Best track information for EPA 1998 199809 ISIS
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1998090100         250.80          18.30         1004.0           25.0
     1998090106         250.70          18.80         1004.0           25.0
     1998090112         250.50          19.30         1002.0           30.0
     1998090118         250.40          20.00          995.0           45.0
     1998090200         250.40          21.20          990.0           60.0
     1998090206         250.50          22.20          990.0           60.0
     1998090212         250.60          23.30          990.0           60.0
     1998090218         250.80          24.10          988.0           65.0
     1998090300         251.00          25.10          990.0           65.0
     1998090306         250.90          26.10          992.0           60.0
     1998090312         250.80          27.00          998.0           45.0
     1998090318         250.50          28.00         1001.0           25.0