{
	"_comment": "This JSON file contains mandatory structure|information to be contained in  C3S NetCDF files - Seasonal",
	"_author": "C.Bergeron",
	"_source": "",


	"mandatory_cf_convention": "CF-1.6 C3S-0.1",
	"mandatory_netcdf_format": "NETCDF4_CLASSIC",
	"mandatory_number_datavariable_per_netcdf": 1,
	"mandatory_dimensions": ["lat", "lon"],
	"authorized_other_dimensions": ["plev", "depth", "height", "realization", "time", "time_bnds", "leadtime_bnds", "lat_bnds", 
    "lon_bnds", "depth_bnds", "str31", "leadtime"],


	"mandatory_attributes_per_standardname": {
		"time": ["units", "calendar", "long_name", "standard_name"],
		"reftime": ["units", "calendar", "long_name", "standard_name"],
		"leadtime": ["units", "long_name", "standard_name"],
		"latitude": ["axis", "units", "long_name", "valid_min", "valid_max", "bounds", "standard_name"],
		"longitude": ["axis", "units", "long_name", "valid_min", "valid_max", "bounds", "standard_name"],
		"air_pressure": ["axis", "units", "long_name", "positive", "standard_name"],
		"depth": ["axis", "units", "long_name", "positive", "bounds", "standard_name"],
		"height": ["axis", "units", "long_name", "positive", "valid_min", "valid_max", "standard_name"],
		"realization": ["units", "axis", "standard_name", "long_name"]
	},




	"mandatory_attributes_values": {
		"calendar": ["gregorian"]

	},

	"mandatory_attributes_values_per_variablename": {

		"lat": {
			"units": "degrees_north",
			"long_name": "latitude",
            "standard_name" : "latitude",
			"dimensions": ["lat"],
			"Axis": "Y",
			"valid_min": -90.0,
			"valid_max": 90.0,
			"bounds": "lat_bnds"
		},
        
		"lon": {
			"units": "degrees_east",
			"long_name": "longitude",
            "standard_name" : "longitude",
			"dimensions": ["lon"],
			"Axis": "X",
			"valid_min": 0.0,
			"valid_max": 360.0,
			"bounds": "lon_bnds"
		},

		"plev": {
			"units": "Pa",
			"long_name": "pressure",
            "standard_name" : "air_pressure",
			"dimensions": ["plev"],
			"Axis": "Z",
			"positive": "down"
		},

		"depth": {
			"units": "m",
			"long_name": "depth",
			"dimensions": ["depth"],
			"Axis": "Z",
			"positive": "down"
		},

		"height": {
			"units": "m",
			"long_name": "height",
			"Axis": "Z",
			"positive": "up"
		},

		"realization": {
			"units": "1",
			"long_name": "realization",
			"axis": "E",
            "standard_name" : "realization",
			"dimensions": ["str31"]
		},

		"reftime": {
			"long_name": "Start date of the forecast",
            "standard_name": "forecast_reference_time",
			"calendar": "gregorian"
		},

		"leadtime": {
			"long_name": "Time elapsed since the start of the forecast",
            "standard_name": "forecast_period",
			"dimensions": ["leadtime"],
			"bounds": "leadtime_bnds"
		},

		"time": {
			"long_name": "Verification time of the forecast",
			"dimensions": ["leadtime"],
			"calendar": "gregorian",
			"bounds": "time_bnds"
		},
        
        "hcrs": {
               "grid_mapping_name" : "latitude_longitude" 
        },
        
		"sftlf": {
			"units": "1",
			"grid_mapping": "hcrs",
			"long_name": "Land Area Fraction",
			"coordinates": "lat lon",
			"valid_min": 0,
			"valid_max": 1,
			"dimensions": ["lat","lon"],
            "frequency":"fix",
            "level_type": "surface",
            "modeling_realm":"atmos", 
            "bounds": ["lat_bnds","lon_bnds"]
		},

		"orog": {
			"units": "m",
			"grid_mapping": "hcrs",
			"long_name": "Surface Altitude",
			"coordinates": "lat lon",
			"dimensions": ["lat","lon"],
            "frequency":"fix",
            "level_type": "surface",
            "modeling_realm":"atmos",
            "bounds": ["lat_bnds","lon_bnds"]             
		},

