Best track information for SIO 2008 200818 IVAN
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2008020512          55.30         -10.20         1007.0           20.0
     2008020518          55.80         -10.60         1004.0           25.0
     2008020600          56.30         -10.90         1004.0           25.0
     2008020606          56.80         -11.30         1004.0           25.0
     2008020612          57.50         -11.60         1003.0           25.0
     2008020618          58.60         -11.90         1000.0           30.0
     2008020700          59.80         -12.50          996.0           35.0
     2008020706          60.90         -13.20          993.0           40.0
     2008020712          61.70         -13.90          985.0           50.0
     2008020718          62.40         -14.40          982.0           55.0
     2008020800          62.90         -15.00          982.0           55.0
     2008020806          63.30         -15.50          982.0           55.0
     2008020812          63.40         -15.80          978.0           60.0
     2008020818          63.30         -16.00          978.0           60.0
     2008020900          63.10         -15.90          974.0           60.0
     2008020906          63.20         -15.70          974.0           65.0
     2008020912          63.50         -15.50          974.0           65.0
     2008020918          63.90         -15.30          978.0           60.0
     2008021000          64.20         -15.10          982.0           55.0
     2008021006          64.50         -14.90          978.0           60.0
     2008021012          64.80         -14.80          970.0           70.0
     2008021018          65.00         -14.70          967.0           75.0
     2008021100          65.10         -14.50          959.0           85.0
     2008021106          65.10         -14.40          959.0           85.0
     2008021112          65.00         -14.30          959.0           85.0
     2008021118          64.90         -14.20          959.0           85.0
     2008021200          64.80         -14.20          963.0           80.0
     2008021206          64.60         -14.20          974.0           65.0
     2008021212          64.30         -14.10          978.0           60.0
     2008021218          63.80         -14.20          982.0           55.0
     2008021300          62.90         -14.20          989.0           45.0
     2008021306          62.10         -13.70          993.0           40.0
     2008021312          61.50         -13.40          989.0           45.0
     2008021318          60.80         -13.30          982.0           55.0
     2008021400          60.10         -13.30          982.0           55.0
     2008021406          59.30         -13.50          974.0           65.0
     2008021412          58.50         -13.80          970.0           70.0
     2008021418          57.60         -14.20          967.0           75.0
     2008021500          56.70         -14.60          959.0           85.0
     2008021506          55.80         -15.20          959.0           85.0
     2008021512          54.90         -15.70          959.0           85.0
     2008021518          54.00         -16.00          952.0           95.0
     2008021600          53.30         -16.10          952.0           95.0
     2008021606          52.60         -16.20          944.0          105.0
     2008021612          51.90         -16.50          929.0          125.0
     2008021618          51.20         -16.80          937.0          115.0
     2008021700          50.50         -17.00          937.0          115.0
     2008021706          49.70         -17.10          944.0          105.0
     2008021712          48.90         -17.20          963.0           80.0
     2008021718          48.00         -17.50          974.0           65.0
     2008021800          47.10         -17.90          985.0           50.0
     2008021806          46.40         -18.50          995.0           40.0
     2008021812          45.90         -19.20          996.0           35.0
     2008021818          45.50         -19.90         1000.0           30.0
     2008021900          45.10         -20.50         1000.0           30.0
     2008021906          44.60         -21.00         1000.0           30.0
     2008021912          44.10         -21.40         1000.0           30.0
     2008021918          43.60         -21.80         1000.0           30.0
     2008022000          43.10         -22.30         1007.0           20.0
     2008022006          42.70         -22.80         1007.0           20.0