FNUS73 KFSD 121052 FWSFSD SPOT FORECAST FOR HERTING...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 552 AM CDT SAT MAY 12 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SURFACE HIGH PRESSURE WILL BUILD ACROSS THE AREA TODAY AND TONIGHT...THEN SETTLE SOUTHWARD AND ALLOW A WEST TO SOUTHWEST FLOW AND WARMING TO EXPAND INTO THE REGION ON SUNDAY. MIDDAY AND AFTERNOON MIXING DEPTHS WILL BE HIGH FOR THE NEXT SEVERAL DAYS...HOWEVER...WEAK WINDS TODAY WILL KEEP SMOKE DISPERSION POOR TO FAIR. .TODAY... MAX TEMPERATURE.....63-68. MIN HUMIDITY........29 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MCR MCR MCR MCR CLR CLR CLR CLR CLR CLR CLR CLR % SKY COVER.....20 16 11 7 5 2 0 0 0 0 0 0 WEATHER COV.....PTY WEATHER TYPE....FOG TEMP............41 44 49 53 58 60 62 64 65 66 66 65 RH..............85 74 61 50 42 37 33 31 30 29 29 30 DEWPOINT........37 36 36 36 35 34 33 33 33 33 33 33 20 FT WIND DIR..NW NNW N N N NNE NNE N NW WNW NW NNW 20 FT WIND SPD..0 1 2 2 2 2 2 2 1 1 2 3 20 FT WIND GUST. 5 5 SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR FR FR FR CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.6 0.9 1.2 2.6 3.9 5.3 5.6 5.9 6.1 6.1 6.1 TRANSP WIND DIR.WNW NNW NNE ENE NE NE NNE NNE NNW NW NNW NNW TRANSP WIND SPD.0 2 5 5 5 2 1 1 2 3 3 3 HAINES INDEX....5 5 5 5 5 4 4 4 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....38-43. MAX HUMIDITY........73 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR % SKY COVER.....0 0 0 0 0 0 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............63 56 49 45 44 41 RH..............32 43 56 65 62 70 DEWPOINT........33 34 34 34 32 32 20 FT WIND......N 3 N 1 N 0 NNW 0 WSW 1 SSW 2 20 FT WIND GUST.5 SMOKE DISPERSAL.FAIR POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 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...CHAPMAN REQUESTED BY...FMS TYPE OF REQUEST...PRESCRIBED .TAG 20120512.HERTI.01/FSD