The criteria currently in place for the issue of an EFAS Pre-Tasking request are listed below:

• An EFAS Formal or Informal notification has already been sent to relevant EFAS partner(s). Pre-Tasking is not issued based on Flash Flood signal.
• Total flood probability median (i.e. 50% probability) needs to exceed the 20-yr RP threshold.
• Start of the event (i.e. median exceeding the 5-yr RP threshold) generally within 24-36 hours from the current time (can be less, cannot be more).
• Area part of EFAS Condition of access.

Additional considerations:

• The spread of the total probability shown in the reporting point pop-up window forecast is not very wide (high certainty in the forecasts).
• The historical model performance (where available) is adequate indicating that the model is not lacking of process representation.
• Adequate accuracy of water balance (hydrological simulation driven by the most recent meteorological observations), indicating that the initial model conditions are correct.
• The forecast should be persistent and affecting a reasonably long stretch of a river (as displayed in the layer "Flood probability"- layer from the "Flood summary" tab).
• Presence of a signal from the Rapid Impact Assessment layer can considered as supporting information.
• Flows are not significantly affected by reservoirs.

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