def mapDomains(includePMSL=False):
"""Creates a map of the outer domain, showing
the location of the inner domains.
If includePMSL is True contours of sea level pressure is
plotted as well (if a WPS-file is found)
"""
nc1 = openWRF(1)
nc2 = openWRF(2)
nc3 = openWRF(3)
nc4 = openWRF(4)
m = _getMapForNC(nc1)
if includePMSL:
met1 = openWPS(1)
if met1 is not None:
PMSL = met1.variables["PMSL"][0]
_Nx1, _Ny1, _Nz1, longitude1, latitude1, _dx, _dy, _x, _y = getDimensions(nc1)
x, y = m(longitude1, latitude1)
cs = plt.contour(x, y, PMSL / 100.0, pmsl_int, colors="black")
plt.clabel(cs, inline=1, fmt="%1.0f", fontsize=11)
else:
print "Could not find wps-file, PMSL not plotted"
if nc2 is not None:
_plotBorder(nc2, m)
if nc3 is not None:
_plotBorder(nc3, m)
if nc4 is not None:
_plotBorder(nc4, m)
plt.show()
plt.close()
def mapWind(nest, time):
"""Creates a map of the domain, showing
wind barbs for the given time
"""
nc = openWRF(nest)
nc1 = openWRF(nest + 1)
Nx, Ny, _Nz, longitude, latitude, _dx, _dy, _x, _y = getDimensions(nc)
m = _getMapForNC(nc, False, _getDL(nest), 100)
_makeDots(m)
u10 = nc.variables["U10"][time, :, :]
v10 = nc.variables["V10"][time, :, :]
# Use data from every 10th grid point
windx = 1 + Nx / 10
windy = 1 + Ny / 10
lat10 = np.zeros((windy, windx))
lon10 = np.zeros((windy, windx))
uwind = np.zeros((windy, windx))
vwind = np.zeros((windy, windx))
for j in range(windy):
for i in range(windx):
uwind[j, i] = 0.5 * (u10[j * 10, i * 10] + u10[j * 10, i * 10 + 1])
# print 'u: ' + str(uwind[j,i])
vwind[j, i] = 0.5 * (v10[j * 10, i * 10] + v10[j * 10 + 1, i * 10])
# print 'v: ' + str(vwind[j,i])
lat10[j, i] = latitude[j * 10, i * 10]
lon10[j, i] = longitude[j * 10, i * 10]
x10, y10 = m(lon10, lat10)
plt.barbs(x10, y10, uwind, vwind, barb_increments=barb_increments, linewidth=1.0, color="green")
if nc1 is not None:
_plotBorder(nc1, m, "black")
plt.show()
plt.close()
def mapTerrain(nest, includePMSL=False, includeTemp=False):
"""Creates a map of the domain, showing
filled contours of the terrain
"""
nc = openWRF(nest)
met = openWPS(nest)
nc1 = openWRF(nest + 1)
_Nx, _Ny, _Nz, longitude, latitude, _dx, _dy, _x, _y = getDimensions(nc)
m = _getMapForNC(nc, False, _getDL(nest), 100)
x, y = m(longitude, latitude)
_makeDots(m)
if includeTemp and met is not None:
ST = met.variables["TT"][0][0, :, :]
cs = plt.contour(x, y, ST - T_zero, arange(-48, 50, 2.0), colors="blue", linestyles="solid")
plt.clabel(cs, inline=1, fmt="%1.0f", fontsize=12)
if includePMSL and met is not None:
levels = arange(960.0, 1040.0, 1.0)
PMSL = met.variables["PMSL"][0]
cs = plt.contour(x, y, PMSL / 100.0, levels, colors="black", label="Pressure")
plt.clabel(cs, inline=1, fmt="%1.0f", fontsize=11)
heightground = (nc.variables["PH"][0][0, :, :] + nc.variables["PHB"][0][0, :, :]) / g
plt.contourf(x, y, heightground, levels=arange(0, max_h, 100), cmap=cmap_grey, extend="max")
plt.colorbar()
if nc1 is not None:
_plotBorder(nc1, m, "black")
plt.show()
plt.close()
def mapTerrain(nest,includePMSL=False,includeTemp=False):
"""Creates a map of the domain, showing
filled contours of the terrain
"""
nc = openWRF(nest)
met = openWPS(nest)
nc1 = openWRF(nest+1)
_Nx,_Ny,_Nz,longitude,latitude,_dx,_dy,_x,_y = getDimensions(nc)
m = _getMapForNC(nc,False,_getDL(nest),100)
x, y = m(longitude,latitude)
_makeDots(m)
if (includeTemp and met is not None):
ST = met.variables['TT'][0][0,:,:]
cs = plt.contour(x,y, ST-T_zero,arange(-48,50,2.),colors='blue',linestyles='solid')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12)
if (includePMSL and met is not None):
levels = arange(960.,1040.,1.)
