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Altocumulus Clouds

Photos copyrighted by Cloud Chart, Inc., used by permission.

ALTOCUMULUS Perlucidus

  • Water and ice clouds.
  • Some precipitation possible within 15 to 20 hours if wind steady from NE to S.
  • Other winds could bring overcast sky.

ALTOCUMULUS Udulatus

  • Precipitation possible within 15 to 20 hours if wind is steady from NE to S.
  • Other winds bring overcast sky.
  • Mostly threatens precipitation.

ALTOCUMULUS Translucidus

  • Water and ice clouds.
  • Some precipitation possible within 15 to 20 hours if wind is steady NE to S.
  • Other winds could bring overcast sky.

ALTOCUMULUS and CIRRUS at Sunset

  • Middle water and ice clouds with brilliant white background.
  • Precipitation possible within 20 to 24 hours if winds are from NE E to S.