The State Meteorological Agency reports that during the afternoon and evening of Monday and early morning of Tuesday, very heavy rainfall will occur, accompanied by strong storms, and therefore activates a yellow alert level.
AEMET reports that rainfall can accumulate up to 20 liters in just 1 hour, and will also be accompanied by strong storms.
The warning will come into effect on Monday the 20th at 6:00 PM, ending this episode at 6:00 AM on Tuesday the 21st.