		"tas": {
			"long_name": "Near-Surface Air Temperature",
			"units": "K",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name": "air_temperature",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]            
		},

		"tasmax": {
			"long_name": "Daily Maximum Near-Surface Air Temperature",
			"units": "K",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name": "air_temperature",
            "cell_methods": "(leadtime: maximum$|(leadtime: maximum \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",          
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]              
		},

		"tasmin": {
			"long_name": "Daily Minimum Near-Surface Air Temperature",
			"units": "K",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name": "air_temperature",
            "cell_methods": "(leadtime: minimum$|(leadtime: minimum \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",
   			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]              
		},

		"tdps": {
			"long_name": "2m Dewpoint Temperature",
			"units": "K",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name": "dew_point_temperature",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"atmos",
            "cellmethods": "leadtime: point",
            "bounds": ["lat_bnds","lon_bnds"]              
		},

		"uas": {
			"long_name": "Eastward Near-Surface Wind",
			"units": "m s-1",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name":"x_wind",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",           
            "modeling_realm":"atmos"              
		},

		"vas": {
			"long_name": "Northward Near-Surface Wind",
			"units": "m s-1",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name":"y_wind",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]              
		},

		"wsgmax": {
			"long_name": "Maximum Wind Speed of Gust",
			"units": "m s-1",
			"coordinates": "reftime realization time leadtime height lat lon",
            "standard_name":"wind_speed_of_gust",
            "cell_methods": "(leadtime: maximum$|(leadtime: maximum \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"atmos",          
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]              
		},

		"psl": {
			"long_name": "Sea Level Pressure",
			"units": "Pa",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name": "air_pressure_at_sea_level",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds"]            
		},

		"clt": {
			"long_name": "Total Cloud Fraction",
			"units": "1",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name": "cloud_area_fraction",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds"]            
		},

		"tsl": {
			"long_name": "Temperature of Soil",
			"units": "K",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name": "soil_temperature",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"land",           
            "bounds": ["lat_bnds","lon_bnds"]             
            
		},

		"tso": {
			"long_name": "Sea Surface Temperature",
			"units": "K",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"sea_surface_temperature",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"ocean",             
            "bounds": ["lat_bnds","lon_bnds"] 
		},
        
		"sitemptop": {
			"long_name": "Surface Temperature of Sea Ice",
			"units": "K",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"sea_ice_temperature", 
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"6hr",
            "level_type": "surface",
            "modeling_realm":"seaIce",             
            "bounds": ["lat_bnds","lon_bnds"]             
		},

		"sic": {
			"long_name": "Sea Ice Area Fraction",
			"units": "1",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"sea_ice_area_fraction",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"seaIce",             
            "bounds": ["lat_bnds","lon_bnds"]            
		},

		"mrlsl": {
			"long_name": "Water Content per Unit Area of Soil Layers",
			"units": "kg m-2",
			"coordinates": "reftime realization time leadtime depth lat lon",
            "standard_name":"moisture_content_of_soil_layer",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "depth", "lat", "lon"],
            "frequency":"day",
            "level_type": "soil",
            "modeling_realm":"land",            
            "bounds": ["lat_bnds","lon_bnds"]           
		},

		"lwesnw": {
			"long_name": "Liquid Water Equivalent Thickness of Surface Snow Amount",
			"units": "m",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"lwe_thickness_of_surface_snow_amount",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"land",            
            "bounds": ["lat_bnds","lon_bnds"]     
		},

		"rhosn": {
			"long_name": "Snow Density",
			"units": "kg m-3",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"snow_density",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"land",             
            "bounds": ["lat_bnds","lon_bnds"]                         
		},

		"lweprs": {
			"long_name": "Liquid Water Equivalent Thickness of Stratiform Precipitation Amount",
			"units": "m",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"lwe_thickness_of_stratiform_precipitation_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]
                         
		},

		"lweprc": {
			"long_name": "Liquid Water Equivalent Thickness of Convective Precipitation Amount",
			"units": "m",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"lwe_thickness_of_convective_precipitation_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},

