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Zeus
Meteo 8 vapor image of Zeus storm France 6 March 2017
TypeEuropean windstorm, Extratropical cyclone, Winter storm
FormedMarch 6, 2017
DissipatedMarch 6, 2017
Highest gust193 km/h (120 mph) Camaret-sur-Mer
Lowest pressure996 mb (29.4 inHg)[1][2] (or 991.3 hPa Ouessant [3])
Fatalities2[4]
Areas affectedFrance, Switzerland, Italy.

Cyclone Zeus was an Extratropical cyclone described as a European windstorm which affected France on 6–7 March 2017. The storm developed rapidly and moved quickly across France on a north-west/south-east trajectory from Finistère in Brittany to the Alpes-Maritimes then Corsica. The storm's rapid strengthening resulted in much stronger winds than initially expected, with a maximum gust of 193 kilometres per hour (120 mph) recorded in Camaret-sur-Mer, Finistère.

Storm « Zeus » has crossed France from Brittany to the Gulf of Genoa on 6 March 2017 with some extreme gusts especially on western Brittany , on mountainous areas in the Massif Central and then on the French Riviera-http://www.euroforecaster.org/presentations_2017/Minutes.pdf http://www.euroforecaster.org/presentations_2017/Zeus.pdf

Météo-France reported 7% of French territory experiencing winds in excess of 120 kilometres per hour (75 mph), with 32% of the surface of France saw winds exceeding 100 kilometres per hour (62 mph).[5] With Météo-France describing it as the tenth most severe storm to impact France between 1980-2017.[5] The storm was the costliest storm of the 2016/17 winter across Europe.[6]


produced very strong winds for a very shallow pressure drop

Name

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Location of "Zeus" and Free University Berlin named lows 6 March 2017.[7]

Zeus namme was used by MeteoFrance https://twitter.com/meteofrance/status/838674134817193986 Zeus not called zeus,[8]

Note: The name Zeus has been attributed by the University of Berlin to a rippling in Central Europe. This storm has not been named. However this name, taken again by the media, was imposed.[9]


Meterological development

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Carte météorologique animée du KNMI pour Zeus du 6 au 7 mars.

Sting jet Zeus deepened quite a shallow depression and decayed rapidly (short-lived) and was not named by the Free University of Berlin's Adpot a Vortex scheme.[6]

very strong winds for a depression so shallow http://www.estofex.org/cgi-bin/polygon/showforecast.cgi?text=yes&fcstfile=2017030706_201703060301_2_stormforecast.xml Although the system’s track was well-forecast by forecasting agencies, peak wind speeds were much stronger than anticipated, particularly in northwest France.[10]

Historical context

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windstorm Zeus ranks as a moderate event on a European scale, as it is a loss figure that would be expected to be reached or exceeded atleast once a year. For the French market alone, however, it represents a more significant event as such a loss would be expected to be reached or exceeded approximately once every three years.”[11]

Météo-France described Zeus as the tenth severest winter storm to have affected the metropolitan France in the period 1980-2017, 32% of the country's surface was subjected to winds of more than 100 km / h, 7% to winds exceeding 120 km / h.[12] According to Météo-France, Zeus is ranked fifth among the strongest storms in the last 70 years, based on measurements of peak gusts. https://reactionsnet.com/CatastropheCentre/Details?externalId=3319127 http://www.meteofrance.fr/documents/10192/46964783/Records-vent-6-mars-2017

Strongest gusts since Lothar 1999, 193 km/h In relation to other recent storms the Zeus storm produced a maximum wind gust equal to that seen in St Jude storm of 2013 of 193 km/h (measured strongest gust in Danish recoded history) at Kegnæs lighthouse.-Karreman PhD.

stronger than Xynthia.[13]

http://actualite.lachainemeteo.com/actualite-meteo/2017-03-08-05h41/tempete-majeure-zeus---nombreux-records-32011.php

Impact

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Zeus IR satellite loop

2 deaths transport infrastructure

part of a succession of similar episodes in a very short time, Zeus is indeed the fifth storm to hit the territory in less than a quarter after Egon, Kurt, Leiv, and Marcel.[13]

maximum 600,000 customers without electricity enerdis mobilising 3,500 technicians to repair the grid.[14]this is the first time since the storms of December 1999 that there have been so many homes deprived of power, especially in Brittany and Auvergne-Rhône-Alpes. "Peaks well over 600,000 customers without electricity have been recorded," said Robin Devogelaere. As a reminder, in 1999, three million homes had been plunged into darkness.[13]

