Best track information for NWP 1998 199825 GIL
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1998120812         113.90           7.60            0.0           20.0
     1998120818         112.80           7.60            0.0           20.0
     1998120900         111.60           7.50            0.0           25.0
     1998120906         110.60           7.50            0.0           25.0
     1998120912         109.50           7.60            0.0           25.0
     1998120918         108.60           7.80            0.0           30.0
     1998121000         107.90           8.00            0.0           30.0
     1998121006         107.20           8.10            0.0           30.0
     1998121012         106.30           8.10            0.0           30.0
     1998121018         105.70           8.10            0.0           35.0
     1998121100         105.10           8.20            0.0           35.0
     1998121106         104.40           8.30            0.0           35.0
     1998121112         103.60           8.40            0.0           35.0
     1998121118         102.70           8.40            0.0           35.0
     1998121200         101.80           8.30            0.0           35.0
     1998121206         100.90           8.00            0.0           35.0
     1998121212         100.30           7.80            0.0           30.0
     1998121218          99.90           7.80            0.0           25.0
     1998121300          99.80           8.00            0.0           20.0