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RAMMB: Regional and Mesoscale Meteorology Branch logo CIRA: Cooperative Institute for Research in the Atmosphere logo NESDIS: NOAA Environmental Satellite, Data, and Information Service logo

Announcement: Please visit out new web application, SLIDER, for every pixel of real-time GOES-16 and Himawari-8 imagery.

EXPERIMENTAL Tropical Cyclone Formation Probability Guidance Product

Nov 15 2012: This is an EXPERIMENTAL version of Tropical Cyclone Formation Probability Product that is currently in a TESTING phase. Frequent changes will be made to this product and website without warning and support will be limited during the development and testing phase. During this time, please use the operational product supported by NESDIS at

FOR GUIDANCE PURPOSES ONLY - Official Tropical Cyclone forecasts are provided by the National Hurricane Center (

Combined image of all basins
Combined image of all basins
Combined image of all basins
TD/TS Symbol Tropical Depression / Tropical Storm Hurricane Symbol Hurricane