Best track information for ATL 1999 199909 IRENE
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1999101212         278.00          15.90         1006.0           20.0
     1999101218         277.00          16.40         1006.0           20.0
     1999101300         276.80          16.70         1005.0           20.0
     1999101306         276.70          17.30         1004.0           30.0
     1999101312         276.60          18.50         1003.0           35.0
     1999101318         276.40          19.80         1001.0           45.0
     1999101400         276.40          20.70          999.0           55.0
     1999101406         276.40          21.00          999.0           60.0
     1999101412         277.10          21.30          997.0           60.0
     1999101418         277.60          22.40          995.0           60.0
     1999101500         277.40          23.10          988.0           60.0
     1999101506         277.80          23.80          988.0           65.0
     1999101512         278.20          24.40          987.0           65.0
     1999101518         278.70          25.10          986.0           65.0
     1999101600         279.40          26.10          986.0           65.0
     1999101606         279.80          27.00          985.0           65.0
     1999101612         279.90          27.80          982.0           65.0
     1999101618         280.10          28.60          984.0           65.0
     1999101700         280.20          29.40          984.0           65.0
     1999101706         280.20          30.20          985.0           65.0
     1999101712         280.30          31.20          984.0           65.0
     1999101718         281.00          32.20          978.0           70.0
     1999101800         282.60          33.40          976.0           80.0
     1999101806         284.80          34.80          964.0           95.0
     1999101812         288.40          36.80          960.0           90.0
     1999101818         292.60          39.00          968.0           80.0
     1999101900         299.00          41.50          968.0           80.0
     1999101906         308.50          44.90          968.0           80.0
     1999101912         312.00          48.00          968.0           80.0
     1999101918         315.00          51.00          968.0           80.0