Best track information for EPA 2011 201107 GREG
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2011081618         261.00          13.90         1006.0           30.0
     2011081700         259.90          14.70         1006.0           30.0
     2011081706         258.50          15.50         1004.0           35.0
     2011081712         256.60          16.30         1000.0           45.0
     2011081718         254.40          16.90          994.0           55.0
     2011081800         252.50          17.30          987.0           65.0
     2011081806         250.80          17.80          980.0           70.0
     2011081812         249.20          18.30          979.0           75.0
     2011081818         248.00          18.60          980.0           75.0
     2011081900         246.70          18.80          983.0           70.0
     2011081906         245.50          19.00          987.0           65.0
     2011081912         244.50          19.30          990.0           60.0
     2011081918         243.50          19.50          994.0           50.0
     2011082000         242.40          19.60          997.0           45.0
     2011082006         241.40          19.70         1000.0           40.0
     2011082012         240.50          19.80         1004.0           35.0
     2011082018         239.90          19.90         1008.0           30.0
     2011082100         239.30          20.00         1008.0           30.0
     2011082106         238.50          20.10         1008.0           30.0
     2011082112         237.60          20.20         1008.0           30.0
     2011082118         236.60          20.00         1008.0           25.0
     2011082200         235.70          19.80         1008.0           20.0
     2011082206         235.00          19.60         1008.0           20.0
     2011082212         234.40          19.60         1008.0           20.0
     2011082218         233.80          19.60         1008.0           20.0
     2011082300         233.20          19.60         1009.0           20.0