FNUS73 KFSD 301338 FWSFSD SPOT FORECAST FOR PRAIRIE COTEAU SNA...MN DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 838 AM CDT MON APR 30 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SKIES WILL GRADUALLY CLEAR THROUGH THE LATE MORNING HOURS..BUT 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 AROUND NOON...AND EXCELLENT THIS AFTERNOON. .TODAY... MAX TEMPERATURE.....66-71. MIN HUMIDITY........39 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......CDY CDY CDY MC MC MC PC PC PC PC PC PC % SKY COVER.....100 100 91 83 71 60 40 39 39 38 40 42 WEATHER COV.....PTY PTY WEATHER TYPE....FOG FOG TEMP............45 45 48 52 57 61 64 67 68 69 69 68 RH..............93 93 91 80 67 57 50 44 41 39 40 44 DEWPOINT........43 43 45 46 46 46 45 44 44 43 44 45 20 FT WIND DIR..SW SW WSW WSW W W W W WSW WSW SW SW 20 FT WIND SPD..8 9 9 10 10 12 13 14 14 14 14 12 20 FT WIND GUST.10 10 10 15 15 15 20 20 20 20 15 SMOKE DISPERSAL.PR PR PR PR FR GD EX EX EX EX EX EX CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.3 0.4 0.5 1.5 3.0 4.5 5.2 5.3 5.4 5.4 5.4 TRANSP WIND DIR.SW SW WSW WSW WSW WSW W WSW WSW WSW WSW SW TRANSP WIND SPD.9 12 14 16 18 22 23 22 20 17 16 15 HAINES INDEX....4 4 4 4 4 4 4 4 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....51-56. 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 MCLDY % SKY COVER.....44 41 38 35 63 82 WEATHER COV.....S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE TEMP............67 63 60 58 57 55 RH..............47 56 63 68 74 84 DEWPOINT........46 47 47 48 49 50 20 FT WIND......SW 10 S 10 S 10 S 14 S 15 S 16 20 FT WIND GUST.15 15 20 20 25 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 20 10 10 MIX HGT (FT)....5400 300 300 300 300 300 TRANSPORT WIND..SW 15 S 13 S 13 S 16 S 18 S 18 HAINES INDEX....5 5 5 4 3 3 .TUESDAY... MAX TEMPERATURE.....77-82. MIN HUMIDITY........49 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......CLOUDY MCLDY MCLDY MCLDY % SKY COVER.....93 73 60 67 WEATHER COV..... CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR TEMP............54 62 72 78 RH..............93 82 64 52 DEWPOINT........52 57 59 59 20 FT WIND......S 16G25 S 22G30 S 24G35 SSW 21G30 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...BRAD BOLDUAN TYPE OF REQUEST...PRESCRIBED .TAG 20120430.PRAIR.01/FSD