FNUS73 KFGF 011643 AAB FWSFGF SPOT FORECAST FOR LILLEMOEN...USFWS FERGUS FALLS NATIONAL WEATHER SERVICE GRAND FORKS ND 1143 AM CDT THU APR 1 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ...UPDATED FOR MUCH LOWER AFTERNOON RH... LOW PRESSURE MOVING OUT OF THE CENTRAL PLAINS WILL CONTINUE TO GENERATE AN EASTERLY FLOW OVER THE REGION TODAY. THERE WILL BE A RISK OF SHOWERS OVER WEST CENTRAL MINNESOTA WITH RAIN LIKELY IN THE NORTHERN RED RIVER VALLEY AND DEVILS LAKE BASIN. NORTHWEST MINNESOTA WILL BE IN THE TRANSITION ZONE BETWEEN STEADIER RAINS AND SHOWERS. DUE TO THE PRESENCE OF A DRY HIGH PRESSURE SYSTEM TO THE EAST OF THE REGION A DRY LOW LEVEL EASTERLY FLOW WILL MAKE THE AFTERNOON MINIMUM RH FORECAST ESPECIALLY DIFFICULT. THE LOWEST RH'S THIS AFTERNOON WILL BE WHERE PRECIPITATION HAS NOT YET FORMED AND THE THREAT FOR SHOWERS IS THE LOWEST. THIS WILL GENERALLY BE OVER WEST CENTRAL MINNESOTA AND EXTREME SOUTHEAST NORTH DAKOTA. DISPERSION WILL IMPROVE SOMEWHAT AS WINDS IN THE LOWER ATMOSPHERE CONTINUE TO INCREASE. AS THE LOW MOVES ACROSS WEST CENTRAL MINNESOTA THIS EVENING THERE IS A RISK OF THUNDERSTORMS. AS THE LOW CONTINUES NORTH AND EAST WINDS WILL TURN NORTHERLY...THEN DIMINISH OVERNIGHT. A SECONDARY COLD FRONT BEHIND THE LOW WILL VEER WINDS TO THE WEST FRIDAY BEFORE TURNING NORTH LATE FRIDAY. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....62-67. MIN HUMIDITY........26-31 PERCENT. WIND (20 FT)........EAST WINDS 12 TO 17 MPH. MIXING HEIGHT.......1900-3400 FT AGL INCREASING TO 2800-4100 FT AGL LATE IN THE AFTERNOON...THEN DECREASING TO 1500 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 18 TO 24 MPH. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........51 49 49 51 55 59 65 WEATHER COV..... WEATHER TYPE.... TEMP............57 58 60 62 64 63 61 RH..............32 31 31 32 33 35 40 20 FT WIND DIR..E E E E E E E 20 FT WIND SPD..12 14 14 15 15 15 14 20 FT WIND GUST.15 20 20 20 20 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....42-47. MAX HUMIDITY........87-92 PERCENT. WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......300-900 FT AGL. MIXING WINDS........NORTHEAST 16 TO 21 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........70 74 78 82 87 90 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............60 57 53 50 47 45 RH..............42 64 72 72 84 89 20 FT WIND......E 14 E 10 E 7 SE 6 SE 8 S 10 20 FT WIND GUST.20 15 10 10 15 15 .FRIDAY... SKY/WEATHER.........CLOUDY. CHANCE OF RAIN. MAX TEMPERATURE.....48-53. MIN HUMIDITY........61-66 PERCENT. WIND (20 FT)........NORTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 20 MPH. MIXING HEIGHT.......900-2700 FT AGL INCREASING TO 3000-3400 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........NORTHEAST AROUND 16 MPH SHIFTING TO THE NORTHWEST 12 TO 15 MPH EARLY IN THE MORNING. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........92 89 84 85 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RAIN RAIN RAIN RAIN TEMP............44 46 49 50 RH..............92 81 71 66 20 FT WIND......SW 12G20 W 11G20 NW 9G15 NW 9G15 $$ FORECASTER...EWENS REQUESTED BY...TROY TYPE OF REQUEST...PRESCRIBED .TAG 20100401.LILLE.01/FGF