Best track information for NWP 2009 200917 KETSANA
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2009092500         128.80          14.30         1010.0           15.0
     2009092506         127.40          14.20         1007.0           20.0
     2009092512         125.80          15.20         1007.0           20.0
     2009092518         124.30          15.70         1000.0           30.0
     2009092600         122.80          15.60          996.0           35.0
     2009092606         121.30          15.60          996.0           35.0
     2009092612         119.60          15.70          996.0           35.0
     2009092618         117.90          15.40          989.0           45.0
     2009092700         116.50          15.20          985.0           50.0
     2009092706         115.40          15.40          982.0           55.0
     2009092712         114.40          15.60          982.0           55.0
     2009092718         113.50          15.70          978.0           60.0
     2009092800         112.70          15.80          974.0           65.0
     2009092806         111.90          15.90          963.0           80.0
     2009092812         111.20          15.90          956.0           90.0
     2009092818         110.50          15.80          956.0           90.0
     2009092900         109.80          15.60          955.0           90.0
     2009092906         108.90          15.40          956.0           90.0
     2009092912         108.10          15.10          985.0           50.0
     2009092918         107.80          14.80         1007.0           20.0