When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. Atmospheric circulation - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_circulation

    The Earth's weather is a consequence of its illumination by the Sun and the laws of thermodynamics. The atmospheric circulation can be viewed as a heat engine driven by the Sun's energy and whose energy sink , ultimately, is the blackness of space.

  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. Sprite (lightning) - Wikipedia

    en.wikipedia.org/wiki/Sprite_(lightning)

    Column sprite (C-sprite) – large-scale electrical discharges above the earth that are still not totally understood. Carrot sprite – a column sprite with long tendrils. Sprites are colored reddish-orange [5] in their upper regions, with bluish hanging tendrils below, and can be preceded by a reddish halo.

  6. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    In practice, color temperature is most meaningful for light sources that correspond somewhat closely to the color of some black body, i.e., light in a range going from red to orange to yellow to white to bluish white. Although the concept of correlated color temperature extends the definition to any visible light, the color temperature of a ...

  7. 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 .

  8. Mild weather, ice thickness lead to changes ahead of ... - AOL

    www.aol.com/mild-weather-ice-thickness-lead...

    Because of the mild weather and current ice thickness on East Side Lake, the annual Plunging for Pink is making some changes to how it operates this year. According to Daneka Wiechmann, PTTP ...

  9. Red rain in Kerala - Wikipedia

    en.wikipedia.org/wiki/Red_rain_in_Kerala

    Rain water sample (left) and after the particles settled (right). Dried sediment (centre) The Kerala red rain phenomenon was a blood rain event that occurred in Wayanad district of southern Indian state Kerala on Monday, 15 July 1957 and the colour subsequently turned yellow [1] and also 25 July to 23 September 2001, when heavy downpours of red-coloured rain fell sporadically in Kerala ...