def __init__(self, startStr = '201706272200', endStr = '201706280400', upscaleKm = 1, min_rainrate = 0.01):
startTime = ti.timestring2datetime(startStr)
endTime = ti.timestring2datetime(endStr)
self.startStr = startStr
self.endStr = endStr
self.startTime = startTime
self.endTime = endTime
self.upscaleKm = upscaleKm
self.min_rainrate = min_rainrate
self._DATA = {}
self.load_observation()
def produce_forecast(timeStartStr,leadTimeMin):
produce_radar_observations = False
produce_radar_extrapolation = False
produce_cosmo_1 = True
# parameters
rainThreshold = 0.08
## RADAR OBSERVATIONS
if produce_radar_observations:
print('Retrieve radar observations for ' + timeStartStr + ' + ' + str(leadTimeMin) + ' min')
# start 5 min earlier to compute 10min accumulation at t0
startTimeToPass = ti.timestring2datetime(timeStartStr) - datetime.timedelta(minutes=5)
startTimeToPassStr = ti.datetime2timestring(startTimeToPass)
radar_observations_5min, r = nw.get_radar_observations(startTimeToPassStr, leadTimeMin+5, product='RZC')
# aggregate to 10-min forecast (to match COSMO1 resolution)
radar_observations_10min = nw.aggregate_in_time(radar_observations_5min,timeAccumMin=10,type='sum')
## EXTRAPOLATION FORECAST
if produce_radar_extrapolation:
print('Run radar extrapolation for ' + timeStartStr + ' + ' + str(leadTimeMin) + ' min')
# produce 5-min radar extrapolation
radar_extrapolation_5min, radar_mask_5min = nw.radar_extrapolation(timeStartStr,leadTimeMin, product='RZC')
# aggregate to 10-min forecast (to match COSMO1 resolution)
radar_extrapolation_10min = nw.aggregate_in_time(radar_extrapolation_5min,timeAccumMin=10,type='sum')
radar_mask_10min = nw.aggregate_in_time(radar_mask_5min,timeAccumMin=10,type='mean')
# add observation at t0
radar_extrapolation_10min = np.concatenate((radar_observations_10min[:,:,0,np.newaxis],radar_extrapolation_10min),axis=2)
## COSMO-1 FORECASTS
if produce_cosmo_1:
print('Retrive COSMO-1 for ' + timeStartStr + ' + ' + str(leadTimeMin) + ' min')
cosmo1_10min = nw.get_cosmo1(timeStartStr, leadTimeMin)
cosmo1_10min[cosmo1_10min <= rainThreshold] = np.nan
def get_radar_observations(timeStartStr, leadTimeMin, domainSize = 512, product = 'RZC', rainThreshold = 0.08):
# Get datetime format
startTime = ti.timestring2datetime(timeStartStr)
endTime = startTime + datetime.timedelta(minutes=leadTimeMin)
# Number of consecutive radar images to retrieve
dt = 5 # minutes
nimages = int((endTime - startTime).total_seconds()/60/dt) + 1
# Retrieve images
radarStack = get_n_next_radar_image(timeStartStr, nimages, domainSize, product, rainThreshold )
# Store in Numpy array
radar_observations = np.zeros((domainSize,domainSize,nimages))
radar_mask = np.zeros((domainSize,domainSize,nimages))
timestamps = []
currentTime = startTime
for t in xrange(len(radarStack)):
# radar_observations[:,:,t] = radarStack[t].rainrateNans.copy()
if radarStack[t].war>-1:
radar_observations[:,:,t] = radarStack[t].rainrate.copy()
radar_mask[:,:,t] = radarStack[t].mask.copy()
timestamps.append(radarStack[t].datetime)
else:
radar_observations[:,:,t] = np.zeros((domainSize,domainSize))*np.nan
radar_mask[:,:,t] = np.ones((domainSize,domainSize))
timestamps.append(currentTime)
currentTime = currentTime + datetime.timedelta(minutes=5)
robject = radarStack[0]
return radar_observations, radar_mask, timestamps, robject
def produce_radar_observation_with_accumulation(startValidTimeStr, endValidTimeStr, newAccumulationMin=10, domainSize=512, product='RZC',rainThreshold=0.08):
# base accumulation is 5 min
baseAccumMin = 5
accumFactor = int(newAccumulationMin/baseAccumMin)
# datetime format
startValidTime = ti.timestring2datetime(startValidTimeStr)
endValidTime = ti.timestring2datetime(endValidTimeStr)
leadTimeMin = int((endValidTime - startValidTime).total_seconds()/60)
# start to compute the correct accumulation at t0
if newAccumulationMin>baseAccumMin:
