Recent international climate data, shared by Moroccan experts, confirm the likely return of the La Niña phenomenon. Based on sea surface temperature indices, these updated forecasts, released on Thursday, March 13, suggest that its effects could continue to significantly influence Morocco’s climate and weather conditions, leading to extended periods of rainfall across various regions of the country.
According to the data from the Climate Monitoring Center of the U.S. National Oceanic and Atmospheric Administration (NOAA), Morocco could experience heavy rainfall in the coming weeks and months, especially during the spring. In response, climate and water resource management specialists recommend accelerating the construction of new dams and expanding existing hydraulic infrastructure to mitigate potential risks and optimize rainwater retention.
Mohamed Saïd Karrouk, a climatology professor at Hassan II University in Casablanca, attributes recent weather disturbances to the broader evolution of the Earth’s climate. His research on drought in Morocco highlights the role of the Azores High in altering the country’s climate patterns.
In an interview with Hespress, Karrouk explained that La Niña is the opposite of El Niño, which has dominated the Moroccan and Iberian climate since 2018. This cooling of ocean surface waters weakens the Azores High, allowing cold air masses from Scandinavia and Canada to travel across the Atlantic and reach Morocco.
The climatologist does not rule out the possibility of extended rainfall throughout the spring, emphasizing that La Niña influences atmospheric circulation in the northern hemisphere over long periods. He reminds that the persistent drought since 2018 was largely due to El Niño, which warms Pacific waters and strengthens the Azores High, blocking Atlantic disturbances.
Karrouk highlights that the alternating climate cycles of La Niña and El Niño directly impact either drought or prolonged periods of rainfall. He urges authorities to take necessary steps to prepare for this new climate phase by reinforcing water infrastructure and building new rainwater storage systems.
On the other hand, Mohamed Benabou believes that La Niña’s dominance could bring positive effects for Morocco’s climate. He expects a more regular rainfall regime, similar to tropical climates, with frequent rainfall and moderate temperatures.
He believes this climate change could last longer, with positive effects on the country’s water reserves. Among the expected benefits, he cites a significant reduction in water shortages, the end of the prolonged drought of the past seven years, and an overall improvement in water security.
Finally, Benabou strongly recommends the construction of new large dams and the optimization of existing infrastructure to maximize rainwater collection. This strategy would enhance food, energy, and potable water security, while also preventing the risk of flooding.
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