515  
FNUS75 KFGZ 251336  
FWSFGZ  
 
SPOT FORECAST FOR TURKEY TRACK...BIA-TCA  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
636 AM MST SAT MAR 25 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0730 MST ON MARCH 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A PASSING LOW PRESSURE SYSTEM WILL BRING CLOUDY  
CONDITIONS, ALONG WITH CHANCES FOR SHOWERS AND GUSTY SOUTHWEST WINDS.  
DEW POINTS SHOULD INCREASE AS THE SYSTEM PASSES, SO EXPECT RELATIVE  
HUMIDITIES TO BE A BIT HIGHER THAN YESTERDAY. SOME ISOLATED  
THUNDERSTORM ACTIVITY CANNOT BE RULED OUT. LIGHT WINDS WITH POOR  
VENTILATION RATES ARE FORECAST OVERNIGHT. HIGH PRESSURE WILL LEAD TO  
WARMER TEMPERATURE AND LIGHTER WINDS ON SUNDAY.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 11 AM.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....53 TO 55.  
MIN HUMIDITY........31 TO 33 PERCENT.  
WIND (20 FT)........SOUTHWEST AROUND 5 MPH, INCREASING TO 10 TO 15  
MPH WITH GUSTS FROM 20 TO 30 MPH AFTER 11 AM.  
GUSTY AND ERRATIC WINDS WILL BE POSSIBLE NEAR  
THUNDERSTORMS.  
LAL.................1.  
HAINES INDEX........3 VERY LOW.  
MAX VENT RATE.......EXCELLENT (209900 KNOT-FT).  
CLEARING INDEX......2099.  
MIXING HEIGHT.......700 FT AGL INCREASING TO 9000 FT AGL AFTER 10 AM.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS INCREASING TO 20 TO  
25 KNOTS IN THE LATE MORNING AND AFTERNOON.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....30 TO 32  
MAX HUMIDITY........87 TO 89 PERCENT.  
WIND (20 FT)........VARIABLE AROUND 5 MPH.  
LAL.................1.  
HAINES INDEX........2 VERY LOW.  
MIN VENT RATE.......POOR (800 KNOT-FT).  
CLEARING INDEX......8.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 KNOTS.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....57 TO 59.  
MIN HUMIDITY........24 TO 26 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 10 MPH.  
LAL.................1.  
HAINES INDEX........2 VERY LOW.  
MAX VENT RATE.......GOOD (54500 KNOT-FT).  
CLEARING INDEX......545.  
MIXING HEIGHT.......700 FT AGL INCREASING TO 5800 FT AGL AFTER 10 AM.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 KNOTS SHIFTING TO THE WEST  
10 TO 15 KNOTS IN THE LATE MORNING AND  
AFTERNOON.  
 

 
FORECASTER...RICKEY  
REQUESTED BY...BURN BOSS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1705172.0/FGZ  
.EMAIL CHRISTOPHER.HENRIE@BIA.GOV  
 
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