2023-06-27 15:40:00
Despite the fact that in the last two days there has been relief due to the high temperatures thanks to the departure of the anticyclone and the entry of tropical waves into Mexican territory, the National Meteorological Service (SMN) and an expert from the National Autonomous University of Mexico (UNAM) issued an alert for a fourth heat wave and the entry of heat waves into the country.
It is estimated that it will be Saturday July 1, two weeks after the summer solstice, when the fourth heat wave occurs in Mexico, this was confirmed by the forecast of the meteorologist Víctor Manuel Torre Puente of the maximum house of studies.
Coupled with the heat wave, the thermometers will rise even more due to the arrival of summer and the entry of the heat wave, which is expected to enter on July 3 and end in mid-August.
In Mexico, the heatwave is a climatic phenomenon that occurs during the first week of July and lasts approximately 40 days. This time is considered the moment of greatest heat intensity in Mexico.
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The specialist from the National Autonomous University of Mexico indicated that this fourth heat wave is very atypical and is expected to be as intense as the third heat wave, which hit the country with temperatures above 45 degrees.
“This type of event is common in the mid-latitudes. It is about the ‘acceleration of a jet’ that is in the atmosphere, which causes the atmospheric flow to be interrupted and a blockage occurs that increases pressure and radiation”, explained a researcher on TV UNAM.
In addition, since Mexico is between the mid and tropical latitudes, its climate is influenced by both atmospheres. This causes atmospheric stagnation that warms the earth.
“It is a tropical wave, named Madden Julian, which greatly influences the weather (between 15 and 30 days). This is an important part that influences the heat wave, which adds to the phenomenon of the child”, commented the expert.
The states most affected by the fourth heat wave in Mexico will be: Sonora, Sinaloa, Coahuila, Tamaulipas, Nuevo León, San Luis Potosí, and Michoacán. As well as Guerrero, Tabasco, Veracruz and Yucatán.
CLIMATE IN MEXICO
For this Tuesday, a wide zone of low pressure with a high probability of cyclonic development to the southwest of the coasts of Colima and Jalisco, will generate a contribution of humidity towards the west and south of the national territory, causing very heavy punctual rains in Nayarit, Jalisco, Colima , Michoacan and Guerrero.
On the other hand, the approach of tropical wave number 8 in interaction with a second zone of low pressure with a high probability of cyclonic development to the east of the Gulf of Tehuantepec, will give rise to intense punctual rains in Oaxaca, Chiapas and Tabasco, very punctual rains. strong in Campeche and Yucatan, and heavy rains in Quintana Roo and southern Veracruz. A low pressure channel from the northwest to the center of the country will cause showers in those regions and heavy occasional rains in the State of Mexico.
A dry line over Coahuila will cause strong gusts of wind from 60 to 80 km/h and dust storms in the Mesa del Norte and northeastern Mexico. Finally, the anticyclonic circulation at medium levels of the atmosphere will keep the environment very hot in Baja California, Sonora, Sinaloa, Chihuahua, Coahuila, Nuevo León and Tamaulipas.
By Wednesday, the low pressure area with a high probability of cyclonic development could generate a tropical cyclone to the southwest of the coasts of Colima and Jalisco, its circulation will cause the ingress of moisture from the Pacific Ocean to the west of the country, causing showers and heavy rains. to very strong in that region. As of Thursday, the system will move to the west, moving away from the Mexican coasts.
During the forecast period, tropical wave number 8 associated with the low pressure zone with a probability of cyclonic development will move parallel to the coasts of Chiapas, Oaxaca, Guerrero, and Michoacán, causing heavy to very heavy rains, electrical discharges along the way. and gusts of wind in the southeast, south, center, and west of the national territory, with occasional intense rains in Guerrero, Oaxaca, Chiapas, Tabasco, and Veracruz (south).
For its part, the anticyclonic circulation at medium levels of the atmosphere will move over the southeastern United States, favoring the gradual decrease in evening temperatures in the Mexican Republic.
RAIN FORECAST IN THE MEXICAN TERRITORY
Very heavy rains with intense points (75 to 150 mm): Oaxaca, Chiapas and Tabasco.
Heavy rains with very strong points (50 to 75 mm): Nayarit, Jalisco, Colima, Michoacán, Guerrero, Campeche and Yucatán.
Intervals of showers with punctual heavy rains (25 to 50 mm): State of Mexico, Veracruz and Quintana Roo.
Rainbow intervals (5 to 25 mm): Sonora, Sinaloa, Chihuahua, Durango, Zacatecas, Mexico City, Morelos and Puebla.
Isolated rains (0.1 to 5 mm): Tamaulipas, San Luis Potosí, Guanajuato, Querétaro, Hidalgo and Tlaxcala.
MINIMUM AND MAXIMUM TEMPERATURES FOR THE MEXICAN REPUBLIC
Maximum temperatures from 40 to 45 °C: Baja California, Sonora, Sinaloa, Chihuahua, Coahuila, Nuevo León and Tamaulipas.
Maximum temperatures from 35 to 40 °C: Baja California, Nayarit, Jalisco, Colima, Michoacan, Guerrero, Oaxaca, Durango, Zacatecas, San Luis Potosí, Morelos, Puebla, Veracruz, Tabasco, Campeche, Yucatan and Quintana Roo.
