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Weather forecast indicates significant increase in rainfall between June 8 and 15, with volumes above average in various regions of the country and the possibility of accumulations that can reach 200 millimeters in areas of the Northern Region.
A new round of atmospheric instabilities is expected to gain strength over Brazil in the coming days, raising the alert for significant rainfall volumes in various regions of the country. According to information released by Meteored, the forecast indicates that between June 8 and 15, there will be a significant increase in precipitation, especially in the North, Central-West, Southeast, and South regions.
The meteorological scenario is driven by the Madden-Julian Oscillation (MJO), an important climatic phenomenon that directly influences the formation of heavy clouds and storms in tropical areas. The information was released by the specialized meteorology platform, which points to the possibility of high accumulations and rainfall events above the historical average for the period.
It is expected that some locations will record volumes exceeding 100 millimeters in a few days, while specific areas of the Northern Region may reach an impressive 200 millimeters of accumulated rainfall.
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What is behind the intensification of rainfall in Brazil
The Madden-Julian Oscillation is an atmospheric phenomenon that forms over the Western Indian Ocean and gradually moves towards the tropical Pacific Ocean until it reaches the Americas.
When it reaches the continent, the MJO can significantly alter weather patterns, favoring the formation of instability areas and increasing the occurrence of storms. In this episode, meteorologists observe a phase favorable to the development of more intense rainfall over much of the Brazilian territory.
Additionally, another important factor is expected to reinforce the instability scenario. The forecast indicates the formation of an extratropical cyclone at the height of the Southern Region of Brazil. Although the system does not advance directly over the continent, it should act as a moisture transport mechanism.
This process favors the creation of a so-called “atmospheric river,” a phenomenon characterized by the movement of large amounts of water vapor from the Amazon towards the Central-West, Southeast, and South regions.
In practice, this means more fuel for the formation of heavy clouds, storms, and persistent precipitation.
States may record accumulations above 100 mm
Meteorological projections indicate that Mato Grosso do Sul, SĆ£o Paulo, and ParanĆ” are among the states that may record the highest volumes of rain associated with the moisture corridor.
In these areas, accumulations may exceed the 100-millimeter mark over the week. Although rain is important for reservoirs, agriculture, and water supply, high volumes in a short period increase the risk of disruptions.
Possible impacts include urban flooding, flash floods, falling trees, landslides in vulnerable areas, and traffic difficulties, especially in large urban centers.
Experts emphasize that the exact behavior of the storms may still undergo adjustments in the coming days, but meteorological models continue to indicate a favorable scenario for significant precipitation.
Northern Region concentrates the largest volumes and enters into attention
While part of the South-Central region is expected to face above-average accumulations, the Northern Region appears as the area of greatest concern in the meteorological maps released for the period.
According to Meteored’s forecast, Amazonas, Roraima, and AmapĆ” are expected to concentrate the largest volumes of rain in the country between June 8 and 15.
In these states, accumulations may reach or even exceed 200 millimeters in certain areas, creating a scenario of attention for intense and persistent precipitation.
The combination of high humidity, heat, and atmospheric instability creates ideal conditions for the occurrence of frequent storms, increasing the potential for local disruptions.
Meteorologists recommend that residents of the most susceptible areas follow updates from official climate monitoring and civil defense agencies, as the predicted volumes may change according to the evolution of atmospheric systems.
With the arrival of this new climatic configuration, the second week of June is expected to be marked by one of the rainiest periods of the month in various regions of Brazil, reinforcing the need to pay attention to forecasts and meteorological alerts issued in the coming days.
Original news source: Meteored.
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