Brussels on Sunday 25th July 2021
Dry until early afternoon, with variable cloud and sunny spells. Strong convective cloud development in the afternoon, with a brief light shower at 15.15 local time, and a fairly short, but very heavy shower at 16.00.
Dark and threatening sky after 19.00, with a flash of lightning and several rumbles of thunder around 19.25, followed by another short but very heavy shower at 19.30. Dry but rather cloudy through the rest of the evening.
The thunderstorm was obviously much more intense in the south of Brussels: Uccle reported 19.6 mm rain in the hour up to 20.00.
Seasonal temperature, which fell sharply in the early evening thunderstorm. Mostly light S wind, temporarily moderate in the early afternoon; gusty and rather variable wind around the evening storm.
Brussels Uccle 23.9°C – overnight minimum 15.2°C – 23.0 mm rain
Brussels Airport 24.1°C – overnight minimum 14.3°C – 9 mm rain
Colin Youngs
Brussels