Sunday, May 22 from 4:00 pm to 12:00 noon on Monday, May 23rd.

Situation

The heat wave, which will permanently affect a large part of France, will end with a strong storm that will hit 3/4 of the country between Sunday evening and Monday afternoon. This sharp collapse is associated with a depression that sinks Sunday in the Bay of Biscay and rises from Sunday to Monday evenings and nights in the southwest and northeast of the country until Monday. The collision of the air mass that occurs when this depression between the very hot air rising from Morocco and the cold air coming from the Atlantic passes will create violent phenomena.

Observation

This Saturday at 12 p.m., The depression caused by the impending bad weather is approaching the Portuguese coast at the Lisbon level. It brings very hot air from the south of the Garonne to the Overgne-Ron-Alps which is already 25 to 30 degrees Celsius.

Evolution

Here is a chronology of this significant widespread decline to 3/4 of the country:

Sunday afternoon, The first timely and localized storms occur mainly over the Ouagne-Rh -ne-Alps to the Franെois-Comte. Due to the intense heat, these hurricanes are expected to become locally violent in a timely manner.

Sunday and Monday evenings and nights The actual erosion will begin, initially affecting the large south-western footpath from New Aquitaine to the Midi-Pyrenees in Poitou, and then set in the center, Pace de la Lower, and then the Paris Basin on Sunday morning. 9am with our services. These storms can be accompanied by heavy rainfall and locally hailstorms and strong winds.

During the day on MondayLightning will move east, from the Grand-Est to the Bourgogne-France-Comté to the Rhône-Alpes, and is likely to be violent, especially in the morning with a minimum of 20 C.

The main features of this generalization to 3/4 of the country are:

– Very high electrical performance
– Possibility of hailstorm causing crop damage
– Rapid and intense rainfall, which can cause occasional flooding and flooding
– Winds that can reach speeds of up to 100 km / h during thunderstorms

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