NHC Updates 2025 Hurricane Season Products and Services Guidance

The National Hurricane Center (NHC) has published a link to their “NHC New Products/Updates 2025” document on their landing page. This document provides a summary of the changes that are being made (some on an experimental basis) to the information that they will provide on tropical cyclones during the 2025 Hurricane Season. The changes discussed include:

• Experimental Cone Graphic with a depiction of inland watches and warnings for the United States,

• U.S. Rip Current Risk Map For Active Tropical Cyclones,

• Updated Issuance Criteria for Potential Tropical Cyclone Advisory Products,

• Updates to the Forecast/Advisory (TCM) product including the extension of hurricane-force (74 mph, 64 kt) wind radii forecasts to day 3,

• Probabilistic Storm Surge for the Hawaiian Islands,

• Annual update to the track forecast error cone,

• Issuance of U.S. watches and warnings on Intermediate advisories,

• Pronunciation of storm names, and

• Social Media information.

Here’s an interesting idea for an AI product that would provide helpful information on tropical cyclone forecasts. Provide a clickable link for each 10-mile-square data set within the warning/watch areas on each track forecast diagram issued for tropical cyclones. That link would provide a summary of NHC data for that location, including forecast arrival time of tropical storm/hurricane winds, top wind speed, 3-hour rainfall, storm surge (for coastal areas), flood potential, and tornado probabilities. Under the current regime, NOAA is certainly not going to be funded to provide such information, but the gross data is available from current NOAA data sets and would be useful for planning purposes.