Images related to Joanne Simpson, 1923-2010

Cloudy Earth
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Cloudy Earth

Data collected by a sensor on the Aqua satellite reveals the global distribution of clouds.

Published May 8, 2015

Image of the Day Atmosphere

Clouds ‘Roll’ Over Pacific Atolls
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Clouds ‘Roll’ Over Pacific Atolls

Parallel “roll clouds” over the Pacific Ocean were likely influenced by the development of Tropical Cyclone Cook.

Published Apr 15, 2017

Image of the Day

Storms Come in Many Forms
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Storms Come in Many Forms

There are lots of ways to categorize storms, but research meteorologists have a simple way of dividing them: thunderstorms, tropical cyclones, and extra-tropical cyclones.

Published Mar 7, 2013

Image of the Day Atmosphere

Another Lively Season of Night-Shining Clouds
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Another Lively Season of Night-Shining Clouds

Extremely cold and wet conditions in the mesosphere have led to abundant noctilucent clouds.

Published Jul 9, 2020

Image of the Day Atmosphere Remote Sensing

Wave Clouds Near Amsterdam Island
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Wave Clouds Near Amsterdam Island

The island itself is almost too small see in this image, but it serves as the starting point for the clouds that flow toward the northeast in a giant V shape. Amsterdam Island is a volcanic summit, the northernmost volcano on the Antarctic tectonic plate.

Published Dec 30, 2005

Image of the Day Atmosphere

Tropical Storm Arlene
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Tropical Storm Arlene

Published Jun 10, 2005

Severe Storms

Open- and Closed-Cells over the Pacific
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Open- and Closed-Cells over the Pacific

Whether a patch of clouds contains open or closed cells offers a clue about whether rain is falling below.

Published Feb 6, 2016

Image of the Day Atmosphere

Hole Punch Clouds over West Virginia
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Hole Punch Clouds over West Virginia

Cold winter conditions set the stage for these unusual clouds that can form due to airplane traffic.

Published Dec 28, 2010

Image of the Day Atmosphere

Raised by Fire, Felled by Ice
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Raised by Fire, Felled by Ice

Events on Earth’s surface can affect the development and shape of clouds in the sky.

Published Jan 3, 2017

Image of the Day Heat Land Water Snow and Ice Remote Sensing

Portholes Through the Clouds
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Portholes Through the Clouds

Patches of open-celled clouds off the west coast of Peru offer beautiful glimpses of the sea—and pointers to where rain may have fallen.

Published Aug 7, 2018

Image of the Day Atmosphere Water

O, What a Cloud
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O, What a Cloud

An open-celled cloud over the Pacific Ocean had a shape reminiscent of a certain circular letter of the alphabet.

Published Sep 27, 2014

Image of the Day Atmosphere Water

Tropical Cyclone Inigo
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Tropical Cyclone Inigo

Published Apr 8, 2003

Severe Storms