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Articles on Atmospheric science

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Atmospheric rivers are long filaments of moisture that curve poleward. Several are visible in this satellite image. Bin Guan, NASA/JPL-Caltech and UCLA

Atmospheric rivers are shifting poleward, reshaping global weather patterns

These powerful ‘rivers in the sky’ provide a huge share of annual precipitation in many regions, including California. They can also melt sea ice, with global climate implications.
Satellite data shows Hurricane Milton on Oct. 8, 2024, as it moves across the Gulf of Mexico. NOAA

Hurricane Milton explodes into a powerful Category 5 storm as it heads for Florida − here’s how rapid intensification works

Milton’s fast spin-up in the Gulf of Mexico was one of the most rapid intensifications on record. Two scientists who study hurricanes explain why this happens and what’s changing.
Helene’s heavy rainfall devastated small mountain towns far from the coast, including Marshall, N.C. AP Photo/Jeff Roberson

How Hurricane Helene became a deadly disaster across six states

Helene’s size and speed worsened everything from its storm surge to its extreme flooding in the mountains. And another hurricane was coming right on Helene’s heels.
Hurricane Beryl hit the island of Carriacou, Grenada, on July 1, 2024, with 150 mph sustained winds. NOAA

Hurricane Beryl’s rapid intensification, Category 5 winds so early in a season were alarming: Here’s why more tropical storms are exploding in strength

Beryl’s strength and rapid intensification set records, raising alarms about what’s already expected to be a very active Atlantic hurricane season, as a meteorologist explains.
Fertilizer is a leading source of emissions of nitrous oxide, a planet-warming greenhouse gas. pixdeluxe/E+ via Getty Images

Food has a climate problem: Nitrous oxide emissions are accelerating with growing demand for fertilizer and meat – but there are solutions

The most comprehensive assessment yet of a powerful greenhouse gas shows which countries are driving the increase, and which ones are successfully cutting emissions.

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