Best track information for ATL 2011 201109 IRENE
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2011082100         301.00          15.00         1006.0           45.0
     2011082106         299.40          16.00         1006.0           45.0
     2011082112         297.80          16.80         1005.0           45.0
     2011082118         296.30          17.50          999.0           50.0
     2011082200         295.00          17.90          993.0           60.0
     2011082206         294.10          18.20          990.0           65.0
     2011082212         293.00          18.90          989.0           70.0
     2011082218         292.00          19.30          988.0           75.0
     2011082300         291.20          19.70          981.0           80.0
     2011082306         290.30          20.10          978.0           80.0
     2011082312         289.40          20.40          978.0           80.0
     2011082318         288.80          20.70          977.0           80.0
     2011082400         288.10          21.00          969.0           80.0
     2011082406         287.50          21.30          965.0           95.0
     2011082412         286.70          21.90          957.0          105.0
     2011082418         285.70          22.70          954.0          100.0
     2011082500         284.90          23.50          952.0           95.0
     2011082506         284.10          24.10          950.0           95.0
     2011082512         283.40          25.40          950.0           90.0
     2011082518         282.80          26.50          950.0           90.0
     2011082600         282.70          27.70          946.0           90.0
     2011082606         282.70          28.80          942.0           90.0
     2011082612         282.60          30.00          947.0           85.0
     2011082618         282.50          31.10          950.0           80.0
     2011082700         282.90          32.10          952.0           75.0
     2011082706         283.20          33.40          952.0           75.0
     2011082712         283.40          34.70          952.0           75.0
     2011082718         283.70          35.50          950.0           65.0
     2011082800         284.30          36.70          951.0           65.0
     2011082806         285.00          38.10          958.0           65.0
     2011082812         285.90          40.30          963.0           55.0
     2011082818         286.90          42.50          970.0           50.0
     2011082900         287.90          44.20          979.0           45.0
     2011082906         290.50          46.50          983.0           40.0
     2011082912         293.30          49.10          985.0           40.0
     2011082918         296.20          51.30          987.0           40.0
     2011083000         300.00          53.00          991.0           40.0