FNUS73 KFSD 301320 FWSFSD SPOT FORECAST FOR HAWK VALLEY SIEH...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 820 AM CDT MON APR 30 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ALTHOUGH SKIES WILL CLEAR THROUGH THE MID MORNING HOURS..WEAK WINDS ACROSS THE REGION WILL RESULT IN POOR MIXING CONDITIONS. A STRENGTHENING SOUTH TO SOUTHWEST PRESSURE GRADIENT WILL ALLOW FOR DECENT MIXING AND WARMER CONDITIONS THIS AFTERNOON. AS A RESULT... POOR SMOKE DISPERSION WILL BECOME GOOD BY LATE MORNING...AND EXCELLENT THIS AFTERNOON. .TODAY... MAX TEMPERATURE.....67-72. MIN HUMIDITY........46 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......CDY PC PC PC PC MC MC MC MC PC PC PC % SKY COVER.....100 27 29 30 44 57 71 62 52 43 38 34 WEATHER COV.....PTY PTY WEATHER TYPE....FOG FOG TEMP............45 45 47 50 54 58 63 67 69 70 70 69 RH..............93 93 93 86 78 72 62 54 49 46 46 47 DEWPOINT........43 43 45 46 47 49 50 50 49 48 48 48 20 FT WIND DIR..W W SW SW SW SW SW SW SW SW SW SSW 20 FT WIND SPD..6 7 8 9 9 10 10 12 13 13 13 12 20 FT WIND GUST. 10 10 10 15 15 15 15 15 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 0 0 0 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.6 1.4 2.3 2.9 3.1 3.3 3.3 3.3 TRANSP WIND DIR.W W SW SW SW SW SW SW SW SW SW SW TRANSP WIND SPD.7 8 9 10 10 12 12 13 15 16 17 17 HAINES INDEX....3 3 3 3 3 4 4 4 3 3 4 4 .TONIGHT... MIN TEMPERATURE.....52-57. MAX HUMIDITY........93 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......PCLDY PCLDY PCLDY PCLDY MCLDY CLOUDY % SKY COVER.....29 33 37 41 68 88 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............68 63 60 58 57 55 RH..............49 58 65 72 78 91 DEWPOINT........48 48 48 49 50 52 20 FT WIND......SSW 12 S 10 S 10 S 12 S 12 S 13 20 FT WIND GUST.15 15 15 15 15 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 10 10 10 MIX HGT (FT)....3300 300 300 300 300 300 TRANSPORT WIND..SSW 17 S 13 S 12 S 14 S 13 S 14 HAINES INDEX....5 4 4 3 3 3 .TUESDAY... MAX TEMPERATURE.....78-83. MIN HUMIDITY........50 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......CLOUDY MCLDY MCLDY MCLDY % SKY COVER.....100 83 51 52 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............55 63 75 80 RH..............93 86 61 51 DEWPOINT........53 58 60 60 20 FT WIND......S 13G15 S 17G25 S 22G30 S 23G30 SMOKE DISPERSAL.POOR POOR GOOD EXCEL 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...BT REQUESTED BY...STEVE WOODRUFF TYPE OF REQUEST...PRESCRIBED .TAG 20120430.HAWKV.01/FSD