diff options
Diffstat (limited to 'xar.py')
| -rwxr-xr-x | xar.py | 31 |
1 files changed, 28 insertions, 3 deletions
@@ -4,8 +4,19 @@ import xarray as xr from metpy.units import units import metpy.calc as mpcalc +import numpy as np + +import datetime + 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) + #grib = pygrib.open('dwd_icon-d2/combined.grib2') data = xr.load_dataset('dwd_icon-d2/combined.grib2', engine='cfgrib') @@ -26,9 +37,23 @@ for step in for_temp.coords['step']: 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("TEST") - skt.plot(filename=f'skewt.png') + skt.addInfo(f"VALID: {valid_str}") + skt.addInfo(f"INIT : {init_str}") + skt.addInfo(f"LAT {lat} LON {lon}") + skt.addInfo('INIT+' + hours_since_init_str) + skt.addInfo(f'') + skt.addAnalysis(shade=True, analysis='lcl') + skt.addInfo("DWD ICON-D2") + + init_for_filename = init.strftime('%Y-%m-%d-%H') - break + skt.plot(filename=f'skewt_{init_for_filename}+{hours_since_init_str}.png') |