Check the Weather Forecast in SC, with Rafaela Cardoso Santa Catarina is under two meteorological warnings issued by the National Institute of Meteorology (Inmet) valid from this Friday (17th) until Sunday (19th). The West, Serra and South regions are expected to face winds of up to 100 km/h and heavy rain. Heat also marks the period, with forecasts of up to 30°C in some areas. Agencies that monitor the climate already associate instability with the El Niño phenomenon. ?Click and follow the g1 SC channel on WhatsApp ?The first alert from the federal agency, in yellow (potential danger), is a gale. According to Inmet, there is a risk of falling trees, roofing of houses and damage to plantations and buildings. The second warning, in orange (danger), indicates rainfall accumulations of up to 50 millimeters per day. At the beginning of the week, Inmet had already confirmed the influence of El Niño in southern Brazil and predicted more rain in the coming days (see the alerts below). Inmet confirms the influence of El Niño in the South and predicts more rain in SC Rain in Florianópolis Ricardo Wolffenbüttel/Secom SC Friday (17) ? Warning in orange (Danger) for gales: winds of up to 100 km/h. ? Yellow warning (Potential Danger) for storms: rain between 20 and 30 mm/h or up to 50 mm/day, intense winds (40-60 km/h), and hail. Saturday (18) ? Warning in orange (Danger) for gales: winds of up to 100 km/h. ? Yellow warning (Potential Danger) for storms: rain between 20 and 30 mm/h or up to 50 mm/day, intense winds (40-60 km/h), and hail. Sunday (19) ? Warning in orange (Danger) for gales: winds of up to 100 km/h. ? Yellow warning (Potential Danger) for storms: rain between 20 and 30 mm/h or up to 50 mm/day, intense winds (40-60 km/h), and hail. ?? El Niño is characterized by warming greater than or equal to 0.5°C of the waters of the Pacific Ocean, causing effects on the climate of the entire planet. In Brazil, the phenomenon tends to reduce rainfall in the North and Northeast regions and increase the frequency and volume of precipitation in the South. Periods of more intense rain are expected to last until the end of July. The state Civil Defense is also monitoring the new period of instability due to El Niño. According to the state government, meteorological models indicate that, from Tuesday (21), rain tends to become more frequent, starting a rainy period that could last until the end of July. According to meteorologists, as the system approaches, it will be possible to define more precisely the areas and periods of greatest risk. VIDEOS: most watched g1 SC in the last 7 days