Atmosphere

Hurricane Helene Stirs Up Gulf Coast Waters
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Hurricane Helene Stirs Up Gulf Coast Waters

The heavy rains, high winds, and storm surge that devastated land also left a mark on the ocean.

Published Oct 3, 2024

Image of the Day Atmosphere Water Severe Storms

Ocean Heat for Hurricane Helene
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Ocean Heat for Hurricane Helene

Warm water from the Loop Current helped fuel Helene as the storm approached Florida’s Big Bend region.

Published Sep 26, 2024

Image of the Day Atmosphere Severe Storms

An Uncommonly Strong Atmospheric River
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An Uncommonly Strong Atmospheric River

The storm, which drenched coastal British Columbia and southeastern Alaska, may be among the region’s most intense in the past couple of decades.

Published Sep 26, 2024

Image of the Day Atmosphere Land Water Severe Storms

Spring Snow in Lesotho
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Spring Snow in Lesotho

A late-season storm covered the mountainous country and nearby provinces of South Africa in a blanket of white.

Published Sep 29, 2024

Image of the Day Atmosphere Snow and Ice

Arctic Ozone Hits Record High
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Arctic Ozone Hits Record High

An active atmosphere at northern latitudes contributed to the highest monthly Arctic ozone concentrations measured in the satellite era.

Published Sep 26, 2024

Image of the Day Atmosphere