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Deadly floods in Spain highlight need to cut GHG emissions

Global warming 2024-11-01, 11:31pm

across-the-world-more-incidents-of-extreme-weather-events-are-being-recorded-76bb1f30c0be0f3e8d3000d2efffa0811730482293.jpg

Across the world, more incidents of extreme weather events are being recorded. WMO-Daniel Pavlinovic



1 November 2024 - The record-breaking rainfall and deadly flash floods that hit Spain this week underscore why saving lives as climate change turbocharges extreme weather must be a top priority, the World Meteorological Office (WMO) said on Friday. 

The UN weather agency is highlighting the importance of early warning systems for all corners of the planet and reducing greenhouse gas emissions that cause climate change.

“The flooding that we’re seeing in Spain is just one of many, many, many, extreme weather and water-related disasters that have been taking place around the world this year. Almost every week we’re seeing such shocking images,” spokesperson Clare Nullis told journalists in Geneva. 

Lives lost as rains continue

More than 150 people have been killed in Spain, where a massive search and rescue operation is ongoing even as the rains continue. 

The Valencia region was worst affected, and “some areas received more than the equivalent of a year's amount of rainfall in the space of eight hours.” 

Spain’s meteorological and hydrological service, AEMET, has been issuing constant advisories and alerts throughout the week via the common alerting protocol, she said, referring to the standardized message format for all media, all hazards, and all communication channels.

A red alert – the top level – was issued on Friday in the southwest province of Huelva, “so, unfortunately, this episode is not finished yet”.

Extreme weather increasing

Ms. Nullis recalled that other areas in Europe have been badly affected by floods this year. In mid-September, parts of Central Europe experienced very heavy rainfall, breaking local and national records.

“According to the Intergovernmental Panel on Climate Change, extreme weather events causing highly impactful floods and droughts have become more likely and more severe due to anthropogenic climate change,” she said.

She pointed to WMO’s recently released report on the State of Global Water Resources. Commenting at the time, the agency’s chief, Celeste Saulo, said that the hydrological cycle has accelerated due to rising temperatures.  

As a result, the world is facing growing problems of either too much or too little water. Furthermore, a warmer atmosphere holds more moisture, which is conducive to heavy rainfall.

Ms. Nullis said this is what is happening in Spain.

“As the air warms, it becomes more moist. So, every additional fraction of warming increases the atmospheric moisture content, and this increases the risk of extreme precipitation, flooding,” she explained.

World must act now 

Asked what action can be taken to avoid the devastation caused in Spain and elsewhere, Ms. Nullis said the international community “can make a good start by reducing greenhouse gas emissions which are the driver behind this.”

Countries also “need to ensure that early warnings lead to informed early action.”

WMO will publish its latest State of the Global Climate update at the COP29 UN climate change conference in Azerbaijan later this month.  The report will provide more details about extreme events around the world over the past year. – UN News