Best track information for ATL 2008 200813 MARCO
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2008100600         268.30          18.50         1006.0           25.0
     2008100606         267.30          18.60         1005.0           30.0
     2008100612         266.30          18.90         1002.0           40.0
     2008100618         265.50          19.40          999.0           50.0
     2008100700         264.80          19.70          998.0           55.0
     2008100706         264.10          19.80          998.0           55.0
     2008100712         263.50          19.90          998.0           55.0
     2008100718         263.10          19.90         1007.0           30.0