Best track information for SIO 1998 199901 NONAME
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1998072000          85.70          -4.80            0.0           25.0
     1998072006          85.20          -5.30            0.0           25.0
     1998072012          84.60          -5.70            0.0           25.0
     1998072018          84.00          -6.10            0.0           25.0
     1998072100          83.10          -6.50            0.0           25.0
     1998072106          82.30          -7.20            0.0           25.0
     1998072112          81.80          -8.20            0.0           30.0
     1998072118          81.20          -9.20            0.0           30.0
     1998072200          80.10          -9.60            0.0           35.0
     1998072206          79.20          -9.70            0.0           35.0
     1998072212          78.50         -10.00            0.0           30.0
     1998072218          78.00         -10.40            0.0           30.0
     1998072300          77.50         -10.60            0.0           30.0
     1998072306          76.90         -10.50            0.0           30.0
     1998072312          76.60         -10.30            0.0           30.0
     1998072318          76.30         -10.00            0.0           30.0
     1998072400          76.10          -9.70            0.0           30.0
     1998072406          76.20          -9.30            0.0           30.0
     1998072412          76.40          -9.00            0.0           30.0
     1998072418          76.50          -8.80            0.0           30.0
     1998072500          76.40          -8.50            0.0           30.0
     1998072506          76.00          -8.20            0.0           30.0
     1998072512          75.50          -8.00            0.0           30.0
     1998072518          74.90          -7.70            0.0           30.0
     1998072600          74.30          -7.40            0.0           25.0
     1998072606          73.70          -7.10            0.0           25.0
     1998072612          73.20          -6.90            0.0           25.0
     1998072618          72.70          -6.90            0.0           25.0
     1998072700          72.20          -7.00            0.0           25.0
     1998072706          71.70          -7.10            0.0           25.0