FNUS73 KFSD 161108 FWSFSD SPOT FORECAST FOR TABLE MARSH...IA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 608 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 THIS AFTERNOON AND TONIGHT. THUNDERSTORMS ARE EXPECTED TO FIRST DEVELOP THROUGH THE MISSOURI RIVER VALLEY THIS AFTERNOON...THEN EXPAND EASTWARD ACROSS THE REGION THROUGH TONIGHT. THE BEST CHANCE OF RAIN FOR THIS SPOT LOCATION WILL BE IN THE MID TO LATE AFTERNOON...ALTHOUGH SCATTERED ACTIVITY COULD DEVELOP BY MIDDAY. UNTIL THE RAIN BEGINS...MIXING AND SMOKE DISPERSAL SHOULD BECOME GOOD AS LIGHT EAST WINDS THIS MORNING BECOME MORE SOUTHEAST AND INCREASE INTO THE 10 TO 15 MPH RANGE EARLY THIS AFTERNOON. AFTER THE THUNDERSTORMS EXIT THE REGION EARLY FRIDAY MORNING...DRY WEATHER IS EXPECTED THROUGH SATURDAY. TEMPERATURES FRIDAY AND SATURDAY WILL WARM INTO THE 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.....76-81. MIN HUMIDITY........38 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC % SKY COVER.....56 60 64 69 70 71 72 74 77 79 81 83 WEATHER COV..... SCH CHC SCT SCT LKY LKY LKY LKY WEATHER TYPE.... RW RW RW RW RW RW RW RW TEMP............58 61 66 71 75 77 79 78 78 78 79 78 RH..............64 62 56 49 43 40 38 40 42 44 43 45 DEWPOINT........46 48 50 51 51 51 51 52 53 54 54 55 20 FT WIND DIR..E E E ESE ESE ESE ESE SE SE SE SE SE 20 FT WIND SPD..6 7 8 9 10 12 12 13 13 13 13 12 20 FT WIND GUST. 10 10 15 15 15 15 15 15 15 15 SMOKE DISPERSAL.PR PR PR FR GD GD EX EX GD GD GD GD CHC OF PCPN (%).10 10 10 10 20 30 40 50 60 60 60 60 MIX HGT (KFT)...0.3 0.5 0.8 1.1 2.3 3.6 4.9 4.5 4.1 3.7 3.1 2.6 TRANSP WIND DIR.E E E ESE ESE ESE SE SE SE SSE SSE SE TRANSP WIND SPD.7 10 14 16 18 21 22 21 18 17 18 20 HAINES INDEX....4 4 4 4 4 4 4 4 3 3 3 4 .TONIGHT... MIN TEMPERATURE.....59-64. MAX HUMIDITY........87 PERCENT. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC % SKY COVER.....85 85 84 84 85 86 87 84 81 78 82 87 WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW TEMP............76 73 70 69 67 65 64 64 63 63 63 63 RH..............48 55 61 63 70 78 84 84 87 87 87 87 DEWPOINT........55 56 56 56 57 58 59 59 59 59 59 59 20 FT WIND DIR..SE SE SE SE SE SE SE SSE SSE SSE SSE SSE 20 FT WIND SPD..12 12 12 10 10 10 9 9 9 9 8 8 20 FT WIND GUST.15 15 15 15 15 15 10 10 10 10 10 10 SMOKE DISPERSAL.FR FR PR PR PR PR PR PR PR PR PR PR CHC OF PCPN (%).50 40 40 40 40 40 40 50 50 40 40 30 .FRIDAY... MAX TEMPERATURE.....81-86. MIN HUMIDITY........44 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......CLOUDY MCLDY MCLDY MCLDY PCLDY PCLDY % SKY COVER.....91 79 67 55 47 40 WEATHER COV.....S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE NONE TEMP............64 71 77 81 83 84 RH..............84 68 58 51 47 44 DEWPOINT........59 60 61 61 61 60 20 FT WIND......SSE 8 S 12 S 14 S 15 S 15 S 14 20 FT WIND GUST.10 15 20 20 20 20 SMOKE DISPERSAL.POOR FAIR GOOD GOOD EXCEL EXCEL CHC OF PCPN (%).20 20 10 10 10 10 MIX HGT (FT)....600 1600 2700 3900 4300 4300 TRANSPORT WIND..SSE 16 S 20 S 21 S 20 S 20 S 20 HAINES INDEX....4 4 4 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...DOUG CHAFA TYPE OF REQUEST...PRESCRIBED .TAG 20130516.TABLE.01/FSD