HURREVAC is the National Hurricane Program's hurricane decision support tool and can be used to assist government emergency managers in planning, decision-making and responding to tropical cyclone threats and evacuations. Access is restricted to authorized users with approved credentials, and these credentials are only valid for the individual for which they were assigned. Questions, comments and feedback should be directed to

Device and Browser Recommendations: As a web application, HURREVAC is designed to work across a broad array of physical devices and internet browsers. The large screens and keyboard/mouse input of desktop computers and laptops provide the fullest experience, but tablet and mobile phone usage is also possible. Recent versions of Chrome, Firefox, and Edge browsers are recommended for best results. IE11 is not supported.