FNUS73 KFGF 181236 FWSFGF SPOT FORECAST FOR KERTSONVILLE 2...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 736 AM CDT MON MAY 18 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WINDY DAY LIES AHEAD AS A COLD FRONT IS PREPARING TO PASS THROUGH THE REGION. THE FRONT...WHICH IS EXPECTED TO BE WELL ENOUGH SOUTH AND EAST OF THE CROOKSTON AREA BY THE PROPOSED BURN TIME...WILL ESTABLISH NORTHERLY WINDS AROUND 20 MPH THROUGH THE EARLY EVENING. WIND GUSTS OF 25 TO 30 MPH ARE LIKELY. THERE WILL BE SOME CLOUD COVER...BUT ENOUGH SUN TO SET UP DRY RH VALUES IN THE 30 PERCENT RANGE. SINCE IT WAS REALLY A DIFFICULT FORECAST TODAY...WITH TEMPS AND DEW POINTS DROPPING IN THE AFTERNOON...WOULD NOT BE SURPRISED IF THIS LATE MAY SUN SETS UP EVEN DRIER RH VALUES. IF THE RH VALUE COMES IN SIGNIFICANTLY LOWER...THE WEATHER MAY APPROACH CRITICAL CONDITIONS DUE TO THE WINDS. AN ISOLATED SHOWER IS POSSIBLE THIS AFTERNOON WITH LITTLE ACCUMULATION. SMOKE DISPERSION LOOKS GOOD. TOMORROW LOOKS DRY AND LESS WINDY. .TODAY... SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....64-69. MIN HUMIDITY........31-36 PERCENT. WIND (20 FT)........NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 2400-3200 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........WEST 15 TO 18 MPH SHIFTING TO THE NORTH 18 TO 24 MPH LATE IN THE MORNING. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........70 69 68 67 66 64 63 WEATHER COV..... ISO ISO ISO ISO ISO ISO WEATHER TYPE.... RW RW RW RW RW RW TEMP............66 66 66 64 61 58 55 RH..............41 38 38 37 36 38 41 20 FT WIND DIR..NW N N N N N N 20 FT WIND SPD..12 15 17 18 18 18 17 20 FT WIND GUST.20 25 25 30 30 30 25 .TONIGHT... MIN TEMPERATURE.....30-35. MAX HUMIDITY........71-76 PERCENT. WIND (20 FT)........NORTHEAST WINDS 14 TO 19 MPH. GUSTS UP TO 25 MPH IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............52 45 39 36 34 33 RH..............42 50 60 68 71 74 20 FT WIND......N 17 N 14 N 11 NE 10 NE 10 NE 10 20 FT WIND GUST.25 20 20 15 15 15 .TUESDAY... MAX TEMPERATURE.....60-65. MIN HUMIDITY........21-26 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH WITH GUSTS TO AROUND 20 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM TEMP............32 46 57 62 RH..............76 50 31 26 20 FT WIND......NE 10G15 E 11G20 E 11G20 E 11G20 $$ FORECASTER...GROCHOCINSKI REQUESTED BY...PATRICK WAGNER TYPE OF REQUEST...PRESCRIBED .TAG 20090518.KERTS.01/FGF