Information on the precipitation map
The 0.1 x 0.1 degree spatial resolution used in the daily hydrological forecasting activities of the Hungarian Hydrological Forecasting Service for the calculation of precipitation
runoff for the sub-catchments of the Danube and Tisza suffices the river forecasting needs. However, in order to have adequate and efficient precipitation information for the more
detailed topography and watercourse network of sub-catchments smaller than the current ones, the resolution needs to be refined.
The finer resolution is 100 times that used so far, i.e. 0.01 x 0.01 degree. Since the amount of data thus increased a hundredfold would be much more difficult to handle than before,
the time required for calculations would strain time constraints, and since the accuracy required for larger catchments further from our borders does not justify this, the denser
grid data is only used for certain small-sized catchments that have a significant impact on the development of national runoff conditions.
In addition to the purpose of hydrological forecasting, the finer-resolution precipitation fields are of course also suitable for other purposes,
such as for learning about the precipitation conditions of arbitrarily delimited areas, and for performing calculations with the precipitation amount for the areas.
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