# Calculate temperature advection at lower and upper level for differential thermal advection term later
# Calculate absolute vorticity advection at middle level
# Need to wrap the tendency array
geoph_tend, lons = um.addcyclic(geoph_tend, lonin)
# Convert temperature to degrees Celsius
var_lower = var_lower - 273.15
var_upper = var_upper - 273.15
elif diagnostic == 2: # traditional omega
# Temperature at 700 hPa
var_mid = temp_mid
# Vertical relative and absolute voriticity
var_lower = wm.vertical_vorticity_latlon(uin_lower, vin_lower, lats, lons,
1)
var_upper = wm.vertical_vorticity_latlon(uin_upper, vin_upper, lats, lons,
1)
# for differential vorticity advection
var_adv_lower = wm.hadvection_latlon(uin_lower, vin_lower, var_lower, lats,
lons)
var_adv_upper = wm.hadvection_latlon(uin_upper, vin_upper, var_upper, lats,
lons)
# temperature advection level middle level
var_adv_mid = wm.hadvection_latlon(uin_mid, vin_mid, temp_mid, lats, lons)
# convert temperature to celsius
var_mid = var_mid - 273.15
ghgtin1 = f.variables['HGT_P0_L100_GLL0'][levelindex1,::-1,:].squeeze() ghgtin2 = f.variables['HGT_P0_L100_GLL0'][levelindex2,::-1,:].squeeze() # Omega omegain = f.variables['VVEL_P0_L100_GLL0'][levelindex3,::-1,:].squeeze() # Close netcdf file f.close # Convert wind to geostrophic wind if compute_geostrophic_wind == 'true' : uin1,vin1 = wm.geostrophic_latlon(uin1, vin1, ghgtin1, lats, lons) uin2,vin2 = wm.geostrophic_latlon(uin2, vin2, ghgtin2, lats, lons) # Compute vertical voriticity zeta_a1 = wm.vertical_vorticity_latlon(uin1, vin1, lats, lons, 1) zeta_a2 = wm.vertical_vorticity_latlon(uin2, vin2, lats, lons, 1) # Make all fields to be plotted cyclic lonin = lons u_plot1, lons = um.addcyclic(uin1, lonin) v_plot1, lons = um.addcyclic(vin1, lonin) u_plot2, lons = um.addcyclic(uin2, lonin) v_plot2, lons = um.addcyclic(vin2, lonin) zeta_a1, lons = um.addcyclic(zeta_a1, lonin) zeta_a2, lons = um.addcyclic(zeta_a2, lonin) omegain, lons = um.addcyclic(omegain, lonin) # For the title levelh1 = levels_x1[0] / 100 # Convert level to hPa for title levelh2 = levels_x1[1] / 100 # Convert level to hPa for title
# Calculate absolute vorticity advection at middle level # Need to wrap the tendency array geoph_tend, lons = um.addcyclic(geoph_tend, lonin) # Convert temperature to degrees Celsius var_lower = var_lower - 273.15 var_upper = var_upper - 273.15 elif diagnostic == 2: # traditional omega # Temperature at 700 hPa var_mid = temp_mid # Vertical relative and absolute voriticity var_lower = wm.vertical_vorticity_latlon(uin_lower, vin_lower, lats, lons, 1) var_upper = wm.vertical_vorticity_latlon(uin_upper, vin_upper, lats, lons, 1) # for differential vorticity advection var_adv_lower = wm.hadvection_latlon(uin_lower, vin_lower, var_lower, lats, lons) var_adv_upper = wm.hadvection_latlon(uin_upper, vin_upper, var_upper, lats, lons) # temperature advection level middle level var_adv_mid = wm.hadvection_latlon(uin_mid, vin_mid, temp_mid, lats, lons) # convert temperature to celsius var_mid = var_mid - 273.15 else: var_lower = wm.vertical_vorticity_latlon(uin_lower, vin_lower, lats, lons, 1)