FNUS75 KFGZ 202345 FWSFGZ SPOT FORECAST FOR PIPELINE...KNF KAIBAB NF NATIONAL WEATHER SERVICE FLAGSTAFF AZ 445 PM MST THU AUG 20 2009 FORECAST IS BASED ON INCIDENT TIME OF 1620 MST ON AUGUST 20. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...ON FRIDAY THE HIGH OVER THE GREAT BASIN WILL START TO SLOWLY SHIFT SOUTHEASTWARD OVER NEW MEXICO...ALLOWING MOIST SOUTHERLY FLOW TO DEVELOP OVER ARIZONA. SHOWER AND THUNDERSTORM ACTIVITY ACROSS THE AREA WILL SLOWLY INCREASE STARTING ON FRIDAY... HOWEVER THE CHANCES FOR WETTING RAIN ARE NEAR ZERO AND GUSTY AND ERRATIC WINDS ARE LIKELY NEAR AND STORMS THAT FORM. SATURDAY THROUGH THE WEEKEND A CHANCE OF THUNDERSTORMS IS EXPECTED EACH AFTERNOON. .REST OF TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........8 TO 10 PCT. 20-FOOT WINDS.......WEST TO NORTHWEST WINDS 3 TO 7 MPH. .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....AROUND 51. MAX HUMIDITY........25 TO 35 PCT. 20-FOOT WINDS.......WEST TO NORTHWEST WINDS 3 TO 7 MPH BECOMING DOWNSLOPE/DOWN-CANYON UP TO 4 MPH LATE IN THE EVENING. .FRIDAY... SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. A VERY SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........9 TO 11 PCT. 20-FOOT WINDS.......LIGHT WINDS BECOMING EAST 4 TO 8 MPH IN THE LATE MORNING AND AFTERNOON $$ FORECASTER...ONTON REQUESTED BY...KAIBAB NATIONAL FOREST REASON FOR REQUEST...WFU .TAG 20090820.PIPEL.01/FGZ