World · Latin America · 11 hrs ago
Heavy rain and storms forecast across parts of Brazil through Saturday
Brazilian weather agencies forecast heavy rain and storms across parts of the South, Center-West and Southeast from Wednesday through Saturday.
The warnings cover several states, including São Paulo and Rio Grande do Sul, and some areas may also see hail and strong winds.
In São Paulo, the state Civil Defense has placed the whole state on alert from Thursday to Saturday, including the capital and its metropolitan area.
Repeated downpours could cause flash floods and raise rivers and streams, while saturated ground may increase the risk of landslides in vulnerable areas.
In Rio Grande do Sul, forecasters say some areas could receive more than 150 millimeters of rain by Friday, and the Uruguay River remains above flood level in Uruguaiana, though it is falling.
Friday is expected to bring the greatest storm risk in Rio Grande do Sul, with hail and wind gusts that may exceed 80 kilometers per hour.
Authorities are monitoring conditions and may update guidance; residents are advised to follow official alerts and avoid flooded roads and fast-moving water.
Brazil’s South, Southeast and Center-West are forecast to face rain and storms from Wednesday through Friday, with São Paulo state under a rain alert through Saturday.
The National Institute of Meteorology warns of possible thunderstorms, hail and strong winds, with orange-level storm alerts in parts of the South and Mato Grosso do Sul.
In Rio Grande do Sul, winds could exceed 80 km/h and some areas could receive more than 150 millimeters of rain from Wednesday to Friday.
São Paulo’s Civil Defense warns that repeated rain could raise river and stream levels and cause flooding, flash floods and landslides in vulnerable areas.
- Who
- Brazil’s National Institute of Meteorology and state Civil Defense agencies issued forecasts and alerts.
- What
- Rain and storms are forecast across parts of Brazil, with risks including hail, strong winds and flooding.
- When
- From Wednesday, October 21, through Friday, October 23, in several regions; São Paulo state is under alert through Saturday, October 24.
- Where
- Parts of the South, Southeast and Center-West, as well as all of São Paulo state; rain is also forecast in parts of the North.
- Why
- The forecast attributes the unsettled weather to changing atmospheric circulation and systems bringing warm, moist air. São Paulo’s alert cites meteorological systems associated with the El Niño bulletin.
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Storms were forecast to begin in parts of the South, including areas of Rio Grande do Sul.
Rain and storm activity were forecast to spread or intensify across parts of the South, Southeast and Center-West; São Paulo’s state alert began.
The highest storm risk period was forecast for Rio Grande do Sul, with the strongest rainfall amounts expected there.
Rain was forecast to continue across much of São Paulo state.
- São Paulo alert
- Statewide, October 22–24
- Rio Grande do Sul wind risk
- Gusts could exceed 80 km/h
- Rio Grande do Sul rainfall
- Local totals could exceed 150 millimeters, Wednesday–Friday
- Orange storm alert
- Parts of Paraná, Santa Catarina and Rio Grande do Sul; southern Mato Grosso do Sul
- Yellow alert rainfall
- 20–30 millimeters per hour or up to 50 millimeters per day
4 sources
What people are saying
We are warning the population in advance so there is time to prepare.