Extreme heat waves are hitting parts of Europe and the United States

Extreme heat waves are hitting parts of Europe and the United States

Extreme heat waves are hitting parts of Europe and the United States

Extremely rapid and intense heat waves from North Africa spread throughout Europe.

Although this is only in mid-June, the temperature is more characteristic than the temperature seen in July or August. In parts of Spain and France, temperatures are 10 पेक्षा C above average for this time of year. This is combined with drought in many parts of Europe.

By the middle of the week, nearly a third of the American population was warning of heat. March and April are the parts that continue after the longest heat wave in India and Pakistan.

As a result of climate change, heat waves are starting early and are becoming more frequent and intense due to record amounts of greenhouse gases trapped in heat traps. What we see today is the expectation of the future.

The Intergovernmental Panel on Climate Change Project will cover 1.5 से C for global warming, rising heat waves, long hot seasons and short cold seasons. With 2 ° C of global warming, heat intensities will more often reach critical tolerance levels for agriculture and health, the report shows.

Several recent extreme heat event characterization studies (India and Pakistan 2022, Western North America June 2021, Siberia 2020, Western Europe 2019) underscore the role of human-induced climate change.

Action plan for heat health

You have to adapt. And one way we can do this is through early warning systems and heat health action plans – the result of collaboration between the WMO community and public health officials.

Excessive heat is deadly, especially for the vulnerable. High night temperatures – when the body needs to recover – can be particularly stressful. Urban dwellers are particularly susceptible to the so-called urban heat island effect, which increases the effect of heat compared to rural areas, where there are more vegetation.

A MeteoSwiss study published on their website on June 15 estimates that the temperature difference between urban and rural areas could be as high as 6 degrees Celsius. This difference is especially pronounced at night. One reason is that the materials used in buildings and infrastructure absorb more heat.

The Global Heat Health Information Network, co-sponsored by the WMO and the International Federation of Red Cross and Red Crescent Societies (IFRC), has marked June 14 as Heat Action Day to raise awareness of how #BeatTheHeat works.

The campaign addresses issues such as identifying and preventing heat-related health hazards at home, at work, during sports and relaxation. It gives advice on how to stay cool and hydrated and how to ensure the safety of family, friends and neighbors.

Europe

Between the Azores and Madeira, the Atlantic is supplied by a low-pressure system, conducive to the growth of warm air in Western Europe.

Extreme heat waves are hitting parts of Europe and the United States

Spanish National Meteorological and Hydrological Service AEMET For several days in a row, temperatures in the interior of the country have exceeded 40 degrees Celsius, while in the central Spanish province of Toledo (Talavera de la Rena) it has reached 43 degrees Celsius. On June 15 and 16. According to AEMET, the heat wave is expected to end by the end of the week.

On June 17, almost the entire country is at risk of fire.

Increased dust emissions from the Sahara to Spain have increased health and environmental stress,

Like Portugal, Spain is facing a drought. O Portuguese Institute of the Sea and Atmosphere (IPMA) The warmest month since 1931 was reported and 97% of the region was affected by severe drought conditions.

France May saw the hottest, driest month on record.

Meteo-France has said that heat will spread from the south of the country from June 15 and will be maximum between June 16 and 18. The maximum temperature is expected to be 35 to 38 degrees Celsius during the day and 20 degrees Celsius at night.

Matteo-France said, “The remarkable precedent of this part is a disturbing factor,” the first since 1947. A temperature of 40 से C was recorded on June 16 in Saint-Jean de Minervais in southeastern France – the highest temperature of the year for the highest mainland France.

Some examples of temperatures on June 15: Chateaumeillant in the Lower Valley reached 37.1 C – or 14 C. Toulouse was 35.9 C or 11 ° C above average.

Today, June 17, 12 French divisions have high-level red alerts and 25 amber alerts.

Switzerland

The maximum temperature is expected on Saturday and Sunday (32 to 35 degrees Celsius), above 30 C. Saturday to Sunday nights will be particularly hot – close to 20 C.

Temperatures are also above average in other European countries.

Dry

In addition to the high temperatures, the main effect of this increase in heat is to intensify the current drought, as no significant rainfall is expected in the coming days (except for a few hurricanes.

In June 2022, Europe will experience a heat wave

In the U.S. beyond the Atlantic, much of the western U.S. is experiencing drought for the second or third year in a row (depending on the region), with fears of increased water stress during the summer season. The two largest reservoirs in the U.S., Lake Mead and Lake Powell in Arizona, are currently at their lowest levels since they were filled: according to U.S. Drought Monitor, both are only less than 30% of their capacity.

According to the US National Weather Service, parts of central Nevada in northwestern Arizona are at high risk of fire.

Heat Wave 2019

The parallels are being drawn in late June 2019, when France and neighboring countries also witnessed intense heat waves, breaking several temperature records. Météo-France has verified the new national temperature record in Vérargues at 46 ° C and around 45.9 C. On June 28, Gallargues-le-Montux, 2019. No new national temperature is expected at this time.

“Every heat wave in Europe today is more probable and more intense due to human-induced climate change,” said a study published in June 2019 on the human contribution to the record heat wave in France.

“Observations show a very large increase in the temperature of these heat waves. Currently, such an event is expected to occur over a period of 30 years, but equally frequent heat waves are likely to be about 4 ° C colder than a century ago. It’s coming at least 10 times more frequently today, “he said.

Understanding the causes

According to the IPCC, climate change is increasing the frequency of some weather types and the frequency of weather climates, and a number of characteristic studies have shown that this has exacerbated many recent events. Although the exact connection is open for scientific discussion, some aspects of the physical atmosphere dynamics associated with human-induced Arctic warming can sometimes improve the conditions associated with continuous disruption of polar jet flow, leading to longer durations. Summer in the North. Hemisphere wet, dry or hot weather.

More features:

www.ifrc.org/heat-action-day

www.ghhin.org

Source: OMM

In EcoDebate, ISSN 2446-9394, 06/17/2022

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