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Theoretical and Applied Climatology

, Volume 138, Issue 3–4, pp 1405–1418 | Cite as

Objective detection of the Kunming quasi-stationary front

  • Di Zhao
  • Ruowen YangEmail author
  • Yun Tao
  • Wei Kang Zhang
  • Xucheng He
Original Paper
  • 46 Downloads

Abstract

ERA-Interim six-hourly reanalysis data supplied by the European Centre for Medium-Range Weather Forecasts were used to examine the applicability of Hewson’s 1998 objective front-plotting method to the recognition of the Kunming quasi-stationary front. The optimum locating variable and masking variables, together with their optimum thresholds, were determined for three typical Kunming quasi-stationary fronts that occurred in January and February 2008. Hewson’s method was more suitable for objectively recognizing the Kunming quasi-stationary front than a subjective method. Thirty Kunming quasi-stationary front events during January–February 2008 were then identified using Hewson’s method. A composite analysis clearly showed the horizontal and vertical structure of the Kunming quasi-stationary front, consistent with the theory. This objective method of recognizing the Kunming quasi-stationary front has advantages in terms of objectivity, practicality, and reliability, and therefore has important potential applications.

Notes

Funding information

This work was financially supported by the National Natural Science Foundation of China (41861144012, 41875103, and U1502233), the program for Innovative Research Team in Science and Technology in University of Yunnan Province, the Science Foundation of Yunnan Province (2018FB081), and the Science and Technology Project of Yunnan Province(2016RA096).

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Atmospheric SciencesYunnan UniversityKunmingChina
  2. 2.Institute of the “Belt and Road” StrategyYunnan UniversityKunmingChina
  3. 3.Meteorological Institute of Yunnan ProvinceKunmingChina
  4. 4.Doumen County Meteorological Bureau of Guangdong ProvinceZhuhaiChina
  5. 5.Department of PhysicsUniversity of HelsinkiHelsinkiFinland

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