Severe storms sweep across Europe as Flanders stays on the edge of the system
Forecasters are tracking a broad and unstable air mass moving over parts of central and southern Europe, bringing heavy thunderstorms, hail and localised flooding. This is an evolving story and warning levels can change at short notice.
In 30 seconds
- Forecasters are tracking a large unstable air mass over parts of central and southern Europe producing severe thunderstorms, hail and localised flooding.
- Flemish weather reporting, including HLN, indicates the most severe activity is expected to stay away from Flanders, which faces unsettled rather than violent conditions.
- Belgium's official warnings come from the Royal Meteorological Institute (KMI/IRM) on a yellow-orange-red colour scale, issued per province and updated through the day.
- Warning levels for Belgian provinces can be raised at short notice as the boundary of the unstable air shifts; morning forecasts should be treated as provisional.
A large area of atmospheric instability is producing severe thunderstorms across parts of Europe. The key institutions are the Royal Meteorological Institute of Belgium (KMI/IRM), which issues Belgium's official colour-coded weather warnings, and national counterparts such as Germany's Deutscher Wetterdienst (DWD) and France's Meteo France. Flemish outlets including HLN report that the most severe convective activity is forecast to remain south and east of Flanders, leaving the region with unsettled but comparatively mild conditions.
Background
Belgium has repeatedly been caught by summer convective events that arrived faster than the initial forecast suggested. The July 2021 floods in Wallonia and neighbouring Germany remain the reference case for how quickly a slow-moving, moisture-laden system can overwhelm drainage and river infrastructure. Since then, the KMI's warning communication has been under sustained scrutiny, and Belgian regional authorities have invested in faster public alerting through BE-Alert.
What to do
Check meteo.be for the current warning code for your province rather than relying on a morning national forecast. Register for BE-Alert if you have not already. Secure garden furniture and outdoor equipment if a code is raised, avoid parking under trees during a storm warning, and allow extra time for rail and road travel in areas under an orange code.
The Belgian angle
Flanders is currently forecast to sit on the quieter northern flank of the system, with showers and unsettled spells rather than the severe storms expected further south and east. That position is not a guarantee: KMI warning codes are issued per province and can be raised at short notice as the instability boundary shifts.
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