startTimeToPass = startValidTime - datetime.timedelta(minutes=newAccumulationMin-baseAccumMin)
else:
startTimeToPass = startValidTime
startTimeToPassStr = ti.datetime2timestring(startTimeToPass)
with np.errstate(invalid='ignore'):
radar_observations_5min, radar_mask_5min, timestamps, r = nw.get_radar_observations(startTimeToPassStr, leadTimeMin+newAccumulationMin-baseAccumMin, product=product, rainThreshold = 0)
# convert to mm for computing accumulations
radar_observations_5min = radar_observations_5min/60*baseAccumMin
# aggregate to new accumulation
if newAccumulationMin>baseAccumMin:
radar_observations_new = nw.aggregate_in_time(radar_observations_5min,timeAccumMin=newAccumulationMin,type='sum')
radar_mask_new = nw.aggregate_in_time(radar_mask_5min,timeAccumMin=newAccumulationMin,type='nansum')
radar_mask_new[radar_mask_new==0] = np.nan
radar_mask_new[radar_mask_new>0] = 1
timestamps = timestamps[accumFactor-1::accumFactor]
else:
radar_observations_new = radar_observations_5min
radar_mask_new = radar_mask_5min
# convert to mm/h
radar_observations_new = radar_observations_new/newAccumulationMin*60
# Apply rain threshold
radar_observations_new[radar_observations_new<=rainThreshold] = 0
# [time,y,x]
radar_observations_new = np.rollaxis(radar_observations_new,2,0)
radar_mask_new = np.rollaxis(radar_mask_new,2,0)
return radar_observations_new,radar_mask_new,timestamps
def __init__(self,
startStr='201706272200',
endStr='201706280400',
upscaleKm=1,
min_rainrate=0.01):
startTime = ti.timestring2datetime(startStr)
endTime = ti.timestring2datetime(endStr)
self.startStr = startStr
self.endStr = endStr
self.startTime = startTime
self.endTime = endTime
self.upscaleKm = upscaleKm
self.min_rainrate = min_rainrate
self._DATA = {}
self.load_observation()
def get_n_last_radar_image(timeStampStr, nimages, domainSize, product = 'RZC', rainThreshold = 0.08):
timeStamp = ti.timestring2datetime(timeStampStr)
radarStack = []
nextTimeStamp = timeStamp
for n in xrange(nimages):
nextTimeStampStr = ti.datetime2timestring(nextTimeStamp)
if product == 'RZC':
r = io.read_bin_image(nextTimeStampStr,fftDomainSize=domainSize,product=product, minR = rainThreshold) # get full extent of the radar image
else:
r = io.read_gif_image(nextTimeStampStr,fftDomainSize=domainSize,product=product, minR = rainThreshold) # get full extent of the radar image
radarStack.insert(0,r)
nextTimeStamp = nextTimeStamp - datetime.timedelta(minutes=5)
return radarStack
def get_n_next_radar_image(timeStampStr, nimages, domainSize, product = 'RZC', rainThreshold = 0.08):
timeStamp = ti.timestring2datetime(timeStampStr)
radarStack = []
nextTimeStamp = timeStamp
for n in xrange(nimages):
nextTimeStampStr = ti.datetime2timestring(nextTimeStamp)
if product=='RZC':
r = io.read_bin_image(nextTimeStampStr,fftDomainSize=domainSize,product=product, minR = rainThreshold)
else:
r = io.read_gif_image(nextTimeStampStr,fftDomainSize=domainSize,product=product, minR = rainThreshold)
radarStack.append(r)
nextTimeStamp = nextTimeStamp + datetime.timedelta(minutes=5)
return radarStack
plotSpectrum = args.spec
extension = '.' + args.format
product = args.product
if (int(args.start) > int(args.end)):
print('Time end should be after time start')
sys.exit(1)
if (int(args.start) < 198001010000) or (int(args.start) > 203001010000):
print('Invalid -start or -end time arguments.')
sys.exit(1)
else:
timeStartStr = args.start
timeEndStr = args.end
### Get list of filenames
timeStart = ti.timestring2datetime(timeStartStr)
timeEnd = ti.timestring2datetime(timeEndStr)
fileNameExpr = product + '_' + plotSpectrum + 'PS_*'
fileList = io.get_files_period(timeStart,
timeEnd,
inBaseDir,
fileNameExpr,
tempResMin=5)
# Check if there are file found
if len(fileList) == 0:
print('No files found to generate video. Check your input filestamps.')
