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This NOAA site will no longer provide GOES-East imagery. For access to high resolution GOES-East imagery from GOES-16, please go to the site: We apologize for the inconvenience and appreciate your patience.

South Atlantic Tropical Products

Active Storms:

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SPSD Tropical Program Products:

Dvorak Classifications
Sample Dvorak Image Subjective position and intensity estimates of tropical disturbances and cyclones across the globe using the internationally recognized Dvorak technique.

ATCF Format
ATCF Info|ATCF Format Description

Satellite Imagery
Sample Floater Image Static and animated imagery of GOES-East imagery covering tropical disturbances, tropical cyclones and Atlantic areas of interest provided by NESDIS/STAR.

Main Page | Tropical Atlantic Imagery

Sample Bulletin Image Text bulletins disseminated by 0400Z, 1000Z, 1600Z, and 2200Z describing the position and intensity estimates for tropical disturbances and tropical cyclones in the Eastern and Southern Hemispheres.

Microwave Positions
Sample Microwave Image Subjective position estimates of tropical disturbances and cyclones across the globe using a variety of microwave sensors.

ATCF Format

Sample MTCSWA Graphic MTCSWA combines information from several data sources to create a mid-level wind analysis which is then adjusted to the surface. Eight products are displayed, most notably an inner core scale surface wind analysis.

Sample TCFP Graphic The Tropical Cyclone Formation Probability Product provides an estimate of the probability of tropical cyclone formation within the next 24 hours in 1 by 1 degree latitude/longitude areas from 45S to 45N and 0 to 360E.

Outside Tropical Products:

Brazil National Institute of Meteorology*
INMET Image The Brazil National Institute of Meteorology is responsible for issuing the official warning for tropical cyclones in the South Atlantic Basin.

NCEP International Desk
NCEP Image NOAA's Hydrometeorological Prediction Center provides visiting scientists meteorological training with an emphasis on the operational use and application of numerical model products.

NOAA Environmental Visualization Laboratory
Sample OSEI Graphic High-resolution, detailed imagery of tropical cyclones as detected in remotely sensed data.



Users are reminded that posted SPSD position and intensity estimates are based on the application of the Dvorak technique to satellite imagery. Official determinations of systems' status, location and intensity are provided by the Regional Specialized Meteorological Centers listed above.