Best track information for SIO 2001 200117 WALTER
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2001040206         107.70          -9.80            0.0           25.0
     2001040212         106.60         -10.00            0.0           25.0
     2001040218         105.30         -10.00            0.0           30.0
     2001040300         104.00         -10.00            0.0           40.0
     2001040306         103.20         -10.00            0.0           45.0
     2001040312         102.40         -10.00            0.0           55.0
     2001040318         101.60         -10.10            0.0           60.0
     2001040400         100.60         -10.10            0.0           65.0
     2001040406          99.60         -10.30            0.0           70.0
     2001040412          98.70         -10.50            0.0           75.0
     2001040418          97.80         -10.70            0.0           80.0
     2001040500          97.10         -11.20            0.0           85.0
     2001040506          96.60         -11.70            0.0           90.0
     2001040512          96.10         -12.10            0.0           85.0
     2001040518          95.70         -12.40            0.0           85.0
     2001040600          95.30         -12.70            0.0           80.0
     2001040606          94.80         -13.10            0.0           80.0
     2001040612          94.60         -13.50            0.0           75.0
     2001040618          94.60         -14.00            0.0           75.0
     2001040700          95.00         -15.10            0.0           70.0
     2001040706          95.20         -16.30            0.0           65.0
     2001040712          95.30         -17.90            0.0           60.0
     2001040718          95.60         -19.60            0.0           50.0