netcdf ena180varanaecmwfC1.c1.20170601.000000 {
dimensions:
	time = UNLIMITED ; // (2184 currently)
	lev = 45 ;
variables:
	float base_time ;
		base_time:long_name = "Base time in Epoch" ;
		base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ;
		base_time:string = " " ;
		base_time:ancillary_variables = "time_offset" ;
	double time_offset(time) ;
		time_offset:long_name = "Time offset from base_time" ;
		time_offset:units = "seconds since 2017-6-1 0:00:00 0:00" ;
		time_offset:ancillary_variables = "base_time" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "calendar day fraction of the year 2017" ;
		time:calendar = "gregorian" ;
		time:axis = "T" ;
	float phis ;
		phis:long_name = "Surface geopential height" ;
		phis:units = "m2/s2" ;
	float lev(lev) ;
		lev:long_name = "pressure levels" ;
		lev:units = "mb" ;
	float T(time, lev) ;
		T:long_name = "Temperature" ;
		T:units = "K" ;
		T:standard_name = "air_temperature" ;
		T:variable_source = "ERA5 reanalysis/analysis" ;
		T:missing_value = -9999.f ;
	float q(time, lev) ;
		q:long_name = "Water vapor mixing ratio" ;
		q:units = "g/kg" ;
		q:standard_name = "humidity_mixing_ratio" ;
		q:variable_source = "ERA5 reanalysis/analysis" ;
		q:missing_value = -9999.f ;
	float u(time, lev) ;
		u:long_name = "Horizontal wind U component" ;
		u:units = "m/s" ;
		u:standard_name = "eastward_wind" ;
		u:variable_source = "ERA5 reanalysis/analysis" ;
		u:missing_value = -9999.f ;
	float v(time, lev) ;
		v:long_name = "Horizontal wind V component" ;
		v:units = "m/s" ;
		v:standard_name = "northward_wind" ;
		v:variable_source = "ERA5 reanalysis/analysis" ;
		v:missing_value = -9999.f ;
	float omega(time, lev) ;
		omega:long_name = "Vertical velocity" ;
		omega:units = "mb/hr" ;
		omega:standard_name = "lagrangian_tendency_of_air_pressure" ;
		omega:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		omega:missing_value = -9999.f ;
	float div(time, lev) ;
		div:long_name = "Horizontal wind divergence" ;
		div:units = "1/s" ;
		div:standard_name = "divergence_of_wind" ;
		div:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		div:missing_value = -9999.f ;
	float T_adv_h(time, lev) ;
		T_adv_h:long_name = "Horizontal Temperature advection" ;
		T_adv_h:units = "K/hr" ;
		T_adv_h:standard_name = "tendency_of_air_temperature_due_to_advection" ;
		T_adv_h:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		T_adv_h:missing_value = -9999.f ;
	float T_adv_v(time, lev) ;
		T_adv_v:long_name = "Vertical Temperature advection" ;
		T_adv_v:units = "K/hr" ;
		T_adv_v:standard_name = "tendency_of_air_temperature_due_to_advection" ;
		T_adv_v:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		T_adv_v:missing_value = -9999.f ;
	float q_adv_h(time, lev) ;
		q_adv_h:long_name = "Horizontal q advection" ;
		q_adv_h:units = "g/kg/hr" ;
		q_adv_h:standard_name = " " ;
		q_adv_h:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		q_adv_h:missing_value = -9999.f ;
	float q_adv_v(time, lev) ;
		q_adv_v:long_name = "Vertical q advection" ;
		q_adv_v:units = "g/kg/hr" ;
		q_adv_v:standard_name = " " ;
		q_adv_v:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		q_adv_v:missing_value = -9999.f ;
	float s(time, lev) ;
