Best track information for ATL 2007 200703 CHANTAL
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2007073100         293.50          35.50         1007.0           30.0
     2007073106         294.50          37.10         1004.0           35.0
     2007073112         295.80          39.10          999.0           45.0
     2007073118         297.70          40.70          999.0           45.0
     2007080100         300.00          42.50          994.0           45.0
     2007080106         302.50          44.00          992.0           45.0
     2007080112         305.50          46.00          990.0           55.0
     2007080118         310.50          49.00          988.0           60.0
     2007080200         317.00          53.00          985.0           60.0
     2007080206         321.50          55.50          975.0           50.0
     2007080212         324.60          57.50          970.0           50.0
     2007080218         326.10          58.60          967.0           55.0
     2007080300         327.90          58.90          964.0           60.0
     2007080306         329.60          58.90          964.0           60.0
     2007080312         332.00          58.90          964.0           60.0
     2007080318         334.80          58.90          967.0           55.0
     2007080400         337.40          59.10          967.0           55.0
     2007080406         340.90          59.50          970.0           50.0
     2007080412         343.70          60.70          975.0           50.0
     2007080418         346.00          61.70          978.0           45.0
     2007080500         348.00          62.70          980.0           45.0
     2007080506         350.50          64.00          982.0           45.0
     2007080512         353.00          66.00          985.0           35.0