Under "flooding" you can find information about current and forecasted flooding in Flanders. The information shown on the map varies according to the sub-theme.
Forecasts are made on the basis of computer models. These simulate the physical properties of a waterway and compute how the water will flow through the bed. Precipitation forecasts are used as basis for these calculations.
The (HIC) officers on-duty and (VMM) operators interpret the results of these models in order to filter out the most relevant information. This interpretation can be found in the waterinfo reports.
The current situation shows the water level and flow measurements. The current themes show only measurements and not the results of the forecasting models.
For measurement points for which thresholds have been defined, the symbols on the map change colour if specified alert or alarm thresholds have been exceeded.
For the retention basins on non-navigable watercourses, that are managed by VMM, you can check the status in the retention basin status widget.
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The graphs below the map show the forecasts in the form of a dotted line. A vertical line is used to indicate the start time of the forecast (STF). A second vertical line shows the current time (NOW).
If you maximise the graph, a band of forecasts will appear next to the dotted line. This band indicates the probability of the forecast on the basis of various rainfall forecasts. The change in colour of the dykes of navigable waterways, based on the forecast, i.e. the freeboard, is also shown on the map.
Professional users also have access to the flood impact module. This module shows the number of buildings for which flooding is forecast. It is also possible to view the percentage distribution of this total impact over the various river basins in Flanders.