FNUS73 KFSD 151153 FWSFSD SPOT FORECAST FOR SKUNK CREEK N...U.S. FISH & WILDLIFE NATIONAL WEATHER SERVICE SIOUX FALLS SD 653 AM CDT FRI MAY 15 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STRONG COLD FRONT WILL MOVE THROUGH THE DISTRICTS TODAY. AS THE FRONT SHIFTS EAST...SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE FRONT. WINDS AHEAD OF THE FRONT WILL INCREASE OUT OF THE SOUTH AT 15 TO 20 MPH WITH HIGHER GUSTS. THEN...AS THE FRONT WORKS THROUGH DURING THE MID AFTERNOON HOURS...WINDS WILL BECOME NORTHWEST AND INCREASE FURTH TO 20 TO 30 MPH. THESE WINDS WILL DRAW MUCH COOLER AND DRIER AIR INTO THE REGION FOR THE WEEKEND. DESPITE MIXY CONDITIONS ON SATURDAY...TEMPERATURES WILL REMAIN 15 TO 20 DEGREES BELOW NORMAL WITH HIGH TEMPERATURES NEAR 60. TEMPERATURES WILL WARM SUNDAY INTO MONDAY...AHEAD OF ANOTHER COLD FRONT THAT WILL MOVE THROUGH THE REGION ON TUESDAY. .TODAY... MAX TEMPERATURE.....66-71. MIN HUMIDITY........47 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............PC PC PC PC PC PC PC PC MC MC MC WEATHER COV..... SCH SCH SCH NUM NUM NUM SCT SCT WEATHER TYPE.... TSM TSM TSM TSM TSM TSM TSM TSM TEMP (F)........52 54 57 58 61 64 66 68 68 68 67 RH (%)..........74 69 64 64 60 56 54 51 49 49 47 DEWPOINT (F)....44 44 45 46 47 48 49 49 48 48 46 20 FT WIND DIR..SSE S S S S S S SSW W NW NW 20 FT WIND SPD..12 13 14 15 16 17 17 17 17 16 15 20 FT WIND GUST.15 15 20 25 25 25 25 25 25 25 20 DISPERSAL INDEX.PR PR PR FR FR GD GD GD GD GD GD CHC OF PCPN (%).10 10 10 20 20 20 60 60 60 50 50 MIX HGT (KFT)...0.3 0.4 0.6 0.8 1.4 1.9 2.5 2.8 3.0 3.2 3.3 TRANSP WIND DIR.SSE SSE S S S S S S WSW W W TRANSP WIND SPD.14 16 21 24 25 25 23 21 17 16 20 HAINES INDEX....3 3 4 4 4 3 3 3 3 3 3 .TONIGHT... MIN TEMPERATURE.....36-41. MAX HUMIDITY........76 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............MCLDY PCLDY PCLDY PCLDY PCLDY MCLEAR WEATHER COV.....SCTTRD WEATHER TYPE....TSTORM NONE NONE NONE NONE NONE TEMP (F)........66 60 53 49 46 42 RH (%)..........47 53 64 68 68 70 DEWPOINT (F)....45 43 41 39 36 33 20 FT WIND......NW 14 NW 15 NNW 21 NNW 25 NNW 25 NW 20 20 FT WIND GUST.20 20 30 35 35 30 DISPERSAL INDEX.EXCEL EXCEL GOOD GOOD EXCEL GOOD CHC OF PCPN (%).50 10 10 10 10 10 MIX HGT (FT)....3300 3000 2200 2200 2000 1700 TRANSPORT WIND..NW 25 NNW 29 NNW 24 NNW 35 NNW 40 NNW 37 HAINES INDEX....3 3 4 5 5 4 .SATURDAY... MAX TEMPERATURE.....55-60. MIN HUMIDITY........23 PERCENT. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY.............MCLEAR CLEAR CLEAR CLEAR WEATHER TYPE....NONE NONE NONE NONE TEMP (F)........39 44 52 57 RH (%)..........76 45 27 23 DEWPOINT (F)....32 24 19 20 20 FT WIND......NW 14G20 NNW 15G20 NNW 20G30 NNW 21G30 DISPERSAL INDEX.GOOD GOOD EXCEL EXCEL $$ FORECASTER...BT REQUESTED BY...ERIC EARHART TYPE OF REQUEST...PRESCRIBED .TAG 20090515.SKUNK.01/FSD