FNUS73 KFSD 081402 FWSFSD SPOT FORECAST FOR BROKEN KETTLE...THE NATURE CONSERVANCY NATIONAL WEATHER SERVICE SIOUX FALLS SD 902 AM CDT FRI MAY 8 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STRONG UPPER AIR DISTURBANCE WILL BE INFLUENCING OUR WEATHER TODAY... INCREASING THE CHANCES FOR WETTING RAINS ESPECIALLY BY LATE MORNING. IN THE SHORT TERM...SURFACE WINDS ARE RATHER ERRATIC. IN YOUR AREA AS YOUR OBS SAID...AND ALSO AT SIOUX GATEWAY...WINDS ARE FAVORING NORTHERLY AT 5 TO 12 MPH. IN YANKTON THEY ARE NORTHWEST AT THE SAME SPEED...AND IN SIOUX FALLS THEY ARE LIGHT NORTHEAST. A SURFACE TROUGH OF LOW PRESSURE IN NOZING DOWN INTO WESTERN MINNESOTA AND NORTHWEST IOWA PROVIDING THESE WINDS. IN GENERAL...SURFACE WINDS WILL BE PRETTY LIGHT THIS MORNING FAVORING NORTH IN YOUR AREA...THEN WILL LIKELY GO NORTHWEST AROUND NOON ONCE THE UPPER AIR DISTURBANCE GETS CLOSER TO THIS AREA. THEN THE NORTHWEST WINDS SHOULD STAY PUT FOR THE REST OF THE DAY AND WILL BECOME RATHER BREEZY THIS AFTERNOON. SCATTERED RAINFALL WILL ALSO FALL IN YOUR AREA...WITH SPRINKLES IN THE MID AND LATE MORNING...LIKELY TURNING INTO BONAFIDE AREAS OF LIGHT RAINFALL THIS AFTERNOON WHICH SHOULD STAY LESS THEN TWO TENTHS OF AN INCH. IT APPEARS THE GREATER RAINFALL CHANCES WILL BE TO YOUR NORTH AND EAST. BUT STILL...CERTAINLY CANNOT RULE OUT RAIN AROUND BROKEN KETTLE. SATURDAY WILL BE A DRY DAY. .TODAY... MAX TEMPERATURE.....58-63. MIN HUMIDITY........55 PERCENT. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............MC MC MC MC MC MC MC MC MC WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT CHC CHC WEATHER TYPE....RW TSM TSM TSM TSM TSM TSM RW RW TEMP (F)........57 58 59 60 60 60 60 60 59 RH (%)..........77 72 72 69 69 69 67 64 64 DEWPOINT (F)....50 49 50 50 50 50 49 48 47 20 FT WIND DIR..N NNW NNW NW NW NW NW NW NW 20 FT WIND SPD..2 5 7 10 14 15 16 17 20 20 FT WIND GUST. 15 20 25 25 25 25 DISPERSAL INDEX.PR PR FR GD GD GD GD GD GD CHC OF PCPN (%).50 40 40 40 50 50 50 40 40 MIX HGT (KFT)...1.0 1.4 2.1 2.7 3.4 3.4 3.4 3.4 3.4 TRANSP WIND DIR.NW N N NNW NNW NNW NNW NNW NW TRANSP WIND SPD.7 8 12 15 18 20 20 20 20 HAINES INDEX....5 5 5 4 4 4 3 3 3 .TONIGHT... MIN TEMPERATURE.....38-43. MAX HUMIDITY........82 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV.....CHANCE S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE TEMP (F)........59 57 54 51 48 45 RH (%)..........64 64 66 69 71 75 DEWPOINT (F)....47 45 43 41 39 38 20 FT WIND......NW 22 NW 24 NW 20 NW 17 NW 15 NW 14 20 FT WIND GUST.25 30 25 20 20 15 DISPERSAL INDEX.GOOD GOOD GOOD GOOD GOOD POOR CHC OF PCPN (%).40 20 20 20 10 10 .SATURDAY... MAX TEMPERATURE.....61-66. MIN HUMIDITY........37 PERCENT. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY.............PCLDY PCLDY PCLDY PCLDY WEATHER TYPE....NONE NONE NONE NONE TEMP (F)........43 49 58 62 RH (%)..........79 61 44 38 DEWPOINT (F)....37 36 36 36 20 FT WIND......WNW 10G15 WNW 12G15 NW 16G20 NW 16G20 DISPERSAL INDEX.POOR FAIR EXCEL EXCEL CHC OF PCPN (%).10 10 10 10 MIX HGT (FT)....400 1400 5000 6700 TRANSPORT WIND..WNW 14 WNW 13 WNW 23 WNW 29 HAINES INDEX....3 4 3 4 $$ FORECASTER...MJF REQUESTED BY...SCOTT MOATS TYPE OF REQUEST...PRESCRIBED .TAG 20090508.BROKE.01/FSD