FNUS73 KFSD 151547 FWSFSD SPOT FORECAST FOR FORBES WRP...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 1047 AM CDT WED MAY 15 2013 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH BASED SHOWERS AND ISOLATED THUNDERSTORMS CONTINUE TO MOVE FROM WEST TO EAST AT THIS TIME...PRIMARILY NORTH OF YOUR AREA. THERE IS THE RISK OF AN ISOLATED SHOWER...BUT IF YOU DO GET ONE...ONLY TRACE AMOUNTS WILL OCCUR SO FOR NOW...LEFT IT OUT OF YOUR FORECAST BELOW. THE REAL QUESTION REMAINS THE WINDS. IT DOES LOOK LIKE THE HIGH WILL STAY TO YOUR NORTH. THEREFORE THE NORTHEAST WINDS SHOULD BEND TO THE EAST AS THE AFTERNOON PROGRESSES...AND WILL PROBABLY DECREASE IN SPEED. ALTHOUGH TEMPERATURES TODAY WILL BE COOLER THAN YESTERDAY...HUMIDITY LEVELS WILL REMAIN ON THE DRY SIDE FOR ONE MORE DAY WITH MINIMUM AFTERNOON HUMIDITY VALUES AROUND 25 PERCENT. MOISTURE WILL GRADUALLY INCREASE ACROSS THE AREA THROUGH THE LATTER PART OF THIS WEEK AND INTO THE WEEKEND...ACCOMPANIED BY INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS. .TODAY... MAX TEMPERATURE.....78-83. MIN HUMIDITY........28 PERCENT. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......PC PC PC PC PC PC PC PC PC % SKY COVER.....43 44 45 48 48 48 48 43 39 WEATHER COV..... WEATHER TYPE.... TEMP............68 71 74 76 78 80 81 81 79 RH..............36 31 28 25 25 23 23 24 27 DEWPOINT........40 39 39 38 39 39 40 41 42 20 FT WIND DIR..NE ENE ENE E E E E E E 20 FT WIND SPD..12 12 12 12 10 9 8 7 6 20 FT WIND GUST.15 15 15 15 15 10 10 SMOKE DISPERSAL.GD GD GD GD FR FR FR FR FR CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...2.5 2.9 3.3 3.7 3.8 3.9 4.0 3.5 3.0 TRANSP WIND DIR.ENE ENE ENE ENE ENE E E E E TRANSP WIND SPD.22 21 16 13 10 8 7 7 7 HAINES INDEX....5 5 5 5 5 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....50-55. MAX HUMIDITY........74 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY % SKY COVER.....34 33 33 32 33 34 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............76 69 63 59 56 53 RH..............30 39 48 57 64 74 DEWPOINT........42 43 43 44 44 45 20 FT WIND......E 6 E 6 ESE 6 ESE 6 ESE 6 ESE 5 20 FT WIND GUST. SMOKE DISPERSAL.FAIR POOR POOR POOR POOR POOR CHC OF PCPN (%).10 0 0 10 10 10 .THURSDAY... MAX TEMPERATURE.....75-80. MIN HUMIDITY........37 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......PCLDY PCLDY PCLDY MCLDY MCLDY MCLDY % SKY COVER.....36 43 49 56 61 65 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............55 67 76 78 77 76 RH..............72 54 42 37 40 43 DEWPOINT........46 50 51 50 51 52 20 FT WIND......ESE 5 ESE 8 ESE 12 ESE 13 ESE 14 ESE 14 20 FT WIND GUST. 10 15 15 20 20 SMOKE DISPERSAL.POOR FAIR GOOD EXCEL EXCEL GOOD CHC OF PCPN (%).10 10 10 20 20 20 MIX HGT (FT)....300 1500 3000 4800 4600 3900 TRANSPORT WIND..ESE 6 ESE 16 SE 22 SE 20 SSE 17 SSE 18 HAINES INDEX....4 4 4 3 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...MJF REQUESTED BY...STEVE WOODRUFF TYPE OF REQUEST...PRESCRIBED .TAG 20130515.FORBE.01/FSD