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The reporting points in the EFAS map viewer (left) and the corresponding colours depending on exceedance of a return period threshold (right).
Data access: Social Media Activity layers are publicly available. The remaining layers under this category are available in real time exclusively to the EFAS registered users (we could add a link to the CoA), and become publicly available for any date older than the embargo period.
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Hydrological layers
The Hydrological layers menu provides information on return period exceedance per LISFLOOD grid cell. All four types of forecasts (two deterministic and two probabilistic) are available. The probabilistic ones are provided for two return period thresholds (5- and 20-year RP) and visualised as categorized probabilities, whereas the deterministic shows the maximum threshold exceeded for each grid cell.
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The Hydrological menu with the available layers.
Data access:
Initial condition layers
Within the EFAS-IS, one can find information of the initial hydrological and meteorological conditions which are estimated directly from either observations or the hydrological model or satellite data (see Figure 7). More information about the initial conditions can be foundhere.
Data access:
The Initial Conditions menu with the available layers.
Flash flood layers
EFAS EFAS is also providing information on flash floods. This can be found in the Flash Flood menu and particularly after selecting the ERIC reporting points layer.
The ERIC reporting points layer indicating probabilities for flash flooding.
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For the ERIC reporting points, the number placed near the triangle indicates the % of COSMO-LEPS members (20 in total) exceeding the 5-year return period threshold. The triangles can have different colour and size depending on the (probability of the) threshold exceedance and lead time. More information on the ERIC points is available here. Information about the scientific evaluation of the ERIC product can be found here.
Data access:
Static layers
The static layers menue contains mostly auxiliary layers easing vizualisation and interpretation of the information presented in the EFAS IS. For example, the LISFLOOD drainage network and the Catchments layer presented together with the Major Rivers layer allow for a better orientation on the map.
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In the example below, one can select the Enable/disable notifications on map in order to see the notifications (formal, informal, flash flood) that are ongoing on the selected date.
Highlighting the flood notifications.
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