PMSL = met.variables['PMSL'][0]
cs = plt.contour(x,y, PMSL/100.,levels,colors='black',label='Pressure')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=11)
heightground = (nc.variables['PH'][0][0,:,:] + nc.variables['PHB'][0][0,:,:])/g
plt.contourf(x, y, heightground, levels=arange(0,max_h,100),cmap=cmap_grey,extend='max')
plt.colorbar()
if (nc1 is not None):
_plotBorder(nc1,m,'black')
plt.show()
plt.close()
def mapDomains(includePMSL=False):
"""Creates a map of the outer domain, showing
the location of the inner domains.
If includePMSL is True contours of sea level pressure is
plotted as well (if a WPS-file is found)
"""
nc1 = openWRF(1)
nc2 = openWRF(2)
nc3 = openWRF(3)
nc4 = openWRF(4)
m = _getMapForNC(nc1)
if includePMSL:
met1 = openWPS(1)
if met1 is not None:
PMSL = met1.variables['PMSL'][0]
_Nx1, _Ny1, _Nz1, longitude1, latitude1, _dx, _dy, _x, _y = getDimensions(
nc1)
x, y = m(longitude1, latitude1)
cs = plt.contour(x, y, PMSL / 100., pmsl_int, colors='black')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=11)
else:
print 'Could not find wps-file, PMSL not plotted'
if (nc2 is not None):
_plotBorder(nc2, m)
if (nc3 is not None):
_plotBorder(nc3, m)
if (nc4 is not None):
_plotBorder(nc4, m)
plt.show()
plt.close()
def mapCloud(nest, time):
"""Creates a map of the domain, showing
filled contours of the cloud water
"""
nc = openWRF(nest)
_Nx, _Ny, _Nz, longitude, latitude, _dx, _dy, _x, _y = getDimensions(nc)
m = _getMapForNC(nc, False, _getDL(nest), 100)
x, y = m(longitude, latitude)
qcloud = 1000.0 * np.sum(nc.variables["QCLOUD"][time, :, :, :], axis=0)
plt.contourf(x, y, qcloud, cmap=cmap_red)
plt.colorbar()
plt.show()
plt.close()
def mapCloud(nest, time):
"""Creates a map of the domain, showing
filled contours of the cloud water
"""
nc = openWRF(nest)
_Nx, _Ny, _Nz, longitude, latitude, _dx, _dy, _x, _y = getDimensions(nc)
m = _getMapForNC(nc, False, _getDL(nest), 100)
x, y = m(longitude, latitude)
qcloud = 1000.0 * np.sum(nc.variables['QCLOUD'][time, :, :, :], axis=0)
plt.contourf(x, y, qcloud, cmap=cmap_red)
plt.colorbar()
plt.show()
plt.close()
def mapTerrain(nest, includePMSL=False, includeTemp=False):
"""Creates a map of the domain, showing
filled contours of the terrain
"""
nc = openWRF(nest)
met = openWPS(nest)
nc1 = openWRF(nest + 1)
_Nx, _Ny, _Nz, longitude, latitude, _dx, _dy, _x, _y = getDimensions(nc)
m = _getMapForNC(nc, False, _getDL(nest), 100)
x, y = m(longitude, latitude)
_makeDots(m)
if (includeTemp and met is not None):
ST = met.variables['TT'][0][0, :, :]
cs = plt.contour(x,
y,
ST - T_zero,
arange(-48, 50, 2.),
colors='blue',
linestyles='solid')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12)
if (includePMSL and met is not None):
levels = arange(960., 1040., 1.)
