964  
FNUS73 KBIS 051204  
FWSBIS  
 
SPOT FORECAST FOR CORNELL WPA...USFWS  
NATIONAL WEATHER SERVICE BISMARCK ND  
704 AM CDT WED JUN 5 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON JUNE 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SUNNY SKIES TODAY. LIGHT NORTHERLY WINDS THIS  
MORNING WILL BECOME LIGHT AND VARIABLE BY AROUND NOON. A WARM  
FRONT APPROACHING THE BURN SITE FROM THE WEST WILL RESULT IN WINDS  
BECOMING SOUTHWESTERLY AT LESS THAN 10 MPH BY MID-LATE AFTERNOON  
AS A WARM FRONT APPROACHES THE BURN SITE.  
 
THE WARM FRONT SHOULD REACH THE BURN SITE BY EARLY EVENING, WHEN  
SCATTERED THUNDERSTORMS ARE POSSIBLE IN THE VICINITY OF THE WARM  
FRONT. ERRATIC WINDS POSSIBLE IN THE VICINITY OF THE  
THUNDERSTORMS.  
 
HIGHS TODAY AROUND 80. RELATIVE HUMIDITY AS LOW AS 30 PERCENT  
TODAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........LIGHT NORTH WINDS THIS MORNING BECOMING  
VARIABLE AT NOON CDT. WINDS BECOMING  
SOUTHWEST AROUND 5-7 MPH BY MID-LATE  
AFTERNOON.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....WEST 6 TO 8 MPH.  
SMOKE DISPERSAL.....FAIR (26700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (47200 KNOT-FT) IN THE  
AFTERNOON.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........0 0 0 0 0 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
TEMP............73 74 76 78 79 80  
RH..............41 40 36 35 32 34  
20 FT WIND DIR..NE N W SW SW SW  
20 FT WIND SPD..4 3 3 4 5 6  
20 FT WIND GUST.7 7 8 9 9 9  
MIX HGT (KFT)...4.5 5.9 6.5 6.8 7.0 6.7  
TRANSP WIND DIR.N NW NW W W SW  
TRANSP WIND SPD.7 6 6 6 7 8  
HAINES INDEX....5 5 5 4 4 4  
SDSPL KT-FT/100027 30 33 34 42 47  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................1 INCREASING TO 2 EARLY IN THE EVENING.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........87 PERCENT.  
WIND (20 FT)........SOUTH TO SOUTHWEST WINDS 5 TO 8 MPH.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS TONIGHT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....WEST 7 TO 12 MPH.  
SMOKE DISPERSAL.....GOOD (57800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (300 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........7 15 39 51 63 63 51 29 12 8 9 9  
WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 10 20 20 20 20 20 20 20 20 20 20  
LAL.............1 1 2 2 2 2 2 2 2 2 2 2  
TEMP............80 78 75 70 66 64 63 62 62 61 60 59  
RH..............34 37 45 55 68 70 75 75 78 81 84 87  
20 FT WIND DIR..SW S S S S S SW SW SW SW SW W  
20 FT WIND SPD..6 7 6 6 6 6 7 7 8 7 6 6  
20 FT WIND GUST.10 10 9 9 9 9 9 11 10 9 8 7  
MIX HGT (KFT)...6.4 5.7 2.1 1.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.SW SW S SW SW S S S SW SW W W  
TRANSP WIND SPD.10 12 9 9 8 10 9 9 8 8 7 7  
HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 5  
SDSPL KT-FT/100058 57 17 9 1 1 1 0 0 0 0 0  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE MORNING. SLIGHT  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................2 DECREASING TO 1.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........41 PERCENT.  
WIND (20 FT)........WEST WINDS UP TO 6 MPH SHIFTING TO THE EAST 5  
TO 6 MPH LATE IN THE MORNING, THEN SHIFTING TO  
THE SOUTHEAST UP TO 9 MPH LATE IN THE MORNING.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE MORNING.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH SHIFTING TO THE  
SOUTHEAST 8 TO 10 MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....POOR (500 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (47600 KNOT-FT) IN THE  
AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........15 13 10 11  
WEATHER COV.....S CHC S CHC  
WEATHER TYPE....RNSHWR NONE NONE RNSHWR  
TSTM COV........S CHC  
CWR.............0 0 0 0  
CHC OF PCPN (%).20 10 10 20  
LAL.............2 1 1 1  
TEMP............59 67 77 82  
RH..............87 73 52 43  
20 FT WIND......SW 5G7 W 6G9 SE 5G8 SE 7G10  
MIX HGT (FT)....100 1000 3000 5200  
TRANSPORT WIND..NW 7 E 9 E 8 SE 8  
HAINES INDEX....5 5 5 5  
SDSPL KT-FT/10001 8 21 38  
 

 
FORECASTER...VINING  
REQUESTED BY...JASON WAGNER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1910415.0/BIS  
.DELDT 06/05/19  
.FORMATTERVERSION 1.0.26  
.EMAIL JASON_WAGNER@FWS.GOV  
 
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