Some iridescence with your clouds? And a photo comparison of our current droughty conditions compared to last April’s green

Yes, we had some yesterday evening in those Altocumulus lenticularis clouds or just “clouds” for most of you.  This delicate “rainbow” coloring in last evening’s clouds is due to the diffraction of light around really small cloud droplets, ones that have just formed, a few microns to 1o microns or so in diameter.  Because the… Continue reading Some iridescence with your clouds? And a photo comparison of our current droughty conditions compared to last April’s green