Climate monitoring bulletin for the major river basins

The Amazon Basin

Volume 03 - Number 19

Publication date: May 7, 2025

Periodicity: Weekly

ISSN 2965-7857 • DOI 10.61818/78570419

Precipitation anomaly in the Amazon Basin
Legends

Current conditions

Maps of observed precipitation conditions, individual graphics by basin are produced from MERGE/GPM data generated by INPE/CPTEC, considering the period from de 2000 a 2024. Between April 8 to May 7, 2025, rainfall below climatology in the monitored area was characterized by a precipitation deficit on the main course of the Amazon River in Brazilian and Peruvian territory, the hydrographic basins of the Abacaxis, Aripuanã, Branco, Coari, Curuá Una, Içá, Iriri, Japurá, Javari, Ji-Paraná, Juruá, Jutaí, Madeira, basins on the left bank of the Amazon River in the northeast of the state of Amazonas and the northeast and northwest of the state of Pará, Napo, Negro, Purus, Tapajós, Tefé, Xingu and the main course of the Solimões River, rainfall above climatology characterized the basins of the Beni, Guaporé, Mamoré and Teles Pires rivers. Rainfall behavior close to climatology over the Juruena, Marañon and Ucayali river basins. The multimodel forecast indicates a predominance of rainfall below the climatology in the west, south and east of the monitored region over the main course of the Amazon River in Brazilian territory and the basins of the Aripuanã, Beni, Curuá Una, Iriri, Ji- Paraná, Juruena, Marañon rivers, basins on the left bank of the Amazon River in the northwest of the state of Pará, Tapajós, Tefé, Ucayali and Xingu, rainfall above the climatology forecast in the north of the region over the basins of the Branco, Içá, Japurá, Jutaí, Negro rivers and the main course of the Solimões River.

Sections