sys.exit()
######## Generate clip
def get_radar_extrapolation(startValidTimeStr,endValidTimeStr, newAccumulationMin=10, domainSize=512, rainThreshold=0.08, product='RZC', outBaseDir='/scratch/ned/data/'):
# datetime format
startValidTime = ti.timestring2datetime(startValidTimeStr)
endValidTime = ti.timestring2datetime(endValidTimeStr)
leadTimeMin = int((endValidTime - startValidTime).total_seconds()/60)
# Check if the nc file already exists
year = startValidTime.year
yearStr = str(year)[2:4]
julianDay = startValidTime.timetuple().tm_yday
julianDayStr = '%03i' % julianDay
yearJulianStr = yearStr + julianDayStr
outDir = outBaseDir + startValidTime.strftime("%Y") + '/' + startValidTime.strftime("%y") + julianDayStr + '/'
fcstName = 'radar-extrapolation_' + startValidTime.strftime("%Y%m%d%H%M") + '_' + str(int(leadTimeMin/60)) + 'hours'
fcstFile = r'%s' % (outDir + fcstName + '.nc')
# base accumulation is 5 min
baseAccumMin = 5
accumFactor = int(newAccumulationMin/baseAccumMin)
# if not produce forecasts
if os.path.isfile(fcstFile) == False:
# produce 5-min radar extrapolation
radar_extrapolation_5min, timestamps_5min = nw.radar_extrapolation(startValidTimeStr,leadTimeMin,finalDomainSize=domainSize,product=product,rainThreshold=rainThreshold)
if product=='RZC':
r = io.read_bin_image(startValidTimeStr, fftDomainSize=domainSize, inBaseDir = '/scratch/ned/data/')
else:
r = io.read_gif_image(startValidTimeStr, fftDomainSize=domainSize, inBaseDir = '/scratch/ned/data/')
if accumFactor>1:
# convert to mm
radar_extrapolation_5min = radar_extrapolation_5min/60*baseAccumMin
# aggregate to new accumulation (to match COSMO1 resolution)
radar_extrapolation_new = nw.aggregate_in_time(radar_extrapolation_5min,timeAccumMin=newAccumulationMin,type='sum')
timestamps_new = timestamps_5min[accumFactor-1::accumFactor]
# convert to mm/h
radar_extrapolation_new = radar_extrapolation_new/newAccumulationMin*60
# get observations at t0 [mm/h]
radar_observations_t0, _, _ = produce_radar_observation_with_accumulation(startValidTimeStr, startValidTimeStr, newAccumulationMin, domainSize=domainSize, product=product)
radar_observations_t0 = np.squeeze(radar_observations_t0)[:,:,None]
else:
# no need to aggregate forecasts
radar_extrapolation_new = radar_extrapolation_5min
timestamps_new = timestamps_5min
# get observations at t0
radar_observations_t0 = r.rainrate[:,:,None]
# add observation for t0
radar_extrapolation_new = np.concatenate((radar_observations_t0,radar_extrapolation_new),axis=2)
timestamps_new.insert(0,startValidTime)
timestamps_new = np.array(timestamps_new)
# [time,y,x]
radar_extrapolation_new = np.rollaxis(radar_extrapolation_new,2,0)
# save netcdf
Xcoords = r.subXcoords
Ycoords = r.subYcoords
save_3darray_netcdf(fcstFile, radar_extrapolation_new, 'radar_extrapolation',\
timestamps_new,Xcoords,Ycoords)
print('Read: ' + fcstFile)
# Now read the NetCDF file
radar_extrapolation, timestamps, Xcoords, Ycoords = load_3darray_netcdf(fcstFile)
testplot=False
if testplot:
n=0
while n<100:
n+=1
for t in xrange(timestamps.shape[0]):
plt.clf()
plt.imshow(radar_extrapolation[t,:,:],interpolation ='nearest',vmin=0,vmax=65, extent=[Xcoords.min(), Xcoords.max(), Ycoords.min(), Ycoords.max()])
plt.title(timestamps[t])
plt.pause(1)
return radar_extrapolation, timestamps, Xcoords, Ycoords
def get_cosmoE10min(startValidTimeStr, endValidTimeStr, members = 'all', domainSize=512, outBaseDir='/scratch/ned/data/', cosmoBaseDir='/store/s83/tsm/EXP_TST/611/',rainThreshold=0.08,latencyTimeMin=100,lag=0,overwrite=False,useavailable=True):
# datetime format
startValidTime = ti.timestring2datetime(startValidTimeStr)
endValidTime = ti.timestring2datetime(endValidTimeStr)
timebounds = [startValidTime, endValidTime]
# Check if the single nc file already exists
if members=='all':
year = startValidTime.year
yearStr = str(year)[2:4]
julianDay = startValidTime.timetuple().tm_yday
julianDayStr = '%03i' % julianDay
yearJulianStr = yearStr + julianDayStr
outDir = outBaseDir + startValidTime.strftime("%Y") + '/' + startValidTime.strftime("%y") + julianDayStr + '/'
fcstName = 'COSMOE10min_' + startValidTime.strftime("%Y%m%d%H%M") + '_' + endValidTime.strftime("%Y%m%d%H%M") + '_lag' + str(lag) + '_ltMin' + str(int(latencyTimeMin))
fcstFile = r'%s' % (outDir + fcstName + '.nc')
else:
fcstFile = 'donotsavethisfile'
# if not load original forecasts
if (not os.path.isfile(fcstFile)) or overwrite:
print(fcstFile + ' not found.')
analysis_not_found = True
nloops = 0
while analysis_not_found and (nloops < 2):
# Get most recent run (or second most recent)
analysisTimeStr = rfe.find_nearest_forecast(startValidTimeStr, 'cosmo-e', lat_timeMin = latencyTimeMin, lag = lag)
print('run time: ',analysisTimeStr)
analysisTime = ti.timestring2datetime(analysisTimeStr)
# list of EPS members to load
if members == 'all':
members = range(21)
# Folder to the nc files
outDir = cosmoBaseDir + 'FCST' + analysisTime.strftime("%y") + '/' + analysisTime.strftime("%y%m%d%H") + '_611/output/'
if os.path.isdir(outDir) == False:
print('Folder not found: ' + outDir)
if useavailable:
startValidTime -= datetime.timedelta(hours=12)
startValidTimeStr = ti.datetime2timestring(startValidTime)
nloops+=1
else:
return None,None,None,None
else:
analysis_not_found=False
if analysis_not_found:
return None,None,None,None
# Load individual EPS member and merge them in one array
countm=0
for member in members:
thisFcstFile = outDir + 'cosmo-e_TOT_PREC_' + str(member).zfill(3) + '.nc'
if not os.path.isfile(thisFcstFile):
print('File not found: ' + thisFcstFile)
sys.exit()
else:
print('Read: ' + thisFcstFile)
# read the NetCDF file
# this_member, timestamps, Xcoords, Ycoords = load_3darray_netcdf_with_bounds(thisFcstFile, timebounds, domainSize) # need to fix this...
