Overview
- INMET upgraded warnings on Saturday to an orange alert for 69 municipalities in Paraná and issued severe-storm notices for Santa Catarina, warning of winds up to 100 km/h, heavy downpours and possible hail.
- Wider national alerts issued since June 18 continue in multiple states with forecasts of intense rain rates of 20–30 mm per hour or up to 50–100 mm per day in extreme cells and gusts commonly between 40–60 km/h.
- Authorities warn of immediate hazards including rapid urban flooding, fallen trees, power outages, damaged roofs and crop losses from hail, and advise residents to use Defesa Civil (199) or Bombeiros (193) in emergencies.
- Meteorological services say the current frontal system should move offshore by Sunday but a new front and an incoming polar air mass are expected from Monday, bringing marked cooling and risk of geadas midweek.
- State defense civils and agencies such as Simepar and local emergency centers are issuing time-bound municipal alerts and advising people to secure loose objects, avoid flood-prone routes and monitor official channels for updates.