FNUS73 KFSD 040044 FWSFSD SPOT FORECAST FOR LITTLE STORM LAKE WMA...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 744 PM CDT TUE APR 3 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE WILL BRING LIGHTER EAST TO NORTHWEST WINDS TO THE AREA ON WEDNESDAY...ALTHOUGH GUSTS OR 20 TO 25 MPH ARE STILL EXPECTED IN THE STORM LAKE AREA...RESULTING IN EXCELLENT SMOKE DISPERSAL DURING THE LATE MORNING AND AFTERNOON. MINIMUM HUMIDITY VALUES WILL BE AROUND 30 PERCENT IN THE AFTERNOON. DRY WEATHER IS EXPECTED THROUGH FRIDAY...WITH THE NEXT CHANCE OF RAIN COMING FRIDAY NIGHT INTO SATURDAY AS LOW PRESSURE MOVES ACROSS THE NORTHERN PLAINS. INCREASING SOUTHERLY WINDS ARE EXPECTED AHEAD OF THE SYSTEM ON FRIDAY...HOWEVER HUMIDITY LEVELS SHOULD REMAIN IN THE 40-50 PERCENT RANGE. .WEDNESDAY... MAX TEMPERATURE.....58-63. MIN HUMIDITY........28 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......PC PC PC PC PC PC MC MC MC MC MC MC % SKY COVER.....44 45 47 48 49 50 51 56 61 66 61 55 WEATHER COV..... WEATHER TYPE.... TEMP............43 45 47 50 53 56 58 60 61 61 61 60 RH..............67 61 54 47 43 39 36 32 29 28 30 32 DEWPOINT........33 32 32 31 31 31 31 30 29 28 29 30 20 FT WIND DIR..NE ENE ENE ENE ENE ENE E E ENE ENE ENE ENE 20 FT WIND SPD..13 15 16 17 17 16 15 15 15 15 15 15 20 FT WIND GUST.15 20 25 25 25 25 20 20 20 20 20 20 SMOKE DISPERSAL.PR PR PR FR GD 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 0.5 0.8 2.0 3.1 4.2 4.4 4.6 4.8 4.9 4.9 TRANSP WIND DIR.NE ENE ENE ENE ENE E E E E E E E TRANSP WIND SPD.15 18 24 28 26 24 21 20 18 18 20 20 HAINES INDEX....4 4 4 4 4 4 4 4 3 3 3 4 .WEDNESDAY NIGHT... MIN TEMPERATURE.....38-43. MAX HUMIDITY........77 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY % SKY COVER.....50 47 44 42 38 35 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............58 54 51 49 44 42 RH..............37 42 49 58 69 77 DEWPOINT........32 32 33 35 35 35 20 FT WIND......ENE 15 ENE 13 E 12 E 12 E 12 E 12 20 FT WIND GUST.20 15 15 15 15 15 SMOKE DISPERSAL.EXCEL POOR POOR POOR POOR POOR .THURSDAY... MAX TEMPERATURE.....56-61. MIN HUMIDITY........31 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......PCLDY MCLEAR MCLEAR MCLEAR % SKY COVER.....32 25 18 17 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............41 46 56 59 RH..............75 56 38 31 DEWPOINT........34 32 31 29 20 FT WIND......E 13G15 E 16G25 E 14G20 E 13G15 SMOKE DISPERSAL.POOR FAIR GOOD EXCEL CHC OF PCPN (%).10 10 10 10 MIX HGT (FT)....300 1100 4400 5600 TRANSPORT WIND..E 15 E 24 E 16 E 15 HAINES INDEX....3 3 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...JH REQUESTED BY...PETE HILDRETH TYPE OF REQUEST...PRESCRIBED .TAG 20120404.LITTL.01/FSD