FNUS76 KHNX 120339
FWSHNX

SPOT FORECAST FOR BIG MEADOW...YOSEMITE NATIONAL PARK
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
839 PM PDT FRI SEP 11 2009

FORECAST IS BASED ON REQUEST TIME OF 1717 PDT ON SEPTEMBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE ALOFT WILL WEAKEN SATURDAY AS A WEAK
TROUGH OF LOW PRESSURE LIFTS ACROSS NORTHERN CALIFORNIA. SOME
TROPICAL MOISTURE WILL MOVE INLAND WITH THE TROUGH ON SATURDAY
BRINGING A SLIGHT CHANCE OF THUNDERSTORMS TO THE FIRE SITE. AN
UPPER LEVEL TROUGH WILL THEN APPROACH THE CALIFORNIA COAST SUNDAY
AND MOVE INLAND MONDAY...BRING COOLER TEMPERATURES AND INCREASED
MOISTURE OVER THE FIRE. REBUILDING HIGH PRESSURE TUESDAY WILL THEN
BRING A WARMING AND DRYING TREND THROUGH THE MIDDLE OF NEXT WEEK.


.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF A THUNDERSTORM
                    IN THE AFTERNOON.
MAX TEMPERATURE.....76-80.
MIN HUMIDITY........23-28 PERCENT.
EYE LEVEL WINDS.....VARIABLE 1-3 MPH IN THE MORNING BECOMING
                    UPSLOPE 3-7 MPH AFTER 1200 PDT.
SURROUNDING RIDGE...LIGHT IN THE MORNING BECOMING SOUTHEAST
                    6-12 MPH AFTER 1100 PDT.
MIXING HEIGHT.......RISING TO AROUND 6000 FEET AGL.
TRANSPORT WINDS.....LIGHT IN THE MORNING BECOMING WEST 5 MPH
                    AFTER 1000 PDT.

.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF A THUNDERSTORM
                    IN THE EVENING.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........46-51 PERCENT.
EYE LEVEL WINDS.....UPSLOPE 3-7 MPH IN THE EVENING BECOMING DOWNSLOPE
                    1-4 MPH AFTER 2000 PDT.
SURROUNDING RIDGE...SOUTHEAST TO SOUTH 7-14 MPH.
MIXING HEIGHT.......LOWERING TO AROUND 600 FEET AGL.
TRANSPORT WINDS.....SOUTH 7 MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........26-31 PERCENT.
EYE LEVEL WINDS.....VARIABLE 1-4 MPH IN THE MORNING BECOMING
                    UPSLOPE 4-8 MPH AFTER 1200 PDT.
SURROUNDING RIDGE...SOUTH 9-18 MPH.
MIXING HEIGHT.......RISING TO AROUND 5000 FEET AGL.
TRANSPORT WINDS.....SOUTH 12 MPH.


FORECASTER...BAGNALL
$$REQUESTED BY...JEFF PIROG
TYPE OF REQUEST...WILDFIRE
.TAG 20090911.BIGME.01/HNX