FNUS75 KGJT 220410
FWSGJT

SPOT FORECAST FOR BLACKRIDGE RX...GJ INTERAGENCY DISPATCH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1010 PM MDT MON SEP 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN UPPER LEVEL LOW WILL SETTLE IN THE VICINITY OF EASTERN COLORADO
BY TUESDAY AND THEN REMAIN NEARLY STATIONARY UNTIL LATE IN THE
WEEK. THIS WILL KEEP A COOL NORTHERLY FLOW ACROSS THE FIRE AREA.
EXPECT INCREASED SURFACE WINDS AT TIMES ESPECIALLY DURING THE
AFTERNOONS AND EVENINGS THROUGH WEDNESDAY. THE LOW WILL EXIT INTO
THE PLAINS LATE FRIDAY OR SATURDAY. HIGH PRESSURE WILL THEN BUILD
TO OUR WEST.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MAX TEMPERATURE.....55-60 F.
MIN HUMIDITY........22-27%.
20-FOOT WINDS.......TERRAIN DRIVEN WINDS 4-7 MPH SHIFTING TO THE
                    NORTH 6-10 MPH WITH OCCASIONAL GUSTS TO 15
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD BY NOON.
MIXING HEIGHT.......300 FT AGL INCREASING TO 8100 FT AGL.
TRANSPORT WINDS.....EAST 10 MPH SHIFTING TO THE NORTH 16 MPH IN THE
                    AFTERNOON.

.TUESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%).
MIN TEMPERATURE.....29-34 F.
MAX HUMIDITY........63-68%.
20-FOOT WINDS.......NORTH WINDS 5-10 MPH BECOMING TERRAIN DRIVEN
                    BY 2200.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR BY 2000.
MIXING HEIGHT.......3500 FT AGL DECREASING TO 400 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTH 12 MPH BECOMING NORTHEAST 5 MPH AFTER
                    MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%).
MAX TEMPERATURE.....56-61 F.
MIN HUMIDITY........24-29%.
20-FOOT WINDS.......TERRAIN DRIVEN WINDS 4-6 MPH BECOMING NORTH
                    8-12 MPH WITH GUSTS TO AROUND 25 MPH IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD BY NOON.
MIXING HEIGHT.......400 FT AGL INCREASING TO 9100 FT AGL.
TRANSPORT WINDS.....NORTHEAST 12 MPH INCREASING TO NORTH 22 MPH IN
                    THE AFTERNOON.

$$
FORECASTER...AS
REQUESTED BY...IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20090922.BLACK.01/GJT