FNUS73 KFSD 161119 FWSFSD SPOT FORECAST FOR LAKE AUGUSTA S...U.S. FISH & WILDLIFE SERVICE NATIONAL WEATHER SERVICE SIOUX FALLS SD 619 AM CDT THU MAY 16 2013 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STRONG UPPER LEVEL WAVE MOVING OUT OF THE CENTRAL ROCKIES WILL BRING AN INCREASING CHANCE OF RAIN AND THUNDERSTORMS TO THE AREA TONIGHT. THUNDERSTORMS ARE EXPECTED TO DEVELOP THROUGH THE MISSOURI RIVER VALLEY THIS AFTERNOON...WITH PRECIPITATION EXPECTED TO HOLD OFF FOR THIS SPOT BURN LOCATION UNTIL AFTER SUNSET. AS THE RAIN BECOMES MORE WIDESPREAD OVERNIGHT INTO FRIDAY MORNING...RAINFALL AMOUNTS AROUND A HALF INCH OR MORE APPEAR LIKELY. MIXING AND SMOKE DISPERSAL SHOULD BE GOOD THIS AFTERNOON...AS LIGHT EAST WINDS THIS MORNING SHIFT SLIGHTLY SOUTHEAST AND INCREASE INTO THE 10 TO 15 MPH RANGE. AFTER THE THUNDERSTORMS EXIT SOUTHWEST MINNESOTA FRIDAY MORNING... LITTLE IF ANY RAINFALL IS EXPECTED THROUGH SATURDAY. TEMPERATURES FRIDAY AND SATURDAY WILL WARM INTO THE UPPER 70S AND 80S...HOWEVER MORE ABUNDANT LOW LEVEL MOISTURE WILL KEEP MINIMUM HUMIDITY LEVELS HIGHER THAN RECENT DAYS...GENERALLY IN THE 40 TO 50 PERCENT RANGE. PERIODIC RAIN CHANCES WILL CONTINUE THROUGH EARLY NEXT WEEK. .TODAY... MAX TEMPERATURE.....77-82. MIN HUMIDITY........28 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MCR MCR PC PC PC PC PC MC MC MC MC MC % SKY COVER.....16 25 34 43 45 47 49 55 61 67 75 82 WEATHER COV..... WEATHER TYPE.... TEMP............57 62 67 72 75 77 79 78 78 79 80 78 RH..............65 58 50 42 37 33 30 30 29 28 28 30 DEWPOINT........46 47 48 48 47 46 45 44 43 43 44 45 20 FT WIND DIR..NNW N NE ENE E ESE ESE ESE ESE ESE ESE E 20 FT WIND SPD..1 2 5 6 7 8 8 9 10 10 10 10 20 FT WIND GUST. 10 10 10 15 15 15 SMOKE DISPERSAL.PR PR PR PR FR GD GD GD GD GD GD GD CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10 10 10 MIX HGT (KFT)...0.3 0.6 1.0 1.3 2.9 4.5 6.1 6.7 7.4 8.0 7.0 5.9 TRANSP WIND DIR.NNW N NE ENE E E ESE ESE SE SE SE SE TRANSP WIND SPD.1 6 8 10 10 9 8 8 8 9 12 13 HAINES INDEX....6 6 6 6 6 6 6 6 6 6 6 5 .TONIGHT... MIN TEMPERATURE.....56-61. MAX HUMIDITY........81 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY % SKY COVER.....90 92 95 98 99 100 WEATHER COV..... ISOLTD SCTTRD SCTTRD NUMRUS OCNL WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............76 70 65 63 61 60 RH..............34 47 58 67 72 81 DEWPOINT........46 49 50 52 52 54 20 FT WIND......E 9 E 8 E 8 E 10 ESE 10 ESE 10 20 FT WIND GUST.10 10 10 15 15 SMOKE DISPERSAL.GOOD FAIR POOR POOR POOR POOR CHC OF PCPN (%).10 20 30 50 70 80 .FRIDAY... MAX TEMPERATURE.....73-78. MIN HUMIDITY........52 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY MCLDY MCLDY % SKY COVER.....100 96 92 89 83 78 WEATHER COV.....LIKELY LIKELY LIKELY CHANCE CHANCE S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............61 65 70 73 75 76 RH..............81 70 61 57 54 52 DEWPOINT........55 55 56 57 57 57 20 FT WIND......SE 10 SE 12 SSE 13 S 12 SSE 12 SSE 10 20 FT WIND GUST.15 15 15 15 15 SMOKE DISPERSAL.POOR POOR FAIR GOOD FAIR FAIR CHC OF PCPN (%).70 70 60 40 40 20 MIX HGT (FT)....300 700 1500 2700 1900 1700 TRANSPORT WIND..SE 12 SE 17 SSE 21 S 21 S 17 S 15 HAINES INDEX....4 5 5 4 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...JH REQUESTED BY...ERIC EARHART TYPE OF REQUEST...PRESCRIBED .TAG 20130516.LAKEA.01/FSD