Best track information for SIO 2005 200523 WILLY
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2005030818         119.80         -13.50         1006.0           15.0
     2005030900         119.30         -13.60         1004.0           20.0
     2005030906         118.70         -13.70         1004.0           20.0
     2005030912         118.00         -13.80         1002.0           25.0
     2005030918         117.20         -14.00          997.0           35.0
     2005031000         116.40         -14.20          991.0           45.0
     2005031006         115.60         -14.50          987.0           50.0
     2005031012         114.90         -15.00          984.0           55.0
     2005031018         114.40         -15.60          976.0           65.0
     2005031100         113.60         -16.10          967.0           75.0
     2005031106         112.70         -16.60          958.0           85.0
     2005031112         112.10         -17.30          954.0           90.0
     2005031118         111.50         -18.00          954.0           90.0
     2005031200         110.90         -18.70          958.0           85.0
     2005031206         110.30         -19.40          963.0           80.0
     2005031212         109.80         -20.10          967.0           75.0
     2005031218         109.40         -20.60          967.0           75.0
     2005031300         109.00         -21.00          967.0           75.0
     2005031306         108.70         -21.30          976.0           65.0
     2005031312         108.30         -21.50          987.0           50.0
     2005031318         107.90         -21.50          994.0           40.0
     2005031400         107.40         -21.30          997.0           35.0