
Civil Defense of Santa Catarina warns of a very high risk of flooding, floods, falling trees, roofing and hail in the West and Far-West due to the passage of a cold front this Monday (21), the last day of winter, with a warning valid until 11:59 pm and three risk levels defined by region.
AI-generated summary
The passage of a cold front will cause thunderstorms and heavy rain throughout Santa Catarina this Monday (21), the last day of winter. The notice was released by the state Civil Defense this Sunday (20).
The passage of a cold front will cause thunderstorms and heavy rain throughout Santa Catarina this Monday (21), the last day of winter. The notice was released by the state Civil Defense this Sunday (20).
According to the agency, there is a very high risk of flooding, floods, falling trees, roofing and hail in the West and Far-West of Santa Catarina. There is also a risk of damage to the electrical grid in these regions.
The warning is valid until 11:59 pm on Monday and considers three levels of risk:
🔴Very high (red): Far West, West and part of the Midwest.
🟠High (orange): Midwest, North Plateau, Upper Itajaí Valley, Middle Itajaí Valley, Lower Itajaí Valley, North Coast, South Plateau, Greater Florianópolis and stretch of the South Coast.
🟡Moderate (yellow): South Coast.
In the morning, rain should reach areas of the South Coast and Planalto Sul. Between late morning and early afternoon, instability advances to Greater Florianópolis and the Itajaí Valley.
In the Great West, the first storms begin to occur between late morning and early afternoon. Closer to night, the system advances through areas of the Coast and the North Plateau.
SC has a risk of storms on Monday (21) — Photo: Civil Defense SC/Disclosure
Queue of cars amid rain in Santa Catarina — Photo: Roberto Zacarias/Secom/Disclosure
AI outlook — possibilities, not facts
The first storms will begin to occur in the Great West between late morning and early afternoon on Monday
Very likely · Within hours
The system will advance through areas of the Coast and North Plateau closer to Monday night
Very likely · Within hours
Rain will hit areas of the South Coast and South Plateau on Monday morning
Very likely · Within hours

For this Friday (25), Santo André will have sun with lots of clouds, rain showers and thunderstorms in the afternoon and evening, with maximums of 24ºC and minimums of 15ºC. On Saturday (26), the weather will be sunny with many clouds during the day and periods of cloudy skies, with few clouds at night.

For Osasco (SP), this Friday (25), the forecast indicates sun with many clouds, with rain showers and thunderstorms in the afternoon and evening. Temperatures vary between 15ºC and 26ºC. On Saturday (26), the day will be sunny with lots of clouds and periods of cloudy skies, with clear night skies.

For this Tuesday (22), São Bernardo do Campo (SP) will have sun with many clouds, with rain showers in the afternoon and evening. Temperatures vary between 18ºC and 23ºC. On Wednesday (23), the weather will be rainy during the day, improving at night.

The Civil Defense of Rio de Janeiro sent a warning of strong winds for the early hours of this Tuesday (22), after reports of falling trees and damage on Monday (21), with a maximum gust of 77.7 km/h at Vidigal station at 7:30 am. Safety guidance has been issued to residents and pedestrians.

Civil Defense issued a severe warning about the risk of lightning, wind and hail in the Ribeirão Preto region, with 40 mm of rain and flash floods recorded in Cajuru. Inmet predicts storms on Tuesday with gusts of up to 100 km/h, risk of power outages and falling trees.

After a maximum of 31°C on Monday, São Paulo will see a drop in temperature with the arrival of a cold front this Tuesday, with a minimum of 16°C and a maximum of 23°C, rain showers and thunderstorms. Wednesday will be the coldest day, with a minimum of 13°C and a maximum of 16°C and rain throughout the day.