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Heat wave: What is it, why do they occur and when does the third of the year end in Mexico?

Heat wave: What is it, why do they occur and when does the third of the year end in Mexico?

A tris of boreal summer, the third heat wave of the year will maintain extremely high temperatures in most of the national territory for the next few days, according to the most recent report from the National Water Commission (Conagua). The effects of this phenomenon, which began on June 1 and could continue until the middle of the month, will cause maximum temperatures above 30 degrees Celsius for the entire country. The 24 States that could exceed 40 degrees are Baja California, Baja California Sur, Sonora, Sinaloa, Nayarit, Jalisco, Colima, Michoacan, Guerrero, Morelos, Puebla, Oaxaca, Chiapas, Chihuahua, Durango, Coahuila, Nuevo Leon, Tamaulipas, San Luis Potosi, Hidalgo, Veracruz, Tabasco, Campeche and Yucatan.

What is a heat wave and why does it occur?

Heat waves are part of the extreme weather events caused by the climate crisis. In a world that has been warming ever faster due to human activity since the industrial era, maximum temperature records are being broken relentlessly as the 21st century progresses. These thermal anomalies, which can last between four and ten days, are even more intense in cities due to the heat island effect, a phenomenon caused by construction materials and urban structures that trap heat during the day and expel it during the day. the night.

Among the extreme weather events associated with anthropogenic climate change, such as forest fires, crop failures, droughts, and river floods, heat waves will be one of the most common events in the coming decades: even in the best of conditions. possible scenario, one in which humanity manages to drastically reduce greenhouse gas emissions and approaches the now distant goals set in the Paris Agreement to curb global warming, the World Meteorological Organization (WMO) considers that the battle is lost, since heat waves will continue, at least until 2060, as protagonists of a climatic legacy that in recent months has already shown an increase in deaths due to heat, the accelerated melting of the Arctic and uncontrollable forest fires, with apocalyptic postcards like those of New York at the beginning of June.

Heat stroke: symptoms and how to prevent it

The Civil Protection Secretariat recommends avoiding the interior of parked cars during this season, especially if they are exposed to the sun (even with the windows open) to avoid suffering from sunstroke, dehydration or heat stroke. In addition, the health authorities suggest avoiding intense physical activities in the sun between eleven in the morning and four in the afternoon, wearing loose clothing and long sleeves, staying hydrated, using caps, hats, and sunscreen. Pets can also suffer life-threatening heat stroke or footpad injuries from walking on asphalt during the hottest hours of the day.

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