this_member, timestamps, Xcoords, Ycoords = load_3darray_netcdf(thisFcstFile)
# print(timebounds)
# print(this_member.shape)
# flip and merge together the members
if member == members[0]:
if domainSize>0:
cosmoe_data = np.zeros((this_member.shape[0], len(members), domainSize, domainSize))
else:
cosmoe_data = np.zeros((this_member.shape[0], len(members),this_member.shape[2],this_member.shape[3]))
for i in xrange(this_member.shape[0]):
# flip frames
this_frame = np.flipud(this_member[i,0,:,:])
if domainSize>0:
cosmoe_data[i,countm,:,:] = dt.extract_middle_domain(this_frame, domainSize, domainSize)
else:
cosmoe_data[i,countm,:,:] = this_frame
del this_member
countm+=1
# convert to mm/h
cosmoe_data = cosmoe_data*6
# Get coordinates of reduced domain
if domainSize>0:
extent = dt.get_reduced_extent(Xcoords.shape[0], Ycoords.shape[0], domainSize, domainSize)
Xmin = Xcoords[extent[0]]
Ymin = Ycoords[extent[1]]
Xmax = Xcoords[extent[2]]
Ymax = Ycoords[extent[3]]
extent = (Xmin, Xmax, Ymin, Ymax)
Xcoords = np.arange(Xmin,Xmax,1000)
Ycoords = np.arange(Ymin,Ymax,1000)
else:
extent = (Xcoords.min(), Xcoords.max(), Ycoords.min(), Ycoords.max())
# Extract timestamps
idxKeep1 = timestamps >= timebounds[0]
idxKeep2 = timestamps <= timebounds[1]
idxKeep = np.logical_and(idxKeep1,idxKeep2)
cosmoe_data = cosmoe_data[idxKeep,:,:,:]
timestamps = timestamps[idxKeep]
# and store it before loading it again
if (not fcstFile=='donotsavethisfile'):
# print(fcstFile,cosmoe_data.shape,timestamps.shape,Xcoords.shape,Ycoords.shape)
save_4darray_netcdf(fcstFile, cosmoe_data, 'COSMO-E10min',\
timestamps,cosmoe_data.shape[1],Xcoords,Ycoords)
else:
print('Read: ' + fcstFile)
# Now read the NetCDF file
cosmoe_data, timestamps, members, Ycoords, Xcoords = load_4darray_netcdf(fcstFile)
# Apply rain threshold
cosmoe_data[cosmoe_data<=rainThreshold] = 0
testplot=False
if testplot:
nmember=0
n=0
while n<100:
n+=1
for t in xrange(timestamps.shape[0]):
plt.clf()
plt.imshow(10*np.log10(cosmoe_data[t,nmember,:,:]),interpolation ='nearest',vmin=-12,vmax=20, extent=[Xcoords.min(), Xcoords.max(), Ycoords.min(), Ycoords.max()])
plt.title(timestamps[t])
plt.pause(1)
return cosmoe_data, timestamps, Xcoords, Ycoords
def get_lagged_cosmo1(startValidTimeStr, endValidTimeStr, domainSize=512, leadTimeMin = 6*60, outBaseDir='/scratch/ned/data/', rainThreshold=0.08):
# get all individual forecasts' starting times
latencyTimeHr = 1#100/60
maxLeadTimeHr=33
fcstStarts,fcstMembers,fcstLeadTimeStartsMin,fcstLeadTimeStopsMin = rf1.get_lagged_ensemble_members(startValidTimeStr, endValidTimeStr, latencyTimeHr, maxLeadTimeHr)
nmembers = len(fcstMembers)
# if necessary, extract them with fieldextra
filesOut = []
analysisTimes = []
for n in xrange(nmembers):
print('----------------------------------------------------')
print(fcstMembers[n] + ', analysis time: ' + fcstStarts[n].strftime("%Y%m%d%H%M%S") + ', ' + str(fcstLeadTimeStartsMin[n]/60) + ' to ' + str(fcstLeadTimeStopsMin[n]/60) + ' hours.')
# Check if the nc file already exists
year = fcstStarts[n].year
yearStr = str(year)[2:4]
julianDay = fcstStarts[n].timetuple().tm_yday
julianDayStr = '%03i' % julianDay
yearJulianStr = yearStr + julianDayStr
outDir = outBaseDir + fcstStarts[n].strftime("%Y") + '/' + fcstStarts[n].strftime("%y") + julianDayStr + '/'
it_exists = False
LeadTimeToCheck = fcstLeadTimeStopsMin[n]/60
while (it_exists == False) and (LeadTimeToCheck <= maxLeadTimeHr):
fcstName = fcstStarts[n].strftime("%Y%m%d%H%M") + '_' + str(int(LeadTimeToCheck)) + 'hours'
fcstFile = r'%s' % (outDir + 'cosmo-1_TOT_PREC_' + fcstName + '.nc')
if os.path.isfile(fcstFile) == False:
LeadTimeToCheck += 1
else:
it_exists = True
break
if it_exists == False:
LeadTimeToGetHrs = np.minimum(maxLeadTimeHr, np.ceil(( fcstLeadTimeStopsMin[n]/60 )/12)*12)
fcstFile = rf1.run_fieldextra_c1(fcstStarts[n].strftime("%Y%m%d%H%M"),LeadTimeToGetHrs*60,outBaseDir=outBaseDir)
print('read: ' + fcstFile)
# Now read the NetCDF file
cosmo1_data, timestamps, Xcoords, Ycoords = load_3darray_netcdf(fcstFile)
