
Forecast indicates hail, strong winds and accumulated rain between Wednesday and Thursday in the state.
AI-generated summary
The Uruguay River is being monitored due to levels above the flood level in São Borja. The state of Rio Grande do Sul faces severe climate instability with storms forecast.
The Civil Defense Monitoring Center warns of isolated storms with hail, gusts of wind and rainfall accumulations of between 20 and 90 mm between Wednesday and Thursday.
The hydrological condition is also monitored. The Uruguay River is above the flood level in São Borja, with risk of elevation. In Itaqui and Uruguaiana, the river must remain at an alert threshold. From the end of Wednesday and Thursday (12) the Uruguay River should be stable.
This Wednesday morning, lightning was recorded in Santa Maria, in the Central Region of RS. See the video above. The most severe conditions are expected in the West, in the Missions and in the Northwest of Rio Grande do Sul. In other regions of the state, the forecast is for light to moderate rain showers.
According to a forecast from Climatempo Meteorologia, maximum temperatures could approach 30°C in cities such as Senador Salgado Filho, Pinheirinho do Vale, Mato Leitão and Brochier. The highest rainfall accumulated for the day is 5 mm in Iraí, Barão do Triunfo and Uruguaiana, and 4 mm in São Borja.
The Metropolitan Region of Porto Alegre has a forecast of showers between the afternoon and evening, but with an accumulated rainfall of 1 mm. In the capital, the day starts overcast, with the sun appearing in the morning. The maximum will be 28°C.
On Thursday (12), instability advances with isolated storms across a larger area of RS. There is a risk of hail and winds above 80 km/h. Rainfall can reach 40 mm in these areas, with isolated spots of up to 70 mm. In the Campaign and in the Metropolitan Region, weak to moderate showers are expected.
Temperatures rise, with maximums of up to 32°C in municipalities such as São Borja, Forquetinha, Porto Lucena and Barão do Triunfo.
On Friday (13), the instability loses strength and becomes more localized in the Serra and Northeast of the state. Saturday (14) will see high temperatures, with rain showers in isolated parts of Rio Grande do Sul.
AI outlook — possibilities, not facts
Stabilization of the level of the Uruguay River from the end of Wednesday.
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