Best track information for NIO 1998 199802 NONAME
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1998052706          61.40          11.20            0.0           30.0
     1998052712          60.90          11.90            0.0           30.0
     1998052718          60.60          12.50            0.0           30.0
     1998052800          60.40          12.80            0.0           35.0
     1998052806          59.70          13.40            0.0           35.0
     1998052812          59.30          13.60            0.0           35.0
     1998052818          59.10          13.90            0.0           30.0
     1998052900          59.00          14.30            0.0           30.0