Storm Ciaran, live: forecasts revised, TERs canceled by the dozens

Météo France already places three Breton departments on orange vigilance for the evening of Wednesday November 1st and are considering red vigilance. The SNCF has already canceled many TER journeys.

The essential

• Storm Ciaran crosses the Atlantic and gains strength before hitting the French coast. The low-pressure system is expected to blow its first gusts onto the Breton coasts on the evening of Wednesday, November 1 before lashing part of the country on the day of November 2.

< li>While the scale of the phenomenon described as "quite exceptional" is still difficult to achieve To anticipate, Méo France refines its first forecasts. Three departments are placed on storm alert for high winds. from 9 p.m. this Wednesday: Finistère, Côtes-d'Armor and Morbihan. These territories will be the first and perhaps the hardest hit by the storm. "There remain uncertainties about the intensity of the gusts of wind" but it is established that some will be "extremely violent" warns Méo France : "We wait until  150 à 170 km/h potentially on the coast. An opinion which is similar to that of M&eac;téo Bretagne.

Live

21:07 – Gérald Darmanin expects a storm of "the same level as 1999"

Experts have been regularly talking about a particularly violent storm over the past few days. But according to the Minister of the Interior, Storm Ciaran should be at the "same level as 1999", he said Tuesday evening, reporting winds ranging from " at least as quickly, if not faster, than during [the said] storm”, as well as waves which will make” up to 10 meters" high.

20:08 – In &Ile-de-France, traffic on the rail network could be “disrupted” these next few days

On its Twitter account, Ile-de-France Mobilités predicts “disrupted” traffic on its rail network in the coming days, due to the passage of storm Ciaran on the Hexagon. "We therefore invite you to anticipate your movements and anticipate your movements “check the movement of trains on your usual information channels”, specified society.

19:09 – The Minister of the Interior invites the French to "do not go out on Wednesday night" Thursday"

Still from the crisis center, Gérald Darmanin addressed to the French the day before Storm Ciaran, which promises to be particularly violent. The tenant of Bauveau strongly encouraged the French in "do not go out on Wednesday night" Thursday. Due to the risk of submersion waves, Gérald Darmanin also called for help. the inhabitants of "get away from the sea and rivers". Finally, the minister invited everything at hand each to their own "pay attention to vulnerable people."

19:03 – More than 3,000 firefighters mobilized in Brittany, announces Gérald Darmanin

À the day before storm Ciaran passed through the west of the country, the Minister of the Interior spoke on Tuesday, October 31 from the crisis center about the numbers mobilized to cope to bad weather. "3,200 firefighters will be mobilized" as well as four additional helicopters, in the six Breton departments which will be hit by the storm, indicated Gérald Darmanin. Objective: "&Be ready to take on intervene in the event of serious difficulties."

18:48 – What to do in the event of incidents on the electrical network?

À As storm Ciaran approaches, the Enedis network reminds people of safety instructions. à respect. Do not touch wires that have fallen to the ground or objects in contact with an electrical line. Enedis also explains that you must report all dangerous situations by calling 09 726 750 + the number of your department.

17:55 – What safety measures ;security in case of strong winds?

With the announcement of orange alerts for violent winds come this Wednesday in three Breton departments, Météo France recalls the security measures à take in this kind of situation. It is recommended protect your home, in particular by closing the windows, or even the shutters, to limit exposure to the wind. It is also essential to store garden or balcony furniture out of the way. failure to be able to secure them by fixing them to the a ground or agrave; a wall. With this idea in mind, it is also recommended to to park your vehicle outside sheltered, such as in a garage, if possible.

Once at When sheltered, it is advisable to limit movement outside the home as much as possible. outside. Finally, you need to stay informed; Contact the authorities to be aware of the measures put in place if necessary and the latest security measures. à respect.

17:29 – Waves up to 10 meters

If the departments of the Atlantic coast will have to be wary of the power of the wind, it will also be necessary to pay attention to "very strong waves" which could form under the effect of storm Ciaran and pose a risk of wave-submersion. "The Atlantic coast will be affected by very strong waves, of the order of 8 to 100 degrees. 10 meters towards Brittany" this Thursday, warned Méo France. Waves of 6 to 8 meters could also occur along the Channel. The French Observatory for tornadoes and violent storms Kéraunos fears for its part waves up to 13 meters high.

