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Weather on Mount Everest during the 2019 summer monsoon

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journal contribution
posted on 20.04.2021, 10:17 by Arbindra Khadka, Tom Matthews, L Baker Perry, Inka Koch, Patrick Wagnon, Dibas Shrestha, Tenzing C Sherpa, Deepak Aryal, Alex Tait, Tenzing G Sherpa, Subash Tuladhar, Saraju K Baidya, Sandra Elvin, Aurora C Elmore, Ananta Gajurel, Paul A Mayewski
Records from new high altitude weather stations reveal the meteorological conditions on Mt Everest during the 2019 monsoon. Using data from June-October, we show that the temperature, humidity, and winds announce the arrival of the monsoon, with changes that amplify with elevation. The largest change is therefore at the summit, where we estimate that monthly mean air temperature increased by 5.5 °C between June and July to average -19.1 °C over the monsoon. Such warming takes temperatures into the realm of winter conditions on much lower mountains of the mid-latitudes, illustrated with the well-known Mount Washington observatory (1,916 m; New Hampshire, USA). Although other dangers of climbing Everest may be enhanced during the monsoon, the cold induced hazard is much reduced.

History

School

  • Social Sciences and Humanities

Department

  • Geography and Environment

Published in

Weather

Publisher

Wiley

Version

VoR (Version of Record)

Rights holder

© The Authors

Publisher statement

This is an Open Access Article. It is published by Wiley under the Creative Commons Attribution 4.0 International Licence (CC BY 4.0). Full details of this licence are available at: https://creativecommons.org/licenses/by/4.0/

Acceptance date

12/01/2021

Publication date

2021-03-17

Copyright date

2021

ISSN

0043-1656

eISSN

1477-8696

Language

en

Depositor

Dr Tom Matthews. Deposit date: 15 January 2021

Licence

Exports

Read the paper on the publisher website

Loughborough Publications

Licence

Exports