A dataset containing polygons representing the movement of Hurricane Katrina from 21:00 26-AUG-2005 to 21:00 29-AUG-2005. Polygon contours were extracted from the US NOAA H*Wind product, downloadable from: http://www.aoml.noaa.gov/hrd/data_sub/wind.html
SpatialPolygonsDataFrame with 33 records of of the location of Hurricane Katrina, every
3 hrs, from 21:00 25-AUG-2005 to 21:00 29-AUG-2005. The date and time of each polygon is recorded in the
katrina dataset contains polygons that were derived from the raw NOAA H*Wind data. The 39 mph isotach
(contour of equal wind speed) was used to delineate, as a spatial polygon, the extent of Hurricane Katrina
at a given time. Polygons were derived at 3 hr intervals; which means there are 33 different time points in
Powell, M.D., Murillo, S., Dodge, P., Uhlhorn, E., Gamache, J., Cardone, V., Cox, A., Otero, S., Carrasco, N.,
Annane, B., St. Fleur, R. (2010) Reconstruction of Hurricane Katrina's wind fields for storm surge and wave
hindcasting. Ocean Engineering, 37, 26-36.
Powell, M.D., Houston, S.H. (1998) The HMD real-time hurricane wind analysis system. Journal of Wind Engineering and Industrial Aerodynamics, 77\&78, 53-64.
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