Overview
- SMN alerts remain active from overnight into Sunday morning, with validity windows including 03:00–08:59 and earlier periods from 09:00 Dec. 27 to 02:59 Dec. 28.
- In orange areas, forecasters warn of locally severe storms with intense lightning, hail, 50–120 mm of rain in short bursts, and wind gusts at or above 90 km/h.
- A broader yellow alert spans parts of 15 provinces, where storms could bring 20–50 mm of rain, occasional hail, and gusts near 70 km/h.
- Santa Cruz is under a yellow wind alert for westerly to southwesterly winds with gusts that could exceed 100 km/h.
- Tierra del Fuego has a yellow alert for rain of roughly 10–20 mm, and the SMN advises securing loose items, clearing drains, and unplugging appliances.