Overview

• Orange vigilance applies to Bouches‑du‑Rhône and Vaucluse for rain‑flood and storms from 12:00, to Drôme for rain‑flood from 12:00, and to Var for storms from 16:00.
• Rainfall totals are forecast at 60–90 mm with isolated peaks up to 120 mm in the Rhône Valley and the PACA region.
• Storms may become temporarily stationary, producing very large accumulations within a few hours as the disturbance crosses the southeast Sunday afternoon and evening.
• Hazards include medium to large hail, intense lightning, violent wind gusts, and occasional coastal whirlwinds, with a marked risk in southern departments.
• Météo‑France notes the alert could be extended or upgraded in neighboring areas, with northern Brittany also at risk of storms, and warns Var could see supercellular activity later in the day.