A new wave of heat begins to act on Brasil this Monday. The phenomenon is expected to raise temperatures in several regions until next Sunday. The most affected areas include the country’s Sudeste, Centro-West and Sul.
The system also brings low relative air humidity at specific points. Climatempo identified more intense activity in parts of Mato Grosso of Sul, south of Goiás, south and southeast of Mato Grosso, west and northwest of São Paulo and extreme northwest of Paraná. Campo Grande appears as the only capital within the main zone of influence.
Onda heat defined by temperatures five degrees above average
The heat wave concept considers a sustained increase of at least five degrees in relation to the historical average for the period. Essa condition applies to the areas indicated by the meteorological consultancy. The current episode gains strength from today and continues with varying intensity until the 26th.
In neighboring regions, heat is also present, although without an exact wave configuration. The west-central of Minas Gerais, center and north of São Paulo, center, west, east and north of Goiás, Distrito Federal, center and east of Mato Grosso, north-central and west of Paraná, extreme south of Tocantins and southwest of Bahia record warmer afternoons.
The capitals Curitiba, São Paulo, Belo Horizonte and Rio of Janeiro should have hot days, but the consecutive period does not exceed five days in most cases.
- Partes from center, north and east of Mato Grosso of Sul
- Sul from Goiás
- Partes south and southeast of Mato Grosso
- Metade west of Triângulo Mineiro
- Oeste and northwest of São Paulo
- Extremo northwest of Paraná
Alerta red of Inmet signals great danger until Saturday
Instituto Nacional of Meteorologia maintains an active red alert for a heat wave valid until 6pm on Saturday, the 25th. The statement covers the west of Mato Grosso, Paraná, Santa Catarina and Rio Grande of Sul.
Esse level indicates a very dangerous situation. The combination of persistent heat and low humidity increases health risks, especially for more vulnerable groups. Relative air humidity may fall below 30% in several locations affected by the lack of rain.
Meteorologistas follow the displacement of the high pressure system that supports the pattern. Ele blocks the entry of cold fronts and keeps warm air over the center-south of the country.
Previsão points out possible extension beyond April 26th
Climatempo estimates that the wave could last until the last days of April in the same regions. The scenario depends on the evolution of atmospheric systems in the coming days.
Outras areas of the country register indirect influence of heat. However, the main focus remains on the areas already mapped. The absence of rain contributes to the dryness of the air and increases the thermal sensation in many municipalities.
Equipes meteorology continues to monitor the daily indices. Atualizações must occur according to the behavior of the hot air mass.
Recomendações to face the period of heat and low humidity
Autoridades guide the population to adopt simple protective measures. Beber plenty of water throughout the day helps maintain hydration. Evitar direct exposure to the sun between 10 am and 4 pm reduces the risk of heat stroke.
Wearing light, light clothing makes sweating easier. In closed environments, fans or air conditioning can alleviate discomfort, as long as the equipment is regularly maintained.
- Manter airy environments during the mornings and evenings
- Evitar intense physical exercise in the hottest times
- Observar signs of fatigue or dizziness in children and the elderly
- Usar sunscreen even on cloudy days
Capitais and large centers feel the impact of the heat
São Paulo, Rio of Janeiro, Belo Horizonte and Curitiba record warmer afternoons this week. The heat should not continue continuously in the four capitals. Ainda thus, the population notices the increase in temperatures compared to previous days.
Inland, thermometers rise more intensely. Algumas cities in the west of São Paulo and in the south of Goiás may exceed the usual values for autumn. Low humidity worsens the situation in places with little cloud cover.
Daily monitoring allows for adjustments to the forecast as needed.
