Storm-induced roll clouds cover the Pacific Atolls •

Last update: September 23rd, 2020 at 6:00 pm

Today’s Image of the Day comes courtesy of the NASA Earth Observatory and features a roll clouds covering the Pacific Atolls. This photo was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on board the Aqua satellite.

While areas close to the equator are frequently cloudy, these roll clouds are a bit more unique. Their parallel formation was likely caused by Tropical Cyclone Cook. Strong winds from the storm cause turbulence in the air, which creates long rolls of counter-rotating air.

“As far as tropical cyclones go, we believe that they are a nearly ideal environment for roll formation,” said Ralph Foster, atmospheric scientist from the University of Washington.

By Rory Arnold,

Source: NASA Earth Observatory

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