Maximum temperatures from 30 to 35 °C: Aguascalientes, Guanajuato, Querétaro, Hidalgo, State of Mexico (southwest) and Chiapas.
Minimum temperatures from 0 to 5 °C: mountainous areas of Baja California, Durango, Chihuahua and the State of Mexico.
WIND FORECAST FOR THE MEXICAN TERRITORY
Winds with gusts of 60 to 80 km/h tornadoes: Lower California, Sonora, Chihuahua, Coahuila, New Leon, Tamaulipas, San Luis Potosí, Zacatecas, Durango, Aguascalientes, Nayarit, Jalisco and Guanajuato.
Winds with gusts of 40 to 60 km/h: Campeche, Yucatan and Tabasco; with possible tornadoes: Baja California Sur, Querétaro and Hidalgo.
Wind with gusts of 40 to 50 km/h and waves of 1 to 3 meters high: coasts of Jalisco, Colima and Michoacán.
WHAT IS A HEATWAVE?
A heat wave is a prolonged period of extremely high temperatures that exceed the normal average for the region in which it occurs. During a heat wave, daytime temperatures can be unusually high, and nighttime temperatures can also stay high, making it difficult to cool down.
These conditions of intense and prolonged heat can have significant effects on the climate, human health, agriculture, ecosystems and infrastructure. Heat waves can occur in different parts of the world and at different times of the year, but they are more frequent during the summer months.
The effects of a heat wave can be dangerous, especially for the most vulnerable population groups, such as children, the elderly, and people with chronic illnesses. Symptoms of excessive heat exposure include dehydration, heat stroke, heat cramps, and heat exhaustion. In the most severe cases, heat stroke can result, which is a serious and life-threatening medical emergency.
Heat waves are linked to climate change, as rising global temperatures can increase the frequency and intensity of these extreme events. Furthermore, global warming may also contribute to the formation of “marine heat waves” or “ocean heat waves”, which affect marine ecosystems and can have significant consequences on marine life.
It is important to take precautions during a heat wave, such as staying hydrated, seeking cool or air-conditioned places, limiting sun exposure during the hottest hours, wearing light clothing and sunscreen, and watching for signs of exhaustion or stroke. of heat. In addition, authorities often issue warnings and recommendations to protect the population during these extreme weather events.
WHAT IS THE CANICULA?
The heatwave is a term used to refer to a period of time characterized by high temperatures and atmospheric dryness. It is a common phenomenon in some regions of the world, especially in areas with Mediterranean or tropical climates.
The heatwave usually occurs during the summer and is characterized by several consecutive days of intense heat. During this period, daytime temperatures are often very high, often exceeding 30 degrees Celsius (86 degrees Fahrenheit) and even reaching 40 degrees Celsius (104 degrees Fahrenheit) or higher. Additionally, humidity tends to be low, contributing to a perceived dry and stuffy environment.
This period of high temperatures can have significant effects on human health, agriculture, water availability and other aspects of daily life. It is important to take precautions during the heatwave to avoid heat-related problems such as heat stroke and dehydration. It is recommended to stay well hydrated, seek cool and shady places, wear light and breathable clothing, and avoid prolonged exposure to the sun during the hottest hours of the day.
It is important to note that the duration and intensity of the heat wave can vary depending on the geographical region. In some areas, it may only last a few days, while in others it may last for several weeks. In addition, the term “dog days” can also have different names and meanings in different cultures and regions of the world.
What to do during a heat wave?
During a heat wave, it’s important to take steps to protect your health and stay safe. Here are some recommendations on what to do during a heat wave:
Stay hydrated: Drink plenty of water and fluids to avoid dehydration. Avoid excessive consumption of alcohol and caffeine, as they can contribute to dehydration.
Stay in cool places: Look for places with air conditioning, such as malls, libraries, movie theaters, or other cool public spaces. If you don’t have access to air conditioning, consider spending time in a shady spot or using fans to cool down.
Avoid sun exposure: If possible, limit sun exposure during the hottest hours of the day, generally between 10 a.m. and 4 p.m. If you must go out, wear lightweight, light-colored clothing made of breathable fabrics, as well such as hats and sunglasses to protect you from the sun.
Protect yourself from heat in your home: Keep windows closed during the day to prevent heat from entering your home. Use blinds, drapes, or awnings to block direct sunlight. During the night, if the temperatures are lower, open the windows to allow ventilation and cooling of the environment.
Take care of your diet: Eat light and fresh meals, such as fruits and vegetables, that help you stay hydrated. Avoid heavy and hot foods that can increase your body temperature.
Pay attention to vulnerable groups: If you know the elderly, young children or people with chronic illnesses, make sure they are taking the necessary precautions during the heat wave. Help them stay cool and well hydrated.
Stay informed: Follow the recommendations and warnings from local authorities and weather services about the heat wave. Being informed will allow you to take the appropriate steps and know when it is safe to do outdoor activities.
Remember that heat waves can be dangerous, so it is important to take them seriously and follow these recommendations to protect your health and well-being during these extreme events.
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