FNUS73 KFSD 181526 FWSFSD SPOT FORECAST FOR ELK LAKE RUDDICK...IDNR-PRAIRIE LAKES UNIT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1026 AM CDT WED MAY 18 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LOW PRESSURE WILL BE SITUATED WEST OF THIS AREA TODAY. THEREFORE THE 20 FOOT WIND DIRECTIONS WILL BE PRIMARILY OUT OF THE EAST... BUT WILL THEN BEGIN TO SHIFT TO AN EAST TO SOUTHEAST DIRECTION BY MID AFTERNOON. SPEEDS WILL LIKELY AVERAGE IN THE 15 TO 22 MPH RANGE THROUGH THE AFTERNOON HOURS. MINIMUM HUMIDITY VALUES WILL BE A BIT DRY...DROPPING DOWN TO NEAR 25 PERCENT BY LATE AFTERNOON. BECAUSE OF THE LOW HUMIDITIES AND RELATIVELY HIGH MIXING HEIGHT VALUES...CANNOT RULE OUT A FEW OCCASIONAL GUSTS AS HIGH AS 25 MPH IN THE MID TO LATE AFTERNOON. .TODAY... MAX TEMPERATURE.....66-71. MIN HUMIDITY........26 PERCENT. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR % SKY COVER.....8 11 14 17 17 18 19 20 20 WEATHER COV..... WEATHER TYPE.... TEMP............58 60 62 64 65 67 68 69 67 RH..............40 37 35 31 28 27 26 25 27 DEWPOINT........34 34 34 33 32 32 32 32 32 20 FT WIND DIR..E E E E E E ESE ESE ESE 20 FT WIND SPD..6 8 10 12 13 14 15 15 14 20 FT WIND GUST. 5 10 15 18 20 20 20 20 SMOKE DISPERSAL.FR FR GD GD GD GD EX EX EX CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...2.1 2.9 3.7 4.5 4.9 5.3 5.7 5.7 5.7 TRANSP WIND DIR.SE ESE E E E E E E E TRANSP WIND SPD.9 10 12 13 14 14 15 16 17 HAINES INDEX....5 5 4 4 4 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....46-51. MAX HUMIDITY........85 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR PCLDY PCLDY PCLDY MCLDY MCLDY % SKY COVER.....21 29 40 50 58 65 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............66 60 56 53 50 49 RH..............29 42 57 72 82 85 DEWPOINT........33 37 41 44 45 45 20 FT WIND......E 13 E 9 E 7 E 7 E 7 E 8 20 FT WIND GUST.15 10 10 SMOKE DISPERSAL.EXCEL POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 10 10 10 .THURSDAY... MAX TEMPERATURE.....67-72. MIN HUMIDITY........50 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......MCLDY MCLDY MCLDY MCLDY % SKY COVER.....72 76 81 83 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............51 61 67 69 RH..............84 65 51 51 DEWPOINT........46 49 48 50 20 FT WIND......E 9G10 E 15G20 ESE 18G25 ESE 20G30 SMOKE DISPERSAL.POOR FAIR EXCEL EXCEL CHC OF PCPN (%).10 10 10 10 MIX HGT (FT)....300 1600 3500 3100 TRANSPORT WIND..E 10 E 20 ESE 24 ESE 26 HAINES INDEX....3 3 3 3 $$ FORECASTER...MJF REQUESTED BY...LUCAS STRAW TYPE OF REQUEST...PRESCRIBED .TAG 20110518.ELKLA.01/FSD