17:07 – Des gusts up to 150 to 170 km/h

"There remain uncertainties about the intensity of the gusts of wind" during the passage of storm Ciaran, but Météo France expects extremely violent squalls, particularly on the Breton coasts of Finistère and Côtes d'Armor where peaks ranging from 150 to 150 170 km/h are predicted during the night of Wednesday at THURSDAY. This is where that the gusts will be the most powerful, but they will also be violent in the interior of Breton lands with winds estimated between 120 and 140 km/h in Finistère, then between 90 and 130 km /h in the rest of Brittany.

4:45 p.m. – TER traffic interrupted in 5 regions Thursday

Safety measures are already there taken from the approach of Storm Ciaran. The SNCF thus announced: "a total interruption of traffic" on some of these lines for Thursday. "All TER lines in the Brittany, Pays de Loire, Normandy and Center Val de Loire regions, at with the exception of the Paris Bercy-Nevers line which runs normally" is concerned by stopping traffic. The TER lines in the Hauts-de-France region have been added to this list. the list in the afternoon.

16:28 – Possible red alerts according to Météo France

The triggering of red vigilance in certain departments during the passage of storm Ciaran is a possibility. that Météo France does not rule out. On the contrary, the meteorological agency considers it possible that alerts of such a level be put in place for the violent winds brought by the depression in particular for the day of Thursday, and more particularly for the next day. ment for the first half of the course daytime.

Storm Ciaran is expected to reach the French coasts, and more particularly the Breton coast this Wednesday, November 1st in the evening. From now on Forecasts may still evolve, but Météo France has already predicted this. placed three departments on orange alert for the wind: Finistère, Côtes d'Armor and Morbihan. Logically, it is the three departments of the tip of Brittany which are the first to be affected by an alert, but the list could and should grow as the storm passes. Finistère and Morbihan are also placed on orange alert for rain-floods. from 9 p.m.

All you need to know about the storm

Forecasts and risks of submersion

Gusts up to 150 km/h and 10 meter waves

A large northwest quarter will be swept away. by storm Ciaran and its violent winds. The gusts should be more powerful on the Breton and Normandy coasts with gusts between 120 and 150 km/h. The French Observatory for Tornadoes and Violent Thunderstorms suggests peaks up to 100%. 160 km/h locally. And if it should gradually lose power at higher speeds forced to sink inland, the wind is expected to remain violent: gusts between 110 and 120 km/h over Normandy and the Pays de la Loire and between 90 and 110 km/h approaching Ile-de-France are announced. The storm could even blow as far as the limits of Hauts-de-France and New Aquitaine.

The wind from Storm Ciaran is expected to be accompanied by a "submersion wave phenomenon" with "very strong waves expected" along the entire Atlantic coast. Météo France announces waves between 8 and 10 meters all around the ocean. The Kéraunos observatory fears waves measuring up to 13 meters. It will be necessary to be vigilant to the risk of submersion and flooding which will be reinforced by the fairly low atmospheric pressure which will raise the water level. Precipitation "sometimes sustained" are also mentioned in this article. by forecasters.

The risks of wave-submersion are particularly feared in the departments of the Atlantic coast which are already in danger. affected by storm Céline during the last weekend of October. Flooding is already happening. occurred in certain coastal towns such as Cap-Ferret, Noirmoutier, at Quimper or even in Pornic and the tides were more important.

Brittany will be affected and could be the region most exposed to the virus. Storm Ciaran. Three of its departments are already in operation. on orange alert for the night of November 1st to 2nd, because it is through the Breton tip that the depression will arrive in France before sinking into the lands of the northwest quarter. The Breton coastline and the Normandy coasts are within easy reach. monitor.

The lands of Normandy and Pays-de-la-Loire could also be affected, as well as the regions of Hauts-de-France and Ile-de-France. and Center-Val de Loire although in these areas the risk seems less significant for the moment according to Météo-France.

To a lesser extent, some departments in the south-west, notably Gironde and Landes, could be swept by the tail of the storm during the night of November 2 to 3 with winds at 50°C. 100 km/h and waves between 6 and 7 meters, or even up to 100 km/h. 10 meters exceptionally in the Bay of Biscay. Note that the final trajectory of the storm has not yet been finalized and that the forecasts could be adjusted.

A storm reinforced by the jet stream

Storm Ciaran must gain strength during its crossing of the Atlantic. This depression coming from the American continent swells under the effect of the very powerful winds of the “jet-stream current”. The current is a sort of corridor several thousand kilometers long in which depressions circulate freely. It marks, as it were, the separation between the cold air coming from the north pole and the warm air coming from the tropics, a contrast which only reinforces the depressions.< /p>