FNUS73 KFSD 291318 FWSFSD SPOT FORECAST FOR DU MARSH...IDNR-PRAIRIE LAKES UNIT NATIONAL WEATHER SERVICE SIOUX FALLS SD 818 AM CDT FRI MAY 29 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD FRONT THAT MOVED ACROSS THE AREA OVERNIGHT WILL WASH OUT AS WEAK HIGH PRESSURE WILL DRIFTS ACROSS THE AREA THIS AFTERNOON. WIND DIRECTION EXPECTED TO BE A BIT ERRATIC AND LIGHT TOWARDS MID DAY WITH THE HIGH CENTERED OVER THE AREA. LATE IN THE AFTERNOON... DEEPER MIXING SHOULD MAKE FOR MORE PREDOMINATELY NORTHWEST WIND DIRECTION...BUT MAY CONTINUE TO BE A BIT VARIABLE AND DEPENDANT ON ELEVATION...AS THERE IS NO STRONGLY FAVORED DIRECTION. BASICALLY COULD BE DEALING WITH UPSLOPE WINDS INTO THE AFTERNOON HOURS. .TODAY... MAX TEMPERATURE.....76-81. MIN HUMIDITY........29 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC WEATHER COV..... WEATHER TYPE.... TEMP............56 60 64 67 72 75 77 78 78 78 79 78 RH..............68 57 51 43 39 32 30 29 29 29 29 30 DEWPOINT........45 44 44 44 44 43 43 43 43 43 44 44 20 FT WIND DIR..NE NE NNE NNE NNE NNE VRB VRB N NNW NNW WNW 20 FT WIND SPD..7 7 8 8 5 4 4 3 3 2 3 5 20 FT WIND GUST.10 10 10 10 8 5 7 SMOKE DISPERSAL.PR PR PR PR FR FR FR FR GD GD GD GD CHC OF PCPN (%).20 20 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.6 0.9 1.2 2.2 3.2 4.2 4.9 5.5 6.2 6.2 6.2 TRANSP WIND DIR.NNE NNE NE NE NE NE NE NNE NW WNW W W TRANSP WIND SPD.9 9 12 13 12 9 8 8 8 9 10 12 HAINES INDEX....5 5 5 5 5 4 4 4 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....50-55. MAX HUMIDITY........89 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... SCTTRD WEATHER TYPE....NONE NONE NONE NONE NONE RNSHWR TEMP............76 67 59 56 54 53 RH..............33 47 64 74 80 86 DEWPOINT........45 46 47 48 48 49 20 FT WIND......WNW 6 WSW 5 SSW 6 SSW 7 SSW 2 SSW 0 20 FT WIND GUST. SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 10 10 30 MIX HGT (FT)....6200 2200 300 300 300 300 TRANSPORT WIND..W 12 SW 7 SSW 6 SSW 8 SSW 3 SSW 0 HAINES INDEX....5 5 5 5 4 4 .SATURDAY... MAX TEMPERATURE.....75-80. MIN HUMIDITY........29 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......MCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............55 70 76 78 RH..............83 47 34 30 DEWPOINT........50 49 46 44 20 FT WIND......S 1 N 13G15 NNW 15G25 NNW 15G20 SMOKE DISPERSAL.POOR GOOD EXCEL EXCEL CHC OF PCPN (%).10 10 0 0 MIX HGT (FT)....300 2800 4900 5500 TRANSPORT WIND..S 1 N 16 NNW 23 NNW 18 HAINES INDEX....3 3 3 4 $$ FORECASTER...LIEBL REQUESTED BY...STEVEN WOODRUFF TYPE OF REQUEST...PRESCRIBED .TAG 20090529.DUMAR.01/FSD