		s:long_name = "Dry satic energy/Cp" ;
		s:units = "K" ;
		s:standard_name = " " ;
		s:variable_source = "ERA5 reanalysis/analysis" ;
		s:missing_value = -9999.f ;
	float s_adv_h(time, lev) ;
		s_adv_h:long_name = "Horizontal dry static energy advection/Cp" ;
		s_adv_h:units = "K/hr" ;
		s_adv_h:standard_name = " " ;
		s_adv_h:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		s_adv_h:missing_value = -9999.f ;
	float s_adv_v(time, lev) ;
		s_adv_v:long_name = "Vertical dry static energy advection/Cp" ;
		s_adv_v:units = "K/hr" ;
		s_adv_v:standard_name = " " ;
		s_adv_v:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		s_adv_v:missing_value = -9999.f ;
	float dsdt(time, lev) ;
		dsdt:long_name = "Derivative of dry static energy/Cp with respect to time" ;
		dsdt:units = "K/hr" ;
		dsdt:standard_name = " " ;
		dsdt:variable_source = "ERA5 reanalysis/analysis" ;
		dsdt:missing_value = -9999.f ;
	float dTdt(time, lev) ;
		dTdt:long_name = "Derivative of air temperature with respect to time" ;
		dTdt:units = "K/hr" ;
		dTdt:standard_name = "tendency_of_air_temperature" ;
		dTdt:variable_source = "ERA5 reanalysis/analysis" ;
		dTdt:missing_value = -9999.f ;
	float dqdt(time, lev) ;
		dqdt:long_name = "Derivative of water vapor mixing ratio with respect to time" ;
		dqdt:units = "g/kg/hr" ;
		dqdt:standard_name = " " ;
		dqdt:variable_source = "ERA5 reanalysis/analysis" ;
		dqdt:missing_value = -9999.f ;
	float q1(time, lev) ;
		q1:long_name = "Apparent heat sources Yanai (1973)" ;
		q1:units = "K/hr" ;
		q1:standard_name = " " ;
		q1:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		q1:missing_value = -9999.f ;
	float q2(time, lev) ;
		q2:long_name = "Apparent moisture sinks Yanai (1973)" ;
		q2:units = "K/hr" ;
		q2:standard_name = " " ;
		q2:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		q2:missing_value = -9999.f ;
	float prec_srf(time) ;
		prec_srf:long_name = "Surface precipitation" ;
		prec_srf:units = "mm/hr" ;
		prec_srf:standard_name = "lwe_precipitation_rate" ;
		prec_srf:variable_source = "Averaged from surface MET stations" ;
		prec_srf:missing_value = -9999.f ;
	float LH(time) ;
		LH:long_name = "Surface latent heat flux, upward positive" ;
		LH:units = "W/m2" ;
		LH:standard_name = "surface_upward_latent_heat_flux" ;
		LH:variable_source = "Derived from buoy observations" ;
		LH:missing_value = -9999.f ;
	float SH(time) ;
		SH:long_name = "Surface sensible heat flux,upward positive" ;
		SH:units = "W/m2" ;
		SH:standard_name = "surface_upward_sensible_heat_flux" ;
		SH:variable_source = "Derived from buoy observations" ;
		SH:missing_value = -9999.f ;
	float p_srf_aver(time) ;
		p_srf_aver:long_name = "Surface pressure averaged over the domain" ;
		p_srf_aver:units = "mb" ;
		p_srf_aver:standard_name = " " ;
		p_srf_aver:variable_source = "ERA5 reanalysis/analysis" ;
		p_srf_aver:missing_value = -9999.f ;
	float p_srf_center(time) ;
		p_srf_center:long_name = "Surface pressure at center of the domain" ;
		p_srf_center:units = "mb" ;
		p_srf_center:standard_name = " " ;
		p_srf_center:variable_source = "ERA5 reanalysis/analysis" ;
		p_srf_center:missing_value = -9999.f ;
	float T_srf(time) ;
		T_srf:long_name = "Surface air temperature" ;
		T_srf:units = "degC" ;
