FNUS73 KFGF 061415 FWSFGF SPOT FORECAST FOR HOPSTEAD...USFWS-DETROIT LAKES NATIONAL WEATHER SERVICE GRAND FORKS ND 915 AM CDT WED MAY 6 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A LOW PRESSURE SYSTEM PUSHING EAST ACROSS MANITOBA WILL PRODUCE BREEZY CONDITIONS THIS AFTERNOON WITH THE POTENTIAL FOR SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. THERE SHOULD BE SOME GOOD MIXING OF WINDS AND AIR ALOFT TO BRING TO THE SURFACE. THE WINDS ARE LIKELY TO BE IN THE PROCESS OF SHIFTING FROM SOUTHWEST TO WEST AROUND IGNITION TIME...WITH A MORE WESTERLY DIRECTION BECOMING ESTABLISHED BY 1400. LOOK FOR A STEADY 15 MPH FROM THE WEST THEREAFTER...WITH GUSTS TO 25 MPH BY LATE AFTERNOON. THE FORECAST CALLS FOR A MINIMUM RH NEAR 30 OR 35 PERCENT DUE TO LIKELY SUNSHINE AND THE MIXING NEAR THE BURN TIME. WOULD NOT EXPECT MORE THAN A 0.05 INCH TOTAL RAINFALL IF ANY SHOWERS OR STORMS OCCUR THROUGH THE AFTERNOON. IF ANY STORMS OCCUR NEAR THE BURN SITE...THE WINDS COULD BECOME ERRATIC AND GUSTY. SMOKE DISPERSION DURING THE AFTERNOON WILL BE EXCELLENT. THERE IS A MINIMAL CHANCE THAT SHOWERS WILL LINGER INTO THE EVENING. THE WINDS WILL BEGIN TO RELAX AFTER 6 PM. .TODAY... SKY/WEATHER.........PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....68-73. MIN HUMIDITY........28-33 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......300-2000 FT AGL INCREASING TO 9900-11100 FT AGL. MIXING WINDS........WEST 7 TO 16 MPH INCREASING TO 17 TO 22 MPH IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........60 64 66 66 66 64 62 60 WEATHER COV..... SCT SCT SCT SCT SCT SCT WEATHER TYPE.... RW RW RW RW RW RW TEMP............59 62 66 68 69 69 70 70 RH..............60 47 40 37 36 36 33 33 20 FT WIND DIR..SW SW W W W W W W 20 FT WIND SPD..9 11 12 14 14 14 14 14 20 FT WIND GUST.15 20 20 20 25 25 25 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. MIN TEMPERATURE.....42-47. MAX HUMIDITY........77-82 PERCENT. WIND (20 FT)........WEST WINDS 8 TO 13 MPH. GUSTS UP TO 20 MPH EARLY IN THE EVENING. MIXING HEIGHT.......11700 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........WEST 14 TO 22 MPH DECREASING TO 9 TO 10 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........58 54 50 49 52 58 WEATHER COV.....S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............69 63 56 52 48 45 RH..............35 43 55 63 73 79 20 FT WIND......W 12 W 10 W 8 W 6 W 5 W 6 20 FT WIND GUST.20 15 15 10 10 10 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....63-68. MIN HUMIDITY........32-37 PERCENT. WIND (20 FT)........NORTHWEST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 9100-10100 FT AGL. MIXING WINDS........WEST 10 TO 17 MPH INCREASING TO NORTHWEST 22 TO 31 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........63 69 70 60 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE RNSHWR RNSHWR TEMP............44 53 61 65 RH..............81 58 44 38 20 FT WIND......W 7G10 W 11G20 W 15G25 NW 15G25 $$ FORECASTER...WJB REQUESTED BY...PAUL PLEMONS TYPE OF REQUEST...PRESCRIBED .TAG 20090506.HOPST.01/FGF