Check the weather forecast for Santa Catarina The advance of a mass of dry and cold air in the South of Brazil will drop temperatures in Santa Catarina from Monday night (6), with widespread frost and thermometers reaching -3°C in the highest areas, according to Civil Defense. According to the agency, which issued a yellow cold alert, there is a moderate risk of associated events, such as hypothermia, worsening of respiratory and cardiovascular diseases, thermal discomfort and freezing of runways. ?Click and follow the g1 SC channel on WhatsApp SC records -5.7°C and 19 cities below 0°C; VIDEO shows frozen lakes and spider web Frost can occur throughout the state throughout the week, especially between the plateaus and the west of Santa Catarina. ?? ? Frost occurs when a layer of ice forms on surfaces due to the intense reduction in temperature when air humidity is high. Although it seems like a rare phenomenon, it is common in the highest areas of the state and happens throughout the year, including in summer. How long should the cold stay? The cold should remain between nights, early mornings and mornings until at least Wednesday (8) in much of Santa Catarina. ?? According to Civil Defense, the minimum temperatures are close to 0°C in much of the state during the period. ?? In Planalto Sul, Alto Vale do Itajaí and the Midwest, minimum temperatures vary between -3°C and 2°C, and can be even lower at higher points. ?? In the West and Far-West, minimum temperatures vary between 1°C and 5°C, while on the Coast, Planalto Norte and in the Lower and Middle Vale do Itajaí between 3°C and 8°C. In the afternoons, despite the firm weather and the predominance of sunshine, maximum temperatures do not exceed 18°C. Serra de SC fields 'freeze' with frost Mycchel Legnaghi/Disclosure What are the recommendations? Attention to the most vulnerable population, such as the elderly, children and sick people; Shelter pets on colder nights Dress warmly Drink plenty of water Avoid closed and crowded places Maintain hand hygiene VIDEOS: g1 SC's most watched in the last 7 days