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Severe Weather in Finistère: Winds and Waves causing Flooding

Finistère is placed in a yellow alert weather warning that could develop into an orange alert on Monday 1st January 2018.

The Prefecture of  Finistère  announced that the department is placed in yellow alert for high winds, which could be violent for the night of Friday 29 to Saturday, December 30, 2017.

A South West wind will blow hard with peaks of 80 km/h inland and 90 km/h on the coast or in the hills of Arrée. The accumulated rainfall could locally reach 20 mm.

On Saturday, a steady wind from west-southwest is expected with gusts of 60 to 80 km/h.

The speed limit is 70 km/h instead of 90 km/h on the bridge of Iroise at the entrance to Brest starting Friday.

Sunday 31st December




In the morning, the strong and turbulent wind Southwest blow in gusts between 70 and 90 km/h or 100 km/h on the coast. It will weaken slightly during the morning (gusts of 60 to 80 km/h) to strengthen again in the evening.

A new rainy passage is expected in late night and Sunday morning with temporarily sustained rainfall. The afternoon should be marked by the return of some lulls alternating with a few showers.

Monday 1 January

A new active wave will cross the department, accompanied by sustained rains and violent gusts of Southwest to west of about 90 to 110 km / h on Cornwall and 80 to 100 km/h on the Leon. Trolling sky take over late in the day, alternating light showers.

The tides of the 2nd to the 5th January approaching. From the 1st January, the tidal coefficients are high (97 to tide Monday evening). Despite Monday discount, the swell will, according to forecasts, energy and very rough seas. Therefore, subject to confirmation at the weekend, a yellow waves submersion vigilance this probably Sunday could evolve in orange waves submersion vigilance tide evening Monday 1st January. Under the influence of the tide, a flood vigilance Yellow episode is also planned.

 

Practical information
The prefect of Finistère recommended to keep informed, in particular by consulting the online forecasts on the website of Meteo France: 
www.vigilance.meteofrance.com
and https://www.vigicrues.gouv.fr/

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