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What Was Behind Idalia’s Rapid Intensification?
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What Was Behind Idalia’s Rapid Intensification?

A new analysis suggests that a large freshwater plume in the hurricane’s path helped fuel its extraordinary growth.

Published Mar 10, 2025

Image of the Day Heat Water

Summer Heat Wave in South America
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Summer Heat Wave in South America

February 2025 was a scorcher, with record temperatures in parts of Brazil and notable heat in Argentina.

Published Feb 28, 2025

Image of the Day Heat Drought Fires Floods Severe Storms Temperature Extremes

Cyclone Flurry in the Southern Hemisphere
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Cyclone Flurry in the Southern Hemisphere

An unusual number of tropical storms churned across the planet’s southern oceans simultaneously in February 2025.

Published Feb 27, 2025

Image of the Day Atmosphere Heat Water Drought Fires Floods Severe Storms Temperature Extremes

Sea Surface Temperature
Global Maps

Sea Surface Temperature

Ocean temperatures can influence weather, such as hurricane formation, and climate patterns, such as El Niño. These maps show the temperature at the surface of the world’s seas and oceans.

Jul 2002 — Jan 2025

Heat Water

Net Radiation
Global Maps

Net Radiation

Net radiation is the balance between incoming and outgoing energy at the top of the atmosphere. It is the total energy available to influence climate after light and heat are reflected, absorbed, or emitted by clouds and land.

Jul 2006 — Jan 2025

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