Best track information for SIO 2009 200906 DONGO
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2009010806          70.70         -14.10         1004.0           25.0
     2009010812          70.60         -15.00         1004.0           25.0
     2009010818          70.40         -15.70         1004.0           25.0
     2009010821          70.00         -16.10         1004.0           25.0
     2009010900          69.30         -16.20         1004.0           25.0
     2009010906          68.50         -16.70         1000.0           30.0
     2009010912          68.00         -17.10         1000.0           30.0
     2009010918          67.60         -17.40          996.0           35.0
     2009011000          67.30         -17.80          993.0           40.0
     2009011006          67.30         -18.20          993.0           40.0
     2009011012          67.50         -18.70          989.0           45.0
     2009011018          67.90         -19.50          989.0           45.0
     2009011100          68.30         -20.60          982.0           55.0
     2009011106          68.90         -21.80          982.0           55.0
     2009011112          69.60         -23.00          982.0           55.0
     2009011118          70.10         -24.40          982.0           55.0
     2009011200          70.10         -26.80          993.0           40.0
     2009011206          69.80         -28.20          996.0           35.0
     2009011212          70.30         -29.10         1000.0           30.0
     2009011218          71.40         -30.10         1000.0           30.0
     2009011300          72.50         -31.10         1000.0           30.0
     2009011306          73.30         -31.90         1004.0           25.0
     2009011312          74.70         -33.00         1004.0           25.0