283
FNUS75 KGJT 120028
FWSGJT
SPOT FORECAST FOR CHIPPEAN...FOREST SERVICE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
628 PM MDT SAT OCT 11 2008
FORECAST IS BASED ON INCIDENT TIME OF 1741 MDT ON OCTOBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..WIND ADVISORY IN EFFECT UNTIL 6 PM MDT THIS AFTERNOON
DISCUSSION
TEMPERATURES WILL CONTINUE TO QUICKLY FALL THIS EVENING IN THE
WAKE OF TODAY'S COLD FRONT. THE FLOW ALOFT WILL CONTINUE TO BE
SOUTHWEST TONIGHT AND ON SUNDAY AS A TROUGH OF LOW PRESSURE SLOWLY
SHIFTS OUT OF THE GREAT BASIN. ONCE THE TROUGH AXIS MOVES EAST OF
THE BURN SITE LATE SUNDAY EVENING...NORTHWEST TO NORTH WINDS WILL
DEVELOP. THE BEST CHANCE FOR PRECIPITATION WILL BE TONIGHT...HOWEVER
LITTLE MOISTURE ACCOMPANIES THIS STORM SYSTEM SO ONLY ISOLATED
SHOWERS ARE EXPECTED.
THIS EVENING
SKY/WEATHER.........CLEAR.
TEMPERATURE.........FALLING TO AROUND 40 F BY SUNSET.
HUMIDITY............20-25%.
20-FOOT WINDS.......CONTINUED BREEZY. WEST WINDS 8-15 MPH WITH GUSTS
TO 25 MPH.
CLEARING INDEX......1050.
HAINES INDEX........6 HIGH.
MIXING HEIGHT.......10500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 30 MPH.
TONIGHT (AFTER SUNSET)
SKY/WEATHER.........INCREASING CLOUDS...BECOMING MOSTLY CLOUDY
(60-70%) AFTER MIDNIGHT. ISOLATED SHOWERS.
MIN TEMPERATURE.....29-34 F.
MAX HUMIDITY........46-51%.
20-FOOT WINDS.......WEST WINDS 5-12 MPH WITH A FEW GUSTS TO 18 MPH.
CLEARING INDEX......INITIALLY 880...THEN LOWERING TO BELOW 500 BY
MIDNIGHT
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 25 MPH...DECREASING TO 10 MPH LATE
TONIGHT.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MAX TEMPERATURE.....46-51 F.
MIN HUMIDITY........19-24%.
20-FOOT WINDS.......SOUTHWEST WINDS 5 MPH INCREASING TO 8-12 MPH
IN THE AFTERNOON.
CLEARING INDEX......840.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 14 MPH.
OUTLOOK FOR COLUMBUS DAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MAX TEMPERATURE.....48-53 F.
MIN HUMIDITY........23-28%.
20-FOOT WINDS.......NORTH 8-12 MPH.
CLEARING INDEX......525.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....NORTH 10 MPH.
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...COLT MORTENSON
TYPE OF REQUEST...WFU
.TAG 20081011.CHIPP.01/GJT
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