340  
FNUS73 KBIS 241843  
FWSBIS  
 
SPOT FORECAST FOR FY-022-17...ND-SRA  
NATIONAL WEATHER SERVICE BISMARCK ND  
143 PM CDT MON JUL 24 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 1400 CDT ON JULY 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
CLOUDS WILL BE DEPARTING AT THE INCIDENT SITE EARLY THIS AFTERNOON  
WITH TEMPERATURES WARMING RAPIDLY IN THEIR WAKE. HIGH TEMPERATURES  
WILL INCREASE TO THE UPPER 80S THIS AFTERNOON WITH MINIMUM RH  
VALUES RANGING FROM 45 TO 50 PERCENT. SUSTAINED WINDS AS HIGH 23  
MPH WILL BE POSSIBLE FROM THE SOUTHEAST THROUGH THE AFTERNOON WITH  
GUSTS AS HIGH AS 28 MPH. THERE WILL BE A VERY SLIGHT CHANCE OF A  
SHOWER OR THUNDERSTORM LATE THIS AFTERNOON OR THIS EVENING.  
 
A COLD FRONT WILL MOVE THROUGH TONIGHT, SHIFTING THE WIND TO THE  
NORTH WITH LOW TEMPERATURES IN THE MID 60S. THERE WILL BE A  
SLIGHT CHANCE OF A SHOWER OR THUNDERSTORM TUESDAY MORNING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 14 TO 23 MPH.  
MIXING HEIGHT.......3400-4600 FT AGL INCREASING TO 5500-5800 FT AGL LATE  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST AROUND 25 MPH.  
SMOKE DISPERSAL.....GOOD TO EXCELLENT (44800-75500 KNOT-FT).  
HAINES INDEX........3 TO 4 (VERY LOW) TO (LOW).  
 
TIME (CDT) 2PM 3PM 4PM 5PM  
SKY (%).........50 39 28 24  
CWR.............0 0 0 0  
CHC OF PCPN (%).0 0 10 10  
LAL.............3 3 3 3  
TEMP............81 83 85 86  
RH..............52 51 48 46  
20 FT WIND DIR..SE SE SE SE  
20 FT WIND SPD..19 22 23 18  
20 FT WIND GUST.25 28 28 24  
MIX HGT (KFT)...3.4 4.6 5.8 5.5  
TRANSP WIND DIR.SE SE SE SE  
TRANSP WIND SPD.25 25 25 25  
HAINES INDEX....4 3 3 3  
SDSPL KT-FT/100045 60 76 72  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 66.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........NORTH WINDS 5 TO 15 MPH.  
MIXING HEIGHT.......3500-5300 FT AGL DECREASING TO 300-1900 FT AGL  
IN THE LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 15 MPH SHIFTING TO THE NORTHEAST  
AROUND 1 MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....FAIR TO EXCELLENT (25300-68800 KNOT-FT)  
DECREASING TO POOR (300 KNOT-FT) IN THE LATE  
EVENING AND OVERNIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........21 17 20 22 25 14 9 20 19 17 18 27  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 10 0 0 0 10  
LAL.............3 1 1 1 1 1 1 1 1 1 1 1  
TEMP............86 85 82 79 76 74 73 72 71 70 68 67  
RH..............46 48 53 60 66 71 73 79 81 83 86 90  
20 FT WIND DIR..SE SE SE SE SE SE SE SE E NE NE N  
20 FT WIND SPD..15 13 11 10 8 8 8 7 7 6 6 6  
20 FT WIND GUST.20 20 15 15 15 15 15 10 10 10 10 10  
MIX HGT (KFT)...5.3 5.0 3.5 1.9 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3  
TRANSP WIND DIR.SE SE SE SE E E E SE SE SE NE NE  
TRANSP WIND SPD.15 15 15 15 7 7 7 6 6 6 1 1  
HAINES INDEX....3 3 3 4 4 4 5 5 5 6 6 6  
SDSPL KT-FT/100069 65 45 25 2 2 2 2 2 2 0 0  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS EARLY IN  
THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........NORTH WINDS UP TO 9 MPH.  
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 4900-5500 FT AGL.  
TRANSPORT WINDS.....NORTH 1 TO 3 MPH INCREASING TO NORTHEAST 12 TO  
14 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (300-38600 KNOT-FT) INCREASING TO  
GOOD TO EXCELLENT (58800-66100 KNOT-FT) IN THE  
AFTERNOON.  
HAINES INDEX........4 TO 6 (LOW) TO (HIGH).  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........39 55 63 68  
WEATHER COV..... S CHC S CHC  
WEATHER TYPE....NONE RNSHWR RNSHWR NONE  
TSTM COV........  
CWR.............0 0 0 0  
CHC OF PCPN (%).10 20 20 0  
LAL.............1 1 1 1  
TEMP............66 70 78 81  
RH..............93 83 59 43  
20 FT WIND......N 6G10 N 6G10 N 8G15 N 9G15  
MIX HGT (FT)....300 1300 3900 5300  
TRANSPORT WIND..NE 1 N 3 N 12 NE 14  
HAINES INDEX....5 6 5 5  
SDSPL KT-FT/10000 4 39 64  
 

 
FORECASTER...HARGROVE  
REQUESTED BY...TERRANCE HODGKISS  
TYPE OF REQUEST...WILDFIRE  
.TAG 1713292.0/BIS  
.EMAIL TERRANCE.HODGKISS@BIA.GOV  
 
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