Sistema de alta press\u00e3o:<\/strong> uma massa de ar frio e seco sobre o Sul do Brasil.<\/p>\n\n\n\n Perda radiativa<\/strong>: a aus\u00eancia de nuvens facilita a libera\u00e7\u00e3o r\u00e1pida de calor da superf\u00edcie para a atmosfera durante a noite. <\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n Figura 01<\/strong> \u2013 Temperaturas m\u00ednimas registradas em Santa Catarina no dia 19\/04\/2026.<\/p>\n\n\n\n Gils\u00e2nia Cruz \u2013 Meteorologista da Epagri\/Ciram.<\/mark><\/strong><\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" O amanhecer deste domingo (19\/04\/26) foi marcado por temperatura baixa nas \u00e1reas altas da Serra Catarinense, com temperatura m\u00ednima abaixo de 5,3\u00b0C, chegando a 1,5\u00b0C em S\u00e3o Joaquim. Esta condi\u00e7\u00e3o foi prevista pelos meteorologistas da Epagri\/Ciram. O amanhecer deste domingo (19\/04\/26) confirmou as previs\u00f5es da Epagri\/Ciram, apresentando temperaturas t\u00edpicas de inverno nas \u00e1reas altas da 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Amplitude t\u00e9rmica:<\/strong> r\u00e1pido aquecimento durante o dia e decl\u00ednio acentuado no per\u00edodo da noite. Essa varia\u00e7\u00e3o brusca de temperatura \u00e9 a marca registrada das esta\u00e7\u00f5es de transi\u00e7\u00e3o, como o outono.<\/p>\n\n\n\n![\"\"](\"https:\/\/ciram.epagri.sc.gov.br\/wp-content\/uploads\/2026\/04\/Copia-de-Maiores-temperaturas-62-1024x1024.png\")
<\/figure>\n\n\n\n