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... > Science Keywords > EARTH SCIENCE > ATMOSPHERE > CLOUDS > TROPOSPHERIC/MID-LEVEL CLOUDS (OBSERVED/ANALYZED) > ALTOSTRATUS > ALTOSTRATUS UNDULATUS

Preferred term

ALTOSTRATUS UNDULATUS  

Definition

  • (Also called billow cloud, windrow cloud, wave cloud.) A cloud variety composed of merged or separate elements that are elongated and parallel, either suggestive of ocean waves or arranged in ranks and files. Sometimes two distinct wave systems are apparent (biundulatus). The formation is by gravity waves that exhibit broad, nearly parallel lines of cloud oriented normal to the wind direction, with cloud bases near an inversion surface. (en)

Broader concept

Change note

  • 2013-02-14 08:49:46.0 [mpmorahan] Insert Concept add broader relation (ALTOSTRATUS UNDULATUS [4da38a31-aac6-4080-96b0-c8ee2cb33158,82189] - ALTOSTRATUS [f58d0203-0070-422c-ab52-6ca8ffbb6362,82187]);
  • 2013-03-20 17:05:17.0 [mpmorahan] insert Definition (id: null text: (Also called billow cloud, windrow cloud, wave cloud.) A cloud variety composed of merged or separate elements that are elongated and parallel, either suggestive of ocean waves or arranged in ranks and files. Sometimes two distinct wave systems are apparent (biundulatus). The formation is by gravity waves that exhibit broad, nearly parallel lines of cloud oriented normal to the wind direction, with cloud bases near an inversion surface. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/4da38a31-aac6-4080-96b0-c8ee2cb33158

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