FNUS73 KFSD 301323 FWSFSD SPOT FORECAST FOR DES MOINES SNA...MN DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 823 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.....66-71. MIN HUMIDITY........44 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......CDY CDY CDY MC MC MC MC PC PC PC PC PC % SKY COVER.....100 100 91 82 78 73 53 49 44 39 41 42 WEATHER COV.....PTY PTY WEATHER TYPE....FOG FOG TEMP............45 45 46 50 54 58 62 66 68 69 69 69 RH..............93 93 93 87 77 69 61 52 46 44 44 44 DEWPOINT........43 43 44 46 47 48 48 48 47 46 46 46 20 FT WIND DIR..SW WSW WSW W WSW WSW WSW WSW SW SW SW SW 20 FT WIND SPD..7 8 9 10 12 12 12 13 13 13 13 12 20 FT WIND GUST. 10 10 15 15 15 15 15 15 15 15 15 SMOKE DISPERSAL.PR PR PR PR FR GD GD GD EX EX EX EX 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 1.0 2.3 3.6 4.3 4.5 4.6 4.6 4.6 TRANSP WIND DIR.SW WSW WSW W WSW WSW WSW WSW WSW WSW WSW SW TRANSP WIND SPD.8 9 10 13 14 16 17 18 18 18 18 17 HAINES INDEX....3 3 3 3 3 4 4 4 4 4 4 5 .TONIGHT... MIN TEMPERATURE.....50-55. 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 81 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............68 63 59 57 56 54 RH..............46 57 68 75 81 93 DEWPOINT........47 48 48 49 50 52 20 FT WIND......SW 12 SSW 9 S 10 S 12 S 13 S 14 20 FT WIND GUST.15 10 15 15 15 20 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 10 10 10 MIX HGT (FT)....4600 300 300 300 300 300 TRANSPORT WIND..SW 16 SSW 12 S 10 S 14 S 15 S 16 HAINES INDEX....5 4 4 5 4 3 .TUESDAY... MAX TEMPERATURE.....76-81. MIN HUMIDITY........52 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......CLOUDY MCLDY MCLDY MCLDY % SKY COVER.....90 83 52 61 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............53 62 73 78 RH..............93 85 63 52 20 FT WIND......S 15G20 S 20G30 S 23G30 S 23G30 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.DESMO.01/FSD