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Overview
- The national weather service warns of wind gusts up to 100 km/h across nine states, with 90–120 km/h possible in Rio Grande do Sul and Santa Catarina.
- Forecasts call for daily rainfall near 100 millimeters, raising the risk of urban flooding, power outages and localized damage.
- Cemaden issued hydrological and geological alerts that include areas of São Paulo and Campinas, Petrópolis, Belo Horizonte, Juiz de Fora, Porto Alegre, Santa Maria, Caxias do Sul and Florianópolis.
- The Brazilian Navy cautions of coastal swell with waves near 3.5 meters along the coasts of Rio Grande do Sul and Santa Catarina between the nights of December 10 and 11.
- Meteorologists expect the cyclone’s center to reach the ocean off Rio Grande do Sul between Wednesday and Thursday, then move away gradually as authorities urge people to avoid exposed areas and follow civil defense guidance.