FNUS73 KFSD 041035 FWSFSD SPOT FORECAST FOR LITTLE STORM LAKE WMA...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 535 AM CDT WED APR 4 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SURFACE HIGH PRESSURE WILL MOVE EASTWARD ACROSS ONTARIO TODAY...WITH AN UPPER LEVEL LOW FOUND ACROSS THE SOUTHERN PLAINS. THE SURFACE HIGH WILL GIVE NORTHEAST WINDS EARLY TODAY...GRADUALLY VEERING TO THE EAST BY MIDDAY. WIND SPEEDS SHOULD BE MODERATE...INCREASING TO THE 13 TO 20 MPH RANGE IN THE LATE MORNING AND AFTERNOON. HOWEVER... THERE MAY BE A FEW GUSTS AS HIGH AS 23 TO 24 MPH AS MIXING TAKES HOLD THIS AFTERNOON. NO RAIN IS EXPECTED...BUT IT MAY REMAIN MOSTLY CLOUDY THROUGHOUT THE DAY. THEREFORE HIGH TEMPERATURES AROUND 63 OR 64 DEGREES MAY BE TOUGH TO REACH IF BREAKS IN THE CLOUDS DO NOT DEVELOP THIS AFTERNOON. IF THAT HAPPENS...IT WILL BE COOLER AND THE MINIMUM HUMIDITY VALUES WILL BE HIGHER...PROBABLY AROUND 35 PERCENT INSTEAD OF 28 PERCENT. MIXING HEIGHTS ARE FAIRLY HIGH TODAY DESPITE THE CLOUD COVER DUE TO LOW LEVEL DRY AIR. THEREFORE SMOKE DISPERSION SHOULD NOT BE A PROBLEM. ON THURSDAY...WINDS WILL BE FROM THE EAST INCREASING TO 15 TO 20 MPH BY AFTERNOON. MINIMUM HUMIDITY VALUES ON THURSDAY SHOULD DROP TO ABOUT 25 PERCENT. .TODAY... MAX TEMPERATURE.....61-66. MIN HUMIDITY........28 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC % SKY COVER.....85 81 77 73 69 65 61 64 66 68 70 72 WEATHER COV..... WEATHER TYPE.... TEMP............50 49 50 53 56 58 61 62 64 64 64 63 RH..............52 54 54 48 43 39 35 32 29 28 28 30 DEWPOINT........33 33 34 34 34 33 33 32 31 30 30 31 20 FT WIND DIR..ENE ENE ENE ENE ENE E E E E E E E 20 FT WIND SPD..8 8 12 15 16 16 15 15 16 16 15 13 20 FT WIND GUST. 15 20 22 23 21 21 24 23 20 15 SMOKE DISPERSAL.PR PR FR GD GD GD GD 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 0.8 1.4 2.0 2.4 2.9 3.4 3.8 4.2 4.6 4.7 4.7 TRANSP WIND DIR.NE ENE E E E E E E E E E E TRANSP WIND SPD.7 14 20 24 25 24 23 22 22 22 22 21 HAINES INDEX....2 2 2 2 2 3 3 3 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....39-44. MAX HUMIDITY........73 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY % SKY COVER.....74 74 74 74 67 61 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 59 56 52 48 44 RH..............32 39 45 52 60 70 DEWPOINT........32 34 35 35 35 35 20 FT WIND......E 12 E 9 E 9 E 9 E 9 E 10 20 FT WIND GUST.15 10 10 10 10 15 SMOKE DISPERSAL.EXCEL FAIR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 10 10 10 .THURSDAY... MAX TEMPERATURE.....59-64. MIN HUMIDITY........25 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......MCLDY PCLDY PCLDY PCLDY MCLEAR MCLEAR % SKY COVER.....54 45 35 26 22 18 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............42 47 54 58 62 62 RH..............73 53 38 32 25 25 DEWPOINT........34 31 29 28 26 26 20 FT WIND......E 12 E 13 E 13 E 14 E 15 E 15 20 FT WIND GUST.15 15 15 20 20 20 SMOKE DISPERSAL.POOR FAIR GOOD GOOD EXCEL EXCEL CHC OF PCPN (%).10 10 10 10 10 10 MIX HGT (FT)....300 1400 2600 3800 4800 5200 TRANSPORT WIND..E 14 ESE 21 ESE 23 E 20 E 17 E 17 HAINES INDEX....3 3 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...MJF REQUESTED BY...PETE HILDRETH TYPE OF REQUEST...PRESCRIBED .TAG 20120404.LITTL.01/FSD