Best track information for ATL 2009 200902 BILL
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2009081506         328.00          11.80         1007.0           30.0
     2009081512         326.70          11.50         1006.0           30.0
     2009081518         325.50          11.20         1004.0           35.0
     2009081600         324.50          11.20         1004.0           35.0
     2009081606         323.50          11.50         1002.0           40.0
     2009081612         322.20          12.00          997.0           50.0
     2009081618         320.60          12.60          994.0           55.0
     2009081700         318.70          13.10          990.0           60.0
     2009081706         316.80          13.50          987.0           65.0
     2009081712         315.40          13.90          977.0           75.0
     2009081718         314.00          14.40          970.0           80.0
     2009081800         312.50          14.80          967.0           85.0
     2009081806         311.00          15.30          965.0           90.0
     2009081812         309.70          15.70          963.0           95.0
     2009081818         308.30          16.20          962.0          100.0
     2009081900         307.10          16.90          955.0          105.0
     2009081906         305.80          17.60          954.0          115.0
     2009081912         304.40          18.30          949.0          115.0
     2009081918         303.10          19.30          947.0          115.0
     2009082000         301.80          20.20          945.0          115.0
     2009082006         300.40          21.10          949.0          115.0
     2009082012         299.00          22.10          952.0          105.0
     2009082018         297.60          23.10          948.0          110.0
     2009082100         296.30          24.10          943.0          110.0
     2009082106         295.10          25.50          951.0          105.0
     2009082112         294.00          27.10          954.0          100.0
     2009082118         293.10          28.60          956.0           95.0
     2009082200         292.40          30.40          957.0           90.0
     2009082206         291.60          32.30          960.0           90.0
     2009082212         291.20          34.10          961.0           85.0
     2009082218         291.10          36.00          961.0           80.0
     2009082300         291.60          38.10          961.0           80.0
     2009082306         292.70          40.10          962.0           75.0
     2009082312         294.60          42.40          965.0           70.0
     2009082318         297.50          44.40          970.0           65.0
     2009082400         302.10          46.30          973.0           65.0
     2009082406         307.00          48.00          980.0           60.0
     2009082412         312.80          49.20          980.0           60.0
     2009082418         318.80          50.00          980.0           60.0
     2009082500         324.60          50.30          980.0           60.0
     2009082506         330.40          50.70          980.0           60.0
     2009082512         336.20          51.20          980.0           60.0
     2009082518         342.00          52.00          982.0           50.0
     2009082600         347.00          53.00          985.0           40.0