Best track information for NWP 2003 200301 YANYAN
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2003011106         180.20           1.90         1006.0           15.0
     2003011112         179.60           1.90         1006.0           15.0
     2003011118         179.00           1.90         1006.0           15.0
     2003011200         178.50           1.80         1006.0           15.0
     2003011206         178.00           1.60         1006.0           15.0
     2003011212         177.60           1.30         1006.0           15.0
     2003011218         177.20           1.60         1006.0           15.0
     2003011300         176.80           1.90         1006.0           15.0
     2003011306         176.20           2.40         1006.0           15.0
     2003011312         175.10           3.10         1006.0           15.0
     2003011318         173.40           4.10         1004.0           20.0
     2003011400         171.50           5.10         1002.0           25.0
     2003011406         169.70           5.70         1002.0           25.0
     2003011412         168.20           5.80         1002.0           25.0
     2003011418         166.80           5.60         1002.0           25.0
     2003011500         165.60           5.40         1002.0           25.0
     2003011506         164.10           6.00         1004.0           25.0
     2003011512         162.50           6.70         1002.0           25.0
     2003011518         160.80           7.30         1000.0           30.0
     2003011600         159.20           7.90         1000.0           30.0
     2003011606         157.80           8.50         1000.0           30.0
     2003011612         156.30           8.80         1000.0           30.0
     2003011618         154.70           9.40         1000.0           30.0
     2003011700         153.00          10.00          997.0           35.0
     2003011706         151.40          10.90          997.0           35.0
     2003011712         149.90          11.70         1002.0           30.0
     2003011718         148.50          12.40          997.0           35.0
     2003011800         147.40          13.20          994.0           40.0
     2003011806         146.70          13.70          991.0           45.0
     2003011812         146.80          14.10          991.0           45.0
     2003011818         147.40          14.30          987.0           50.0
     2003011900         148.20          14.50          987.0           50.0
     2003011906         149.00          14.80          991.0           45.0
     2003011912         149.90          15.40          994.0           40.0
     2003011918         150.90          16.10          994.0           40.0
     2003012000         152.00          16.70          994.0           40.0
     2003012006         153.40          17.20          997.0           35.0
     2003012012         154.80          17.60          997.0           35.0
     2003012018         155.90          18.00         1000.0           30.0
     2003012100         156.30          18.20         1002.0           25.0
     2003012106         156.60          18.40         1004.0           20.0
     2003012112         156.90          18.50         1004.0           20.0