Overview

• The Seveso spilled out in Milan’s Niguarda around 10:00 after the Senago retention basin reached capacity, with local officials reporting over 200 millimeters of rain on the basin.
• In the Alessandria area, helicopter teams are searching for a missing woman in Spigno Monferrato and working to recover about 15 people isolated in a campsite.
• Landslides and debris forced closures on key routes including SP583 “Lariana” near Como, SS340 “Regina” at Colonno, and sections of SS29 in the Savonese, while the Alessandria–Savona rail line is disrupted at San Giuseppe di Cairo.
• Monitoring agencies logged exceptional totals such as 254 millimeters at Pareto and more than 265 millimeters in the Alta valle Bormida, consistent with autorigenerating storm cells.
• Civil protection declared orange risk levels in Liguria and northern Lombardy, prompting widespread school closures in Liguria and dozens of interventions by the Vigili del Fuoco, including over seventy in Lombardy.