Best track information for ATL 2009 200909 IDA
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2009110406         278.70          11.00         1007.0           30.0
     2009110412         278.20          11.40         1004.0           35.0
     2009110418         277.70          11.80          998.0           45.0
     2009110500         277.20          12.30          995.0           55.0
     2009110506         276.70          12.60          987.0           65.0
     2009110512         276.40          12.90          985.0           70.0
     2009110518         276.20          13.20          996.0           50.0
     2009110600         276.10          13.60         1003.0           35.0
     2009110606         276.00          14.10         1005.0           30.0
     2009110612         276.10          14.70         1006.0           30.0
     2009110618         276.10          15.40         1007.0           30.0
     2009110700         276.00          16.10         1006.0           30.0
     2009110706         276.00          16.80         1004.0           35.0
     2009110712         276.00          17.70          997.0           55.0
     2009110718         275.90          18.70          990.0           60.0
     2009110800         275.50          19.50          987.0           70.0
     2009110806         274.70          20.10          984.0           80.0
     2009110812         274.20          20.90          983.0           85.0
     2009110818         273.80          21.90          975.0           85.0
     2009110900         273.50          23.00          979.0           90.0
     2009110906         272.50          24.40          988.0           80.0
     2009110912         271.70          26.30          989.0           60.0
     2009110918         271.40          27.90          990.0           65.0
     2009111000         271.30          28.90          993.0           60.0
     2009111006         271.40          29.80          998.0           50.0
     2009111012         272.00          30.30          999.0           35.0
     2009111018         272.80          30.60         1002.0           30.0
     2009111100         273.70          30.60         1005.0           25.0
     2009111106         274.50          30.80         1006.0           25.0