FNUS73 KFGF 201308 FWSFGF SPOT FORECAST FOR GLACIAL RIDGE...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 808 AM CDT FRI APR 20 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SKIES ARE FORECAST TO BECOME PARTLY CLOUDY LATER THIS MORNING...WITH TEMPERATURES CLIMBING INTO THE MID 50S THIS AFTERNOON. WITH A RIDGE OF HIGH PRESSURE IN PLACE TODAY ACROSS THE UPPER MIDWEST...WINDS WILL BE LIGHT. IT APPEARS NORTH TO NORTHEAST WINDS WILL GRADUALLY SHIFT TO THE NORTH AND WEST DURING THE AFTERNOON. HOWEVER...GIVEN THE LIGHT FLOW PROJECTED...SOME VARIABILITY IN WINDS IS EXPECTED DUE TO LOCAL EFFECTS. AT TIMES...WINDS MAY BE NEARLY CALM. RH VALUES ARE FORECAST TO FALL TO AROUND 25 PERCENT BY EARLY TO MID AFTERNOON. WITH THE LIGHT WINDS...SMOKE DISPERSAL IS EXPECTED TO BE IN THE FAIR CATEGORY THIS AFTERNOON. SHOWERS ARE POSSIBLE OVERNIGHT TONIGHT AND TOMORROW AS THE NEXT UPPER LEVEL SYSTEM APPROACHES. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....52-57. MIN HUMIDITY........22-27 PERCENT. WIND (20 FT)........NORTHEAST WINDS UP TO 5 MPH EARLY IN THE MORNING BECOMING LIGHT. MIXING HEIGHT.......300 FT AGL INCREASING TO 3900-4900 FT AGL. MIXING WINDS........WEST 2 TO 8 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........47 44 42 40 39 38 37 38 40 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............45 47 50 51 53 53 54 54 54 RH..............36 35 32 29 27 28 28 29 30 20 FT WIND DIR..N N N N N NW NW NW W 20 FT WIND SPD..4 4 4 4 4 4 4 3 2 20 FT WIND GUST.5 5 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....39-44. MAX HUMIDITY........84-89 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 10 MPH IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......1800-2800 FT AGL DECREASING TO 700-900 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 2 TO 10 MPH SHIFTING TO THE EAST 9 TO 15 MPH LATE IN THE EVENING. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........43 49 56 64 73 80 87 91 95 97 99 99 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TSTM COV........ TEMP............53 52 50 48 47 46 45 44 43 42 42 41 RH..............33 33 35 38 41 45 49 53 57 62 69 79 20 FT WIND DIR..W SW SE E E E E E SE SE SE E 20 FT WIND SPD..2 2 3 4 6 9 10 9 7 6 6 7 20 FT WIND GUST.5 5 5 5 10 15 15 15 10 10 10 10 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. MAX TEMPERATURE.....51-56. MIN HUMIDITY........58-63 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH IN THE MORNING BECOMING LIGHT...THEN BECOMING WEST UP TO 5 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......600-2400 FT AGL INCREASING TO 2200-2900 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHEAST 8 TO 17 MPH INCREASING TO 18 TO 20 MPH IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........99 96 88 76 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............41 45 51 53 RH..............87 89 70 63 20 FT WIND......E 7G10 E 6G10 SE 4G5 SW 3G5 $$ FORECASTER...MAKOWSKI REQUESTED BY...DARRIN FRANCO TYPE OF REQUEST...PRESCRIBED .TAG 20120420.GLACI.01/FGF