FNUS73 KFSD 231211 FWSFSD SPOT FORECAST FOR LAKE HENRY...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 711 AM CDT SUN MAY 23 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN ISOLATED SHOWER OR THUNDERSTORM WILL BE POSSIBLE ALONG THE INTERSTATE 29 CORRIDOR EARLY THIS MORNING WITH A FRONTAL BOUNDARY SITTING OVERHEAD...OTHERWISE BECOMING PARTLY CLOUDY AND WARM BY THIS AFTERNOON. THERE WILL BE BREEZY NORTHERLY WINDS THROUGH THE MORNING WITH THE FRONTAL PASSAGE...THOUGH WINDS SHOULD SLOWLY COME DOWN THROUGH THE AFTERNOON. THUNDERSTORMS WILL DEVELOP TONIGHT...MAINLY THROUGH THE JAMES RIVER VALLEY INTO THE MIDDLE BIG SIOUX RIVER VALLEY AS A WARM FRONT PUSHES NORTHWARD ACROSS THE AREA. .TODAY... MAX TEMPERATURE.....76-81. MIN HUMIDITY........48 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC MC MC MC MC MC PC PC PC PC PC PC % SKY COVER.....73 69 65 62 58 54 50 50 50 50 50 50 WEATHER COV..... WEATHER TYPE.... TEMP............63 63 65 67 70 73 75 77 78 78 79 79 RH..............78 72 70 67 61 55 51 49 48 48 48 48 DEWPOINT........56 54 55 56 56 56 56 56 56 57 57 58 20 FT WIND DIR..N N N N N N NNE N N N NNE ENE 20 FT WIND SPD..17 20 17 14 12 9 8 7 7 6 6 6 20 FT WIND GUST.25 30 25 20 15 10 10 SMOKE DISPERSAL.PR PR FR FR GD GD GD GD GD FR FR FR CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.6 1.0 1.3 2.1 2.9 3.7 3.5 3.4 3.3 3.0 2.7 TRANSP WIND DIR.N N N N N NNE NNE NNE NE NE ENE E TRANSP WIND SPD.23 23 23 23 22 21 20 16 14 12 9 9 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3 .TONIGHT... MIN TEMPERATURE.....63-68. MAX HUMIDITY........90 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......PCLDY MCLDY MCLDY MCLDY MCLDY MCLDY % SKY COVER.....50 53 55 58 61 65 WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............78 74 71 70 68 67 RH..............50 58 66 71 77 84 DEWPOINT........58 59 59 60 60 62 20 FT WIND......E 6 E 6 E 5 ESE 7 ESE 9 ESE 14 20 FT WIND GUST. 10 20 SMOKE DISPERSAL.FAIR POOR POOR POOR POOR POOR CHC OF PCPN (%).20 20 20 40 40 40 MIX HGT (FT)....2400 1200 500 300 300 300 TRANSPORT WIND..E 9 ESE 9 ESE 8 ESE 9 ESE 13 ESE 16 HAINES INDEX....3 2 2 3 3 3 $$ FORECASTER...JM REQUESTED BY...MADISON TYPE OF REQUEST...PRESCRIBED .TAG 20100523.LAKEH.01/FSD