Heat

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 — Mar 2025

Heat

Land Surface Temperature
Global Maps

Land Surface Temperature

Land surface temperatures rise and fall with the heat of the Sun, and they represent how hot or cold the surface would feel to touch. These maps show daytime land temperatures as measured from space.

Feb 2000 — Mar 2025

Heat Land

Land Surface Temperature Anomaly
Global Maps

Land Surface Temperature Anomaly

These maps depict anomalies in land surface temperatures (LSTs); that is, how much hotter or cooler a region was compared to the long-term average. LST anomalies can indicate heat waves or cold spells.

Feb 2000 — Mar 2025

Heat Land

What Was Behind Idalia’s Rapid Intensification?
Image

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