PMSL = met.variables['PMSL'][0]
cs = plt.contour(x,
y,
PMSL / 100.,
levels,
colors='black',
label='Pressure')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=11)
heightground = (nc.variables['PH'][0][0, :, :] +
nc.variables['PHB'][0][0, :, :]) / g
plt.contourf(x,
y,
heightground,
levels=arange(0, max_h, 100),
cmap=cmap_grey,
extend='max')
plt.colorbar()
if (nc1 is not None):
_plotBorder(nc1, m, 'black')
plt.show()
plt.close()
def xzCloudPlot(nest,time,plotTemp=True,plotRH=False):
nc = openWRF(nest)
Nx,Ny,Nz,longitude,_lats,_dx,_dy,x_nr,y_nr = getDimensions(nc)
heightground_x,heighthalf_xz = _getHeight(nc, time, Nx, -1, Nz, -1, y_nr)
print 'Model height: ' + str(heightground_x[x_nr])
theta = nc.variables['T'][time,:,y_nr,:] + T_base
P = nc.variables['P'][time,:,y_nr,:] + nc.variables['PB'][time,:,y_nr,:]
T = theta*(P/P_bot)**kappa # Temperatur i halvflatene (Kelvin)
rho = P/(R*T) #[kg/m3]
qcloud_xz = 1000.0*nc.variables['QCLOUD'][time,:,y_nr,:]*rho # regner om til g/m3
qrain_xz = 1000.0*nc.variables['QRAIN'][time,:,y_nr,:]*rho
qsnow_xz = 1000.0*nc.variables['QSNOW'][time,:,y_nr,:]*rho
plt.figure()
plt.set_cmap(cmap_red)
plt.axis([0,Nx-1,0.0,z_max])
print u'Cloud water red, snow blue, rain green ($g/m^3$)'
grid = np.reshape(np.tile(arange(Nx),Nz),(Nz,-1))
plt.contourf(grid, heighthalf_xz, qcloud_xz, alpha=0.9,levels=xz_cloudwater_levels, cmap=cmap_red)#
plt.colorbar()
plt.contourf(grid, heighthalf_xz, qrain_xz, alpha=0.6,levels=xz_rain_levels, cmap=cmap_green)#
plt.colorbar()
plt.contourf(grid, heighthalf_xz, qsnow_xz, alpha=0.6,levels=xz_snow_levels,cmap=cmap_blue)#
plt.colorbar()
if plotTemp:
temp_int = arange(-80.0,50.0,2.0)
cs = plt.contour(grid, heighthalf_xz, T-T_zero, temp_int,colors='black',linestyles='solid')#linewidths=4
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12,colors='black')
if plotRH:
rh = _getRH(nc,time,-1,y_nr,T,P)
rh_int = arange(90.,111.,5.)
