Image
What causes a bioluminescent display at the surface of the ocean?
This cloud is trapped in a canyon
Image: Jason Mizerek, Fleet Science Center
San Diego's many canyons create some interesting weather-related phenomena. When morning fog rolls in, these low-lying clouds can get trapped in canyons by layers of warmer air. These clouds are sometimes referred to as valley fog.
Resources:
NASA's Earth Observatory: Valley Fog
National Geographic: Fog
PBS California: The Science of Fog
NGSS & Grade
MS-ESS2-5,ESS2.C: The Roles of Water in Earth's Surface Processes,ESS2.D: Weather and Climate
Type
Phenomena
Subject
Earth and Space Science
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