FNUS73 KFSD 111143 FWSFSD SPOT FORECAST FOR LAKE AUGUSTA S...U.S. FISH & WILDLIFE NATIONAL WEATHER SERVICE SIOUX FALLS SD 643 AM CDT MON MAY 11 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... RELATIVELY DRY AIR ACROSS SOUTHWEST MINNESOTA WILL ALLOW RELATIVELY COOL TEMPERATURES TO REBOUND QUICKLY THIS MORNING. AS TEMPERATURES WARM TO NEAR 70 DEGREES TODAY...RELATIVE HUMIDITIES WILL FALL TO 25 TO 30 PERCENT. AS THIS OCCURS...SOUTHERLY WINDS WILL INCREASE AND BECOME GUSTY AS THE PRESSURE GRADIENT INCREASES AND STRONGER WINDS MIX DOWN FROM ALOFT. UNSETTLED CONDITIONS ARE EXPECTED TUESDAY INTO WEDNESDAY...WITH A CHANCE OF THUNDERSTORMS EACH DAY. .TODAY... MAX TEMPERATURE.....67-72. MIN HUMIDITY........28 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............PC PC PC PC PC PC PC PC PC PC PC WEATHER TYPE.... TEMP (F)........40 42 47 52 55 59 64 66 67 69 69 RH (%)..........68 62 54 50 42 37 32 30 30 28 28 DEWPOINT (F)....30 30 31 32 32 33 34 34 35 35 35 20 FT WIND DIR..SW SW SSW S SSW SSW SSW SSW SSW S S 20 FT WIND SPD..7 8 10 12 12 12 12 13 15 16 16 20 FT WIND GUST. 10 15 15 15 15 15 20 25 25 DISPERSAL INDEX.PR PR PR FR FR GD GD GD EX EX EX CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 0.7 1.2 1.6 2.7 3.7 4.7 5.0 5.2 5.5 3.8 TRANSP WIND DIR.SW SW SSW S SSW SSW SSW SSW SSW SSW SSW TRANSP WIND SPD.8 9 9 10 12 12 13 14 16 18 21 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....48-53. MAX HUMIDITY........66 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............PCLDY PCLDY PCLDY PCLDY PCLDY MCLDY WEATHER COV..... CHANCE WEATHER TYPE....NONE NONE NONE NONE NONE TSTORM TEMP (F)........68 65 60 57 55 53 RH (%)..........29 34 41 45 51 57 DEWPOINT (F)....35 36 36 36 37 38 20 FT WIND......S 15 S 14 S 14 S 15 S 15 S 15 20 FT WIND GUST.20 20 20 20 20 20 DISPERSAL INDEX.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 10 10 30 MIX HGT (FT)....2000 300 300 300 300 300 TRANSPORT WIND..SSW 23 S 22 S 16 S 17 S 18 S 21 HAINES INDEX....5 4 3 3 3 3 .TUESDAY... MAX TEMPERATURE.....65-70. MIN HUMIDITY........45 PERCENT. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY.............MCLDY MCLDY MCLDY PCLDY WEATHER COV.....CHANCE CHANCE S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TEMP (F)........52 57 63 67 RH (%)..........63 59 52 45 DEWPOINT (F)....40 43 45 45 20 FT WIND......S 16G25 S 22G30 S 26G35 S 28G35 DISPERSAL INDEX.POOR FAIR EXCEL EXCEL CHC OF PCPN (%).30 30 20 20 $$ FORECASTER...BT REQUESTED BY...ERIC EARHART TYPE OF REQUEST...PRESCRIBED .TAG 20090511.LAKEA.01/FSD