677  
FNUS73 KBIS 011516  
FWSBIS  
 
SPOT FORECAST FOR COMMUNITY RX BURN CANNON BALL, ND...BIA STANDING ROCK AGENCY FIRE MANAGEMENT  
NATIONAL WEATHER SERVICE BISMARCK ND  
916 AM CST FRI DEC 1 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON DECEMBER 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
QUIET WEATHER IS EXPECTED AT THE BURN SITE TODAY, WITH SKIES  
GRADUALLY CLEARING THIS AFTERNOON. WESTERLY WINDS WILL INCREASE TO AROUND 8  
TO 13 MPH THIS AFTERNOON. QUIET WEATHER WILL CONTINUE OVER THE AREA INTO SATURDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING, THEN DECREASING CLOUDS  
IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........WEST WINDS UP TO 10 MPH IN THE MORNING, INCREASING  
TO 8 TO 13 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 1100-2500 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST 3 TO 8 MPH INCREASING TO AROUND 18 MPH  
LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR IN THE EARLY MORNING, BECOMING GOOD BY THE  
AFTERNOON.  
HAINES INDEX........4 TO 5 OR (LOW) TO (MODERATE).  
 
TIME (MST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........82 78 74 57 39 22 14 9  
CWR.............0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1  
TEMP............32 36 41 46 49 50 47 43  
RH..............57 50 43 37 34 33 37 41  
20 FT WIND DIR..SW W W W W W W W  
20 FT WIND SPD..5 6 7 9 11 12 13 11  
20 FT WIND GUST.6 6 10 14 15 15 15 15  
MIX HGT (KFT)...0.3 0.5 0.6 1.2 1.8 2.5 1.8 1.1  
TRANSP WIND DIR.SW SW W W W W W W  
TRANSP WIND SPD.3 6 8 15 16 18 18 18  
HAINES INDEX....5 5 5 5 4 4 4 4  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 23.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS UP TO 8 MPH IN THE EARLY EVENING  
BECOMING LIGHT OVERNIGHT.  
MIXING HEIGHT.......100-400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 7 MPH.  
SMOKE DISPERSAL.....POOR (600 KNOT-FT).  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 49.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS IN THE EARLY MORNING BECOMING SOUTH  
TO SOUTHWEST AT 4 TO 8 MPH MID-DAY INTO THE AFTERNOON.  
MIXING HEIGHT.......100-1100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (500 KNOT-FT).  
HAINES INDEX........4 TO 5 OR (LOW) TO (MODERATE).  
 

 
FORECASTER...SCHILD  
REQUESTED BY...TERRANCE J. HODGKISS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1719528.0/BIS  
.EMAIL TERRANCE.HODGKISS@BIA.GOV  
 
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