Barcelona Convective & Rainfall Analysis
SATURDAY, 03 OCT 2026 // COORDINATES: 41.3888° N, 2.1590° E
Severe Squall 20:00–23:00
24h Rainfall
26.3 mm
82% concentrated late
Peak Intensity
8.4 mm/h
23:00 CEST (Torrential)
Peak Wind Gust
34.6 km/h
Coastal on-shore shear
Max CAPE / Storm
530 J/kg
Thunderstorm 20:00-22:00
00:00 04:00 08:00 11:00 [STORM] 16:00 20:00 [STORM] 23:00
00:00 – 10:00
Overcast Stagnation: Dry ground, 100% cloud blanket. Light wind (<6 km/h), high humidity (87-90%). Zero convection.
11:00 – 15:00
Midday Convective Cell: Thunderstorm hits at 11:00 followed by steady rain (~4.5 mm total). Wind gusts pick up to 25 km/h.
16:00 – 18:00
Pre-Squall Lull (Deceptive): Rain drops to near zero, but CAPE climbs rapidly from 230 to 430 J/kg with increasing onshore winds (29 km/h gusts).
19:00 – 23:00
Balearic Squall & Deluge: Consecutive thunderstorms with severe rain accumulation (21.6 mm in 5 hours). Peak dump of 8.4 mm/h at 23:00 with 35 km/h gusts. High localized urban runoff risk.