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SPAIN AND THE UK

Spain’s adverse weather causes shortage of peppers in the UK

The lack of fresh fruit and vegetables on supermarket shelves in the UK has been noticeable since February, and it looks likes peppers will be in particular short supply in British supermarkets due to bad weather in Spain.

Spain's adverse weather causes shortage of peppers in the UK
A photograph taken on February 24, 2023, shows a few peppers among empty shelves at a Sainsbury supermarket in east London. - Some UK supermarkets have introduced limits on customer purchases of some fruit and vegetables due to "sourcing challenges" blamed on weather conditions in southern Europe and north Africa, the industry said February 21, 2023. (Photo by Daniel LEAL / AFP)

Many believed that the fruit and vegetable shortage in the UK was down to Brexit, and while it does play a part, experts have clarified that the problems are also down to the unfavourable weather conditions in Spain, where the UK buys much of this type of fresh produce from.

Much of Spain is in the midst of a drought that has been affecting parts of the country since last year and many regions have seen very little rain this spring, typically one of the wettest seasons in the country. The situation is particularly bad in Catalonia, down along the Mediterranean coast and into Andalusia.

READ ALSO: Has Spain’s weather really caused fresh food shortages in UK supermarkets?

Recent weather patterns in Spain have been prone to extremes, as the lack of rain was preceded by periods of extreme cold weather and heavy rain which have contributed to crop destruction.

The adverse weather has also affected the area of Almería, where over 30,000 hectares are given over to growing fruit and veg, giving it the nickname ‘the orchard of Europe’ (la huerta de Europa). It is the world’s second-biggest crop-growing area and supplies much of the continent.

READ ALSO: What is Spain’s ‘sea of plastic’ and does it affect UK food shortages?

“Irreversible damage has been done to more than 3.5 million hectares of crops,” the main Spanish farmers’ association COAG has revealed, estimating 60 percent of the country’s farmland is “asphyxiated” by the lack of precipitation.

As a result, many farmers have simply decided not to plant crops this spring due to the lack of water.

Now the country is bracing for a heatwave in April. Spain’s State Metrological Agency AEMET has predicted that this will continue and temperatures are expected to be 15-20C higher than the average in some areas.

With such unpredictable and extreme weather, it’s no surprise that the supply of Spanish fruit and vegetables to the UK will continue to be curtailed.

In February, there was a shortage of lettuce and tomatoes in particular, which affected supermarkets in the UK and lasted until well into March.

Both Morrisons and Asda limited the sale of tomatoes, cucumbers, lettuce, broccoli, cauliflowers and raspberries to two or three items or trays per shopper. 

This month, peppers will be in particularly short supply, which is being blamed this time not on the heat, but on the cold snap that Spain experienced in February, along with the lack of rain.

As a result, Morrisons is rationing pepper sales to two per customer, with Tesco, Waitrose and Aldi supermarkets in the UK limiting sales as well.

Waitrose has said it expects supplies of its full range of peppers to return in the next weeks when more UK-grown vegetables become available.

“Difficult weather conditions in the South of Europe disrupted harvest for some fruit and vegetables including peppers,” Andrew Opie, Director of Food and Sustainability at the British Retail Consortium said in response.

“A few stores have implemented temporary limits on how much customers can buy to ensure availability for everyone. However, availability should improve for those impacted in the coming weeks as we enter UK growing season.”

According to the Lea Valley Growers Association, one of the country’s biggest groups of food producers, fruit and veg shortages in the UK could last until May.

Spanish newspapers also reported some shortages of red peppers in March, as this variety are simply ripened green peppers, and the lack of sun and heavy rain in Spain in February meant they didn’t have a time to mature properly. The scarcity has seen been resolved and was nowhere near as widespread as in the United Kingdom.

The National Union of British Farmers has also pointed out that the UK’s dependence on imported food leaves them at the mercy of the European weather.

As the UK has been left out of the European common market, it now has to get in line to buy food from the EU, and many third countries already had prior agreements with the EU, such as Morocco.

Difficulties recruiting migrant workers and bad weather in the United Kingdom have also affected local agricultural production.

Climatological setbacks and Brexit have only been made worse by the economic situation, with inflation making everything more and more expensive.

While in Spain food inflation was 16.6 percent year-on-year in March, in the UK it reached 19.1 percent, the highest in 46 years.

READ ALSO: Food prices in Spain rise 16 percent despite VAT cut

The UK government had promised to reduce the rate of inflation by half by January 2024, but data suggests that prices continue to rise by more than 10 percent year-on-year.

If the weather in Spain continues the way it has been and it rain does not fall soon, the situation on UK supermarket shelves is only set to get worse. 

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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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