FNUS73 KFSD 021318 FWSFSD SPOT FORECAST FOR STEVENSEN...THE NATURE CONSERVANCY NATIONAL WEATHER SERVICE SIOUX FALLS SD 818 AM CDT WED MAY 2 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... BOTH SURFACE AND TRANSPORT WIND SPEEDS WILL BE VERY LIGHT IN YOUR AREA THIS MORNING...AS YOU ARE CAUGHT RIGHT IN BETWEEN HIGH PRESSURE TO THE NORTH...AND LOW PRESSURE TO THE SOUTH. BY MIDDAY AND THROUGH THE AFTERNOON...IT APPEARS THE LOW TO THE SOUTH WILL BEGIN TO TAKEOVER THE WIND DIRECTION TO THE EAST TO SOUTHEAST WITH SPEEDS NEAR 10 MPH. BECAUSE OF THE LIGHT WINDS...SMOKE DISPERSION WILL NOT REACH THE FAIR CATEGORY UNTIL NOON...AND NOT GOOD UNTIL ABOUT 3 PM. THERE WILL BE A CHANCE FOR THUNDERSTORMS LATE TODAY WITH THE BETTER CHANCES TONIGHT. .TODAY... MAX TEMPERATURE.....81-86. MIN HUMIDITY........51 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......PC PC PC PC PC PC MC MC MC MC MC MC % SKY COVER.....34 37 40 43 47 50 53 56 59 62 65 69 WEATHER COV..... CHC CHC CHC WEATHER TYPE.... TSM TSM TSM TEMP............54 58 62 67 70 73 77 80 83 84 84 82 RH..............96 93 90 84 76 68 60 56 53 51 52 54 DEWPOINT........53 56 59 62 62 62 62 63 64 64 64 64 20 FT WIND DIR..ESE ESE ESE ESE ESE ESE SE ESE ESE E ESE SE 20 FT WIND SPD..1 2 3 3 5 6 6 7 8 8 9 9 20 FT WIND GUST. 5 5 10 10 10 10 SMOKE DISPERSAL.PR PR PR PR PR FR FR FR GD GD GD GD CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 30 30 30 MIX HGT (KFT)...0.3 0.5 0.8 1.1 1.7 2.3 2.9 3.3 3.7 4.1 4.1 4.1 TRANSP WIND DIR.ESE ESE SE SE SSE SSE SSE SSE SSE SSE SSE SSE TRANSP WIND SPD.1 2 5 6 7 8 9 12 13 14 13 12 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....59-64. MAX HUMIDITY........93 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLDY MCLDY MCLDY CLOUDY MCLDY MCLDY % SKY COVER.....72 78 84 90 82 74 WEATHER COV.....LIKELY LIKELY DEFNTE DEFNTE DEFNTE DEFNTE WEATHER TYPE....TSTORM TSTORM TSTORM RNSHWR RNSHWR RNSHWR TEMP............80 75 70 66 65 63 RH..............58 69 80 90 88 90 DEWPOINT........64 64 63 63 61 60 20 FT WIND......SSE 9 SE 8 SSE 7 S 5 SSE 7 S 6 20 FT WIND GUST.10 10 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).70 70 80 80 80 80 .THURSDAY... MAX TEMPERATURE.....76-81. MIN HUMIDITY........42 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......MCLDY MCLDY PCLDY PCLDY PCLDY MCLEAR % SKY COVER.....65 56 47 37 31 25 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 65 71 76 78 79 RH..............93 81 64 50 43 42 DEWPOINT........60 59 58 56 54 54 20 FT WIND......WSW 3 W 9 WNW 13 NW 13 NNW 13 NNW 12 20 FT WIND GUST.5 10 15 15 15 15 SMOKE DISPERSAL.POOR POOR FAIR GOOD GOOD GOOD CHC OF PCPN (%).10 10 10 10 10 10 MIX HGT (FT)....300 700 1700 3000 3600 3900 TRANSPORT WIND..WSW 5 W 15 W 20 WNW 17 NW 18 NNW 18 HAINES INDEX....5 4 4 4 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...SCOTT MOATS TYPE OF REQUEST...PRESCRIBED .TAG 20120502.STEVE.01/FSD