Sat pic over Biscay shows where our humid unstable air is coming from

October 22, 2013 — Leave a comment

This sat pic from 9am over Biscay shows the weather action delivering our wet and windy weather. The northward limb of a meridional jetstream curving up from a lengthy warm journey over a warmer than usual Tropical Atlantic is pushing a lot of unstable moist air our way. Note the wave clouds in the cloud cover over France caused by a fast northerly jet. Note also the whopping cumulonimbus clouds NW of Spain and Portugal, these thunderstorms might reach UK later today or tomorrow bringing the odd crack of thundery showers to the South of the UK.  Very mobile weather controlled by the jetstream will continue through this week.  Some models are showing a deep LOW pressure autumn storm developing over the weekend and crossing the UK early next week.  One to watch as this could deliver gales and rain… possibly more to the south of the country if models prove correct.  

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