Fallstreak holes

Fallstreak holes

Fallstreak holes are large circular gaps that can appear in cirrocumulus or altocumulus clouds. The holes are formed when the water temperature in the clouds is below freezing but the water has not frozen yet. Due to not completely understood processes this water will remain in a liquid state almost indefinitely. When a portion of the water does start to freeze it will set off a domino effect causing the water vapor around it to freeze and fall to the earth as well. This leaves large circular holes in the cloud. [ [http://www.cloudappreciationsociety.org/74/ The cloud appreciation society] ]

References


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • List of cloud types — Clouds are formed in Earth s atmosphere when water evaporates into vapor from oceans, lakes, and ponds or by evapotranspiration over moist areas of Earth s land surface. The vapor rises up into colder areas of the atmosphere due to convective,… …   Wikipedia

  • Fall streaks — falling ice crystals that sublimate before reaching the ground.ee also* Virga * Fallstreak holesExternal links* [http://www.nsdl.arm.gov/Library/glossary.shtml#fall streaks National Science Digital Library Fall streaks] * See [http://asd www.larc …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”