077
FNUS75 KGJT 070423
FWSGJT
SPOT FORECAST FOR POWDERHORN...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
923 PM MST FRI NOV 6 2009
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON NOVEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM SOUTHWEST FLOW WILL CONTINUE TODAY BUT SLIGHTLY COOLER AS PERIODS
OF HIGH CLOUDS WILL CUT DOWN SURFACE HEATING. ONCE THE MORNING INVERSION
DISSIPATES...DEEP MIXING WILL RESULT IN BREEZY CONDITIONS DURING THE
AFTERNOON HOURS. BUT WINDS ALOFT WILL BE WEAKER TODAY THAN FRIDAY SO
THE GUSTY WINDS WILL NOT BE AS PREVALENT.
TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MAX TEMPERATURE.....56-59 F.
MIN HUMIDITY........20-24%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY UNTIL 1100...THEN NORTHWEST
WINDS 10 TO 15 MPH...WITH SOME GUSTS TO 25 MPH.
SMOKE DISPERSAL.....POOR (16000 KNOT-FT) UNTIL 1100...THEN GOOD.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 4700 FT AGL IN
THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 19 MPH.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MIN TEMPERATURE.....23-28 F.
MAX HUMIDITY........50-55%.
FORECASTER...PAUL FRISBIE
REQUESTED BY...BRIAN STEVENS
TYPE OF REQUEST...PRESCRIBED
.TAG 20091107.POWDE.01/GJT
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