FNUS73 KFSD 101120 FWSFSD SPOT FORECAST FOR RAVENBERG...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 620 AM CDT MON JUN 10 2013 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SURFACE INVERSION HAS TRAPPED MOISTURE NEAR THE SURFACE CREATING WIDESPREAD FOG ACROSS THE AREA. THIS INVERSION WILL HOLD THROUGH 9-10 AM KEEPING VISIBILITIES RELATIVELY POOR AND SMOKE DISPERSION POOR. LIGHT AND VARIABLE WINDS WILL GRADUALLY BECOME SOUTHERLY AROUND MID DAY...AND WILL GRADUALLY INCREASE THROUGH THE AFTERNOON HOURS. .TODAY... MAX TEMPERATURE.....75-80. MIN HUMIDITY........54 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MC PC PC PC PC PC MCR PC PC PC PC PC % SKY COVER.....51 50 47 42 35 27 18 26 33 37 38 37 WEATHER COV.....WID ARS WEATHER TYPE....FOG FOG TEMP............50 53 58 64 68 71 73 75 77 78 78 78 RH..............100 96 90 78 70 63 62 58 56 54 54 54 DEWPOINT........50 52 55 57 58 58 59 59 60 60 60 60 20 FT WIND DIR..S S S S S S S S S S S SSE 20 FT WIND SPD..3 5 5 6 7 8 9 10 12 12 12 12 20 FT WIND GUST.5 10 10 15 15 15 15 15 SMOKE DISPERSAL.PR PR PR PR PR PR FR FR FR GD GD FR CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.6 1.0 1.3 1.5 1.7 1.8 1.8 1.8 TRANSP WIND DIR.SSW S SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE TRANSP WIND SPD.1 3 6 8 12 14 16 18 21 22 22 21 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 4 .TONIGHT... MIN TEMPERATURE.....58-63. MAX HUMIDITY........96 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......PCLDY PCLDY PCLDY PCLDY MCLDY MCLDY % SKY COVER.....35 40 45 50 52 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............76 72 67 64 62 61 RH..............58 66 75 84 89 92 DEWPOINT........60 60 59 59 59 59 20 FT WIND......SSE 10 SSE 10 SSE 9 SSE 8 SE 7 E 6 20 FT WIND GUST.15 15 10 10 SMOKE DISPERSAL.FAIR POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 10 10 10 MIX HGT (FT)....1800 300 300 300 300 300 TRANSPORT WIND..SSE 18 SSE 13 SSE 10 SSE 10 SE 9 SE 9 HAINES INDEX....4 4 4 4 5 5 .TUESDAY... MAX TEMPERATURE.....78-83. MIN HUMIDITY........64 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY % SKY COVER.....55 56 58 59 58 58 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR NONE TEMP............62 68 74 77 80 80 RH..............90 77 68 65 61 61 DEWPOINT........59 61 63 65 66 66 20 FT WIND......E 6 E 8 E 10 E 12 E 13 E 12 20 FT WIND GUST. 10 15 15 15 SMOKE DISPERSAL.M M M M M M CHC OF PCPN (%).20 20 20 20 20 10 MIX HGT (FT)....M M M M M M TRANSPORT WIND..M M M M M M HAINES INDEX....M M M M M M 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...BT REQUESTED BY...KYLE KELSEY TYPE OF REQUEST...PRESCRIBED .TAG 20130610.RAVEN.01/FSD