FNUS73 KFSD 031226 FWSFSD SPOT FORECAST FOR HORRIGAN...SD GAME FISH AND PARKS NATIONAL WEATHER SERVICE SIOUX FALLS SD 726 AM CDT THU MAY 3 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK WIND SHIFT IS MOVING THROUGH THIS AREA. NORTHERLY WINDS WILL EVENTUALLY BECOME A LITTLE BRISK BY MIDDAY IN YOUR AREA OF CONCERN... BUT MOST GUSTS SHOULD STAY BELOW 25 MPH. THE NORTHERLY WINDS WILL USHER IN SOME RELATIVELY DRIER AIR HOWEVER...WITH MINIMUM HUMIDITY VALUES FALLING TO AROUND 45 PERCENT. MIXING POTENTIAL IS ABOUT NORMAL TODAY...WITH FAIR TO GOOD SMOKE DISPERSION BY THE MIDDAY AND AFTERNOON HOURS. THERE IS NOT MUCH OF A THREAT FOR RAIN TODAY... BUT FRIDAY OFFERS A BETTER CHANCE FOR THUNDERSTORMS...ESPECIALLY IN THE AFTERNOON. .TODAY... MAX TEMPERATURE.....75-80. MIN HUMIDITY........45 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC MC PC PC PC MCR MCR MCR MCR MCR MCR PC % SKY COVER.....58 56 46 37 31 25 20 21 22 23 25 27 WEATHER COV..... WEATHER TYPE.... TEMP............54 55 60 65 70 73 76 77 78 78 78 76 RH..............93 90 81 73 66 57 50 48 45 43 43 45 DEWPOINT........52 52 54 56 58 57 56 56 55 54 54 53 20 FT WIND DIR..NNW NNW N N N N N N N NNE NNE NNE 20 FT WIND SPD..13 10 9 9 10 13 14 14 13 12 12 13 20 FT WIND GUST.15 15 10 10 15 15 20 20 15 15 15 15 SMOKE DISPERSAL.PR PR PR PR PR FR FR GD GD GD GD GD CHC OF PCPN (%).10 10 10 0 0 0 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.3 0.4 0.5 1.1 1.7 2.4 3.1 3.9 4.6 4.0 3.3 TRANSP WIND DIR.WNW WNW W WSW WSW W W W WNW WNW NW NNW TRANSP WIND SPD.8 9 9 10 12 13 14 15 15 16 18 21 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 4 .TONIGHT... MIN TEMPERATURE.....53-58. MAX HUMIDITY........89 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......PCLDY PCLDY MCLDY MCLDY MCLDY MCLDY % SKY COVER.....30 41 52 63 67 71 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............74 68 62 59 59 57 RH..............48 60 70 73 75 83 DEWPOINT........53 53 52 51 51 52 20 FT WIND......NNE 12 NE 9 ENE 8 ENE 8 ENE 8 ENE 9 20 FT WIND GUST.15 10 10 10 10 10 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 20 20 20 .FRIDAY... MAX TEMPERATURE.....75-80. MIN HUMIDITY........52 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY % SKY COVER.....75 70 65 60 58 55 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............56 60 68 76 78 78 RH..............86 84 70 60 60 60 DEWPOINT........52 55 58 61 63 63 20 FT WIND......ENE 9 E 9 ESE 8 SE 7 SE 7 ESE 7 20 FT WIND GUST.10 10 10 SMOKE DISPERSAL.POOR FAIR FAIR FAIR FAIR FAIR CHC OF PCPN (%).40 40 40 50 50 50 MIX HGT (FT)....300 900 1500 1900 2500 2600 TRANSPORT WIND..NE 7 NE 20 ENE 24 E 16 E 9 ENE 8 HAINES INDEX....5 4 4 4 3 3 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...RYAN WENDINGER TYPE OF REQUEST...PRESCRIBED .TAG 20120503.HORRI.01/FSD