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3 clusters · 7 sources · 20 days · First seen · Last updated

Global El Niño weather phenomenon impacts

Overview

A strengthening El Niño weather pattern is projected to cause significant meteorological shifts across multiple continents. In Latin America, reports from CEPAL and NOAA indicate a 75 percent chance of the phenomenon reaching historic magnitude by December, raising risks of increased rainfall and flooding in northern and central-eastern Argentina.

In West Africa, the Ghana Meteorological Agency (GMet) has issued advisories regarding a strong El Niño event developing in the tropical Pacific. Based on projections from the United States National Oceanic and Atmospheric Administration, there is a 96 percent likelihood that the event will reach very strong intensity between November 2026 and January 2027.

Impacts in Ghana are expected to begin in late November 2026, characterized by hotter, drier, and dustier conditions. Peak heat stress is projected for northern Ghana between February and April 2027. While much of the country may face below-normal rainfall, GMet noted that some areas in the Forest and Transition zones, as well as parts of the Greater Accra, Central, Volta, and Eastern regions, could experience normal-to-above-normal rainfall.

Despite the threat of dry spells, GMet cautioned that southern and Volta Basin communities face risks of sudden, intense downpours and localized flooding. Long-term concerns include threats to cocoa production, rain-fed agriculture, public health, and hydropower stability, with potential water resource issues lasting as late as 2028.

Entities

National Oceanic and Atmospheric Administration · Ghana · Ghana Meteorological Agency · Agencia Estatal de Meteorología · NOAA

Timeline

  1. [INTERNATIONAL] 2 sources
    Ghana Meteorological Agency warns of El Niño risks

    Ghana’s Meteorological Agency warns that a strong El Niño could bring heat stress, dust, and dry spells through early 2027, while maintaining a risk of localized flooding in southern regions.

  2. [INTERNATIONAL] 5 sources
    Ghana Meteorological Agency warns of extreme heat and drought

    Ghana's Meteorological Agency warns that a very strong El Niño could cause extreme heat, drought, and risks to food and power security through 2028.

  3. [INTERNATIONAL] 43 sources
    Global weather alerts: El Niño and DANA systems trigger extreme rain and temperature shifts

    A powerful El Niño phenomenon and a DANA system are driving extreme weather, including historic rainfall risks in Argentina and intense storms and flooding across Spain.

Sources

3news.com · chale.news · dailynews.co.tz · ghanaguardian.com · ghananewss.com · myjoyonline.com · nukunya.com

This summary has been updated 1 time: see revision history