Click here ( pdf NHC changes 2010 ) for a PowerPoint presentation noting some IMPORTANT changes the will soon be enacted by the National Hurricane Center. These changes are noted below.  

NHC changes effective May 15, 2010
  • •Watches/Warning 12 hours earlier
  • •Public Advisory format
  • •Tropical Cyclone Update format
  • •TWO genesis forecasts
  • •Post-tropical language
  • •Saffir-Simpson Scale
  • •Error cone size
  • •User Guides/Definitions
  • •Experimental products/Website Additions