		T_srf:standard_name = "air_temperature" ;
		T_srf:sensor_height = "2 m" ;
		T_srf:variable_source = "ERA5 reanalysis/analysis" ;
		T_srf:missing_value = -9999.f ;
	float T_soil(time) ;
		T_soil:long_name = "Soil temperature" ;
		T_soil:units = "degC" ;
		T_soil:standard_name = "soil_temperature" ;
		T_soil:variable_source = " " ;
		T_soil:missing_value = -9999.f ;
	float RH_srf(time) ;
		RH_srf:long_name = "Surface air relative humidity" ;
		RH_srf:units = "%" ;
		RH_srf:standard_name = "relative_humidity" ;
		RH_srf:sensor_height = "2 m" ;
		RH_srf:variable_source = "ERA5 reanalysis/analysis" ;
		RH_srf:missing_value = -9999.f ;
	float wspd_srf(time) ;
		wspd_srf:long_name = "Surface wind speed" ;
		wspd_srf:units = "m/s" ;
		wspd_srf:standard_name = "wind_speed" ;
		wspd_srf:sensor_height = "10 m" ;
		wspd_srf:variable_source = "ERA5 reanalysis/analysis" ;
		wspd_srf:missing_value = -9999.f ;
	float u_srf(time) ;
		u_srf:long_name = "Surface U component" ;
		u_srf:units = "m/s" ;
		u_srf:standard_name = "eastward_wind" ;
		u_srf:sensor_height = "10 m" ;
		u_srf:variable_source = "ERA5 reanalysis/analysis" ;
		u_srf:missing_value = -9999.f ;
	float v_srf(time) ;
		v_srf:long_name = "Surface V component" ;
		v_srf:units = "m/s" ;
		v_srf:standard_name = "northward_wind" ;
		v_srf:sensor_height = "10 m" ;
		v_srf:variable_source = "ERA5 reanalysis/analysis" ;
		v_srf:missing_value = -9999.f ;
	float rad_net_srf(time) ;
		rad_net_srf:long_name = "Surface net radiation, Downward" ;
		rad_net_srf:units = "W/m2" ;
		rad_net_srf:standard_name = "toa_net_downward_radiative_flux" ;
		rad_net_srf:variable_source = "ERA5 reanalysis/analysis" ;
		rad_net_srf:missing_value = -9999.f ;
	float lw_net_toa(time) ;
		lw_net_toa:long_name = "Satellite-measured TOA LW flux, upward positive" ;
		lw_net_toa:units = "W/m2" ;
		lw_net_toa:standard_name = "toa_net_upward_longwave_flux" ;
		lw_net_toa:variable_source = "GOES VISST" ;
		lw_net_toa:missing_value = -9999.f ;
	float sw_net_toa(time) ;
		sw_net_toa:long_name = "Satellite-measured TOA net SW flux, downward positive" ;
		sw_net_toa:units = "W/m2" ;
		sw_net_toa:standard_name = "toa_net_downward_shortwave_flux" ;
		sw_net_toa:variable_source = "GOES VISST" ;
		sw_net_toa:missing_value = -9999.f ;
	float sw_dn_toa(time) ;
		sw_dn_toa:long_name = "Satellite-measured TOA solar insolation" ;
		sw_dn_toa:units = "W/m2" ;
		sw_dn_toa:standard_name = " " ;
		sw_dn_toa:variable_source = "GOES VISST" ;
		sw_dn_toa:missing_value = -9999.f ;
	float cld_low(time) ;
		cld_low:long_name = "Satellite-measured low level cloud" ;
		cld_low:units = "%" ;
		cld_low:standard_name = " " ;
		cld_low:variable_source = "GOES VISST" ;
		cld_low:missing_value = -9999.f ;
	float cld_mid(time) ;
		cld_mid:long_name = "Satellite-measured middle level cloud" ;
		cld_mid:units = "%" ;
		cld_mid:standard_name = " " ;
		cld_mid:variable_source = "GOES VISST" ;
		cld_mid:missing_value = -9999.f ;
	float cld_high(time) ;
		cld_high:long_name = "Satellite-measured high level cloud" ;
		cld_high:units = "%" ;
		cld_high:standard_name = " " ;
		cld_high:variable_source = "GOES VISST" ;
		cld_high:missing_value = -9999.f ;
	float cld_tot(time) ;
		cld_tot:long_name = "Satellite-measured total cloud" ;
