Suppression Forecast
Issued by NWS Flagstaff, AZ

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584
FNUS75 KFGZ 281543
FWSFGZ

SPOT FORECAST for UBC...USFS
National Weather Service Flagstaff AZ
843 AM MST Fri Apr 28 2017

Forecast is based on ignition time of 0900 MST on April 28.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.


.DISCUSSION...
A cold front moving through the area today will bring breezy
northwest winds, cooler temperatures, and a slight chance for
showers. Any precipitation will remain light. Despite cooler
temperatures, dry air will filter in behind the front this
afternoon resulting in low afternoon humidity. Cool and gusty
weather continues Saturday.


.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain and snow showers.
CHANCE OF PCPN......10 percent.
Max temperature.....Around 52.
Min humidity........Near 17 percent.
WIND (20 FT)........Northwest winds 12 to 18 mph with gusts up to
                    30 mph.
Lal.................1.
Haines Index........4 low.
MAX VENT RATE.......Excellent (209000 knot-ft).
CLEARING INDEX......2090.
MIXING HEIGHT.......500 ft agl increasing to 9400 ft agl.
TRANSPORT WINDS.....Northeast 5 to 10 knots increasing to west 20
                    to 25 knots in the afternoon.


.TONIGHT...
Sky/weather.........Mostly clear.
CHANCE OF PCPN......5 percent.
Min temperature.....Around 26.
Max humidity........53 to 63 percent.
WIND (20 FT)........North-northeast winds 10 to 15 mph with
                    gusts up to 25 mph.
Lal.................1.
Haines Index........4 low.
MIN VENT RATE.......Poor (6500 knot-ft).
CLEARING INDEX......65.
MIXING HEIGHT.......9000 ft agl decreasing to 1000 ft agl.
TRANSPORT WINDS.....North 15 to 20 knots decreasing to around 10
                    knots early in the morning.


.SATURDAY...
Sky/weather.........Partly cloudy.
CHANCE OF PCPN......5 percent.
Max temperature.....Around 52.
Min humidity........Near 18 percent.
WIND (20 FT)........Northeast winds 15 to 20 mph with gusts up to
                    30 mph.
Lal.................1.
Haines Index........3 very low.
MAX VENT RATE.......Excellent (228100 knot-ft).
CLEARING INDEX......2281.
MIXING HEIGHT.......1400 ft agl increasing to 9800 ft agl.
TRANSPORT WINDS.....North around 15 knots increasing to 20 to 25
                    knots in the late morning and afternoon.

$$

Forecaster...DANIEL
Requested by...Cory Ball
Type of request...PRESCRIBED
.TAG 1707962.0/FGZ
.EMAIL cjball@fs.fed.us



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