FNUS73 KFSD 041158 FWSFSD SPOT FORECAST FOR BRL EAST...USFWS NATIONAL WEATHER SERVICE SIOUX FALLS SD 658 AM CDT MON MAY 4 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL CONTINUE TO LOOSEN ITS HOLD ON THE REGION TODAY AS LOW PRESSURE PUSHES OUT OF THE ROCKIES. OUT AHEAD OF THE SYSTEM...A STRONG SOUTHERLY FLOW WILL DEVELOP WITH WINDS PICKING UP THROUGH THIS AFTERNOON. MOISTURE WILL ALSO BEGIN TO INCREASE OVER THE AREA...WITH SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING OVER CENTRAL SOUTH DAKOTA BY AFTERNOON...THEN PUSHING EASTWARD THROUGH TONIGHT. IN SPITE OF THIS INCREASE IN LOW LEVEL MOISTURE...MINIMUM RH VALUES WILL STILL BE IN THE LOWER 30S OVER PORTIONS OF SOUTHWESTERN MINNESOTA AND NORTHWESTERN IOWA THIS AFTERNOON. .TODAY... MAX TEMPERATURE.....64-69. MIN HUMIDITY........33 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............PC PC PC PC PC PC PC PC PC PC PC WEATHER TYPE.... TEMP (F)........40 45 52 58 62 65 66 67 67 67 67 RH (%)..........74 63 50 42 38 35 33 33 34 35 36 DEWPOINT (F)....32 33 34 35 36 36 36 37 38 38 39 20 FT WIND DIR..SSE SE SE SSE SSE SSE S S S S S 20 FT WIND SPD..5 8 10 12 13 14 15 16 17 18 18 20 FT WIND GUST. 10 15 15 20 20 25 25 25 25 DISPERSAL INDEX.PR PR FR FR GD GD GD EX EX EX EX CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10 10 MIX HGT (KFT)...0.3 0.8 1.4 1.9 2.7 3.4 4.2 5.4 6.7 8.0 6.5 TRANSP WIND DIR.ESE SE SE SSE SSE S S S S S S TRANSP WIND SPD.7 9 13 16 17 17 17 18 20 21 22 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....47-52. MAX HUMIDITY........90 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............PCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR TSTORM RNSHWR TEMP (F)........67 62 55 53 52 51 RH (%)..........36 46 64 75 81 84 DEWPOINT (F)....39 41 43 45 46 47 20 FT WIND......S 17 S 16 S 15 S 16 SSW 18 SSW 18 20 FT WIND GUST.25 25 20 25 25 25 DISPERSAL INDEX.EXCEL GOOD POOR POOR POOR POOR CHC OF PCPN (%).10 20 50 50 50 30 MIX HGT (FT)....5000 2400 300 300 300 300 TRANSPORT WIND..S 24 S 22 S 17 S 18 SSW 20 SSW 21 HAINES INDEX....4 4 4 3 3 3 .TUESDAY... MAX TEMPERATURE.....65-70. MIN HUMIDITY........47 PERCENT. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY.............MCLDY PCLDY PCLDY PCLDY WEATHER COV.....CHANCE S CHC WEATHER TYPE....RNSHWR NONE NONE TSTORM TEMP (F)........50 55 62 67 RH (%)..........90 76 58 49 DEWPOINT (F)....47 48 47 47 20 FT WIND......SSW 15G20 SSW 14G20 SSW 15G25 SSW 14G20 DISPERSAL INDEX.POOR POOR GOOD EXCEL CHC OF PCPN (%).30 10 10 20 MIX HGT (FT)....300 400 3000 4200 TRANSPORT WIND..SSW 17 SSW 18 SSW 22 SSW 24 HAINES INDEX....4 4 5 4 $$ FORECASTER...JM REQUESTED BY...DAN ANGELO TYPE OF REQUEST...PRESCRIBED .TAG 20090504.BRLEA.01/FSD