United States Landfalling Hurricane Probability Project

The United States Landfalling Hurricane Probability webpage has recently been updated. Please click here for a description of the changes that have been made to the webpage.

·         Interactive Landfall Probability Display
The user selects a county, and landfall probabilities based on William Gray's 2008 tropical cyclone forecast are presented.  The numbers in parentheses are the climatological averages based on landfalling tropical cyclones in HURDAT.  Please see the update above to see when statistics were started for each region along the United States coastline.

·         Landfall Probability Table
A Microsoft Excel table displaying all landfall probability calculations

·         FAQ
A list of frequently asked questions about how these landfall probabilities were calculated.

·         Methodology Documentation
A Microsoft Word document describing how the landfall probabilities were calculated.


The United States landfalling hurricane web project has been co-developed by William Gray's Tropical Meteorology Research Project at Colorado State University and the GeoGraphics Laboratory at Bridgewater State College.