Campania was placed under a yellow weather alert from 2:00 PM on Monday, 12 October until 6:00 AM on Tuesday, 13 October, with rain and thunderstorms expected across the region, including the Sannio area.

According to the notice from the Campania regional Civil Protection, reported by NTR24, locally intense rainfall was possible during the alert period.

Hydrogeological risks

The alert warned of possible hydrogeological impacts, including flooding, overflowing waterways, rising river levels, runoff on roads, rockfalls and landslides.

Municipal measures

The warning was issued to municipalities through the regional Sala Operativa Unificata. Municipal authorities were advised to activate Municipal Operations Centres and implement the measures established in their civil-protection plans.

No specific Sannio municipalities with the strongest rainfall were identified in the sources, which describe forecast risks and alert measures rather than observed impacts.