Best track information for NWP 1999 199902 IRIS
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1999021318         137.70          11.20            0.0           20.0
     1999021400         137.30          11.00            0.0           20.0
     1999021406         136.90          11.00            0.0           20.0
     1999021412         136.50          11.20            0.0           20.0
     1999021418         136.10          11.20            0.0           25.0
     1999021500         135.70          11.20            0.0           20.0
     1999021506         135.20          11.30            0.0           20.0
     1999021512         134.60          11.40            0.0           20.0
     1999021518         134.00          11.50            0.0           20.0
     1999021600         133.30          11.70            0.0           25.0
     1999021606         133.00          11.80            0.0           25.0
     1999021612         132.60          11.80            0.0           30.0
     1999021618         131.90          11.80            0.0           30.0
     1999021700         130.70          12.00            0.0           35.0
     1999021706         129.20          12.30            0.0           35.0
     1999021712         128.40          12.70            0.0           35.0
     1999021718         127.80          13.00            0.0           35.0
     1999021800         127.40          13.30            0.0           30.0
     1999021806         127.00          13.60            0.0           30.0
     1999021812         126.70          13.90            0.0           30.0
     1999021818         126.30          14.20            0.0           25.0
     1999021900         126.30          14.20            0.0           15.0