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Check out the New Probabilistic Tropical Cyclone Graphics

The example page contains examples of all the new graphics and files:

The experimental page will only populate when JTWC is issuing bulletins in our area:

To learn more the new probabilistic tropical cyclone graphics, read our introduction here: Introducing New Probabilistic TC Graphics PDF


Provide Feedback on the New Graphics

The example and experimental pages contain links to surveys for the experimental products . Surveys can also be found below and are open through May 31, 2023:

Track/Error Cone Notification(survey link)
Wind Speed Probabilities Notification (survey link)
Time of Arrival Notification (survey link)


Note: The example and experimental pages are still being tested. Our current Tropical Cyclones page ( is still being used and will contain the Tropical Cyclone Public Advisory (TCP) and other TC products issued by WFO Guam.


Comments? Questions? Please Contact Us.