FNUS73 KFSD 111446 FWSFSD SPOT FORECAST FOR MARTY SLASH...YANKTON AGENCY NATIONAL WEATHER SERVICE SIOUX FALLS SD 846 AM CST TUE DEC 11 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A COLD FRONT WHICH IS SPAWNING SOME FLURRIES THIS MORNING WILL STAY TO THE EAST OF YOUR AREA. THEREFORE THIS AFTERNOON...A DECREASE IN CLOUDS SHOULD BE IN STORE WITH THE CHILLIER AIR STAYING TO YOUR EAST. IN FACT...TEMPERATURES SHOULD WARM INTO THE LOWER TO MID 30S AT YOUR LOCATIONS. WINDS BOTH AT THE SURFACE AND OFF THE GROUND WILL BE WESTERLY THIS MORNING AND THROUGH MIDDAY...SETTLING INTO A 8 TO 15 MPH RANGE. HOWEVER BY MID AFTERNOON...THE WINDS WILL BE FROM THE SOUTHWEST AND BY LATE AFTERNOON...THEY WILL BECOME MORE SOUTHERLY. MIXING WILL BE POOR TODAY GIVING POOR SMOKE DISPERSAL. MINIMUM HUMIDITY VALUES THIS AFTERNOON WILL FALL TO ABOUT 60 TO 65 PERCENT. .TODAY... MAX TEMPERATURE.....33-38. MIN HUMIDITY........66 PERCENT. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY COVER.......MC MC MC MC MC MC MC MC PC PC PC PC % SKY COVER.....77 76 74 73 69 65 60 53 46 39 33 26 WEATHER COV..... WEATHER TYPE.... TEMP............22 23 25 26 28 30 31 33 35 35 33 29 RH..............84 84 84 85 78 69 66 66 61 64 66 72 DEWPOINT........18 19 21 22 22 21 21 23 23 24 23 21 20 FT WIND DIR..W W W W W W W W WSW SW SW SSW 20 FT WIND SPD..9 9 9 9 10 12 12 10 10 9 8 8 20 FT WIND GUST.10 10 10 10 15 15 15 15 15 10 10 10 SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR PR PR PR CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.5 0.7 0.9 0.9 0.8 0.7 0.6 0.4 TRANSP WIND DIR.W W W W W W W WSW SW SW SW SSW TRANSP WIND SPD.12 10 10 10 13 15 16 16 15 14 13 10 HAINES INDEX....3 3 3 3 4 4 5 5 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....14-19. MAX HUMIDITY........92 PERCENT. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY COVER.......MCLEAR PCLDY PCLDY PCLDY PCLDY PCLDY % SKY COVER.....20 26 32 38 34 30 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............25 21 21 23 23 23 RH..............81 92 88 77 77 74 DEWPOINT........20 19 18 17 17 16 20 FT WIND......S 8 S 9 S 10 S 12 S 12 SSW 12 20 FT WIND GUST.10 10 15 15 15 15 SMOKE DISPERSAL.POOR POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 .WEDNESDAY... MAX TEMPERATURE.....42-47. MIN HUMIDITY........51 PERCENT. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY COVER.......PCLDY MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR % SKY COVER.....26 24 22 20 20 20 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............23 23 24 30 42 43 RH..............77 81 88 85 57 55 DEWPOINT........17 18 21 26 28 28 20 FT WIND......SSW 12 SSW 12 SSW 12 SSW 14 S 14 S 13 20 FT WIND GUST.15 15 15 20 20 20 SMOKE DISPERSAL.POOR POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 MIX HGT (FT)....300 300 300 300 500 500 TRANSPORT WIND..SSW 14 SSW 13 SSW 14 SSW 16 S 20 S 18 HAINES INDEX....4 5 5 5 5 5 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 20121211.MARTY.01/FSD