		cld_tot:units = "%" ;
		cld_tot:standard_name = " " ;
		cld_tot:variable_source = "GOES VISST" ;
		cld_tot:missing_value = -9999.f ;
	float cld_thick(time) ;
		cld_thick:long_name = "Satellite-measured cloud thickness" ;
		cld_thick:units = "km" ;
		cld_thick:standard_name = " " ;
		cld_thick:variable_source = "GOES VISST" ;
		cld_thick:missing_value = -9999.f ;
	float cld_top(time) ;
		cld_top:long_name = "Satellite-measured cloud top" ;
		cld_top:units = "km" ;
		cld_top:standard_name = "cloud_top_altitude" ;
		cld_top:variable_source = "GOES VISST" ;
		cld_top:missing_value = -9999.f ;
	float LWP(time) ;
		LWP:long_name = "Cloud liquid water path" ;
		LWP:units = "cm" ;
		LWP:standard_name = "atmosphere_mass_content_of_cloud_liquid_water" ;
		LWP:variable_source = "ERA5 reanalysis/analysis" ;
		LWP:missing_value = -9999.f ;
	float dh2odt_col(time) ;
		dh2odt_col:long_name = "Column-integrated derivative of H2O with respect to time" ;
		dh2odt_col:units = "mm/hr" ;
		dh2odt_col:standard_name = " " ;
		dh2odt_col:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		dh2odt_col:missing_value = -9999.f ;
	float h2o_adv_col(time) ;
		h2o_adv_col:long_name = "Column-integrated H2O advection" ;
		h2o_adv_col:units = "mm/hr" ;
		h2o_adv_col:standard_name = " " ;
		h2o_adv_col:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		h2o_adv_col:missing_value = -9999.f ;
	float evap_srf(time) ;
		evap_srf:long_name = "Surface evaporation" ;
		evap_srf:units = "mm/hr" ;
		evap_srf:standard_name = "lwe_water_evaporation_rate_at_surface" ;
		evap_srf:variable_source = "Derived from LH" ;
		evap_srf:missing_value = -9999.f ;
	float dsdt_col(time) ;
		dsdt_col:long_name = "Column derivative of dry static energy/Cp with respect to time" ;
		dsdt_col:units = "W/m2" ;
		dsdt_col:standard_name = " " ;
		dsdt_col:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		dsdt_col:missing_value = -9999.f ;
	float s_adv_col(time) ;
		s_adv_col:long_name = "Column dry static energy advection" ;
		s_adv_col:units = "W/m2" ;
		s_adv_col:standard_name = " " ;
		s_adv_col:variable_source = "Derived from ERA5 reanalysis/analysis" ;
		s_adv_col:missing_value = -9999.f ;
	float rad_heat_col(time) ;
		rad_heat_col:long_name = "Column radiative heating" ;
		rad_heat_col:units = "W/m2" ;
		rad_heat_col:standard_name = " " ;
		rad_heat_col:variable_source = "ERA5 reanalysis/analysis and GOES VISST" ;
		rad_heat_col:missing_value = -9999.f ;
	float LH_col(time) ;
		LH_col:long_name = "Column latent heating" ;
		LH_col:units = "W/m2" ;
		LH_col:standard_name = " " ;
		LH_col:variable_source = "Derived from surface precipitation" ;
		LH_col:missing_value = -9999.f ;
	float omega_srf(time) ;
		omega_srf:long_name = "Surface omega" ;
		omega_srf:units = "mb/hr" ;
		omega_srf:standard_name = "lagrangian_tendency_of_air_pressure" ;
		omega_srf:variable_source = "Set to zero" ;
		omega_srf:missing_value = -9999.f ;
	float q_srf(time) ;
		q_srf:long_name = "Water vapor mixing ratio at the near-surface" ;
		q_srf:units = "kg/kg" ;
		q_srf:standard_name = "humidity_mixing_ratio" ;
		q_srf:sensor_height = "2 m" ;
		q_srf:variable_source = "ERA5 reanalysis/analysis" ;
		q_srf:missing_value = -9999.f ;
