FNUS73 KFSD 021108 FWSFSD SPOT FORECAST FOR ULBRICHT...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 608 AM CDT MON MAY 2 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... COOL DRY CANADIAN HIGH PRESSURE WILL BUILD INTO THE REGION TODAY. BRISK NORTHWEST WINDS EAST OF INTERSTATE 29 WILL MIX TO THE SURFACE RESULTING IN BREEZY CONDITIONS. THIS COMBINED WITH THE RELATIVE DRY ATMOSPHERE WILL PRODUCE AN ELEVATED FIRE DANGER. THE LOW RELATIVE HUMIDITIES ARE EXPECTED TO RETURN TUESDAY AFTERNOON AS HIGH PRESSURE BEGINS TO SHIFT EAST INTO THE CENTRAL PLAINS. THE NEXT WEATHER DISTURBANCE IS EXPECTED TO IMPACT THE DISTRICTS ON WEDNESDAY...CREATING A CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. TEMPERATURES THROUGH THE PERIOD WILL REMAIN AT OR BELOW SEASONAL NORMS. .TODAY... MAX TEMPERATURE.....49-54. MIN HUMIDITY........29 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......PC PC PC MC MC MC MC MC MC MC MC MC % SKY COVER.....37 42 47 52 57 61 66 68 70 72 73 73 WEATHER COV..... WEATHER TYPE.... TEMP............31 34 36 39 43 46 48 50 51 51 52 51 RH..............72 66 59 52 43 37 33 30 30 30 29 30 DEWPOINT........23 23 23 23 22 21 20 20 21 21 21 21 20 FT WIND DIR..WNW NW NW NW NW NW NW NW NNW NNW NNW NNW 20 FT WIND SPD..12 15 17 20 20 20 18 18 18 18 17 15 20 FT WIND GUST.15 20 25 30 30 30 30 30 30 25 25 20 SMOKE DISPERSAL.PR FR GD EX EX EX EX EX EX EX EX EX CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...0.3 1.4 2.6 3.8 3.8 3.9 3.9 4.2 4.4 4.6 4.5 4.3 TRANSP WIND DIR.WNW NW NW NW NW NW NW NW NW NW NNW NNW TRANSP WIND SPD.14 18 22 25 26 26 25 25 24 24 24 24 HAINES INDEX....4 4 4 4 3 3 2 2 3 3 3 3 .TONIGHT... MIN TEMPERATURE.....27-32. MAX HUMIDITY........72 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY PCLDY % SKY COVER.....73 62 58 62 55 41 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............49 42 36 34 31 30 RH..............33 44 59 64 72 72 DEWPOINT........21 22 23 23 23 22 20 FT WIND......NNW 13 NNW 7 N 5 NNW 5 NW 3 NW 2 20 FT WIND GUST.15 5 SMOKE DISPERSAL.EXCEL POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 0 0 MIX HGT (FT)....4100 300 300 300 300 300 TRANSPORT WIND..NNW 23 NNW 10 N 3 NNW 5 NW 3 NW 2 HAINES INDEX....3 4 4 4 3 3 .TUESDAY... MAX TEMPERATURE.....57-62. MIN HUMIDITY........21 PERCENT. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY COVER.......MCLEAR MCLEAR PCLDY MCLEAR % SKY COVER.....21 16 28 19 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............32 49 56 59 RH..............69 36 24 23 DEWPOINT........23 23 20 21 20 FT WIND......WNW 3G5 WNW 5 NW 5 W 5 SMOKE DISPERSAL.POOR FAIR FAIR FAIR $$ FORECASTER...BT REQUESTED BY...ERIC EARHART TYPE OF REQUEST...PRESCRIBED .TAG 20110502.ULBRI.01/FSD