FNUS73 KFSD 101157 FWSFSD SPOT FORECAST FOR ALLECKSON WPA...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 657 AM CDT TUE APR 10 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...EXPECT ANOTHER WELL-MIXED LATE MORNING/AFTERNOON RESULTING IN GUSTY NORTH-NORTHWEST WINDS AND LOW RELATIVE HUMIDITY. DESPITE AFTERNOON TEMPERATURES LARGELY IN THE 40S...FALLING AFTERNOON DEW POINTS WILL STILL PRODUCE MINIMUM HUMIDITY LEVELS NEAR 25 PERCENT. STRONGEST WINDS SHOULD BE IN BUFFALO RIDGE/IOWA GREAT LAKES AREAS...FARTHEST REMOVED FROM THE SURFACE RIDGE NEAR THE MISSOURI RIVER VALLEY...AND THESE AREAS OF STRONGER WINDS COMBINED WITH THE LOW RELATIVE HUMIDITY LEVELS WILL CREATE VERY HIGH FIRE DANGER THIS AFTERNOON. THE SURFACE RIDGE WILL SHIFT EAST OF THE AREA ON WEDNESDAY...WITH SOUTHEAST TO SOUTH LOW LEVEL FLOW BRINGING HIGHER MOISTURE LEVELS BACK INTO THE REGION FOR THE LATTER HALF OF THE WEEK. CHANCES FOR AT LEAST SCATTERED PRECIPITATION WILL RETURN TO THE AREA THURSDAY THROUGH SATURDAY. .TODAY... MAX TEMPERATURE.....42-47. MIN HUMIDITY........26 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......CLR CLR CLR MCR MCR MCR MCR MCR MCR MCR MCR MCR % SKY COVER.....3 4 5 6 6 7 8 8 8 8 8 9 WEATHER COV.....PTY PTY WEATHER TYPE....FST FST TEMP............24 25 30 34 36 39 41 42 44 44 44 43 RH..............71 74 64 54 43 34 29 28 26 27 27 27 DEWPOINT........16 18 19 19 16 13 11 11 11 12 12 11 20 FT WIND DIR..NW NW NNW NNW NNW NNW NNW NNW NNW NNW N N 20 FT WIND SPD..7 10 13 16 16 16 16 16 17 16 16 16 20 FT WIND GUST. 15 25 25 25 25 25 25 25 25 25 SMOKE DISPERSAL.PR PR FR GD GD GD EX EX EX EX EX EX CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.3 1.1 1.9 2.6 3.3 4.0 4.1 4.2 4.3 4.0 3.7 TRANSP WIND DIR.NW NW NNW NNW NNW NNW NNW NNW NNW NNW NNW N TRANSP WIND SPD.8 15 20 24 25 24 23 23 23 23 24 24 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3 .TONIGHT... MIN TEMPERATURE.....21-26. MAX HUMIDITY........68 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR % SKY COVER.....9 9 9 9 10 10 WEATHER COV..... AREAS AREAS AREAS WEATHER TYPE....NONE NONE NONE FROST FROST FROST TEMP............42 37 32 30 28 25 RH..............30 38 51 58 63 68 DEWPOINT........13 14 16 17 17 16 20 FT WIND......N 16 N 13 N 8 N 7 N 6 N 5 20 FT WIND GUST.25 15 10 SMOKE DISPERSAL.GOOD POOR POOR POOR POOR POOR .WEDNESDAY... MAX TEMPERATURE.....48-53. MIN HUMIDITY........28 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR % SKY COVER.....10 10 10 10 WEATHER COV.....AREAS WEATHER TYPE....FROST NONE NONE NONE TEMP............26 37 45 49 RH..............65 46 33 29 DEWPOINT........16 18 18 18 20 FT WIND......NNW 3G5 ENE 5 SSE 6 SSE 8G10 SMOKE DISPERSAL.POOR POOR FAIR GOOD CHC OF PCPN (%).0 0 0 0 MIX HGT (FT)....300 1900 3000 4000 TRANSPORT WIND..NNW 3 ENE 6 SE 7 SSE 10 HAINES INDEX....4 4 4 4 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...DAN ANGELO TYPE OF REQUEST...PRESCRIBED .TAG 20120410.ALLEC.01/FSD