSDAY WITH SNOW
LEVELS LOWERING TO 3500 FEET EARLY THURSDAY EVENING.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....57-61.
MIN HUMIDITY........50 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
SURROUNDING RIDGE...EAST AROUND 5 MPH BECOMING SOUTHWEST IN THE
LATE AFTERNOON,
MIXING HEIGHT.......700 FT AGL.
MIXING WINDS........EAST AROUND 7 MPH BECOMING SOUTH IN THE LATE
AFTERNOON.
.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    CHANCE OF RAIN AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
SURROUNDING RIDGE...LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH.
MIXING HEIGHT.......700 FT AGL IN THE EVENING...THEN INCREASING
TO 3600 FT AGL EARLY IN THE MORNING.
MIXING WINDS........SOUTH AROUND 3 MPH.

.THURSDAY...

SKY/WEATHER.........LIGHT RAIN IN THE MORNING...THEN
                    CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 48.
MIN HUMIDITY........75 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
SURROUNDING RIDGE...WEST AROUND 10 MPH.
MIXING HEIGHT.......3600 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 5 MPH.

$$
FORECASTER...DJB
REQUESTED BY...ANDREW SPAIN
TYPE OF REQUEST...PRESCRIBED
.TAG 20111102.LOWER.01/EKA