Best track information for ATL 2011 201104 DON
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2011072706         274.30          21.60         1007.0           30.0
     2011072712         273.80          21.80         1006.0           30.0
     2011072718         273.30          22.00         1003.0           35.0
     2011072800         272.60          22.30         1000.0           35.0
     2011072806         271.60          22.90         1000.0           35.0
     2011072812         270.50          23.70         1001.0           40.0
     2011072818         269.30          24.20         1004.0           40.0
     2011072900         268.10          24.60          997.0           45.0
     2011072906         266.90          25.10         1000.0           45.0
     2011072912         265.70          25.80         1002.0           45.0
     2011072918         264.50          26.40         1004.0           45.0
     2011073000         263.10          27.00         1006.0           35.0
     2011073006         261.90          27.80         1009.0           25.0