FNUS75 KFGZ 251608
FWSFGZ

SPOT FORECAST FOR FT VALLEY...COCONINO NATIONAL FOREST
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
908 AM MST THU OCT 25 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON OCTOBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY AND COOLER AIR WILL AFFECT THE REGION TODAY
WITH ANOTHER COLD FRONT DUE TO AFFECT FIRE SITE BY LATER TONIGHT.
THIS SECOND FRONT WILL BRING GUSTY NORTHEAST WINDS...VERY DRY
AIR...AND EVEN COLDER TEMPERATURES TO THE FIRE SITE. A LOWERING
SUBSIDENCE INVERSION ALOFT WILL TRAP SMOKE LAYERS BELOW 3000 FEET
TODAY...LOWERING TO 1500 FEET OVERNIGHT...AND AS LOW AS 1000 FEET
ABOVE THE GROUND BY FRIDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....52 TO 54.
MIN HUMIDITY........16 TO 18 PERCENT.
WINDS (20 FT).......LIGHT AND VARIABLE WINDS LESS THAN 3 MPH
                    BECOMING WESTERLY 3 TO 5 MPH WITH GUSTS TO
                    10 MPH LATER IN THE AFTERNOON.
LAL.................1.
HAINES INDEX........2 VERY LOW.
MAX VENT RATE.......VERY GOOD (79000 KNOT-FT).
CLEARING INDEX......790.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....26 TO 28.
MAX HUMIDITY........50 TO 60 PERCENT.
WINDS (20 FT).......LIGHT NORTHWEST WINDS 3 TO 5 MPH UNTIL MIDNIGHT.
                    WINDS EB COMING NORTHEAST 10 TO 18 MPH AFTER
                    MIDNIGHT.
LAL.................1.
HAINES INDEX........4 LOW.
MIN VENT RATE.......POOR (5300 KNOT-FT).
CLEARING INDEX......53.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....45 TO 47.
MIN HUMIDITY........12 TO 14 PERCENT.
WINDS (20 FT).......NORTHEAST WINDS 12 TO 18 MPH WITH GUSTS UP TO
                    25 MPH.
LAL.................1.
HAINES INDEX........4 LOW.
MAX VENT RATE.......MARGINAL (15500 KNOT-FT).
CLEARING INDEX......155.

$$
FORECASTER...PETERSON
REQUESTED BY...ROB GOMON
REASON FOR REQUEST...PRESCRIBED
.TAG 20121025.FTVAL.01/FGZ