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authorGravatar Jonas Gunz <himself@jonasgunz.de> 2023-08-25 12:50:50 +0200
committerGravatar Jonas Gunz <himself@jonasgunz.de> 2023-08-25 12:50:50 +0200
commitb398bb68c6c442f6f23d6caf2854fe00e6834c01 (patch)
tree79afc829594af9603151191956aca2cc2e68797f /xar.py
parentba4f078875c2953e80f134b4e5f2d69ae42b4f51 (diff)
downloadmeteo_toolbox-b398bb68c6c442f6f23d6caf2854fe00e6834c01.tar.gz
move xar
Diffstat (limited to 'xar.py')
-rwxr-xr-xxar.py71
1 files changed, 0 insertions, 71 deletions
diff --git a/xar.py b/xar.py
deleted file mode 100755
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--- a/xar.py
+++ /dev/null
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-#!/usr/bin/env python3
-
-import datetime
-
-import xarray as xr
-from metpy.units import units
-import metpy.calc as mpcalc
-import numpy as np
-
-import skewt
-
-def np_time_convert(dt64):
- unix_epoch = np.datetime64(0, 's')
- one_second = np.timedelta64(1, 's')
- seconds_since_epoch = (dt64 - unix_epoch) / one_second
-
- return datetime.datetime.utcfromtimestamp(seconds_since_epoch)
-
-config = {
- 'source':'dwd_icon-d2/combined.grib2',
- 'plots':[
- {
- 'lat':47.9626,
- 'lon':11.9964,
- 'name':'Antersberg'
- },
- ]
-}
-
-def run(config):
- data = xr.load_dataset(config['source'], engine='cfgrib')
-
- for plot in config['plots']:
- _plot(data, **plot)
-
-def _plot(data, lat, lon, name):
- for_temp = data.sel(latitude=lat, longitude = lon, method='nearest')
- for_temp = for_temp[['r', 't', 'u', 'v']]
-
- for step in for_temp.coords['step']:
- this_step = for_temp.sel(step=step)
-
- p = this_step.coords['isobaricInhPa'].values * units.hPa
- T = this_step.t.values * units.K
- relHum = this_step.r.values * units.percent
- Td = mpcalc.dewpoint_from_relative_humidity(T, relHum)
- u = this_step.u.values * (units.m / units.s)
- v = this_step.v.values * (units.m / units.s)
-
- valid = np_time_convert(step.valid_time.values)
- init = np_time_convert(step.time.values)
-
- valid_str = valid.strftime('%d %b %Y - %HUTC')
- init_str = init.strftime('%d %b %Y - %HUTC')
- hours_since_init_str = str(int(this_step.step.values / np.timedelta64(1,'h'))).zfill(2)
-
- skt = skewt.Skewt(p=p, T=T, Td=Td)
- skt.addWindUV(u, v)
- skt.addInfo(f'{name} INIT+' + hours_since_init_str)
- skt.addInfo(f"VALID: {valid_str}")
- skt.addInfo(f"INIT : {init_str}")
- skt.addInfo(f"LAT {lat} LON {lon}")
- skt.addAnalysis(shade=True, analysis='lcl')
- skt.addInfo("FORECAST DWD ICON-D2")
-
- init_for_filename = init.strftime('%Y-%m-%d-%HUTC')
-
- skt.plot(filename=f'skewt_{name}_{init_for_filename}+{hours_since_init_str}.png')
-
-if __name__ == '__main__':
- run(config)