Senin, 18 Oktober 2010

Major Change to Stormy Conditions Ahead

Major Change to Stormy Conditions Ahead - Hi, friend Climate and Weather Information, in this article entitled Major Change to Stormy Conditions Ahead, we have prepared this article well and concise to be easy to understand for you to read and can be taken inside information. hopefully the contents of the post that we write this you can understand and useful. okay, happy reading.

I generally like to wait until I am sure about things before advertising a major change and now I am. The models are all going for a major shift to stormy and wet weather this weekend.

But don't worry...we have a few more days of sun and warmth ahead!

Three days--with sunny afternoons, highs in the lower 60s, and dry...but with fog in the morning. Yes, it is fog season and you get the fog because of the clear skies (clear skies allow radiational cooling to space).

The source of our beautiful weather....a high amplitude ridge of high pressure over us (see the examples for tomorrow and Wednesday below). But then something is going to happen...and you can see a sign of it in the second upper air chart...a trough will be moving in later in the week and in force over the weekend.


In contrast, here is the upper level chart for 11 PM on Friday. No more ridge. A strong trough offshore and a very strong jet stream heading right towards us in the Pacific (note the winds are parallel to the lines and the greater the number of lines, the stronger the winds).


And here is the 24- precipitation ending 5 AM on Saturday. Wet!

On Saturday there will be showers and then another system on Sunday! And lots of winds over the eastern Pacific. More later...



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