The hurricane forecast cone is adjusted each year before June 1 based on the error rates of the previous five seasons. The average three-day NHC track forecast error ...
The cone represents the probable track of the storm's center, with a 66% chance of it staying within the cone. Misinterpretations of the cone include assuming all impacts will occur within its ...
As part of a suite of product improvements for the 2026 hurricane season [PDF], NOAA’s National Hurricane Center (NHC) is implementing two new tropical products and services: a new operational ...