FNUS73 KFSD 101438 FWSFSD SPOT FORECAST FOR GRAU WMA...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 938 AM CDT TUE MAY 10 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A BOUNDARY WILL PUSH ACROSS THE AREA TODAY...AND WILL MAKE WIND DIRECTION SOMEWHAT TRICKY AS IT APPROACHES THE STORM LAKE AREA IN THE AFTERNOON. NOT A HUGE DIFFERENCE IN WINDS AHEAD OF AND BEHIND THE SYSTEM...THOUGH SOUTHERLY WINDS EARLY IN THE DAY WILL TAKE ON A MORE SOUTHWESTERLY COMPONENT IN THE AFTERNOON. WILL BE BREEZY TODAY WITH SUSTAINED WINDS OF 15 TO 20 MPH WITH HIGHER GUSTS. RELATIVE HUMIDITY VALUES WILL BE AROUND 50 PERCENT IN THE EARLY AFTERNOON...FALLING TO AROUND 40 PERCENT BY LATE AFTERNOON. AFTERNOON TEMPERATURES WILL BE WELL ABOVE NORMAL...INTO THE LOWER 90S. MAY SEE A FEW SHOWERS AND THUNDERSTORMS DEVELOP OVER THAT AREA TONIGHT...WITH A BETTER CHANCE ON WEDNESDAY AFTERNOON. TEMPERATURES WILL BE A LITTLE COOLER ON WEDNESDAY...IN THE MID 80S...WITH HIGHER RH VALUES AND LIGHTER WINDS. .TODAY... MAX TEMPERATURE.....90-95. MIN HUMIDITY........38 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......PC PC MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR % SKY COVER.....28 27 24 21 18 16 14 14 15 15 16 17 WEATHER COV..... WEATHER TYPE.... TEMP............68 72 77 80 83 86 88 89 91 92 93 91 RH..............90 78 69 61 55 49 45 45 41 40 38 40 DEWPOINT........65 65 66 66 65 65 64 65 64 64 64 63 20 FT WIND DIR..SSE S SSW S S S S S S S S SSW 20 FT WIND SPD..9 15 18 18 15 15 15 17 20 21 18 15 20 FT WIND GUST.10 20 30 25 20 20 20 25 30 30 30 20 SMOKE DISPERSAL.PR FR GD GD GD GD GD EX EX EX EX EX CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.8 1.3 1.9 2.4 2.7 3.0 3.2 3.8 4.3 4.9 4.6 4.4 TRANSP WIND DIR.S S SSW SSW SSW S S S S S S SSW TRANSP WIND SPD.21 22 23 23 23 22 22 24 26 28 26 24 HAINES INDEX....6 6 6 6 6 5 5 4 4 3 4 4 .TONIGHT... MIN TEMPERATURE.....63-68. MAX HUMIDITY........81 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR PCLDY PCLDY PCLDY PCLDY PCLDY % SKY COVER.....18 27 37 46 47 48 WEATHER COV..... ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............89 80 75 72 70 68 RH..............42 54 64 71 73 78 DEWPOINT........63 62 62 62 61 61 20 FT WIND......SSW 12 S 7 S 3 SW 2 S 2 SSE 3 20 FT WIND GUST.15 5 5 SMOKE DISPERSAL.EXCEL POOR POOR POOR POOR POOR CHC OF PCPN (%).10 20 20 20 20 20 MIX HGT (FT)....4200 1600 300 300 300 300 TRANSPORT WIND..SSW 20 S 9 S 3 SW 2 S 2 SSE 3 HAINES INDEX....5 5 5 6 5 5 .WEDNESDAY... MAX TEMPERATURE.....82-87. MIN HUMIDITY........47 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......PCLDY MCLDY MCLDY MCLDY % SKY COVER.....50 53 56 66 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............67 74 78 83 RH..............81 71 64 51 DEWPOINT........61 64 65 63 20 FT WIND......ESE 5 SE 8G10 SSE 12G15 SSE 13G15 SMOKE DISPERSAL.POOR POOR GOOD EXCEL CHC OF PCPN (%).30 30 40 40 MIX HGT (FT)....300 800 3500 3000 TRANSPORT WIND..ESE 6 SE 15 SSE 21 SSE 36 HAINES INDEX....4 5 4 5 $$ FORECASTER...JM REQUESTED BY...CLINT MADDIX TYPE OF REQUEST...PRESCRIBED .TAG 20110510.GRAUW.01/FSD