FNUS75 KFGZ 291351
FWSFGZ

SPOT FORECAST FOR ROANHORSE RANCH PILES...NRA NAVAJO AREA
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
651 AM MST THU OCT 29 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON OCTOBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A LOW PRESSURE SYSTEM NEAR THE FOUR CORNERS WILL
SLOWLY MOVE EASTWARD TODAY PRODUCING A CHANCE FOR SNOW SHOWER
ACTIVITY OVER THE BURN SITE TODAY. ON FRIDAY...A STRONG TEMPERATURE
INVERSION WILL DEVELOP AT AROUND 2000 ABOVE THE SURFACE. THIS
INVERSION WILL DEFINITELY CAP ANY SMOKE PLUMES AT THAT HEIGHT
KEEPING MAX VENTILATION RATE OVER THE BURN SITE AT OR BELOW THE
MARGINAL CATEGORY.

.TODAY...

SKY/WEATHER.........CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
                    MORNING...MOSTLY CLOUDY WITH A SLIGHT CHANCE
                    OF SNOW SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....36 TO 38.
MIN HUMIDITY........45 TO 50 PCT.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTHWEST UP TO 10 MPH
                    WITH OCCASIONAL GUST TO 20 MPH IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....10 TO 15.
MAX HUMIDITY........80 TO 90 PCT.
20-FOOT WINDS.......LIGHT AND VARIABLE WINDS.
.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
MAX TEMPERATURE.....40 TO 43.
MIN HUMIDITY........33 TO 37 PCT.
20-FOOT WINDS.......LIGHT WINDS BECOMING NORTHWEST TO NORTH AT
                    5 TO 10 MPH.

$$

FORECASTER...BOHLIN
REQUESTED BY...ESMERALDA TSOSIE
REASON FOR REQUEST...PRESCRIBED
.TAG 20091029.ROANH.01/FGZ