		"lwepr": {
			"long_name": "Liquid Water Equivalent Thickness of Total Precipitation Amount",
			"units": "m",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"lwe_thickness_of_precipitation_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]
		},

		"lweprsn": {
			"long_name": "Liquid Water Equivalent Thickness of Snowfall Amount",
			"units": "m",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"lwe_thickness_of_snowfall_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]
		},

		"hfss": {
			"long_name": "Surface Upward Sensible Heat Flux",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_upward_sensible_heat_flux",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]            
		},

		"hfls": {
			"long_name": "Surface Upward Latent Heat Flux",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_upward_latent_heat_flux",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos", 
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},
        
		"rsds": {
			"long_name": "Surface Downwelling Shortwave Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_downwelling_shortwave_flux_in_air",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",             
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"] 
		},
        
		"rlds": {
			"long_name": "Surface Downwelling Longwave Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_downwelling_longwave_flux_in_air",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",                        
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"] 
		},

		"rss": {
			"long_name": "Net Shortwave Surface Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",
            "standard_name":"surface_net_downward_shortwave_flux",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",              
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},

		"rls": {
			"long_name": "Net Longwave Surface Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_net_downward_longwave_flux",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},

		"rst": {
			"long_name": "TOA Net Shortwave Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"toa_net_downward_shortwave_flux",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",             
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},

		"rlt": {
			"long_name": "TOA Net Longwave Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"toa_net_downward_longwave_flux",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",              
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},

		"rsdt": {
			"long_name": "TOA Incident Shortwave Radiation",
			"units": "W m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"toa_incoming_shortwave_flux",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",              
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},
        
		"tauu": {
			"long_name": "Surface Downward Eastward Wind Stress",
			"units": "Pa",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_downward_eastward_stress",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",              
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]             
		},
        
		"tauv": {
			"long_name": "Surface Downward Northward Wind Stress",
			"units": "Pa",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name": "surface_downward_northward_stress",
            "cell_methods": "(leadtime: mean$|(leadtime: mean \\(interval: ?[0-9]*?.?[0-9]?[0-9] ?[a-z]*?\\)))",            
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],            
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"atmos",             
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"] 
		},

		"lwee": {
			"long_name": "Liquid Water Equivalent Thickness of Evaporation Amount",
			"units": "m",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name": "lwe_thickness_of_water_evaporation_amount",
			"cell_methods": "leadtime: sum",             
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"land" ,          
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]            
		},

		"mrroa": {
			"long_name": "Total Run-off Amount",
			"units": "kg m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name": "runoff_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"land",           
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]               
		},
        
		"mrroas": {
			"long_name": "Surface Run-off Amount",
			"units": "kg m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"surface_runoff_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"land",            
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]               
		},

		"mrroab": {
			"long_name": "Subsurface Run-off Amount",
			"units": "kg m-2",
			"coordinates": "reftime realization time leadtime lat lon",
            "standard_name":"subsurface_runoff_amount",
			"cell_methods": "leadtime: sum",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime","lat","lon"],
            "frequency":"day",
            "level_type": "surface",
            "modeling_realm":"land",            
            "bounds": ["lat_bnds","lon_bnds","time_bnds","leadtime_bnds"]               
		},

		"zg": {
			"long_name": "Geopotential Height",
			"units": "m",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name":"geopotential_height",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]               
		},
        
		"ta": {
			"long_name": "Air Temperature",
			"units": "K",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name": "air_temperature",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds"]             
		},

		"hus": {
			"long_name": "Specific Humidity",
			"units": "1",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name": "specific_humidity",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]             
		},

		"rv": {
			"long_name": "Relative Vorticity",
			"units": "s-1",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name": "atmospheric_relative_vorticity",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]             
		},

		"wnddiv": {
			"long_name": "Divergence of Wind",
			"units": "s-1",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name": "divergence_of_wind",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",           
            "bounds": ["lat_bnds","lon_bnds"]             
		},

		"ua": {
			"long_name": "Eastward Wind",
			"units": "m s-1",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name": "x_wind",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]             		
        },
        
