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Why does rain stay in one area ?

Discodog · 2010-02-21 19:14:36

I just checked the radar prior to the dog walk & there is a lump of rain to the West of Connemara. Clicking on animation it appears that this has grown in intensity but not really moved. What holds showers in one place & why don't they just die out ?.

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21-02-2010 8:14pm

#1

Discodog

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I just checked the radar prior to the dog walk & there is a lump of rain to the West of Connemara. Clicking on animation it appears that this has grown in intensity but not really moved. What holds showers in one place & why don't they just die out ?.

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#2 21-02-2010 8:23pm
Danno

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It is an area of convergence. All winds are blowing in towards the shower keeping a mix of airmasses that feed the shower.

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#3 21-02-2010 8:27pm
Discodog

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I did wonder if that was the cause. I had the same thing last week when a strong sea breeze seemed to be acting against the Northerly wind so showers, showing up on the radar as moving south, slowed down as they got close to the sea.

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