South America Forecast Discussion - International Desks
NWS Weather Prediction Center College Park MD
301 PM EDT Tue Oct 21 2025

GFS data at ftpprd.ncep.noaa.gov/data/nccf/com/gfs/prod/

South American Forecast Bulletin from 21 October 2025 at 1900 UTC

The South American Forecast Bulletin will not be updated on
Tuesday 21 October 2025. The next update will be on Wednesday 22
October 2025. The daily QPF charts are available in the link below.

We apologize for the inconvenience.

For the latest available charts please visit:
https://www.wpc.ncep.noaa.gov/international/sam_day1-3.shtml

Castellanos...(WPC)