Inmet issued an orange alert and places ten states at risk on the eve of Tiradentes with rain and winds of up to 100 km/h.
An orange alert issued by the National Institute of Meteorology (Inmet) places ten Brazilian states on maximum alert this Monday (20). The eve of the Tiradentes holiday will be marked by heavy rains and winds that can reach 100 km/h, increasing the risk of power outages and flooding.
The measure mainly affects states in the North, Northeast, and Central-West regions, where the water volume can reach 100 millimeters in a single day.
Belém declares emergency after record storms
Among the areas most affected by the bad weather is the capital of Pará. The city hall of Belém has officially declared a state of emergency after the city recorded a water volume exceeding 150 mm in less than 24 hours — one of the highest levels in the last ten years.
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In addition to the storm, the city is monitoring the tide, which could reach 3.8 meters later today. To mitigate the damage, a committee integrated by the Civil Defense and the Fire Department has been activated. According to an official statement from the municipal administration:
“The actions include reinforcement in shelters, assistance to affected families, cleaning of channels and drains, as well as emergency interventions at flooding points.”
States under the impact of heavy rains and winds
The climatic instability extends over a vast area of the national territory. The Inmet warning, which is valid until the night of this Monday, covers the following federative units:
- North: Acre, Amazonas, Pará, Rondônia, Amapá, and Tocantins;
- Northeast: Maranhão, Piauí, and Ceará;
- Central-West: Mato Grosso.
Although the orange alert is concentrated on the eve of the holiday, the forecast indicates that the precipitation is not expected to stop.

Thus, on Tuesday (21), the day when the Tiradentes holiday is celebrated, the rain system may advance and reach other states, requiring continuous attention from drivers and residents.
How to protect yourself during the holiday eve?
With wind gusts forecasted between 60 and 100 km/h, personal safety should be a priority.
Additionally, the occurrence of electrical discharges and falling tree branches poses a real danger to those on the streets.
- Avoid unsafe shelters: Do not stay under trees, as there is a risk of falls and lightning.
- Be cautious with vehicles: Do not park near transmission towers or advertising panels.
- Electronic devices: Whenever possible, unplug equipment to avoid damage from short circuits.
The volume of rain, which varies between 30 and 60 mm/h, can cause rapid flooding. On the other hand, authorities recommend that people seek updated information from the local Civil Defense (phone 199) or the Fire Department (phone 193) in case of serious incidents.
Therefore, staying informed and avoiding unnecessary travel during critical moments is essential for enjoying the break safely.
With information from ND Mais and Inmet

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