licongren / baroclinic_perturbation_ecmwf

使用各种气象诊断图研究 ECMWF 数据中的气压扰动

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baroclinic_perturbation_ecmwf

Study a baroclinic perturbation in ECMWF data with plots of various meteorological diagnostics

Note 1 : This code was developed for educationnal purposes, and for French students. So the comments in the notebook are in French but the graphics and legends are in English.

Note 2 : If you have any comment/suggestion, if you find this code useful --> please send me an email : mailto:frederic.ferry@meteo.fr

The data needed to run the notebook (MSLP, z, u, v, t, pv, w, q) are NOT provided. They can be downloaded here : https://www.ecmwf.int/en/forecasts/dataset/operational-archive

If you can't find the data ask me and I'll make it available for you.

With the notebook you will be able to compute and plot :

  • Thickness
  • Potential temperature
  • Equivalent Potential temperature (Metpy function)
  • Relative humidity (Metpy function)
  • Geostrophic and agesotrophic winds
  • Divergence
  • Vorticity (relative/absolute)
  • Potential vorticity
  • Temperature advection
  • Differential vorticity advection
  • Interpolation of the isobaric potential vorticity on an isentropic surface (Metpy function)
  • Gostrophic forcing and its convergence/divergence (Q1, Q2, div(Q))
  • Frontogenesis and deformation field

ERA5_ZTadv850_VV600_2014-01-26T00 ERA5_Zvortadv300_850_VV600_2014-01-26T00 PV300_Thetae850_vort925_20140125-T00-20140126-T18 ERA5_Q_2014-01-26T00 ERA5_fronto1_2014-01-26T00

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使用各种气象诊断图研究 ECMWF 数据中的气压扰动


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