FNUS73 KFSD 121433 FWSFSD SPOT FORECAST FOR MARTY SLASH...YANKTON AGENCY NATIONAL WEATHER SERVICE SIOUX FALLS SD 833 AM CST WED DEC 12 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SOUTH TO SOUTHWEST WIND WILL BE FOUND OVER YOUR AREA TODAY. WIND SPEEDS AT THE SURFACE WILL MOSTLY BE IN THE 10 TO 15 MPH RANGE... WITH SLIGHTLY STRONGER SPEEDS ABOVE THE SURFACE. DUE TO POOR MIXING POTENTIAL TODAY...SMOKE DISPERSAL ABOVE THE SURFACE WILL GENERALLY BE FAIR TO POOR. HOWEVER THE SMOKE SHOULD EVACUATE AT A PRETTY GOOD CLIP AT THE SURFACE DUE TO THE WIND SPEEDS...WITH SMOKE DRIFTING TO THE NORTH CARRIED BY THE SOUTH TO SOUTHWEST FLOW. MINIMUM HUMIDITY VALUES WILL FALL TO AROUND 37 PERCENT TODAY...BUT THAT WILL NOT BE UNTIL LATE AFTERNOON. HIGHER HUMIDITIES OF 40 TO 50 PERCENT WILL OCCUR DURING THE MIDDAY HOURS. .TODAY... MAX TEMPERATURE.....46-51. MIN HUMIDITY........37 PERCENT. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY COVER.......PC PC PC PC PC PC PC PC PC PC PC PC % SKY COVER.....37 26 27 28 28 29 30 29 29 28 28 27 WEATHER COV..... WEATHER TYPE.... TEMP............26 26 28 30 34 39 42 46 50 51 50 47 RH..............68 68 66 63 56 50 48 45 41 44 39 37 DEWPOINT........17 17 18 19 20 22 24 26 27 30 26 22 20 FT WIND DIR..SSW SSW SSW SSW SSW SSW SSW SSW S S S S 20 FT WIND SPD..13 13 12 12 12 12 12 12 10 10 9 9 20 FT WIND GUST.15 15 15 15 15 15 15 15 15 15 10 10 SMOKE DISPERSAL.PR PR PR PR PR PR PR PR FR PR PR PR CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.6 1.0 1.3 1.0 0.6 TRANSP WIND DIR.SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW S TRANSP WIND SPD.14 14 14 13 14 14 15 17 18 18 16 14 HAINES INDEX....5 5 6 6 6 5 5 5 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....21-26. MAX HUMIDITY........74 PERCENT. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY COVER.......PCLDY PCLDY MCLEAR MCLEAR PCLDY PCLDY % SKY COVER.....27 26 25 24 28 32 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............44 39 36 34 31 28 RH..............38 50 54 51 63 71 DEWPOINT........20 22 21 18 20 20 20 FT WIND......S 9 S 12 SSW 12 S 9 SW 9 WSW 8 20 FT WIND GUST.10 15 15 10 10 10 SMOKE DISPERSAL.POOR POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 .THURSDAY... MAX TEMPERATURE.....33-38. MIN HUMIDITY........54 PERCENT. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY COVER.......PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY % SKY COVER.....36 37 38 39 44 49 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............25 25 28 32 36 35 RH..............74 74 71 63 54 56 DEWPOINT........18 18 20 21 21 21 20 FT WIND......W 7 WNW 8 WNW 9 WNW 9 NW 7 NNW 5 20 FT WIND GUST. 10 10 10 SMOKE DISPERSAL.POOR POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 MIX HGT (FT)....300 300 300 300 700 700 TRANSPORT WIND..W 9 WNW 9 WNW 10 WNW 12 NW 13 NNW 9 HAINES INDEX....5 5 5 5 4 4 WEATHER TYPE ABBREVIATIONS 1) T = THUNDERSTORMS 2) R = RAIN 3) RW = RAIN SHOWERS 4) L = DRIZZLE 5) ZR = FREEZING RAIN 6) ZL = FREEZING DRIZZLE 7) S = SNOW 8) SW = SNOW SHOWERS 9) IP = ICE PELLETS 10) F = FOG 11) ZF = FREEZING FOG 12) IC = ICE CRYSTALS 13) H = HAZE 14) BS = BLOWING SNOW 15) K = SMOKE 16) BD = BLOWING DUST 17) FR = FROST $$ FORECASTER...MJF REQUESTED BY...KYLE GOLUS TYPE OF REQUEST...PRESCRIBED .TAG 20121212.MARTY.01/FSD