		"va": {
			"long_name": "Northward Wind",
			"units": "m s-1",
			"coordinates": "reftime realization time leadtime plev lat lon",
            "standard_name": "y_wind",
			"cell_methods": "leadtime: point",
			"grid_mapping": "hcrs",
			"dimensions": ["leadtime", "plev", "lat", "lon"],
            "frequency":"12hr",
            "level_type": "pressure",
            "modeling_realm":"atmos",            
            "bounds": ["lat_bnds","lon_bnds"]             
		}


	},


	"mandatory_global_attributes": ["Conventions", "comment", "summary", 
		"title", "forecast_type", "institute_id", "project", "source", "contact", "references", "forecast_reference_time", "keywords",
		"creation_date", "institution", "history", "modeling_realm", "frequency", "level_type", "commit"
	],

	"mandatory_global_attributes_values": {


		"Conventions": ["CF-1.6 C3S-0.1"],
		"summary": ["Seasonal Forecast data produced by ECMWF as its contribution to the seasonal forecast activity of the Copernicus Climate Change Service (C3S). The data has global coverage with a 1-degree horizontal resolution and spans for around 6 months since the start date",
			"Seasonal Forecast data produced by Met Office as its contribution to the seasonal forecast activity of the Copernicus Climate Change Service (C3S). The data has global coverage with a 1-degree horizontal resolution and spans for around 6 months since the start date",
			"Seasonal Forecast data produced by Meteo-France as its contribution to the seasonal forecast activity of the Copernicus Climate Change Service (C3S). The data has global coverage with a 1-degree horizontal resolution and spans for around 6 months since the start date",
			"Seasonal Forecast data produced by DWD as its contribution to the seasonal forecast activity of the Copernicus Climate Change Service (C3S). The data has global coverage with a 1-degree horizontal resolution and spans for around 6 months since the start date",
			"Seasonal Forecast data produced by CMCC as its contribution to the seasonal forecast activity of the Copernicus Climate Change Service (C3S). The data has global coverage with a 1-degree horizontal resolution and spans for around 6 months since the start date"
		],
		"title": ["ECMWF seasonal forecast model output prepared for C3S", "Met Office seasonal forecast model output prepared for C3S",
			"Meteo-France seasonal forecast model output prepared for C3S", "DWD seasonal forecast model output prepared for C3S",
			"CMCC seasonal forecast model output prepared for C3S"
		],
		"forecast_type": ["forecast", "hindcast"],
		"institute_id": ["ecmf", "egrr", "lfpw", "edzw", "cmcc"],
		"project": ["C3S Seasonal Forecast"],

		"contact": ["http://copernicus-support.ecmwf.int"],
      
		"keywords": ["Seasonal Forecasts, C3S, ECMWF, Copernicus, Climate Change, Climate Services, Earth Science Services, Environmental Advisories, Climate Advisories"],
		"institution": ["ECMWF, European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom",
			"Met Office, Exeter, United Kingdom",
			"Meteo-France, Toulouse, France",
			"DWD, Deutscher Wetterdienst, Offenbach, Germany",
			"CMCC, Centro Euro-Mediterraneo sui Cambiamenti Climatici, Bologna, Italy"
		],
		"history": [""],
		"modeling_realm": ["atmos", "ocean", "land", "landIce", "seaIce", "aerosol", "atmosChem", "ocnBgchem"],
		"frequency": ["mon", "day", "12hr", "6hr", "fix"],
		"level_type": ["surface", "pressure", "soil"]
	},
    
        "mandatory_global_attributes_values_list": {
                        "keywords": ["Seasonal Forecasts", "C3S", "ECMWF", "Copernicus", "Climate Change", "Climate Services", "Earth Science Services", "Environmental Advisories", "Climate Advisories"]

        },
                "mandatory_global_attributes_values_date": {
                        "creation_date": "%Y-%m-%dT%H:%M:%SZ",
                        "forecast_reference_time": "%Y-%m-%dT%H:%M:%SZ"

        },
                "mandatory_global_attributes_values_pattern": {
                         "creation_date": "\\d\\d\\d\\d-\\d\\d-\\d\\dT\\d\\d:\\d\\d:\\d\\dZ",
                        "forecast_reference_time": "\\d\\d\\d\\d-\\d\\d-\\d\\dT\\d\\d:\\d\\d:\\d\\dZ"



        }
                

}
