The recent change from daylight saving time to standard time means that products from the National Hurricane Center and other forecast agencies are available one hour earlier. Users tracking Tropical Storm Nicole from the Eastern Time Zone should get these changes automatically in HURREVAC. Regular advisory packages (complete with new forecast tracks and discussions) are […]

Catch up on our recent activities through this PDF of the National Hurricane Program’s mid-season newsletter. If you wish to sign up to receive future editions of this newsletter via email, and visit In April at the National Hurricane Conference, representatives from the National Hurricane Program also recorded an episode for Before, During & After: […]

HURREVAC’s Track and Swath Options interface has been redesigned to give users more choices for how to display storm tracks and forecasts. The existing capabilities are unchanged. The most significant new feature is the ability to plot Previous Forecast Tracks for either the last 3 advisories or the last 6 advisories (not including intermediate advisories). This lets users see trends in a storm’s […]

The 2022 season version of HURREVAC features a refined interface, improvements to tools, and expanded learning resources. Major upgrades 1.)  The 2022 version introduces a revamped HURREVAC logo and Toolbox icons. This is the first phase of a long-term project to optimize and align the overall user interface. 2.)  A comprehensive User Guide is now available. Dozens of new […]

In preparation for the start of the 2022 hurricane season, HURREVAC’s systems were temporarily taken offline tonight between 8 and 11 PM Eastern. Upgrades are now complete and service is fully restored. Contact if you have any questions or troubles. Another announcement describing new features in HURREVAC for the 2022 hurricane season will be […]

Emergency managers in Georgia and South Carolina should use the updated Charleston basin (CH3) and associated high-resolution MEOWs in HURREVAC to understand their storm surge risk as it relates to both planning and operational decision-making. The Charleston basin, identified herein as CH3, was updated by the National Hurricane Center Storm Surge Unit and released by […]

During today’s HURREVAC classes taking place at the Florida Governor’s Hurricane Conference, we will be piloting a couple of brand new training modules. They are available on the following development site:

Registration is now open for the National Hurricane Program’s annual HURREVAC webinar series. Please join us each afternoon during the week of June 6th for a look at what’s new in HURREVAC beginning with the 2022 season and to gain a comprehensive understanding of the program’s utility to emergency managers.

Past Wind Swath for Hurricane Douglas

Hurricane Douglas has just finished its track across the Pacific Ocean, skirting closer to the Hawaiian Islands than any other tropical system in many years. Just how close was Hawaii’s brush with Douglas? This is the perfect opportunity to introduce a brand new tool in HURREVAC to answer this question–the Past Wind Swath. Each main […]

HURREVAC Webinars on YouTube

The National Hurricane Program’s annual HURREVAC webinar series concluded today. Thank you to the over 1,200 emergency managers who participated in the live sessions. Did you miss the live sessions? No worries… recordings and slides are available for you to take in at your convenience.