FNUS73 KFSD 121254 FWSFSD SPOT FORECAST FOR SKADELAND...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 754 AM CDT TUE MAY 12 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... .DISCUSSION...STRONG SOUTH WINDS WILL SURFACE ACROSS THE AREA BY MID TO LATE MORNING...WITH AFTERNOON GUSTS TO 35 TO 45 MPH. TOWARD NOON... THERE WILL BE A CHANCE FOR SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS FOR A COUPLE HOURS...BUT CLOUDS WILL BECOME QUITE PREVALENT THROUGH THE AFTERNOON AS LOW LEVEL MOISTURE CONTINUES TO INCREASE. A COLD FRONT WILL PUSH THROUGH THE BURN AREA EARLY WEDNESDAY MORNING. JUST ALONG AND AHEAD OF THE FRONTAL BOUNDARY WILL BE THE NEXT CHANCE FOR RAINFALL...FOLLOWED BY STRONG NORTHWEST WINDS OF 20 TO 40 MPH THROUGH WEDNESDAY ALONG WITH RAPIDLY DRYING CONDITIONS. .TODAY... MAX TEMPERATURE.....64-69. MIN HUMIDITY........47 PERCENT. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............MC MC MC MC MC MC MC MC MC MC WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC WEATHER TYPE.... TSM TSM TSM TSM TSM TSM TSM TEMP (F)........56 59 61 62 63 63 64 66 67 67 RH (%)..........66 61 57 56 54 56 53 50 49 50 DEWPOINT (F)....45 45 46 46 46 47 47 47 47 48 20 FT WIND DIR..SSE S S S S S S S S S 20 FT WIND SPD..15 20 23 25 28 30 31 30 29 29 20 FT WIND GUST.22 28 30 35 35 40 40 40 40 40 DISPERSAL INDEX.FR FR GD GD EX EX EX EX EX EX CHC OF PCPN (%).10 10 30 30 40 40 40 40 30 30 MIX HGT (KFT)...0.6 1.0 1.3 1.7 2.1 2.5 2.8 3.1 3.4 2.3 TRANSP WIND DIR.S S S S S S S S S S TRANSP WIND SPD.32 35 36 38 39 40 43 45 46 46 HAINES INDEX....3 3 2 2 2 2 2 2 2 2 .TONIGHT... MIN TEMPERATURE.....54-59. MAX HUMIDITY........86 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............MCLDY MCLDY MCLDY PCLDY PCLDY MCLDY WEATHER COV.....CHANCE S CHC CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM NONE NONE TSTORM TSTORM TEMP (F)........66 64 61 60 59 58 RH (%)..........53 59 70 78 83 86 DEWPOINT (F)....48 50 51 53 54 54 20 FT WIND......S 28 S 25 S 22 SSE 20 SSE 18 SSE 18 20 FT WIND GUST.35 35 30 30 30 30 DISPERSAL INDEX.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).30 20 10 10 30 50 .WEDNESDAY... MAX TEMPERATURE.....66-71. MIN HUMIDITY........34 PERCENT. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY.............MCLDY MCLDY PCLDY PCLDY WEATHER COV.....CHANCE CHANCE S CHC WEATHER TYPE....TSTORM TSTORM TSTORM NONE TEMP (F)........57 61 66 68 RH (%)..........86 78 54 39 DEWPOINT (F)....53 54 49 42 20 FT WIND......SSE 14G20 WSW 15G20 WNW 22G30 WNW 25G35 DISPERSAL INDEX.POOR POOR GOOD EXCEL CHC OF PCPN (%).50 50 20 10 MIX HGT (FT)....300 900 2800 4700 TRANSPORT WIND..SSE 16 WSW 20 WNW 26 WNW 32 HAINES INDEX....3 3 3 4 $$ FORECASTER...CHAPMAN REQUESTED BY...JOHN MCCLEARY TYPE OF REQUEST...PRESCRIBED .TAG 20090512.SKADE.01/FSD