Sunday, February 7, 2016

Weather. A storm will shake 16 departments of the west facade – Ouest-France

Sixteen western departments were placed on orange alert in the wind, waves or flooding, by Météo France Sunday morning. In a statement, the Ministry of Interior “called the people of the Atlantic coasts of North Channel and the Sea to the utmost caution” address this very strong gust of wind that sweep Channel and coast.

The Interior Ministry said that “preventive measures and monitoring” have already been taken, as in the Vendee, where “of water rescue teams were mobilized in anticipation “.



It’s going to blow!

The beginning of the phenomenon is announced at 3 o’clock in the night from Sunday to Monday and respect Finistère, Côtes d’Armor, Brittany, the Ille-et-Vilaine, the Manche, Calvados, Loire-Atlantique, Nord, Pas-de-Calais, Seine-Maritime, Somme, Vendée, Charente-Maritime, Gironde, Landes and Pyrénées-Atlantiques. The term of this alert is set Tuesday morning at 8 am.

As we announced Friday a new very hollow pressure system should approach the British Isles the next night. The west wind will significantly strengthen south of this depression. Another rainy transition should win most regions, combined with a significant strengthening of the wind.





A map Prediction NOAA American.

Selon Weather forecasts for France, southwest wind, then west will gradually strengthen throughout the night, gusts will be boosted to the passage of heavy showers. The highest gusts will be between 03 and 14 am Monday; they will be powerful and irregular.

The maximum values ​​reach 120 to 130 km / h on the coast exposed to the West Wind, punctually 140 km / h on the caps. In peak gusts inland areas off at 100 to 110 km / h punctually 120 km / h in fairly close coastal areas. The wind will begin to weaken during the afternoon.



Risk submersion

At the risk of flooding, the waves amplify progressively Monday. The strong wind causes an elevation of sea level (premium) with a tidal coefficient of 90 for the open sea Monday morning and 96 Monday evening. The combination of these higher sea levels and the risk of generating strong waves, especially at high tide, flooding of the exposed or vulnerable parts of the coastline of the departments concerned.



According to forecasts from Météo France,  the wind southwest and west will gradually  strengthen throughout the night.

Certains rivers will experience a rapid rise of water. A Quimperlé regularly affected by flooding, the Laïta was placed in yellow alertness.



A wave forecast map of US NOAA .

Les risk periods for the Channel coast, Ille-et-Vilaine, Côtes d’Armor, Finistère, Morbihan, Loire-Atlantique and Vendée: Monday, February 8 at 03h to Monday 8 February at 20 am at least . Hours at sea in Brest. To 5:00 ET 5:00 p.m. Monday, February 8

Call for caution

Weather France encourages extreme caution along the coast but also in the inland because of the power of the winds expected. The Interior Ministry said that “preventive and surveillance measures” have already been taken, as in the Vendee, where “of water rescue teams were mobilized early” .

The interior minister, Bernard Cazeneuve, said in a statement it is “strongly advised not to approach the sea, estuaries, coastal rivers or dikes to limit its movements strictly necessary, to particular attention to falling trees, poles, or objects such as signs “. “In case of power failure, it is imperative not to use thermal generators inside buildings to prevent fatal risk of poisoning ‘, the statement added.



the symbols of the wind weather maps:

.

Notez the forecast map of US NOAA (the ones on white background) presented here is not straight out of the computer and other computers. They have been repeatedly amended and corrected by a forecaster (English: forecaster, abbreviated FCSTR). Which then signs his name. Look at the top left of the card: “FCSTR Bell.”

LikeTweet

No comments:

Post a Comment