# exclude first time step (it's all NaNs!)
cosmo1_data=cosmo1_data[1:,:,:]
timestamps=timestamps[1:]
# convert to mm/h
cosmo1_data = cosmo1_data*6
# flip and extract middle domain
new_data = np.zeros((cosmo1_data.shape[0],domainSize,domainSize))
for i in range(cosmo1_data.shape[0]):
# flip frames
cosmo1_data[i,:,:] = np.flipud(cosmo1_data[i,:,:])
# cut domain
if domainSize>0:
new_data[i,:,:] = dt.extract_middle_domain(cosmo1_data[i,:,:], domainSize, domainSize)
else:
new_data[i,:,:] = cosmo1_data[i,:,:]
cosmo1_data = new_data
# Apply rain threshold
cosmo1_data[cosmo1_data<=rainThreshold] = 0
# Extract timestamps
idxKeep1 = timestamps >= ti.timestring2datetime(startValidTimeStr)
idxKeep2 = timestamps <= ti.timestring2datetime(endValidTimeStr)
cosmo1_data = cosmo1_data[idxKeep1*idxKeep2,:,:]
timestamps = timestamps[idxKeep1*idxKeep2]
# Build 4D array with all members
if n==0:
cosmo1_lagged_data = np.zeros((cosmo1_data.shape[0],nmembers,cosmo1_data.shape[1],cosmo1_data.shape[2]))
cosmo1_lagged_data[:,n,:,:] = cosmo1_data.copy()
# Get coordinates of reduced domain
if domainSize>0:
extent = dt.get_reduced_extent(Xcoords.shape[0], Ycoords.shape[0], domainSize, domainSize)
Xmin = Xcoords[extent[0]]
Ymin = Ycoords[extent[1]]
Xmax = Xcoords[extent[2]]
Ymax = Ycoords[extent[3]]
extent = (Xmin, Xmax, Ymin, Ymax)
subXcoords = np.arange(Xmin,Xmax,1000)
subYcoords = np.arange(Ymin,Ymax,1000)
testplot=False
if testplot:
nmember=0
n=0
while n<100:
n+=1
for t in xrange(timestamps.shape[0]):
plt.clf()
plt.imshow(cosmo1_lagged_data[t,nmember,:,:],interpolation ='nearest',vmin=0,vmax=65, extent=[subXcoords.min(), subXcoords.max(), subYcoords.min(), subYcoords.max()])
plt.title(timestamps[t])
plt.pause(1)
return cosmo1_lagged_data, timestamps, subXcoords, subYcoords
def get_cosmoE(startValidTimeStr, endValidTimeStr, analysisTimeStr = [], domainSize=512, leadTimeMin = 24*60, outBaseDir='/scratch/ned/data/',rainThreshold=0.08, latencyTimeMin=100, overwrite = False):
# Get most recent run
if len(analysisTimeStr)==0:
analysisTimeStr = rfe.find_nearest_forecast(startValidTimeStr, 'cosmo-e', lat_timeMin = latencyTimeMin)
analysisTime = ti.timestring2datetime(analysisTimeStr)
leadtimeHrs = int (( ti.timestring2datetime(endValidTimeStr) - analysisTime ).total_seconds()/3600 )
# # Check if the nc file already exists
# year = analysisTime.year
# yearStr = str(year)[2:4]
# julianDay = analysisTime.timetuple().tm_yday
# julianDayStr = '%03i' % julianDay
# yearJulianStr = yearStr + julianDayStr
# outDir = outBaseDir + analysisTime.strftime("%Y") + '/' + analysisTime.strftime("%y") + julianDayStr + '/'
# # fcstName = analysisTime.strftime("%Y%m%d%H%M") + '_' + str(int(leadTimeMin/60)) + 'hours'
# fcstName = analysisTimeStr + '_' + startValidTimeStr + '_' + endValidTimeStr
# fcstFile = r'%s' % (outDir + 'cosmo-E_TOT_PREC_' + fcstName + '.nc')
# # if not call fieldextra
# if os.path.isfile(fcstFile) == False:
# rfe.run_fieldextra_ce(analysisTimeStr,startValidTimeStr,endValidTimeStr,outBaseDir=outBaseDir)
outFile = rfe.run_fieldextra_forecast(analysisTimeStr, leadtimeHrs, fieldName='TOT_PREC', outBaseDir = '/scratch/ned/data/', modelName='cosmo-e', deltaMin = 60, overwrite = overwrite)
print('Read: ' + outFile)
# Now read the NetCDF file
cosmoe_data, timestamps, members, Ycoords, Xcoords = load_4darray_netcdf(outFile)