cs = plt.contour(grid, heighthalf_xz,rh , rh_int, colors='grey')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12, colors='grey')
plt.plot(arange(Nx),heightground_x,color='black')
plt.fill_between(arange(Nx),heightground_x,0,facecolor='lightgrey')
plt.xticks(np.arange(0,Nx,8),np.round(longitude[Ny/2,::8], 1), fontsize='small')
plt.yticks(np.arange(0,z_max,dz), fontsize='small')
plt.xlabel('Lengdegrad')
plt.ylabel(u'Høyde [m]')
plt.show()
plt.close()
def skewTPlot(nest, time):
"""
This is the method to use from the outside
nest: The nesting level of the nc-file from WRF
time: The time for which to plot
"""
nc = openWRF(nest)
_Nx, _Ny, _Nz, _longs, _lats, _dx, _dy, x, y = getDimensions(nc)
plt.figure()
_isotherms()
_isobars()
_dry_adiabats()
_moist_adiabats()
P = nc.variables['P'][time, :, y, x] + nc.variables['PB'][time, :, y, x]
_windbarbs(nc, time, y, x, P)
_temperature(nc, time, y, x, P)
_dewpoint(nc, time, y, x, P)
plt.axis([-40, 50, P_b, P_t])
plt.xlabel('Temperatur ($^{\circ}\! C$) ved 1000hPa')
xticks = np.arange(-40, 51, 5)
plt.xticks(xticks,
['' if tick % 10 != 0 else str(tick) for tick in xticks])
plt.ylabel('Trykk (hPa)')
yticks = np.arange(P_bot, P_t - 1, -10**4)
plt.yticks(yticks, yticks / 100)
sfcT = nc.variables['T2'][time, y, x] - T_zero
sfcP = nc.variables['PSFC'][time, y, x]
sfcW = nc.variables['Q2'][time, y, x]
sfcTd = td(e(sfcW, sfcP))
plt.suptitle('Bakketemp: %4.1f$^{\circ}\! C$ Duggpunkt: %3.1f$^{\circ}\! C$ Trykk: %5.1f hPa' % (sfcT,sfcTd,0.01*sfcP), \
fontsize=10, x = 0.5, y = 0.03)
plt.show()
plt.close()
def mapWind(nest, time):
"""Creates a map of the domain, showing
wind barbs for the given time
"""
nc = openWRF(nest)
nc1 = openWRF(nest + 1)
Nx, Ny, _Nz, longitude, latitude, _dx, _dy, _x, _y = getDimensions(nc)
m = _getMapForNC(nc, False, _getDL(nest), 100)
_makeDots(m)
u10 = nc.variables['U10'][time, :, :]
v10 = nc.variables['V10'][time, :, :]
# Use data from every 10th grid point
windx = 1 + Nx / 10
windy = 1 + Ny / 10
lat10 = np.zeros((windy, windx))
lon10 = np.zeros((windy, windx))
uwind = np.zeros((windy, windx))
vwind = np.zeros((windy, windx))
for j in range(windy):
for i in range(windx):
uwind[j, i] = 0.5 * (u10[j * 10, i * 10] + u10[j * 10, i * 10 + 1])
#print 'u: ' + str(uwind[j,i])
vwind[j, i] = 0.5 * (v10[j * 10, i * 10] + v10[j * 10 + 1, i * 10])
#print 'v: ' + str(vwind[j,i])
lat10[j, i] = latitude[j * 10, i * 10]
lon10[j, i] = longitude[j * 10, i * 10]
x10, y10 = m(lon10, lat10)
plt.barbs(x10,
y10,
uwind,
vwind,
barb_increments=barb_increments,
linewidth=1.0,
color='green')
if (nc1 is not None):
_plotBorder(nc1, m, 'black')
plt.show()
plt.close()
def skewTPlot(nest,time):
"""
This is the method to use from the outside
