Best track information for SIO 2009 200917 GABRIELLE
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2009030100         101.10         -10.90         1004.0           25.0
     2009030106         102.20         -11.30         1000.0           30.0
     2009030112         103.50         -12.00         1000.0           30.0
     2009030118         104.80         -12.80         1000.0           30.0
     2009030200         105.60         -13.50          996.0           35.0
     2009030206         106.10         -14.10          996.0           35.0
     2009030212         106.70         -14.10          996.0           35.0
     2009030218         107.20         -13.70         1000.0           30.0
     2009030300         107.70         -13.90         1000.0           30.0
     2009030306         107.80         -14.50         1000.0           30.0
     2009030312         107.40         -15.10          996.0           35.0
     2009030318         106.50         -14.80          999.0           35.0
     2009030400         105.60         -15.00          996.0           35.0
     2009030406         105.00         -15.60         1000.0           30.0
     2009030412         104.30         -15.90         1004.0           25.0
     2009030418         102.30         -16.20         1004.0           25.0
     2009030500         100.70         -17.40         1004.0           25.0
     2009030506          98.90         -18.40         1004.0           25.0
     2009030512          97.10         -19.40         1007.0           20.0
     2009030518          95.00         -20.40         1007.0           20.0