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CLIMATE CRISIS

No winter snow on Spain’s Teide for first time in 108 years

Tenerife’s Mount Teide, the highest peak in Spain, has not had any snowfall during the winter months for the first time in over a century, after the Canary Islands experienced their hottest January and February since records began.

teide no snow
Tenerife is experiencing an extremely dry and warm winter, so the absence of snow from Mount Teide is unfortunately no surprise. Photo: Image by Lcg from Pixabay

Anyone who has visited Tenerife in the Canaries will be familiar with the majestic Mount Teide, a 3,715-metre-high dormant volcano that dominates the island’s varied landscape.

Despite the archipelago’s traditionally mild weather during winter, such is the altitude of El Teide that during periods of rainfall in the archipelago the mercury plummets below zero and the volcano and surrounding national park are covered in snow. 

Not this winter however, not once during the period running from December 1st to February 29th has the iconic symbol of Tenerife been snow-capped, the first time it’s happened in 108 years. 

Climate change deniers on the islands have been quick to respond that there was some snow on Teide in November, but this was only on the tip and lasted a couple of days as the mercury then reached abnormal temperatures above 30C.

This is no normal winter for the so-called fortunate islands, having recorded the hottest January and February temperatures on record, 2.5C above the average winter temperature of 17.7C.

There has also only been 12 days over the winter months without calima, sand that blows over from the nearby Sahara desert creating a haze that makes it harder to breathe. 

READ ALSO: What is ‘calima’ and is it bad for you?

In the easterly Canary island of Fuerteventura, the municipality of La Oliva recorded a record 31.7C on January 16th.

There’s also been far less rain than usual, a worrying situation given that Tenerife’s government recently declared a drought emergency with a view to introducing water restrictions before the drier hotter summer. 

“There has been an accumulated rainfall of 36 litres per square metre (during winter), that’s only 28 percent of the expected precipitation for this period,” state meteorologist David Suárez told journalists.

This drier and hotter climate largely explained why wildfires destroyed huge parts of Tenerife’s dense forested areas in August of 2023, the worst fires in forty years.

“We’re facing one of the driest winters in recent history and ensuring the water supply for citizens and for Tenerife’s countryside is an essential issue that cannot have political preferences,” Cabildo president Rosa Dávila told the press about the island’s drought plans.

It’s a worrying scenario for Tenerife and the 7 other islands that form part of this Atlantic archipelago off the coast of Western Sahara. 

Their geographical location and the trade winds that sweep through them used to ensure that they were a refuge during the bitter cold winter months and scorching summer in the distant European continent, which explains why tourism has long been the single most important industry in the Canaries.

This pleasant mild weather is now at risk, and the absence of winter snow on El Teide is the latest example of how climate change is transforming weather patterns in the Canaries and Spain as a whole. 

Member comments

  1. I must have been seeing a mirage on Xmas Day when I looked at Teide from Puerto de la Cruz and it was covered in snow.

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WEATHER

Does Spain use cloud seeding?

Some voices online blamed cloud seeding for flash flooding in Dubai recently. Does Spain use this weather modification technique and is it being harnessed as a means of combatting severe drought in the country?

Does Spain use cloud seeding?

The internet was awash with images of dramatic flooding in the UAE two weeks ago, in which parts of the country saw more rainfall in a single day than it usually does in an entire year on average.

The UEA government stated that it was the most rainfall the country had seen in 75 years and an incredible 10 inches of rain fell in the city of Al Ain.

Predictably, the freak weather event sparked fierce internet debate about the causes and consequences among climate change activists and climate change sceptics. The cause, in particular, struck a chord with certain subsections of the internet and many were asking the same question: did ‘cloud seeding’ cause this biblical downpour?

But what exactly is cloud seeding? Does Spain use it? And with the country’s ongoing drought conditions, should it be using it?

What is cloud seeding?

According to the Desert Research Institute: “Cloud seeding is a weather modification technique that improves a cloud’s ability to produce rain or snow by introducing tiny ice nuclei into certain types of subfreezing clouds. These nuclei provide a base for snowflakes to form. After cloud seeding takes place, the newly formed snowflakes quickly grow and fall from the clouds back to the surface of the Earth, increasing snowpack and streamflow.”

Cloud seeing is used by countries around the world, not only in the Middle East but in China and the U.S, usually in areas suffering drought concerns. The process can be done from the ground, with generators, or from above with planes.

Does Spain use cloud seeding?

Sort of, but on a far smaller scale and not in the same way other countries do. In places like China and the U.S, where large swathes of the country are at risk of drought, cloud seeding is used to help replenish rivers and reservoirs and implemented on an industrial scale.

In Spain, however, the technique has been for a much more specific (and small scale) reason: to avoid hailstorms that can destroy crops.

This has mostly been used in the regions of Madrid and Aragón historically.

But cloud seeding isn’t something new and innovative, despite how futuristic it might seem. In fact, Spain has a pretty long history when it comes to weather manipulation techniques. Between 1979 and 1981, the first attempts to stimulate rainfall took place in Spain, coordinated by the World Meteorological Organisation.

“In 1979, in Valladolid, different techniques were developed to observe the local clouds but they did not meet any possible conditions for cloud seeding experiments. The project came to a standstill,” José Luis Sánchez, professor of Applied Physics at the University of León, told La Vanguardia.

This sort of cloud seeding, as used abroad, doesn’t really happen in Spain anymore. Rather, when it’s used it’s done to protect crops on a local level. Spain’s Ministry for Ecological Transition and the Demographic Challenge are responsible for authorising cloud seeding, but there are only a handful of current authorisations to combat hail, such as the one granted to the Madrid’s Agricultural Chamber combat hail in the south-east of the region.

As of 2024, it is believed that no regions have requested cloud seeding (whether by generator or plane) to ‘produce’ more rain.

So, cloud seeding isn’t currently used like it is in countries such as the U.S., China, and the UAE. But should it, and could it solve the drought issue in Spain?

An aircraft technician inspects a plane’s wing mounted with burn-in silver iodide (dry ice) flare racks. (Photo by Indranil MUKHERJEE / AFP)

Spain’s drought conditions

Spain has been suffering drought conditions for several years now. Last year the government announced a multi-billion dollar package to combat the drought conditions, and several regions of Spain have brought in water restrictions to try and maintain dwindling reservoir reserves. 

READ ALSO:

At times in Spain in recent years it has felt as though another temperature or minimum rainfall record is broken every other day. The drought conditions are particularly bad in the southern region of Andalusia and Catalonia, where, despite heavy rain over Easter, reservoirs in the region are at just 18 percent capacity, the lowest level in the country.

So, could cloud seeding be used in Spain to help alleviate some of the drought conditions? Yes and no. Seeding is not the only answer to drought, but could theoretically be used as one option among many.

“It’s just another tool in the box,” Mikel Eytel, a water resources specialist with the Colorado River District, told Yale Environment 360 magazine: “It’s not the panacea that some people think it is.”

This is essentially because cloud seeding does not actually produce more rain, rather it stimulates water vapour already present in clouds to condense and fall faster. For there to be a significant amount of rainfall, the air needs significant levels of moisture.

That is to say, using cloud seeing to try and stimulate more rain may help Spain’s drought conditions in a small way, but the difference would be marginal.

“It’s not as simple and may not be as promising as people would like,” respected cloud physicist Professor William R. Cotton, wrote in The Conversation. 

“Experiments that produce snow or rain require the right type of clouds with sufficient moisture and the right temperature and wind conditions. The percentage increases are small and it is difficult to know when the snow or rain fell naturally and when it was triggered by seeding.”

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