# exclude first time step (it's all NaNs!)
# cosmoe_data=cosmoe_data[1:,:,:,:]
# timestamps=timestamps[1:]
# flip and extract middle domain
new_data = np.zeros((cosmoe_data.shape[0], cosmoe_data.shape[1],domainSize,domainSize))
for i in xrange(cosmoe_data.shape[0]):
for m in xrange(cosmoe_data.shape[1]):
# flip frames
cosmoe_data[i,m,:,:] = np.flipud(cosmoe_data[i,m,:,:])
# cut domain
if domainSize>0:
new_data[i,m,:,:] = dt.extract_middle_domain(cosmoe_data[i,m,:,:], domainSize, domainSize)
else:
new_data[i,m,:,:] = cosmoe_data[i,m,:,:]
cosmoe_data = new_data
# Apply rain threshold
cosmoe_data[cosmoe_data<=rainThreshold] = 0
# Get coordinates of reduced domain
if domainSize>0:
extent = dt.get_reduced_extent(Xcoords.shape[0], Ycoords.shape[0], domainSize, domainSize)
Xmin = Xcoords[extent[0]]
Ymin = Ycoords[extent[1]]
Xmax = Xcoords[extent[2]]
Ymax = Ycoords[extent[3]]
extent = (Xmin, Xmax, Ymin, Ymax)
subXcoords = np.arange(Xmin,Xmax,1000)
subYcoords = np.arange(Ymin,Ymax,1000)
# Extract timestamps
idxKeep1 = timestamps >= ti.timestring2datetime(startValidTimeStr)
idxKeep2 = timestamps <= ti.timestring2datetime(endValidTimeStr)
cosmoe_data = cosmoe_data[idxKeep1*idxKeep2,:,:,:]
timestamps = timestamps[idxKeep1*idxKeep2]
testplot=False
if testplot:
nmember=0
n=0
while n<100:
n+=1
for t in xrange(timestamps.shape[0]):
plt.clf()
plt.imshow(cosmoe_data[t,nmember,:,:],interpolation ='nearest',vmin=0,vmax=65, extent=[subXcoords.min(), subXcoords.max(), subYcoords.min(), subYcoords.max()])
plt.title(timestamps[t])
plt.pause(1)
return cosmoe_data, timestamps, subXcoords, subYcoords
def get_ensemble_radar_extrapolation(startValidTimeStr,endValidTimeStr, NumberMembers = 2, NumberLevels = 1, newAccumulationMin=10, rainThreshold = 0.08, domainSize=512, local_level = 0, seed = 42, product='RZC', outBaseDir='/scratch/ned/data/'):
# datetime format
startValidTime = ti.timestring2datetime(startValidTimeStr)
endValidTime = ti.timestring2datetime(endValidTimeStr)
leadTimeMin = int((endValidTime - startValidTime).total_seconds()/60)
# Check if the nc file already exists
year = startValidTime.year
yearStr = str(year)[2:4]
julianDay = startValidTime.timetuple().tm_yday
julianDayStr = '%03i' % julianDay
yearJulianStr = yearStr + julianDayStr
outDir = outBaseDir + startValidTime.strftime("%Y") + '/' + startValidTime.strftime("%y") + julianDayStr + '/'
fcstName = 'ensemble-radar-extrapolation_' + startValidTime.strftime("%Y%m%d%H%M") + '_' + str(int(leadTimeMin/60)) + 'hours' + '_' + str(NumberMembers) + 'members' + '_' + str(NumberLevels) + 'levels' + '_' + str(newAccumulationMin) + 'min' + '_' + product + '_' + str(domainSize) + 'km' + '_' + str(local_level) + 'local_seed' + str(seed)
fcstNameMask = fcstName + '_mask'
fcstFile = r'%s' % (outDir + fcstName + '.nc')
fcstFileMask = r'%s' % (outDir + fcstNameMask + '.nc')
# base accumulation is 5 min
baseAccumMin = 5
accumFactor = int(newAccumulationMin/baseAccumMin)
# if not produce forecasts
if os.path.isfile(fcstFile) == False:
# produce 5-min radar extrapolation
radar_extrapolation_5min, timestamps_5min, radarMask_5min = nw.probabilistic_radar_extrapolation(startValidTimeStr,leadTimeMin,finalDomainSize=domainSize,NumberMembers=NumberMembers,NumberLevels=NumberLevels,product=product,local_level=local_level,seed=seed)
if product=='RZC':
r = io.read_bin_image(startValidTimeStr, fftDomainSize=domainSize, product=product, inBaseDir = '/scratch/ned/data/')
else:
r = io.read_gif_image(startValidTimeStr, fftDomainSize=domainSize, product=product, inBaseDir = '/scratch/ned/data/')
# print(radarMask_5min.shape)
if accumFactor>1:
# convert to mm
radar_extrapolation_5min = radar_extrapolation_5min/60*baseAccumMin
# aggregate to new accumulation (to match COSMO1 resolution)
for m in xrange(NumberMembers):
radar_extrapolation_new_member = nw.aggregate_in_time(radar_extrapolation_5min[:,:,:,m],timeAccumMin=newAccumulationMin,type='sum')
if m==0:
radar_extrapolation_new = np.zeros((radar_extrapolation_new_member.shape[0],radar_extrapolation_new_member.shape[1],radar_extrapolation_new_member.shape[2],NumberMembers))
radar_extrapolation_new[:,:,:,m] = radar_extrapolation_new_member
timestamps_new = timestamps_5min[accumFactor-1::accumFactor]
radarMask_new = radarMask_5min[:,:,accumFactor-1::accumFactor]
# print(radarMask_new.shape)
# convert to mm/h
radar_extrapolation_new = radar_extrapolation_new/newAccumulationMin*60
