Best track information for NWP 2009 200921 NEPARTAK
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2009100800         143.20          15.60         1007.0           20.0
     2009100806         143.30          16.20         1007.0           20.0
     2009100812         143.50          16.80         1004.0           25.0
     2009100818         143.10          17.70         1004.0           25.0
     2009100900         142.70          18.60         1000.0           30.0
     2009100906         142.50          19.60         1000.0           30.0
     2009100912         142.20          20.40         1000.0           30.0
     2009100918         141.90          20.90         1000.0           30.0
     2009101000         141.80          21.30         1000.0           30.0
     2009101006         141.80          21.60          996.0           35.0
     2009101012         141.80          21.90          993.0           40.0
     2009101018         142.00          22.10          989.0           45.0
     2009101100         142.30          22.30          989.0           45.0
     2009101106         142.60          22.50          985.0           50.0
     2009101112         143.00          22.80          982.0           55.0
     2009101118         143.80          23.20          982.0           55.0
     2009101200         144.70          23.80          982.0           55.0
     2009101206         145.70          24.60          985.0           50.0
     2009101212         147.10          25.80          989.0           45.0
     2009101218         148.50          27.00          989.0           45.0
     2009101300         150.70          28.70          989.0           45.0
     2009101306         153.10          30.40          993.0           40.0
     2009101312         155.60          31.60          993.0           40.0
     2009101318         157.90          32.90          993.0           40.0