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DISCUSSIONS PRÉVISIONS du 15 au 21 mai 2017


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Bonsoir et bonne fin de semaine à tous...

 

Tout un patron  qui se mettra en place cette semaine, pour une période  de temps assez violent juste à notre Sud.  Faudra suivre la suite pour nous.  :thanksjap:

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Edited by Mizar
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Yes. Le début de la saison des orages.

 

Selon le GFS, il y aurait assez de CAPE, mais le GDPS dort au gaz. Jeudi reste quand même une journée à surveiller, mais je ne m'attend à rien de spectaculaire. Juste de belles petites étincelles de mai, l'entrée avant le mets principal.

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Un peu d'action en vue pour le sud du Québec demain selon le SPC :

http://www.spc.noaa.gov/products/outlook/day2probotlk_0600_any.gif?1495036342056

 

Résumé de la discussion : Risque de quelques orages violents, rien d'organisé.

"Further east, the upper shortwave trough over the upper Great Lakes will lift east/northeast into Quebec, resulting in height falls across the lower Great Lakes into the Northeast. Strong southwesterly deep-layer flow will aid in moisture transport ahead of a southeastward-advancing cold front from the lower OH Valley to the lower Great Lakes. Strong heating will result in weak to moderate instability by afternoon and isolated to scattered strong to severe storms will be possible."

Edited by Zeus
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Un peu d'action en vue pour le sud du Québec demain selon le SPC :

 

http://www.spc.noaa.gov/products/outlook/day2probotlk_0600_any.gif?1495036342056

 

Résumé de la discussion : Risque de quelques orages violents, rien d'organisé.

 

"Further east, the upper shortwave trough over the upper Great Lakes will lift east/northeast into Quebec, resulting in height falls across the lower Great Lakes into the Northeast. Strong southwesterly deep-layer flow will aid in moisture transport ahead of a southeastward-advancing cold front from the lower OH Valley to the lower Great Lakes. Strong heating will result in weak to moderate instability by afternoon and isolated to scattered strong to severe storms will be possible."

 

:)

post-204-0-68966900-1495068344_thumb.jpg

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Mise à jour des cartes pour la journée :

 

http://www.spc.noaa.gov/products/outlook/day1otlk_1300.gif?1495115380529

Risque de tornades : À noter l'événement majeur dans le mid-ouest ce soir.

 

http://www.spc.noaa.gov/products/outlook/day1probotlk_1300_torn.gif?1495115433187

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