Overview
- Civil Protection issued yellow alerts for Piedmont, Tuscany, Lazio and Campania due to hydrological and snow hazards.
- Trenitalia adjusted regional services in Piedmont with route limitations, cancellations and replacement buses in response to the alert.
- Rainfall peaks above 100–120 mm are forecast between the Levante Ligure and high Tuscany and in inland Sardinia, with locally intense showers elsewhere.
- Western Alps are set for significant snow with up to about 50 cm above 1,500 meters and 20–30 cm at 1,000–1,500 meters, with flakes down to 200–300 meters in the Cuneese and Astigiano.
- Precipitation tapers in the North on Dec. 17, with Scirocco-driven warmth near 18°C in the South and level-4 avalanche danger reported in the Alpi Marittime.