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  2. Atmospheric optics - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_optics

    The yellow color is due to the presence of pollutants in the smoke. Yellowish clouds caused by the presence of nitrogen dioxide are sometimes seen in urban areas with high air pollution levels. [22] Red, orange and pink clouds occur almost entirely at sunrise and sunset and are the result of the scattering of sunlight by the atmosphere.

  3. Pink lake - Wikipedia

    en.wikipedia.org/wiki/Pink_lake

    A lake in Westgate Park, Melbourne, Australia, was coloured pink in March 2017 [10] and then again in September 2019, but since then and as of January 2022 had taken on a dark green hue. Warmer weather and lower rainfall appears to make it turn pink. [1] As water evaporates, the salinity increases, but salinity is not the only factor at work.

  4. Watermelon snow - Wikipedia

    en.wikipedia.org/wiki/Watermelon_snow

    Severe weather made them finally turn the ships back, but the expedition made valuable contributions to science. Captain John Ross noticed crimson snow that streaked the white cliffs like streams of blood as they were rounding Cape York on the northwest coast of Greenland. A landing party stopped and brought back samples to England.

  5. Cloud iridescence - Wikipedia

    en.wikipedia.org/wiki/Cloud_iridescence

    The colors resemble those seen in soap bubbles and oil on a water surface. It is a type of photometeor. This fairly common phenomenon is most often observed in altocumulus, [1] cirrocumulus, lenticular, [2] and cirrus clouds. [3] [4] [5] They sometimes appear as bands parallel to the edge of the clouds.

  6. Yellow weather warning issued for Hogmanay - AOL

    www.aol.com/news/yellow-weather-warning-issued...

    A yellow weather warning for heavy rain has been issued for nearly all of Scotland on Hogmanay. Forecasters warned the deluge of rain could bring "significant disruption" in the build up to Hogmanay .

  7. Color of water - Wikipedia

    en.wikipedia.org/wiki/Color_of_water

    Water molecules can vibrate in three different modes when they interact with light. The red, orange, and yellow wavelengths of light are absorbed so the remaining light seen is composed of green, cyan, and blue wavelengths. This is the main reason the ocean's color is cyan. The relative contribution of reflected skylight and the light scattered ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Yellow weather warning for more heavy rain issued as UK ... - AOL

    www.aol.com/yellow-weather-warning-more-heavy...

    On Thursday, a yellow warning for the North East – indicating heavy rain could cause some disruption – has been issued for the whole day.