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By clicking on specific catchments, users are able to see where in the impact matrix the catchment lies. There is also some additional information on the number of people, education, health and energy generation facilities forecasted to be affected. By having one of the animation layers (such as 'TAMIR - Impact Forecasts') switched on at the same time, it is also possible to view these catchment summaries at each of the forecast reference times (Figure 2).
Figure 2. The flash flood impact level forecast over Northern Ireland on the 4th September 2022; each hour's summary is selectable on the left
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