Undulatus Asperatus

img00136aundulatus_asperatusasperatus-2My morning trivia question was what type of cloud is shown in the picture. These clouds are super cool and somewhat rare to see. Undulatus asperatus is a newly recognized cloud formation that was proposed in 2009 to the International Cloud Atlas of the World Meteorological Organization. Undulatus Asperatus is Latin that translates to roughened or agitated waves.
These clouds have been seen all over the globe and are mostly related to undulates clouds. The ominous storm-like clouds are common in the Plains states and are often seen during the morning or midday hours just after thunderstorm activity. As of June 2009, the Royal Meteorological Society is still trying to figure out what type of weather patterns help make this type of cloud.

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Posted under weather

This post was written by qni_it on June 8, 2010

4 Comments so far

  1. RIOnDAWNinCandlewick June 8, 2010 10:20 PM

    Thank you for that info Cyndi we sent in some pictures taken Sunday morning right near the Walmart in Belvidere on i90. We were wondering what these were called

  2. WI Weather Buff June 8, 2010 10:35 PM

    What is the difference between this new cloud type and mammatus (sp?) clouds, which I think look a lot like these?

  3. Kornel September 22, 2010 3:17 PM

    Hi! I would like to request permission to use one of these photo’s in an artice.
    Thank you in advance, Kornel

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