# get observations at t0 [mm/h]
radar_observations_t0, _, _ = produce_radar_observation_with_accumulation(startValidTimeStr, startValidTimeStr, newAccumulationMin, domainSize, product=product)
radar_observations_t0 = np.squeeze(radar_observations_t0)
radarmask_t0 = r.mask.copy()
radarmask_t0 = np.array(np.isnan(radarmask_t0),dtype=int)
# print(radarmask_t0.shape)
else:
# no need to aggregate forecasts
radar_extrapolation_new = radar_extrapolation_5min
timestamps_new = timestamps_5min
radarMask_new = radarMask_5min
# get observations at t0
radar_observations_t0 = r.rainrate.copy()
radarmask_t0 = r.mask.copy()
radarmask_t0 = np.array(np.isnan(radarmask_t0),dtype=int)
radar_observations_t0_allmembers = np.zeros((radar_observations_t0.shape[0],radar_observations_t0.shape[1],NumberMembers))
for m in xrange(NumberMembers):
radar_observations_t0_allmembers[:,:,m] = radar_observations_t0.copy()
radar_observations_t0_allmembers = radar_observations_t0_allmembers[:,:,None,:]
radarmask_t0 = radarmask_t0[:,:,None]
# print(radarmask_t0.shape)
# add observation for t0
radar_extrapolation_new = np.concatenate((radar_observations_t0_allmembers,radar_extrapolation_new),axis=2)
radarMask_new = np.concatenate((radarmask_t0,radarMask_new),axis=2)
timestamps_new.insert(0,startValidTime)
timestamps_new = np.array(timestamps_new)
# [time,member,y,x]
radar_extrapolation_new = np.rollaxis(radar_extrapolation_new,2,0)
radar_extrapolation_new = np.rollaxis(radar_extrapolation_new,3,1)
radarMask_new = np.rollaxis(radarMask_new,2,0)
# Apply rain threshold
radar_extrapolation_new[radar_extrapolation_new<=rainThreshold] = 0
# save netcdf
Xcoords = r.subXcoords
Ycoords = r.subYcoords
save_4darray_netcdf(fcstFile, radar_extrapolation_new, 'ensemble_radar_extrapolation',\
timestamps_new,NumberMembers,Xcoords,Ycoords)
save_3darray_netcdf(fcstFileMask, radarMask_new, 'ensemble_radar_extrapolation_mask',\
timestamps_new,Xcoords,Ycoords)
print('Read: ' + fcstFile)
# Now read the NetCDF file
ensemble_radar_extrapolation, timestamps, members, Ycoords, Xcoords = load_4darray_netcdf(fcstFile)
if os.path.isfile(fcstFileMask):
ensemble_radar_extrapolation_mask, _, _, _ = load_3darray_netcdf(fcstFileMask)
else:
print('Radar mask file not found.')
ensemble_radar_extrapolation_mask = np.zeros((timestamps.size,ensemble_radar_extrapolation.shape[2],ensemble_radar_extrapolation.shape[3]))*np.nan
testplot=False
if testplot:
r = io.read_gif_image(startValidTimeStr)
nmember=0
n=0
while n<100:
n+=1
for t in xrange(timestamps.shape[0]):
plt.clf()
plt.imshow(ensemble_radar_extrapolation[t,nmember,:,:],interpolation ='nearest',norm=r.norm,cmap=r.cmap)
plt.title(timestamps[t])
plt.pause(1)
return ensemble_radar_extrapolation, timestamps, members, Xcoords, Ycoords, ensemble_radar_extrapolation_mask
# Parse input arguments
parser = argparse.ArgumentParser(description='Create time periods to pass to the bash script for parallel radar data processing.')
parser.add_argument('-start', default='201601010000', type=str,help='Starting date YYYYMMDDHHmmSS.')
parser.add_argument('-end', default='201601310000', type=str,help='Starting date YYYYMMDDHHmmSS.')
parser.add_argument('-n', default=-1, type=int,help='Number of periods.')
parser.add_argument('-days', default=-1, type=int,help='Periods interval length [days].')
parser.add_argument('-accum', default=5, type=int,help='Accumulation time of products.')
parser.add_argument('-start0', default=1, type=int,help='Whether to start the periods at 0 time or args.accum later.')
args = parser.parse_args()
if (args.n == -1) & (args.days == -1):
print('You have to define either the number of periods -p or the interval length in days -days')
sys.exit(1)
timeStart = ti.timestring2datetime(args.start)
timeEnd = ti.timestring2datetime(args.end)
# Compute total duration of the period
totalDurationSec = (timeEnd - timeStart).total_seconds()
timeDeltaAccum = datetime.timedelta(minutes = args.accum)
###### Get time stamps based on number of intervals (not tested)
if (args.n != -1) & (args.days == -1):
# Compute duration of the period intervals
durationPeriodSec = int(totalDurationSec/args.n)
if durationPeriodSec >= totalDurationSec:
numberPeriods = 1
timeStampsArray = np.array([args.start,args.end])
else:
timeStamps = []
advectionScheme = args.adv
frameRate = args.frameRate
product = args.product
leadtime = args.leadtime
timewindow = np.max((5,args.stack))
if (int(args.start) < 198001010000) or (int(args.start) > 203001010000):
print('Invalid -start time arguments.')
