FNUS73 KFGF 261437 FWSFGF SPOT FORECAST FOR TNC-PN-WEST...NATURE CONSERVANCY NATIONAL WEATHER SERVICE GRAND FORKS ND 937 AM CDT MON APR 26 2010 FORECAST IS BASED ON IGNITION TIME OF 1330 CDT ON APRIL 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... PARTLY SUNNY SKIES ARE EXPECTED BY BURN TIME...WITH AN INCREASING AMOUNT OF SUNSHINE THROUGH THE AFTERNOON. ANTICIPATE LIGHT WINDS FROM THE EAST AT BURN TIME...SLOWLY BECOMING NORTHEAST BY THE LATE AFTERNOON. THE DIRECTION COULD BE UNRELIABLE UNTIL ABOUT 4 PM WHEN IT BECOMES MORE STEADY...SO PREPARE FOR SOME EARLY VARIABILITY IN DIRECTION. THE GOOD MIXING HEIGHTS WILL HELP DRAW DOWN SOME GUSTS AROUND 10 TO 15 MPH...AS WELL AS DRIER AIR FROM ALOFT. RELATIVE HUMIDITY SHOULD REACH A MINIMUM NEAR 20 PERCENT...BUT COULD BE 5 PERCENT HIGHER IF THE MIXING FAILS TO MEET EXPECTATIONS. SMOKE DISPERSION WILL BE EXCELLENT. .TODAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....61-66. MIN HUMIDITY........17-22 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 7400-9300 FT AGL. MIXING WINDS........NORTHEAST 8 TO 13 MPH. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........72 70 65 57 49 41 34 WEATHER COV..... WEATHER TYPE.... TEMP............57 59 61 62 63 63 63 RH..............37 33 31 27 24 22 23 20 FT WIND DIR..E E E E NE NE NE 20 FT WIND SPD..5 5 5 5 6 7 8 20 FT WIND GUST. 10 10 10 10 15 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....37-42. MAX HUMIDITY........61-66 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......9400 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTHEAST 5 TO 13 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........28 24 23 22 15 8 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 58 52 46 42 39 RH..............25 27 45 62 63 65 20 FT WIND......NE 8 NE 7 NE 6 NE 5 NE 4 NE 3 20 FT WIND GUST.10 10 10 5 5 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....65-70. MIN HUMIDITY........16-21 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT.......300 FT AGL INCREASING TO 8900-9800 FT AGL. MIXING WINDS........NORTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........5 16 31 42 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............40 52 65 67 RH..............66 45 24 22 20 FT WIND......NE 3G5 N 3G5 W 3G5 W 3G5 $$ FORECASTER...HOPKINS REQUESTED BY...MATT MECKLENBURG TYPE OF REQUEST...PRESCRIBED .TAG 20100426.TNCPN.01/FGF