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Weather on Mount Everest during the 2019 summer monsoon

journal contribution
posted on 18.01.2021, 14:02 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

AM (Accepted Manuscript)

Publisher statement

This is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

Acceptance date

15/01/2021

ISSN

0043-1656

eISSN

1477-8696

Language

en

Depositor

Dr Tom Matthews. Deposit date: 15 January 2021

Exports

Loughborough Publications

Exports