exploration / 2026-10-14

A Hurricane’s Hidden Ripples Reveal Earth’s Connected Atmosphere

NASA’s latest satellite images of Hurricane Simon show waves reaching far above the storm—a striking view of the connection between weather and the edge of space.

Nighttime NOAA-21 satellite image showing curved atmospheric gravity-wave patterns around Hurricane Simon off Mexico on October 11, 2026. — NASA Earth Observatory / Michala Garrison; VIIRS satellite data · Educational and informational editorial use under NASA Media Usage Guidelines; no NASA endorsement implied.

Off Mexico’s Pacific coast, a hurricane left a signature that reached far beyond its swirling clouds. In imagery published by NASA Earth Observatory on October 14, nighttime observations show curved ripples high above Hurricane Simon. They offer an unusual way to explore our planet: by following the movement of a storm upward into the atmosphere.

NASA reports that the NOAA-21 satellite captured these atmospheric gravity waves on October 11. Heat released near a hurricane’s eyewall can power rising air and send waves into higher atmospheric layers. In this observation, their patterns became visible in airglow, the faint light emitted by gases overhead. Limited moonlight helped the instrument detect that subtle signal.

The scene also has a human setting. Simon passed near Mexico as a major hurricane, bringing heavy rain and flooding to coastal areas, according to NASA’s account. These images document conditions on October 11; they should not be used as a current forecast or as evidence that any particular community is now safe.

Airglow is a much broader phenomenon than this one storm. NASA’s explanation of the science describes how atoms and molecules energized by sunlight can release light as they lose energy. Other light-producing processes involve charged particles recombining. Unlike the more familiar aurora, which is associated with energetic particles from the solar wind, airglow is sustained by ordinary solar radiation.

That faint illumination gives scientists a way to investigate a region most of us never see. Its colors can carry information about different gases and heights. Researchers also use it to study temperature, density and movement in the upper atmosphere. NASA describes this boundary region as responding both to weather below and to energy arriving from the Sun; changes there can affect satellite operations and communication or navigation signals.

For a reader studying the featured image, the invitation is simple: look past the hurricane’s bright clouds and follow the arcs beyond them. The image turns an abstract connection into a visible pattern. Earth’s atmosphere extends above the landscapes we know, and careful observation can reveal how events in one layer leave traces in another.

Sources

Original reporting synthesis by The Raines Foundation, based on the sources above.