Best track information for SPA 2011 201111 YASI
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2011012900         173.60         -14.40         1007.0           20.0
     2011012906         172.90         -14.10         1004.0           25.0
     2011012912         172.00         -13.90         1000.0           30.0
     2011012918         171.20         -13.50         1000.0           30.0
     2011013000         170.10         -13.30          993.0           40.0
     2011013006         168.80         -13.20          989.0           45.0
     2011013012         167.50         -13.40          985.0           50.0
     2011013018         166.10         -13.50          978.0           60.0
     2011013100         164.50         -13.60          974.0           65.0
     2011013106         162.50         -13.50          967.0           75.0
     2011013112         160.50         -13.50          956.0           90.0
     2011013118         158.50         -13.70          956.0           90.0
     2011020100         156.60         -14.10          952.0           95.0
     2011020106         154.90         -14.40          948.0          100.0
     2011020112         153.30         -15.00          933.0          120.0
     2011020118         151.60         -15.80          929.0          125.0
     2011020200         149.80         -16.40          926.0          130.0
     2011020206         148.10         -17.00          922.0          135.0
     2011020212         146.90         -17.50          922.0          135.0
     2011020218         145.20         -18.20          941.0          110.0
     2011020300         143.20         -19.40          963.0           80.0
     2011020306         141.60         -19.90          985.0           50.0
     2011020312         140.40         -20.40          993.0           40.0
     2011020318         139.40         -21.00         1000.0           30.0
     2011020400         138.50         -21.60         1000.0           30.0
     2011020406         137.80         -22.40         1004.0           25.0
     2011020412         137.00         -23.20         1004.0           25.0
     2011020418         136.40         -24.20         1004.0           25.0
     2011020500         135.40         -24.90         1004.0           25.0
     2011020506         135.10         -25.30         1004.0           25.0
     2011020512         134.50         -25.30         1004.0           25.0
     2011020518         133.80         -25.10         1004.0           25.0
     2011020600         132.80         -25.00         1004.0           25.0
     2011020606         131.60         -24.80         1004.0           25.0
     2011020612         130.90         -24.70         1004.0           25.0
     2011020618         129.80         -24.70         1004.0           25.0