nest: The nesting level of the nc-file from WRF
time: The time for which to plot
"""
nc = openWRF(nest)
_Nx,_Ny,_Nz,_longs,_lats,_dx,_dy,x,y = getDimensions(nc)
plt.figure()
_isotherms()
_isobars()
_dry_adiabats()
_moist_adiabats()
P = nc.variables['P'][time,:,y,x] + nc.variables['PB'][time,:,y,x]
_windbarbs(nc,time,y,x,P)
_temperature(nc,time,y,x,P)
_dewpoint(nc,time,y,x,P)
plt.axis([-40,50,P_b,P_t])
plt.xlabel('Temperatur ($^{\circ}\! C$) ved 1000hPa')
xticks = np.arange(-40,51,5)
plt.xticks(xticks,['' if tick%10!=0 else str(tick) for tick in xticks])
plt.ylabel('Trykk (hPa)')
yticks = np.arange(P_bot,P_t-1,-10**4)
plt.yticks(yticks,yticks/100)
sfcT = nc.variables['T2'][time,y,x]-T_zero
sfcP = nc.variables['PSFC'][time,y,x]
sfcW = nc.variables['Q2'][time,y,x]
sfcTd = td(e(sfcW,sfcP))
plt.suptitle('Bakketemp: %4.1f$^{\circ}\! C$ Duggpunkt: %3.1f$^{\circ}\! C$ Trykk: %5.1f hPa' % (sfcT,sfcTd,0.01*sfcP), \
fontsize=10, x = 0.5, y = 0.03)
plt.show()
plt.close()
def tzCloudPlot(nest, plotMetar=False, offset=0):
nc = openWRF(nest)
Nx, Ny, Nz, _longs, _lats, _dx, _dy, x_nr, y_nr = getDimensions(nc)
heightground_t, heighthalf_tz = _getHeight(nc, Nx, Ny, Nz, x_nr, y_nr)
T_tz = np.zeros((Nz, Nt))
qcloud_tz = np.zeros((Nz, Nt))
qice_tz = np.zeros((Nz, Nt))
qsnow_tz = np.zeros((Nz, Nt))
qrain_tz = np.zeros((Nz, Nt))
for t in arange(Nt):
theta = nc.variables['T'][t, :, y_nr, x_nr] + T_base
P = nc.variables['P'][t, :, y_nr,
x_nr] + nc.variables['PB'][t, :, y_nr, x_nr]
T_tz[:,
t] = theta * (P /
P_bot)**kappa # Temperatur i halvflatene (Kelvin)
rho = P[:] / (R * T_tz[:, t]) # regner om til g/m3
qcloud_tz[:,
t] = 1000.0 * nc.variables['QCLOUD'][t, :, y_nr, x_nr] * rho
qice_tz[:, t] = 1000.0 * nc.variables['QICE'][t, :, y_nr, x_nr] * rho
qsnow_tz[:, t] = 1000.0 * nc.variables['QSNOW'][t, :, y_nr, x_nr] * rho
qrain_tz[:, t] = 1000.0 * nc.variables['QRAIN'][t, :, y_nr, x_nr] * rho
for s in [u'Snø', 'Regn']:
plt.figure()
plt.axis([-offset, Nt - 1, 0.0, z_max])
grid = np.reshape(np.tile(arange(Nt), Nz), (Nz, -1))
if (s == u"Snø"):
var = qsnow_tz
cm = cmap_blue
levs = tz_snow_levels
else:
var = qrain_tz
cm = cmap_green
levs = tz_rain_levels
plt.contourf(grid,
heighthalf_tz,
qcloud_tz,
alpha=0.9,
levels=tz_cloudwater_levels,
cmap=cmap_red) #
plt.colorbar()
plt.contourf(grid, heighthalf_tz, var, alpha=0.6, levels=levs,
cmap=cm) #
plt.colorbar()
cs = plt.contour(grid,
heighthalf_tz,
T_tz - T_zero,
temp_int,
colors='black',
linestyles='solid')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12, colors='black')
plt.fill_between(arange(-offset, Nt),
heightground_t[0],
0,
facecolor='lightgrey')
if plotMetar:
_metar()
print s + ' ($g/m^3$)'
