Best track information for EPA 1999 199909 IRWIN
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1999100812         255.00          17.30         1005.0           30.0
     1999100818         254.90          17.70         1004.0           35.0
     1999100900         254.70          18.10         1000.0           40.0
     1999100906         254.30          18.40          998.0           45.0
     1999100912         253.60          18.80          998.0           45.0
     1999100918         252.90          19.00          996.0           50.0
     1999101000         252.00          19.10          997.0           50.0
     1999101006         251.00          19.20          998.0           45.0
     1999101012         250.00          19.10         1000.0           40.0
     1999101018         249.20          18.90         1003.0           35.0
     1999101100         248.70          18.40         1004.0           30.0
     1999101106         248.00          18.00         1007.0           25.0