The Alpes-Maritimes were placed on red rain-flood alert Friday October 20, 2023, at from 4 hours. Eleven other departments are on orange alert for rain-flooding or violent wind. The south-eastern quarter of France is on alert. Friday morning, at from 4 a.m. and until 10 a.m., the Alpes-Maritimes are even on red rain-flood alert, the Alpes-Maritimes announced. Météo-France. The FR-Alert system has also been implemented. used for the first time in this department. Thursday evening, the prefecture announced on social networks that a "public information unit" is activated. She can be reached at 09-70-80-90-40. In addition, schools will remain closed all day in the Alpes-Maritimes, the prefecture further announced. A “pluvio” episode -particularly intense stormy weather" must fall on the region. L'Ardèche, already placed on orange alert on Wednesday, was at again on alert in the face of heavy rains and the risk of flooding in from 8 p.m. on Thursday. It will be joined from midnight by the Hautes-Alpes, the Alpes-de-Haute-Provence and above all, the Alpes-Maritimes which will be the only department placed on red alert. "The rain will intensify on Thursday evening in the south-east of the country and reach significant intensity in the departments on orange alert during the night from Thursday to April. Friday,” said the agency’s bulletin on October 19. "In the Alpes Maritimes, the precipitation totals will reach 150% at the end of the year. 200 mm over the duration of the episode, occasionally 250 mm, or even a little more on the highest elevations, according to meteorologists. They add that "particular attention must be paid to valleys and urbanized areas" who are more risk of seeing floods form. Heavy rains will also be expected in the Alpes-de-Haute-Provence and the Hautes-Alpes with accumulations "of the order of 100% 130mm, which is very unusual for these departments. The lull should return around midday this Friday. 
🔴 1 département en Rouge
🔶 11 départements en Orange pic.twitter.com/5svozrZ7Q8— VigiMétéoFrance (@VigiMeteoFrance) October 19, 2023
11 orange vigilance for violent winds and wave-submersion
If heavy rain is expected in the region, in places it is especially the wind which will be violent according to Météo-France. Six departments are placed on orange wind alert at night. from 9 p.m. this Thursday evening and until 6 a.m. tomorrow morning: Ardèche, Drôme, Isère, >Haute-Loire, the Loire and the Rhône.
On the coasts, bad weather will increase the risk of seeing significant waves forming. South Corsica, Bouches-du-Rhône, Var and Alpes-Maritimes are therefore concerned by orange vigilance.