Overview
- Meteocat’s danger notice runs from Wednesday 14:00 to Thursday 20:00 with localized downpours capable of very high short‑term rain rates.
- Forecasters expect the most active cells over the northwest on Wednesday, shifting to the northeast on Thursday, with impacts expanding from Pirineu and Ponent to Baix Llobregat, Vallès and la Selva.
- Authorities warn of violent weather including hail and damaging wind gusts, with a maximum risk level for downbursts, waterspouts or isolated tornadoes in some areas.
- The Ebro river basin authority cautions that sudden rises in minor watercourses and ravines are possible during the episode.
- Protecció Civil advises avoiding high‑mountain activities and flood‑prone crossings, noting conditions should stabilize toward the weekend as a potential DANA from Sunday remains under monitoring.