sys.exit(1)
else:
timeStartStr = args.start
######## Get dattime from timestamp
timeStart = ti.timestring2datetime(timeStartStr)
timeAccumMinStr = '%05i' % timeAccumMin
timeAccum24hStr = '%05i' % (24*60)
######## GIS stuff
# Limits of CCS4 domain
Xmin = 255000
Xmax = 965000
Ymin = -160000
Ymax = 480000
allXcoords = np.arange(Xmin,Xmax+resKm*1000,resKm*1000)
allYcoords = np.arange(Ymin,Ymax+resKm*1000,resKm*1000)
# Shapefile filename
fileNameShapefile = "/users/" + usrName + "/pyscripts/shapefiles/CHE_adm0.shp"
proj4stringWGS84 = "+proj=longlat +ellps=WGS84 +datum=WGS84"
args = parser.parse_args()
if (int(args.start) < 198001010000) or (int(args.start) > 203001010000):
print('Invalid -start or -end time arguments.')
sys.exit(1)
else:
timeStartStr = args.start
timeEndStr = args.end
product = args.product
timeAccumMin = args.accum
timeAccumMinStr = '%05i' % timeAccumMin
username = args.username
################################
timeStart = ti.timestring2datetime(timeStartStr)
timeEnd = ti.timestring2datetime(timeEndStr)
##### LOOP OVER FILES #############
tic = time.clock()
timeLocal = timeStart
while timeLocal <= timeEnd:
year = timeLocal.year
hour = timeLocal.hour
minute = timeLocal.minute
# Get Julian day
julianDay = ti.get_julianday(timeLocal)
# Create filename
yearStr = str(year)[2:4]
julianDayStr = '%03d' % julianDay
def get_cosmo1(startValidTimeStr, endValidTimeStr,domainSize=512, leadTimeMin = 12*60, outBaseDir='/scratch/ned/data/',rainThreshold=0.08):
# Get most recent run
analysisTimeStr = rf1.find_nearest_run_cosmo1(startValidTimeStr)
analysisTime = ti.timestring2datetime(analysisTimeStr)
# Check if the nc file already exists
year = analysisTime.year
yearStr = str(year)[2:4]
julianDay = analysisTime.timetuple().tm_yday
julianDayStr = '%03i' % julianDay
yearJulianStr = yearStr + julianDayStr
outDir = outBaseDir + analysisTime.strftime("%Y") + '/' + analysisTime.strftime("%y") + julianDayStr + '/'
fcstName = analysisTime.strftime("%Y%m%d%H%M") + '_' + str(int(leadTimeMin/60)) + 'hours'
fcstFile = r'%s' % (outDir + 'cosmo-1_TOT_PREC_' + fcstName + '.nc')
# if not call fieldextra
if os.path.isfile(fcstFile) == False:
rf1.run_fieldextra_c1(analysisTimeStr,leadTimeMin,outBaseDir=outBaseDir)
print('Read: ' + fcstFile)
# Now read the NetCDF file
cosmo1_data, timestamps, Xcoords, Ycoords = load_3darray_netcdf(fcstFile)
# exclude first time step (it's all NaNs!)
cosmo1_data=cosmo1_data[1:,:,:]
timestamps=timestamps[1:]
# convert to mm/h
cosmo1_data = cosmo1_data*6
# flip and extract middle domain
new_data = np.zeros((cosmo1_data.shape[0],domainSize,domainSize))
for i in range(cosmo1_data.shape[0]):
# flip frames
cosmo1_data[i,:,:] = np.flipud(cosmo1_data[i,:,:])
# cut domain
if domainSize>0:
new_data[i,:,:] = dt.extract_middle_domain(cosmo1_data[i,:,:], domainSize, domainSize)
else:
new_data[i,:,:] = cosmo1_data[i,:,:]
cosmo1_data = new_data
# Apply rain threshold
cosmo1_data[cosmo1_data<=rainThreshold] = 0
# Get coordinates of reduced domain
if domainSize>0:
extent = dt.get_reduced_extent(Xcoords.shape[0], Ycoords.shape[0], domainSize, domainSize)
Xmin = Xcoords[extent[0]]
Ymin = Ycoords[extent[1]]
Xmax = Xcoords[extent[2]]
Ymax = Ycoords[extent[3]]
extent = (Xmin, Xmax, Ymin, Ymax)
subXcoords = np.arange(Xmin,Xmax,1000)
subYcoords = np.arange(Ymin,Ymax,1000)
# Extract timestamps
idxKeep1 = timestamps >= ti.timestring2datetime(startValidTimeStr)
idxKeep2 = timestamps <= ti.timestring2datetime(endValidTimeStr)
cosmo1_data = cosmo1_data[idxKeep1*idxKeep2,:,:]
timestamps = timestamps[idxKeep1*idxKeep2]
testplot=False
if testplot:
n=0
while n<100:
n+=1
for t in xrange(timestamps.shape[0]):
plt.clf()
plt.imshow(cosmo1_data[t,:,:],interpolation ='nearest',vmin=0,vmax=65, extent=[subXcoords.min(), subXcoords.max(), subYcoords.min(), subYcoords.max()])
plt.title(timestamps[t])
plt.pause(1)
return cosmo1_data, timestamps, subXcoords, subYcoords
