Best track information for NWP 1999 199923 ANN
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     1999091500         129.40          26.50            0.0           15.0
     1999091506         129.40          26.80            0.0           20.0
     1999091512         129.30          27.40            0.0           20.0
     1999091518         129.00          28.80            0.0           30.0
     1999091600         128.10          29.50            0.0           30.0
     1999091606         127.30          29.60            0.0           40.0
     1999091612         127.00          29.50            0.0           40.0
     1999091618         126.50          29.60            0.0           40.0
     1999091700         126.10          29.60            0.0           40.0
     1999091706         125.70          29.70            0.0           40.0
     1999091712         125.30          29.80            0.0           45.0
     1999091718         124.70          30.00            0.0           45.0
     1999091800         124.30          30.30            0.0           45.0
     1999091806         124.00          30.70            0.0           45.0
     1999091812         123.20          31.30            0.0           45.0
     1999091818         122.30          31.90            0.0           45.0
     1999091900         121.90          32.60            0.0           40.0
     1999091906         122.30          33.80            0.0           35.0
     1999091912         123.20          34.20            0.0           35.0
     1999091918         124.40          34.40            0.0           25.0
     1999092000         125.60          34.60            0.0           25.0
     1999092006         126.40          34.70            0.0           20.0