
Orange alert indicates danger of intense rain, strong winds and hail until Monday.
AI-generated summary
The National Institute of Meteorology (Inmet) issues meteorological alerts to inform the population about severe weather risks.
The National Institute of Meteorology (Inmet) issued an orange alert this Sunday (11), which means danger of storms for the 24 cities in the south of Rio and Costa Verde. The warning began at 12pm and will last until 11:59pm on Monday (12).
The warning is valid for the cities of Angra dos Reis (RJ), Barra do Piraí (RJ), Barra Mansa (RJ), Engenheiro Paulo de Frontin (RJ), Itatiaia (RJ), Comendador Levy Gasparian (RJ), Mendes (RJ), Miguel Pereira (RJ), Paracambi (RJ), Paraíba do Sul (RJ), Paraty (RJ), Paty do Alferes (RJ), Pinheiral (RJ), Piraí (RJ), Porto Real (RJ), Quatis (RJ), Resende (RJ), Rio Claro (RJ), Rio das Flores (RJ), Sapucaia (RJ), Três Rios (RJ), Valença (RJ), Vassouras (RJ) and Volta Redonda (RJ).
According to Inmet, municipalities can record rainfall between 30 and 60 mm/h or up to 50 or 100 mm/day, with intense winds that can vary from 60 to 100 km/h and hail. There is a risk of power cuts, damage to crops, falling tree branches and flooding.
Check the instructions from the National Institute of Meteorology
In case of gusts of wind: (do not take shelter under trees, as there is a risk of falling and electrical discharges and do not park vehicles near transmission towers and advertising signs).
If possible, turn off electrical appliances and the general power supply.
Get more information from the Civil Defense (phone 199) and the Fire Department (phone 193).
Learn how to receive alerts
To receive Civil Defense alerts via SMS, residents of the region must register by sending an SMS to the number 40.199, only with the zip code where they live, and can type with or without a hyphen, with or without a period.

Inmet issued a yellow alert for low air humidity for 115 cities in Paraíba. The warning, valid until Tuesday (13), indicates humidity between 20% and 30%, requiring health care and hydration for the population.

Manaus and five municipalities in the Metropolitan Region recorded 'terrible' air quality this Sunday due to forest fires. The Federal Government recognized an emergency situation in 36 cities in Amazonas and sent aircraft and firefighters into combat.

Firefighters from São Paulo send a task force with drones and retardants to Amazonas to fight fires. The measure comes after Manaus recorded air pollution levels classified as terrible due to smoke for the third consecutive day.

The Brazilian Navy issued a warning of winds of up to 60 km/h for the stretch of coast between Touros (RN) and São Luís (MA). The warning remains active from Saturday night (10) until Monday night (12), a national holiday.

Extreme climate changes and the El Niño phenomenon alter rainfall patterns and cause the Itapetininga River (SP) to overflow, which reached eight meters and affected more than 370 families.

Amazonas recorded 1,380 fires in the first ten days of October 2026, an increase of 271% compared to 2025. The smoke covered Manaus and municipalities in the metropolitan region, raising air pollution to critical levels and prompting federal reinforcement.