Hurricane Katia Time (UTC) W.Long N.Lat MPH Pr(mb) 2011 Aug 29 09:00 26.30 9.40 35 1009 2011 Aug 29 15:00 27.50 9.80 35 1008 2011 Aug 29 21:00 28.40 10.20 35 1008 2011 Aug 30 03:00 30.00 11.00 35 1008 2011 Aug 30 09:00 31.70 11.80 40 1006 2011 Aug 30 15:00 33.40 12.30 45 1003 2011 Aug 30 21:00 35.40 12.70 60 997 2011 Aug 31 03:00 37.50 13.30 60 997 2011 Aug 31 09:00 39.10 13.90 65 994 2011 Aug 31 15:00 40.80 14.20 65 994 2011 Aug 31 21:00 42.60 14.60 70 990 2011 Sep 01 03:00 44.40 15.00 75 987 2011 Sep 01 09:00 45.90 15.20 75 987 2011 Sep 01 15:00 47.50 15.50 75 987 2011 Sep 01 21:00 49.20 16.10 70 990 2011 Sep 02 03:00 50.60 16.70 70 990 2011 Sep 02 09:00 51.80 17.00 70 994 2011 Sep 02 15:00 52.40 17.50 75 991 2011 Sep 02 21:00 53.50 18.40 75 989 2011 Sep 03 03:00 54.30 18.50 75 988 2011 Sep 03 09:00 55.10 19.30 75 988 2011 Sep 03 15:00 55.80 19.60 75 989 2011 Sep 03 21:00 56.80 19.90 70 993 2011 Sep 04 03:00 57.40 20.30 70 992 2011 Sep 04 09:00 58.50 21.40 70 992 2011 Sep 04 15:00 59.20 21.90 100 966 2011 Sep 04 21:00 60.10 22.70 105 965 2011 Sep 05 03:00 61.00 23.40 105 965 2011 Sep 05 09:00 62.00 23.90 100 972 2011 Sep 05 15:00 63.30 24.60 110 965 2011 Sep 05 21:00 63.90 25.20 115 959 2011 Sep 06 03:00 64.40 25.80 135 946 2011 Sep 06 09:00 65.10 26.50 125 950 2011 Sep 06 15:00 65.90 27.00 120 954 2011 Sep 06 18:00 66.40 27.30 115 963 2011 Sep 06 21:00 66.70 27.60 105 963 2011 Sep 07 00:00 66.90 27.80 105 963 2011 Sep 07 03:00 67.20 28.10 105 963 2011 Sep 07 06:00 67.50 28.40 105 963 2011 Sep 07 09:00 67.90 28.70 90 973 2011 Sep 07 12:00 68.40 29.00 90 973 2011 Sep 07 15:00 68.80 29.20 85 976 2011 Sep 07 18:00 69.10 29.40 85 978 2011 Sep 07 21:00 69.70 29.90 80 982 2011 Sep 08 00:00 69.90 30.20 80 982 2011 Sep 08 03:00 70.00 30.80 80 982 2011 Sep 08 06:00 70.20 31.40 90 975 2011 Sep 08 09:00 70.20 32.00 90 970 2011 Sep 08 12:00 70.20 32.80 90 970 2011 Sep 08 15:00 70.10 33.60 90 970 2011 Sep 08 18:00 70.00 34.20 85 973 2011 Sep 08 21:00 69.60 34.90 85 973 2011 Sep 09 03:00 68.80 36.30 85 973 2011 Sep 09 09:00 67.50 37.60 85 967 2011 Sep 09 15:00 65.80 39.30 85 968 2011 Sep 09 21:00 62.70 40.60 85 970 2011 Sep 10 03:00 58.00 41.30 85 970 2011 Sep 10 09:00 53.40 43.30 80 970 2011 Sep 10 15:00 47.70 44.70 80 954