GeographyGS3-Environment And Biodiversity

Atmospheric Rivers: What They Are and Why They Matter

Atmospheric rivers are crucial for rainfall but can cause flooding and damage, with climate change intensifying their impact.

April 13, 2025

Key Points

  • 1Atmospheric rivers are narrow bands of moisture and wind that transport water vapor, leading to rainfall.
  • 2They can cause flooding, mudslides, and property damage.
  • 3Atmospheric rivers are typically 402 to 606 km wide and can be more than 1600 km long.
  • 4The Pineapple Express is a well-known atmospheric river.
  • 5Warmer air holds more water vapor, making storms more dangerous.
  • 6A 2018 NASA study revealed that intense atmospheric rivers will be longer and wider due to climate change.

Important Terms

Atmospheric RiverNOAAClimate ChangePineapple ExpressFlooding
UPSC Current Affairs
Last Updated: 7/16/2025