Sunday, April 09, 2006

april 8 2006 weather

the first cumulus forming and dissolving around 7:00 am looking east

looking northwards from my kitchen window

looking east convection started at about 7:00 am

the smoke shows the surface wind direction and strength at about 8:15 am - weak, variable and southerly (this and previosus snaps with handicam zoom)

panorama loking east of "fair weather cumulus at about 12:00pm midday
I find it very difficult to get the join up exact with the sun in my eyes

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the same day at 1745 - what glider pilots call "over development" cutting off sunlight and convection

the faint rainbow shows the april shower

retreating eastwards Cumulonimbus Incus
which has a characteristic anvil-top INCUS shape
the flattening caused by an inversion
(layer of slightly warmer air stopping convection)

nimbus means rain
cumulus means heaped up - "cauliflower" shape was my childish description of them

Cumulonimbus mammatus at sunset to be posted later A look at cloud names


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