This depression is characterized by a large geographic extent, nearly two-thirds south of the country having been affected by winds over 100 km / h in the plain. Large cities such as Paris, Rennes, Bordeaux, Lyon or Marseille have nevertheless been spared. Zeus is in this sense comparable to Joachim, who hit France in December 2011, and which also affected all regions of Brittany to the Mediterranean.[13]

600,000 homes were without electricity, the highest number of properties affected by any storm since 1999.[15] Cyclone Joachim 700,000 without electricity 2011.[16][17]

two trucks blown over on the Chevire viaduct over the Loire of the Nantes ring road closed. Three teenagers were seriously injured in Carhaix-Plouguer while on their way to school, and four children were slightly injured in Brive after the collapse of the roof of a school: [18]

In Paris, the weather resulted in the closure of the access from the A4 motorway.[18]

subsequent Tignes avalanche

“Although our market loss estimate initially fell short of PERILS’ reporting threshold of EUR 200 million, we nevertheless decided to capture Zeus as a qualifying event. Given its exceptionally high gust values it will add valuable loss data to the PERILS database allowing subscribers to derive vulnerability information for France for wind speeds exceeding 30m/s.”[19] highest cost storm of winter 2016/17 €284 millon losses at (third of four) loss report 6 September 2017.[11]

References

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  1. ^ "Tempete Zeus: la plus violente depuis le début des années 2000 - Actualité météo". www.meteo.bzh (in French). MétéoBretagne. 6 March 2017. Retrieved 13 November 2017.
  2. ^ "20170307Trajectoire". MeteoFrance. Retrieved 22 December 2017.
  3. ^ "Pression mer horaire Ouessant 6/3/17". MeteoFrance. 7 December 2017. Retrieved 1 February 2018.
  4. ^ "Two killed and 220,000 homes without power as storm Zeus lashes France". 7 March 2017. Retrieved 13 November 2017.
  5. ^ a b France, Meteo (7 March 2017). "Bilan : tempête Zeus du 6 mars". www.meteofrance.fr (in French). Retrieved 2 February 2018.
  6. ^ a b Magnusson, Linus; Hewson, Timothy. "201703 - Windstorm - Zeus - Forecast User - ECMWF Confluence Wiki". software.ecmwf.int. Retrieved 3 December 2017.
  7. ^ "Analysis 6 March 2017". Adopt-a-vortex. Retrieved 3 December 2017.
  8. ^ Bras, Lucie (6 March 2017). "Tempête Zeus: «Un hiver sans tempête, ça n'arrive jamais», explique un météorologue". www.20minutes.fr (in French). Retrieved 13 November 2017.
  9. ^ "Tempête Zeus des 6 et 7 mars 2017 - Tempêtes en France métropolitaine". tempetes.meteofrance.fr (in French). Retrieved 22 December 2017.
  10. ^ "Reactions Home: Windstorm Zeus". reactionsnet.com. 6 March 2017. Retrieved 7 March 2017.
  11. ^ a b "EUR 284M - Perils discloses third loss estimate for extratropical cyclone Zeus" (PDF). Perils.org. 6 September 2017. Retrieved 3 December 2017.
  12. ^ "Bilan : tempête Zeus du 6 mars" (in French). Météo France. 7 March 2017. Retrieved 7 March 2017.
  13. ^ a b c d "Cinq chiffres qui font de Zeus une tempête historique". LCI (in French). 7 March 2017. Retrieved 7 January 2018.
  14. ^ "Tempête Zeus : 180.000 foyers toujours privés d'électricité, fin de la vigilance orange". France Bleu (in French). 6 March 2017. Retrieved 13 December 2017.
  15. ^ "Winter storm brings death and destruction in France". www.aljazeera.com. 7 March 2017. Retrieved 8 March 2017.
  16. ^ "La tempête Joachim a balayé l'Ouest et le Nord de la France - notre-planete.info" (in French). www.notre-planete.info. 20 December 2011. Retrieved 8 March 2017.
  17. ^ "La tempête Zeus bat des records de vent en Bretagne (vidéo) - notre-planete.info" (in French). www.notre-planete.info. 6 March 2017. Retrieved 8 March 2017.
  18. ^ a b "Tempête ZEUS" (in French). Gouvernement.fr. 6 March 2017. Retrieved 8 March 2017.
  19. ^ "European windstorm season losses reach EUR639m with addition of Zeus". Artemis.bm - The Catastrophe Bond, Insurance Linked Securities & Investment, Reinsurance Capital, Alternative Risk Transfer and Weather Risk Management Blog. 13 April 2017. Retrieved 13 April 2017.
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