Best track information for EPA 2011 201109 IRWIN
      Date&time      longitude       latitude  Min SLP (hPa)   Vmax (knots)
     2011100418         248.30          11.60         1009.0           25.0
     2011100500         247.40          11.50         1009.0           25.0
     2011100506         246.80          11.40         1009.0           25.0
     2011100512         246.10          11.40         1009.0           25.0
     2011100518         245.40          11.60         1009.0           25.0
     2011100600         244.70          11.90         1007.0           25.0
     2011100606         244.00          12.10         1006.0           30.0
     2011100612         243.30          12.30         1004.0           35.0
     2011100618         242.40          12.50          999.0           50.0
     2011100700         241.50          12.90          995.0           60.0
     2011100706         240.70          13.30          989.0           70.0
     2011100712         240.00          13.60          981.0           80.0
     2011100718         239.50          13.80          977.0           85.0
     2011100800         239.20          13.90          976.0           85.0
     2011100806         239.00          14.10          980.0           80.0
     2011100812         239.00          14.30          985.0           70.0
     2011100818         239.10          14.40          991.0           60.0
     2011100900         239.30          14.60         1001.0           45.0
     2011100906         239.60          14.90         1004.0           35.0
     2011100912         240.00          15.10         1004.0           35.0
     2011100918         240.40          15.20         1003.0           40.0
     2011101000         240.90          15.20         1003.0           40.0
     2011101006         241.50          15.20         1003.0           40.0
     2011101012         242.10          15.20         1003.0           40.0
     2011101018         242.80          15.10         1003.0           40.0
     2011101100         243.50          15.10         1004.0           35.0
     2011101106         244.10          15.10         1004.0           35.0
     2011101112         244.70          15.00         1003.0           40.0
     2011101118         245.50          14.80         1001.0           45.0
     2011101200         246.40          14.80         1001.0           45.0
     2011101206         247.50          15.00         1002.0           40.0
     2011101212         248.80          15.60         1002.0           40.0
     2011101218         250.00          16.50         1003.0           35.0
     2011101300         251.10          17.40         1004.0           30.0
     2011101306         251.90          18.10         1004.0           30.0
     2011101312         252.50          18.60         1004.0           30.0
     2011101318         253.20          19.00         1003.0           35.0
     2011101400         253.30          19.20         1002.0           35.0
     2011101406         253.20          19.20         1002.0           35.0
     2011101412         253.10          18.90         1002.0           40.0
     2011101418         253.20          18.50         1003.0           40.0
     2011101500         253.60          18.00         1003.0           40.0
     2011101506         253.70          17.40         1003.0           35.0
     2011101512         253.60          16.70         1003.0           35.0
     2011101518         253.30          15.80         1004.0           30.0
     2011101600         253.00          15.10         1004.0           30.0
     2011101606         252.80          14.50         1005.0           30.0
     2011101612         252.50          13.90         1006.0           30.0
     2011101618         252.10          13.70         1006.0           30.0
     2011101700         251.80          13.90         1007.0           25.0
     2011101706         251.50          14.30         1007.0           25.0
     2011101712         251.30          14.90         1008.0           20.0
     2011101718         251.00          15.40         1009.0           15.0
     2011101800         250.50          15.60         1009.0           15.0
     2011101806         250.40          15.80         1010.0           15.0
     2011101812         250.50          15.60         1010.0           15.0