Best track information for NWP 2005 200503 SONCA
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2005041618         150.80           6.90         1006.0           15.0
     2005041700         150.50           7.00         1006.0           15.0
     2005041706         150.00           7.30         1006.0           15.0
     2005041712         149.60           7.80         1004.0           20.0
     2005041718         149.30           8.50         1002.0           25.0
     2005041800         148.70           9.20         1002.0           25.0
     2005041806         147.90           9.80         1002.0           25.0
     2005041812         147.00          10.10         1002.0           25.0
     2005041818         146.00          10.10         1002.0           25.0
     2005041900         145.10           9.80         1002.0           25.0
     2005041906         144.50           9.50         1002.0           25.0
     2005041912         143.90           9.20         1002.0           25.0
     2005041918         143.50           8.70         1002.0           25.0
     2005042000         143.30           8.30         1002.0           25.0
     2005042006         142.90           8.00         1002.0           25.0
     2005042012         142.30           8.00         1002.0           25.0
     2005042018         141.80           8.00         1002.0           25.0
     2005042100         141.00           8.10         1002.0           25.0
     2005042106         140.20           8.50         1002.0           25.0
     2005042112         139.40           9.20         1002.0           25.0
     2005042118         138.40          10.00         1002.0           25.0
     2005042200         137.20          10.70         1004.0           25.0
     2005042206         135.80          11.20         1000.0           30.0
     2005042212         134.50          11.40         1000.0           30.0
     2005042218         133.40          11.60          997.0           35.0
     2005042300         132.70          11.80          997.0           35.0
     2005042306         132.00          12.10          984.0           55.0
     2005042312         131.50          12.60          976.0           65.0
     2005042318         131.20          13.10          967.0           75.0
     2005042400         130.90          13.50          954.0           90.0
     2005042406         130.80          14.00          933.0          110.0
     2005042412         130.80          14.60          927.0          115.0
     2005042418         131.00          15.30          927.0          115.0
     2005042500         131.30          16.00          927.0          115.0
     2005042506         131.70          16.70          927.0          115.0
     2005042512         132.20          17.60          933.0          110.0
     2005042518         133.00          18.80          938.0          105.0
     2005042600         134.20          20.20          944.0          100.0
     2005042606         135.90          21.80          949.0           95.0
     2005042612         138.10          23.30          954.0           90.0
     2005042618         140.40          24.80          984.0           55.0
     2005042700         143.10          26.00          984.0           55.0