FNUS73 KFSD 151339 FWSFSD SPOT FORECAST FOR HEBER...SD GF&P NATIONAL WEATHER SERVICE SIOUX FALLS SD 839 AM CDT SUN MAY 15 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... IT WILL ACTUALLY BE A PRETTY NICE DAY APPROACHING SOUTH CENTRAL SOUTH DAKOTA. CLOUDS WILL CONTINUE TO BE ON THE DECREASE THIS MORNING...WITH MOSTLY SUNNY SKIES PREVAILING THIS AFTERNOON. MIXING HEIGHT POTENTIAL WILL RISE TO NEAR 4 THOUSAND FEET BY MID AND LATE AFTERNOON. WINDS BOTH AT THE SURFACE AND ALOFT WILL TURN TO THE NORTH TO NORTHEAST DURING THE EARLY AFTERNOON...THEN SETTLE INTO A NORTHEAST DIRECTION BY MID AFTERNOON. SPEEDS OF 15 TO 25 MPH WILL BE COMMON THIS AFTERNOON...BUT RIGHT NOW WE DO NOT SEE ENOUGH WINDS ALOFT MIXING DOWN TO GIVE GUSTS UP TO 30 MPH OR GREATER. MINIMUM HUMIDITIES SHOULD DROP TO 35 TO 40 PERCENT WHICH SHOULD HELP THE FIRE MOVE ALONG WITH THE WIND SPEEDS. IF BURNING ON MONDAY...THE WINDS WILL BE OUT OF THE SOUTHEAST AT THAT POINT AFTER GOING LIGHT EASTERLY TONIGHT. .TODAY... MAX TEMPERATURE.....59-64. MIN HUMIDITY........38 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......CDY MC MC MC MC PC PC PC PC MCR MCR MCR % SKY COVER.....93 80 67 55 52 49 46 37 28 19 15 10 WEATHER COV.....ISO ISO ISO WEATHER TYPE....RW RW RW TEMP............39 44 46 48 51 54 57 59 60 61 61 62 RH..............96 86 79 71 63 57 49 44 42 39 39 38 DEWPOINT........38 40 40 39 39 39 38 37 37 36 36 36 20 FT WIND DIR..NNW NNW NNW N N N NNE NNE NE NE NE NE 20 FT WIND SPD..13 8 8 9 10 14 16 16 16 16 15 14 20 FT WIND GUST.15 10 10 10 15 20 25 25 25 25 20 20 SMOKE DISPERSAL.PR PR PR PR FR GD GD GD EX EX GD GD CHC OF PCPN (%).20 20 20 10 10 10 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.4 0.6 0.8 1.8 2.7 3.7 3.9 4.1 4.2 3.7 3.2 TRANSP WIND DIR.NNW NNW N N N NNE NNE NNE NE NE NE NE TRANSP WIND SPD.15 16 18 20 20 20 20 20 21 21 21 21 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....34-39. MAX HUMIDITY........85 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR CLEAR CLEAR CLEAR CLEAR CLEAR % SKY COVER.....6 5 5 4 3 2 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............60 51 45 42 40 38 RH..............41 59 73 79 82 85 DEWPOINT........36 37 37 36 35 34 20 FT WIND......NE 13 NE 7 NE 5 E 6 E 6 E 5 20 FT WIND GUST.15 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 .MONDAY... MAX TEMPERATURE.....63-68. MIN HUMIDITY........31 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......CLEAR CLEAR CLEAR CLEAR % SKY COVER.....1 2 2 2 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............38 54 61 65 RH..............82 50 38 31 DEWPOINT........33 36 35 34 20 FT WIND......E 6 SE 8G10 SE 13G15 SE 14G20 SMOKE DISPERSAL.POOR POOR GOOD GOOD CHC OF PCPN (%).0 0 0 0 MIX HGT (FT)....300 1500 3200 4100 TRANSPORT WIND..E 6 SE 12 ESE 15 SE 18 HAINES INDEX....5 5 5 4 $$ FORECASTER...MJF REQUESTED BY...ANDY GABBERT TYPE OF REQUEST...PRESCRIBED .TAG 20110515.HEBER.01/FSD