	float s_srf(time) ;
		s_srf:long_name = "Dry static energy/Cp at the near-surface" ;
		s_srf:units = "K" ;
		s_srf:standard_name = " " ;
		s_srf:sensor_height = "2 m" ;
		s_srf:variable_source = "ERA5 reanalysis/analysis" ;
		s_srf:missing_value = -9999.f ;
	float PW(time) ;
		PW:long_name = "Column precipitable water" ;
		PW:units = "cm" ;
		PW:standard_name = "lwe_thickness_of_atmosphere_water_vapor_content" ;
		PW:variable_source = " " ;
		PW:missing_value = -9999.f ;
	float lw_net_srf(time) ;
		lw_net_srf:long_name = "Surface net longwave (downward)" ;
		lw_net_srf:units = "W/m2" ;
		lw_net_srf:standard_name = "surface_net_downward_longwave_flux" ;
		lw_net_srf:variable_source = "ERA5 reanalysis/analysis" ;
		lw_net_srf:missing_value = -9999.f ;
	float lw_dn_srf(time) ;
		lw_dn_srf:long_name = "Surface downwelling longwave" ;
		lw_dn_srf:units = "W/m2" ;
		lw_dn_srf:standard_name = "surface_downwelling_longwave_flux_in_air" ;
		lw_dn_srf:variable_source = "ERA5 reanalysis/analysis" ;
		lw_dn_srf:missing_value = -9999.f ;
	float sw_net_srf(time) ;
		sw_net_srf:long_name = "Surface net shortwave (downward)" ;
		sw_net_srf:units = "W/m2" ;
		sw_net_srf:standard_name = "surface_net_downward_shortwave_flux" ;
		sw_net_srf:variable_source = "ERA5 reanalysis/analysis" ;
		sw_net_srf:missing_value = -9999.f ;
	float sw_dn_srf(time) ;
		sw_dn_srf:long_name = "Surface downwelling shortwave" ;
		sw_dn_srf:units = "W/m2" ;
		sw_dn_srf:standard_name = "surface_downwelling_shortwave_flux_in_air" ;
		sw_dn_srf:variable_source = "ERA5 reanalysis/analysis" ;
		sw_dn_srf:missing_value = -9999.f ;
	float T_skin(time) ;
		T_skin:long_name = "Surface skin temperature" ;
		T_skin:units = "degC" ;
		T_skin:standard_name = "surface_temperature" ;
		T_skin:variable_source = "ERA5 reanalysis/analysis" ;
		T_skin:missing_value = -9999.f ;
	float lat ;
		lat:long_name = "North latitude" ;
		lat:units = "degrees_N" ;
		lat:standard_name = "latitude" ;
		lat:valid_min = "-90.0" ;
		lat:valid_max = "90.0" ;
	float lon ;
		lon:long_name = "East longitude " ;
		lon:units = "degree_E" ;
		lon:standard_name = "longitude" ;
		lon:valid_min = "-180.0" ;
		lon:valid_max = "180.0" ;
	float alt ;
		alt:long_name = "Altitude above mean sea level" ;
		alt:units = "m" ;
		alt:standard_name = "altitude" ;

// global attributes:
		:command_line = " " ;
		:Conventions = "ARM-1.2" ;
		:process_version = " " ;
		:dod_version = " " ;
		:input_datastreams = " " ;
		:data_level = " " ;
		:datastream = " " ;
		:site_id = " " ;
		:platform_id = " " ;
		:facility_id = " " ;
		:location_description = " " ;
		:doi = "10.5439/1602289" ;
		:title = "3-hourly VarAna for ACE-ENA June 2017 to February 2018" ;
		:description = "This forcing data is based on ERA5 reanalysis/analysis, but with observations incorporated into the variational analysis. The observations include rain gauge precipitation, VISST TOA fluxes, and buoy data derived sensible and latent heat flux" ;
		:date_created = "Wed Mar 18 18:57:38 2020" ;
		:references = "http://science.arm.gov/wg/cpm/scm/data.html" ;
		:note = "Data below the surface are set to the value of the lowest level above surface.  Please use surface pressure to determine the surface level" ;
}