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Brazil weather alerts: Storms in South and Southeast, low humidity in Center-West
Brazil is facing widespread weather instability, characterized by severe storms in the South and Southeast, and extreme low humidity in the Center-West and Northeast.
In the South, an extratropical cyclone and an atmospheric river from the Amazon are expected to bring heavy rainfall, potentially exceeding 200 mm in parts of Rio Grande do Sul. The Rio Grande do Sul State Civil Defense has issued Hydrometeorological Warning 15/2026, noting risks of flooding in the Taquari and Caí river basins, as well as wind gusts exceeding 90 km/h. Santa Catarina and Paraná also face risks of storms, hail, and intense rain.
In the Southeast, Inmet has issued orange alerts for storms in Rio de Janeiro, Espírito Santo, and parts of Minas Gerais. Minas Gerais is also under a yellow alert for storms in 505 cities.
In the Center-West and Northeast, significant risks of low air humidity persist. Orange alerts are active for eastern and northeastern Mato Grosso, and northwestern and northern Goiás, as well as southern Maranhão, southern Piauí, and northwestern Bahia. Temperatures in the interior of Bahia may approach 40°C.
Entities
Belo Horizonte · Brazil · Civil Defense · Climatempo · Defesa Civil · Defesa Civil do Rio Grande do Sul · Instituto Nacional de Meteorologia · Mato Grosso do Sul · MetSul Meteorologia · Midwest Brazil · Minas Gerais · Mozambique
Claims
What the coverage asserts, and how many sources carry each claim.
- [● 4 SOURCES] An orange alert for low air humidity is active in parts of Mato Grosso, Goiás, and the Distrito Federal. potiguardemossoro.com.br · portalgilbertosilva.com.br · ubajaranoticias.com.br
- [○ 1 SOURCE] The South and Central regions of Rio Grande do Sul are expected to see intense rain on Thursday and Friday.
- [○ 1 SOURCE] Rio Grande do Sul faces a risk of severe weather and intense rain between May 27 and May 31.
- [○ 1 SOURCE] The Southeast region will experience heavy clouds and rain showers in Minas Gerais, São Paulo, and Rio de Janeiro.
- [○ 1 SOURCE] Low humidity alerts are also active in parts of the North and Northeast regions. potiguardemossoro.com.br
- [○ 1 SOURCE] Instability in the Midwest, Southeast, and South regions may cause thunderstorms and potential hail. potiguardemossoro.com.br
- [○ 1 SOURCE] Heavy rain is forecast for the Valleys and Serra regions during the weekend.
- [● 2 SOURCES] An orange alert for low air humidity is active in the southern extreme of Maranhão, southern Piauí, and northwestern Bahia. rdmonline.com.br
- [● 3 SOURCES] An orange alert for low air humidity is active in the center-south of Tocantins. portalgilbertosilva.com.br · ubajaranoticias.com.br
- [● 3 SOURCES] A yellow alert for storms is active in Rio de Janeiro, São Paulo, Minas Gerais, and Espírito Santo. jornalentrevista.com.br · www.serranewsrj.com.br
- [● 4 SOURCES] A yellow alert for storms is active in Mato Grosso do Sul. portalgilbertosilva.com.br · horams.com.br · expresso360.com.br
- [● 4 SOURCES] Inmet issued an orange alert for low air humidity in eastern and northeastern Mato Grosso, and northwestern and northern Goiás. portalgilbertosilva.com.br · ubajaranoticias.com.br · expresso360.com.br · www.brasilemfolhas.com.br