plt.xlabel('Timer etter ' + date + 'T00:00Z')
plt.ylabel(u'Høyde [m]')
plt.yticks(np.arange(0, z_max, dz), fontsize='small')
plt.show()
plt.close()
fig = plt.figure()
ax1 = fig.add_subplot(111)
ax1.set_xlim(0, Nt - 1)
ax1.plot(np.sum(qcloud_tz, axis=0), color='black', label=u"skyvann")
ax1.plot(np.sum(qsnow_tz, axis=0), color='green', label=u"snø")
ax1.set_xlabel('Timer etter ' + date + 'T00:00Z')
ax1.set_ylabel(u'Skyvann og snø ($g/m^2$)')
ax2 = ax1.twinx()
ax2.plot(np.sum(qice_tz, axis=0), color='blue', label="is")
ax2.plot(np.sum(qrain_tz, axis=0), color='red', label="regn")
ax2.set_ylabel('Regn og is ($g/m^2$)')
ax1.set_xlim(0, Nt - 1)
ax1.legend(loc='upper left')
ax2.legend(loc='upper right')
plt.show()
plt.close()
def yzCloudPlot(nest, time, plotTemp=True, plotRH=False):
nc = openWRF(nest)
Nx, Ny, Nz, _longs, latitude, _dx, _dy, x_nr, y_nr = getDimensions(nc)
heightground_y, heighthalf_yz = _getHeight(nc, time, -1, Ny, Nz, x_nr, -1)
print 'Model height: ' + str(heightground_y[y_nr])
theta = nc.variables['T'][time, :, :, x_nr] + T_base
P = nc.variables['P'][time, :, :, x_nr] + nc.variables['PB'][time, :, :,
x_nr]
T = theta * (P / P_bot)**kappa # Temperatur i halvflatene (Kelvin)
rho = P / (R * T) #[kg/m3]
qcloud_yz = 1000.0 * nc.variables['QCLOUD'][
time, :, :, x_nr] * rho # regner om til g/m3
qrain_yz = 1000.0 * nc.variables['QRAIN'][time, :, :, x_nr] * rho
qsnow_yz = 1000.0 * nc.variables['QSNOW'][time, :, :, x_nr] * rho
plt.figure()
plt.set_cmap(cmap_red)
plt.axis([0, Ny - 1, 0.0, z_max])
print u'Cloud water red, snow blue, rain green ($g/m^3$)'
grid = np.reshape(np.tile(arange(Ny), Nz), (Nz, -1))
plt.contourf(grid,
heighthalf_yz,
qcloud_yz,
alpha=0.9,
levels=xz_cloudwater_levels,
cmap=cmap_red) #
plt.colorbar()
plt.contourf(grid,
heighthalf_yz,
qrain_yz,
alpha=0.6,
levels=xz_rain_levels,
cmap=cmap_green) #
plt.colorbar()
plt.contourf(grid,
heighthalf_yz,
qsnow_yz,
alpha=0.6,
levels=xz_snow_levels,
cmap=cmap_blue) #
plt.colorbar()
if plotTemp:
cs = plt.contour(grid,
heighthalf_yz,
T - T_zero,
temp_int,
colors='black',
linestyles='solid') #linewidths=4
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12, colors='black')
if plotRH:
rh = _getRH(nc, time, x_nr, -1, T, P)
rh_int = arange(90., 111., 5.)
cs = plt.contour(grid, heighthalf_yz, rh, rh_int, colors='grey')
plt.clabel(cs, inline=1, fmt='%1.0f', fontsize=12, colors='grey')
plt.plot(arange(Ny), heightground_y, color='black')
plt.fill_between(arange(Ny), heightground_y, 0, facecolor='lightgrey')
plt.xticks(np.arange(0, Ny, 8),
np.round(latitude[::8, Nx / 2], 1),
fontsize='small')
plt.yticks(np.arange(0, z_max, dz), fontsize='small')
plt.xlabel('Breddegrad')
plt.ylabel(u'Høyde [m]')
plt.show()
plt.close()