FNUS73 KFGF 231450 FWSFGF SPOT FORECAST FOR COPPER CITY 2...MN-RLA NATIONAL WEATHER SERVICE GRAND FORKS ND 950 AM CDT THU APR 23 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STRONG COLD FRONT WILL SWEEP THROUGH THE AREA TODAY. BREEZY SOUTH/SOUTHWEST WINDS AHEAD OF THE FRONT WILL SHIFT TO THE NORTH BEHIND THE SYSTEM. BEST ESTIMATED POSITION OF THE COLD FRONT WILL BE NEAR THE BURN AREA AROUND 4 PM. BY THE TIME OF COLD FRONT PASSAGE TEMPERATURES WILL BE IN THE MID 70S. LIKEWISE...MINIMUM HUMIDITIES WILL RANGE AROUND 25 PERCENT. ANY LOCALIZED CHANGES IN TEMPERATURE OR DEWPOINTS WILL CAUSE CORRESPONDING CHANGES IN HUMIDITIES...AND CONDITIONS MAY APPROACH CRITICAL CRITERIA AS A RESULT. SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON ALONG WITH THE FRONTAL PASSAGE. OTHERWISE...RAIN OR A RAIN/SNOW MIX WILL OCCUR BEHIND THE FRONT TONIGHT INTO FRIDAY NIGHT. .TODAY... SKY/WEATHER.........PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....70-75. MIN HUMIDITY........21-26 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......900-2600 FT AGL INCREASING TO 1600-3100 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........SOUTH 17 TO 26 MPH. TIME (CDT) 1 PM 3 PM 5 PM SKY (%).........50 59 69 WEATHER COV.....SCTTRD SCTTRD SCTTRD WEATHER TYPE....RNSHWR RNSHWR RNSHWR TEMP............68 71 73 RH..............26 27 31 20 FT WIND......S 15 S 14 SE 12 20 FT WIND GUST.25 20 15 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....38-43. MAX HUMIDITY........77-82 PERCENT. WIND (20 FT)........NORTH WINDS 11 TO 16 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. MIXING HEIGHT.......800-2300 FT AGL. MIXING WINDS........SOUTHWEST 15 TO 22 MPH INCREASING TO NORTH 30 TO 38 MPH EARLY IN THE EVENING...THEN DECREASING TO 28 TO 33 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........75 75 73 72 77 84 WEATHER COV.....CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............72 64 56 50 45 42 RH..............35 45 58 68 76 79 20 FT WIND......SE 9 SE 12 E 14 NE 16 NE 16 N 15 20 FT WIND GUST.15 15 20 20 20 20 .FRIDAY... SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS. MAX TEMPERATURE.....42-47. MIN HUMIDITY........60-65 PERCENT. WIND (20 FT)........NORTH WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......1600-3400 FT AGL INCREASING TO 3600-4100 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTH 26 TO 35 MPH DECREASING TO 18 TO 24 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........89 89 87 85 86 89 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............40 41 43 44 45 45 RH..............82 79 72 69 65 64 20 FT WIND......N 15 N 16 N 17 N 17 N 17 N 16 20 FT WIND GUST.20 20 25 25 25 20 $$ FORECASTER...HOPKINS REQUESTED BY...GREG PETERSON TYPE OF REQUEST...PRESCRIBED .TAG 20090423.COPPE.01/FGF