FNUS73 KFSD 111448 FWSFSD SPOT FORECAST FOR PIPESTONE NM RX...NPS NATIONAL WEATHER SERVICE SIOUX FALLS SD 948 AM CDT MON MAY 11 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL BE SITUATED EAST OF THIS AREA TODAY... WHICH WILL PROVIDE A SOUTH TO SOUTHWEST SURFACE WIND THROUGH EARLY AFTERNOON...THEN POSSIBLY GOING A BIT MORE SOUTHERLY BY MID AFTERNOON. IT IS NOT ANTICIPATED THAT THE SURFACE OR TRANSPORT WINDS WILL GO ANY DIRECTION EAST OF SOUTH HOWEVER. BY 2 PM...SURFACE WINDS WILL LIKELY START GUSTING TO BETWEEN 20 TO 25 MPH DUE TO A TIGHTENING SURFACE PRESSURE GRADIENT AND SOME STRONGER WINDS ALOFT MOVING IN FROM THE WEST. OTHERWISE WE ARE LOOKING AT A PRETTY TYPICAL SPRING WEATHER DAY. SMOKE DISPERSION WILL BE GOOD TO EXCELLENT BY MIDDAY WITH SMOKE DRIFTING FROM THE SOUTH SOUTHWEST TO NORTH NORTHEAST. TUESDAY WILL BE A WINDIER DAY AS A COLD FRONT WILL BE SITUATED TO OUR WEST... HELPING TO KICK THE WINDS UP A NOTCH OR TWO IN THIS AREA. WINDS WILL BE STILL BE FROM THE SOUTH ON TUESDAY...BUT WILL BE WINDY BY MIDDAY WITH FREQUENT GUSTS TO 30 TO 35 MPH IN THE AFTERNOON. .TODAY... MAX TEMPERATURE.....65-70. MIN HUMIDITY........33 PERCENT. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............MCR MCR PC PC PC PC PC PC WEATHER TYPE.... TEMP (F)........56 59 61 64 64 66 67 67 RH (%)..........47 44 39 35 35 33 33 33 DEWPOINT (F)....36 37 36 36 36 36 37 37 20 FT WIND DIR..S S S SSW S S S S 20 FT WIND SPD..10 12 13 14 15 16 17 17 20 FT WIND GUST.15 16 17 18 20 22 23 23 DISPERSAL INDEX.FR GD GD EX EX EX EX EX CHC OF PCPN (%).10 10 10 10 10 10 10 10 MIX HGT (KFT)...1.6 2.6 3.7 4.7 4.9 5.2 5.5 3.7 TRANSP WIND DIR.S S SSW SSW SSW SSW SSW S TRANSP WIND SPD.16 17 17 17 18 20 22 24 HAINES INDEX....5 5 5 5 5 5 5 5 .TONIGHT... MIN TEMPERATURE.....47-52. MAX HUMIDITY........74 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............PCLDY PCLDY PCLDY PCLDY PCLDY MCLDY WEATHER COV..... S CHC WEATHER TYPE....NONE NONE NONE NONE NONE TSTORM TEMP (F)........66 63 58 56 54 52 RH (%)..........34 39 49 55 59 66 DEWPOINT (F)....37 38 39 40 40 41 20 FT WIND......S 16 S 15 S 14 S 15 S 15 S 16 20 FT WIND GUST.25 20 20 20 20 25 DISPERSAL INDEX.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).10 10 10 10 10 20 .TUESDAY... MAX TEMPERATURE.....65-70. MIN HUMIDITY........49 PERCENT. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY.............MCLDY MCLDY PCLDY PCLDY WEATHER COV.....S CHC S CHC WEATHER TYPE....TSTORM TSTORM NONE NONE TEMP (F)........51 56 63 66 RH (%)..........71 64 56 50 DEWPOINT (F)....42 44 47 47 20 FT WIND......S 18G25 S 22G30 S 25G35 S 26G35 DISPERSAL INDEX.POOR GOOD EXCEL EXCEL CHC OF PCPN (%).20 20 10 10 MIX HGT (FT)....300 1100 2800 3800 TRANSPORT WIND..S 29 S 36 S 38 S 40 HAINES INDEX....2 2 2 2 $$ FORECASTER...MJF REQUESTED BY...ERIC ALLEN TYPE OF REQUEST...PRESCRIBED .TAG 20090511.PIPES.01/FSD