Best track information for NWP 1998 199814 YANNI
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1998092406         134.20          12.90            0.0           15.0
     1998092412         133.50          13.70            0.0           20.0
     1998092418         132.80          14.60            0.0           20.0
     1998092500         131.90          15.50            0.0           25.0
     1998092506         130.70          16.50            0.0           30.0
     1998092512         129.50          17.50            0.0           30.0
     1998092518         128.30          18.20            0.0           30.0
     1998092600         127.20          18.80            0.0           30.0
     1998092606         126.40          19.40            0.0           30.0
     1998092612         125.50          20.00            0.0           30.0
     1998092618         124.90          20.50            0.0           30.0
     1998092700         124.30          21.00            0.0           30.0
     1998092706         123.70          21.50            0.0           30.0
     1998092712         122.90          22.00            0.0           35.0
     1998092718         122.40          22.50            0.0           45.0
     1998092800         122.30          23.20            0.0           55.0
     1998092806         122.40          23.80            0.0           65.0
     1998092812         122.60          24.50            0.0           70.0
     1998092818         123.00          25.30            0.0           75.0
     1998092900         123.60          26.30            0.0           80.0
     1998092906         124.40          27.40            0.0           80.0
     1998092912         125.50          28.80            0.0           75.0
     1998092918         126.20          30.90            0.0           65.0
     1998093000         126.80          33.20            0.0           55.0
     1998093006         127.10          34.40            0.0           50.0
     1998093012         127.30          34.60            0.0           40.0
     1998093018         127.50          34.40            0.0           35.0
     1998100100         127.90          33.90            0.0           30.0
     1998100106         128.10          33.00            0.0           25.0
     1998100112         128.40          32.00            0.0           25.0
     1998100118         128.60          30.90            0.0           25.0
     1998100200         128.90          29.70            0.0           20.0