FNUS73 KFGF 191212 FWSFGF SPOT FORECAST FOR TRIMMER...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 712 AM CDT WED MAY 19 2010 FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON MAY 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... EXPECT SUNNY AND DRY CONDITIONS TODAY AT THE PRESCRIBED BURN SITE. LIGHT SOUTH-SOUTHEAST WIND EARLY THIS MORNING WILL INCREASE FROM THE SOUTH BY 10 AM AND CONTINUE THROUGH THE AFTERNOON WITH OCCASIONAL GUSTS AROUND 20 MPH. WITH A HIGH TEMPERATURE IN THE UPPER 70S AND DRY AIR ALOFT...EXPECT MINIMUM RH VALUES AROUND 25 PERCENT. AFTERNOON SMOKE DISPERSION WILL BE VERY GOOD TO EXCELLENT. .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....76-81. MIN HUMIDITY........20-25 PERCENT. WIND (20 FT)........SOUTH WINDS 11 TO 16 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 7600-8600 FT AGL. MIXING WINDS........SOUTH 20 TO 22 MPH. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........13 14 14 14 13 13 WEATHER COV..... WEATHER TYPE.... TEMP............74 76 77 78 78 78 RH..............30 27 25 25 25 26 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..14 14 14 14 14 12 20 FT WIND GUST.20 20 20 20 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....50-55. MAX HUMIDITY........69-74 PERCENT. WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH. MIXING HEIGHT.......7900 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........SOUTH 14 TO 20 MPH DECREASING TO 9 TO 10 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........13 13 14 14 14 14 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............77 72 64 59 56 53 RH..............28 34 46 55 62 69 20 FT WIND......S 11 S 8 S 7 S 8 S 7 S 7 20 FT WIND GUST.15 15 10 15 10 10 $$ FORECASTER...ROGERS REQUESTED BY...CHRIS ROED TYPE OF REQUEST...PRESCRIBED .TAG 20100519.TRIMM.01/FGF