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Monsoon Cloudbursts Kill Hundreds in India and Pakistan's Himalayas

Scientists say a warmer atmosphere is loading the monsoon with moisture, driving more intense, localized downpours.

Residents gather as rescue workers look for victims, following a storm that caused heavy rains and flooding in Dalori Bala village in Gadoon district in Khyber Pakhtunkhwa province, Pakistan, August 19, 2025. REUTERS/Akhtar Soomro
In this aerial picture, volunteers carry aid for residents, after flash floods hit Buner district in northern Pakistan's mountainous Khyber Pakhtunkhwa province on August 18, 2025.
An aerial view shows houses partially submerged in sludge along a riverbed in the aftermath of flash floods at the Buner district of Khyber Pakhtunkhwa province, on August 17, 2025.
A girl sits outside of her family home, which was damaged following heavy rains and flooding in Pacha Kalay Bazar, in Buner district, Pakistan, on August 18, 2025.

Overview

  • Authorities report at least 344 deaths in northern Pakistan and Pakistan-administered Kashmir, with 60 dead and more than 200 missing in Indian-administered Kashmir after sudden floods and landslides.
  • In Pakistan’s Buner district, more than 200 people were killed when roughly 150 mm of rain fell in about an hour, sending torrents through mountain valleys.
  • Cloudbursts—commonly defined as more than 100 mm of rain in one hour over a small area—form when moisture-laden monsoon winds rise into colder mountain air and condense into dense, rain-laden clouds.
  • A World Weather Attribution analysis indicates northern Pakistan’s recent 30‑day maximum rainfall is about 22% more intense due to human-driven warming, heightening the severity of extreme events.
  • Officials stress the exact time and location of cloudbursts cannot be forecast in advance, though expanded radars and new observatories are improving short-term warnings across the Himalayas.