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README.md

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 # cyclonetracking
 Lagrangian cyclone tracking algorithm developed while at the National Snow and Ice Data Center
-Inputs include several raster data sets: sea level pressure fields, a digital elevation model, arrays of latitude, longitude, and x and y distances across the input grid. A suite of parameters set by the user are also needed, and the algorithm assumes that the user has already a) set up some output directories and b) regridded all inputs to an equal-area grid.  Polar grids (e.g., the EASE2 grid) are ideal. An example script is included in Version 12 Scripts that shows how ERA5 data were converted.
+Inputs include several raster data sets: sea level pressure fields, a digital elevation model, arrays of latitude, longitude, and x and y distances across the input grid. A suite of parameters set by the user are also needed, and the algorithm assumes that the user has already a) set up some output directories and b) regridded all inputs to an equal-area grid.  Polar grids (e.g., the EASE2 grid) are ideal. An example script is included in Version 12 and 13 scripts folders that shows how ERA5 data were converted.
 
 Please email Alex Crawford at alex.crawford -at- umanitoba.ca with questions.  If you use this algorithm, please a) let me know about the project and b) cite the paper that introduced the algortithm: