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Evidences

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Asuncion records a level of 0.90 m

31/08/2026 Go to Evidence

0.90 metres was the observed level of the Paraguay River at the Asuncion station on 31 August 2026.

Dirección de Meteorología e Hidrología (2026).

Dirección de Meteorología e Hidrología. (2026, agosto 31). Informe hidrometeorológico conjunto del río Paraguay. https://www.meteorologia.gov.py/wp-content/uploads/2026/08/Boletin_hidrologico_31ago2026.pdf

Bahia Negra records a level of 3.75 m

31/08/2026 Go to Evidence

3.75 metres was the observed level of the Paraguay River at the Bahia Negra station on 31 August 2026.

Dirección de Meteorología e Hidrología (2026).

Dirección de Meteorología e Hidrología. (2026, agosto 31). Informe hidrometeorológico conjunto del río Paraguay. https://www.meteorologia.gov.py/wp-content/uploads/2026/08/Boletin_hidrologico_31ago2026.pdf

Lesser Antilles: Driest and Warmest Week

28/08/2026 Go to Evidence

September 7-13, 2026, is forecast to be the driest of the three weeks from September 7 to 27 and the warmest of the four-week outlook period, particularly in Saint-Martin and Saint-Barthélemy.

Météo-France (2026)

Météo-France. (2026, August 28). Prévision mensuelle du 28 août 2026. Météo-France Guadeloupe. https://meteofrance.gp/fr/climat/prevision-mensuelle-du-28-aout-2026

Lesser Antilles: Up to +1.5°C in September

28/08/2026 Go to Evidence

Between +0.5°C and +1.5°C above normal are the temperatures forecast from August 31 to September 27, 2026, in Guadeloupe, Saint-Martin, and Saint-Barthélemy.

Météo-France (2026)

Météo-France. (2026, August 28). Prévision mensuelle du 28 août 2026. Météo-France Guadeloupe. https://meteofrance.gp/fr/climat/prevision-mensuelle-du-28-aout-2026

Lesser Antilles: Below-Normal Rainfall

28/08/2026 Go to Evidence

From August 31 to September 27, 2026, Météo-France forecasts rainfall totals clearly below normal across the Leeward Islands of the Lesser Antilles. From September 7 to 27, the rainfall deficit is expected to range from slight to moderate.

Météo-France (2026)

Météo-France. (2026, August 28). Prévision mensuelle du 28 août 2026. Météo-France Guadeloupe. https://meteofrance.gp/fr/climat/prevision-mensuelle-du-28-aout-2026

43%: Extraordinary Coastal El Niño in summer

28/08/2026 Go to Evidence

43% is the estimated probability of an extraordinary Coastal El Niño in the Niño 1+2 region during the summer from December 2026 to March 2027.

ENFEN (2026)

Comisión Multisectorial encargada del Estudio Nacional del Fenómeno El Niño (ENFEN). (2026, 28 de agosto). Comunicado Oficial ENFEN N.° 15-2026. OPSAa: https://opsaa.iica.int/es/resource-3022-comunicado-oficial-enfen-n-15-2026. Documento original: https://enfen.imarpe.gob.pe/download/comunicado-oficial-enfen-n-15-2026/?wpdmdl=2145

62%: Extraordinary Coastal El Niño

28/08/2026 Go to Evidence

62% or higher is the probability that Coastal El Niño will reach extraordinary magnitude in the Niño 1+2 region between September 2026 and January 2027.

ENFEN (2026)

Comisión Multisectorial encargada del Estudio Nacional del Fenómeno El Niño (ENFEN). (2026, 28 de agosto). Comunicado Oficial ENFEN N.° 15-2026. OPSAa: https://opsaa.iica.int/es/resource-3022-comunicado-oficial-enfen-n-15-2026. Documento original: https://enfen.imarpe.gob.pe/download/comunicado-oficial-enfen-n-15-2026/?wpdmdl=2145

58%: Very strong El Niño in Niño 3.4

28/08/2026 Go to Evidence

58% or higher is the probability that El Niño will reach very strong magnitude in the Niño 3.4 region between September 2026 and January 2027.

ENFEN (2026)

Comisión Multisectorial encargada del Estudio Nacional del Fenómeno El Niño (ENFEN). (2026, 28 de agosto). Comunicado Oficial ENFEN N.° 15-2026. OPSAa: https://opsaa.iica.int/es/resource-3022-comunicado-oficial-enfen-n-15-2026. Documento original: https://enfen.imarpe.gob.pe/download/comunicado-oficial-enfen-n-15-2026/?wpdmdl=2145

El Niño Limits Atlantic Cyclone Activity

28/08/2026 Go to Evidence

4 low-intensity, short-lived tropical systems had been observed in the 2026 Atlantic season by August 28; only Tropical Storm Dolly occurred in the main development region. Météo-France links this historically low activity to the strong El Niño and high wind shear.

Météo-France (2026)

Météo-France. (2026, August 28). El Niño 2026 confirmé comme un épisode exceptionnel. Météo-France Guadeloupe. https://meteofrance.gp/fr/climat/el-nino-2026-confirme-comme-un-episode-exceptionnel

Niño3.4 Exceeds +2°C

28/08/2026 Go to Evidence

In July 2026, the Niño3.4 index exceeded a +2°C sea-surface temperature anomaly in the equatorial Pacific, a threshold that Météo-France classifies as strong El Niño intensity.

Météo-France (2026)

Météo-France. (2026, August 28). El Niño 2026 confirmé comme un épisode exceptionnel. Météo-France Guadeloupe. https://meteofrance.gp/fr/climat/el-nino-2026-confirme-comme-un-episode-exceptionnel