netcdf sgpthwapsC1.b1.20160126.000000 { dimensions: time = UNLIMITED ; // (194 currently) variables: int base_time ; base_time:string = "2016-01-26 00:00:00 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2016-01-26 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2016-01-26 00:00:00 0:00" ; time:standard_name = "time" ; float pres(time) ; pres:long_name = "Atmospheric pressure" ; pres:units = "hPa" ; pres:standard_name = "surface_air_pressure" ; pres:valid_min = 800.f ; pres:valid_max = 1100.f ; pres:resolution = 0.1f ; pres:missing_value = -9999.f ; int qc_pres(time) ; qc_pres:long_name = "Quality check results on field: Atmospheric pressure" ; qc_pres:units = "unitless" ; qc_pres:description = "See global attributes for individual bit descriptions." ; float temp(time) ; temp:long_name = "Temperature" ; temp:units = "degC" ; temp:standard_name = "air_temperature" ; temp:valid_min = -40.f ; temp:valid_max = 50.f ; temp:resolution = 0.1f ; temp:missing_value = -9999.f ; int qc_temp(time) ; qc_temp:long_name = "Quality check results on field: Temperature" ; qc_temp:units = "unitless" ; qc_temp:description = "See global attributes for individual bit descriptions." ; float rh(time) ; rh:long_name = "Relative humidity" ; rh:units = "%" ; rh:standard_name = "relative_humidity" ; rh:valid_min = -2.f ; rh:valid_max = 104.f ; rh:resolution = 1.f ; rh:missing_value = -9999.f ; int qc_rh(time) ; qc_rh:long_name = "Quality check results on field: Relative humidity" ; qc_rh:units = "unitless" ; qc_rh:description = "See global attributes for individual bit descriptions." ; float vap_pres(time) ; vap_pres:long_name = "Vapor pressure" ; vap_pres:units = "kPa" ; vap_pres:standard_name = "water_vapor_partial_pressure_in_air" ; vap_pres:valid_min = 0.f ; vap_pres:valid_max = 10.f ; vap_pres:resolution = 0.001f ; vap_pres:missing_value = -9999.f ; int qc_vap_pres(time) ; qc_vap_pres:long_name = "Quality check results on field: Vapor pressure" ; qc_vap_pres:units = "unitless" ; qc_vap_pres:description = "See global attributes for individual bit descriptions." ; float wspd(time) ; wspd:long_name = "Mean wind speed" ; wspd:units = "m/s" ; wspd:standard_name = "wind_speed" ; wspd:valid_min = 0.f ; wspd:valid_max = 45.f ; wspd:resolution = 0.1f ; wspd:missing_value = -9999.f ; int qc_wspd(time) ; qc_wspd:long_name = "Quality check results on field: Mean wind speed" ; qc_wspd:units = "unitless" ; qc_wspd:description = "See global attributes for individual bit descriptions." ; float wdir(time) ; wdir:long_name = "Unit vector wind direction" ; wdir:units = "degree" ; wdir:standard_name = "wind_from_direction" ; wdir:valid_min = 0.f ; wdir:valid_max = 360.f ; wdir:resolution = 1.f ; wdir:missing_value = -9999.f ; int qc_wdir(time) ; qc_wdir:long_name = "Quality check results on field: Unit vector wind direction" ; qc_wdir:units = "unitless" ; qc_wdir:description = "See global attributes for individual bit descriptions." ; float sd_wdir(time) ; sd_wdir:long_name = "Standard deviation of wind direction" ; sd_wdir:units = "degree" ; sd_wdir:valid_min = 0.f ; sd_wdir:valid_max = 90.f ; sd_wdir:resolution = 1.f ; sd_wdir:missing_value = -9999.f ; int qc_sd_wdir(time) ; qc_sd_wdir:long_name = "Quality check results on field: Standard deviation of wind direction" ; qc_sd_wdir:units = "unitless" ; qc_sd_wdir:description = "See global attributes for individual bit descriptions." ; float sd_pres(time) ; sd_pres:long_name = "Standard deviation of atmospheric pressure" ; sd_pres:units = "hPa" ; sd_pres:valid_min = 0.f ; sd_pres:resolution = 0.1f ; sd_pres:missing_value = -9999.f ; int qc_sd_pres(time) ; qc_sd_pres:long_name = "Quality check results on field: Standard deviation of atmospheric pressure" ; qc_sd_pres:units = "unitless" ; qc_sd_pres:description = "See global attributes for individual bit descriptions." ; float sd_temp(time) ; sd_temp:long_name = "Standard deviation of temperature" ; sd_temp:units = "degC" ; sd_temp:valid_min = 0.f ; sd_temp:valid_max = 2.f ; sd_temp:resolution = 0.1f ; sd_temp:missing_value = -9999.f ; int qc_sd_temp(time) ; qc_sd_temp:long_name = "Quality check results on field: Standard deviation of temperature" ; qc_sd_temp:units = "unitless" ; qc_sd_temp:description = "See global attributes for individual bit descriptions." ; float sd_rh(time) ; sd_rh:long_name = "Standard deviation of relative humidity" ; sd_rh:units = "%" ; sd_rh:valid_min = 0.f ; sd_rh:valid_max = 20.f ; sd_rh:resolution = 1.f ; sd_rh:missing_value = -9999.f ; int qc_sd_rh(time) ; qc_sd_rh:long_name = "Quality check results on field: Standard deviation of relative humidity" ; qc_sd_rh:units = "unitless" ; qc_sd_rh:description = "See global attributes for individual bit descriptions." ; float sd_vap_pres(time) ; sd_vap_pres:long_name = "Standard deviation of vapor pressure" ; sd_vap_pres:units = "kPa" ; sd_vap_pres:valid_min = 0.f ; sd_vap_pres:resolution = 0.001f ; sd_vap_pres:missing_value = -9999.f ; int qc_sd_vap_pres(time) ; qc_sd_vap_pres:long_name = "Quality check results on field: Standard deviation of vapor pressure" ; qc_sd_vap_pres:units = "unitless" ; qc_sd_vap_pres:description = "See global attributes for individual bit descriptions." ; float vbat(time) ; vbat:long_name = "Battery voltage" ; vbat:units = "V" ; vbat:valid_min = 9.6f ; vbat:valid_max = 16.f ; vbat:resolution = 0.01f ; vbat:missing_value = -9999.f ; int qc_vbat(time) ; qc_vbat:long_name = "Quality check results on field: Battery voltage" ; qc_vbat:units = "unitless" ; qc_vbat:description = "See global attributes for individual bit descriptions." ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:standard_name = "latitude" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:standard_name = "longitude" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; // global attributes: :command_line = "thwaps_ingest -s sgp -f C1" ; :process_version = "ingest-thwaps-8.2-0.el6" ; :dod_version = "thwaps-b1-2.1" ; :input_source = "/data/collection/sgp/sgpthwapsC1.00/1453763400.icm" ; :site_id = "sgp" ; :platform_id = "thwaps" ; :facility_id = "C1" ; :data_level = "b1" ; :location_description = "Southern Great Plains (SGP), Lamont, Oklahoma" ; :datastream = "sgpthwapsC1.b1" ; :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations. Using fewer digits might result in greater uncertainty. Using a larger number of digits should have no effect and thus is unnecessary. However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.\n", "\n", "resolution for lat = 0.001\n", "resolution for lon = 0.001\n", "resolution for alt = 1" ; :sampling_interval = "3 seconds" ; :averaging_interval = "5 minutes" ; :averaging_interval_comment = "The time assigned to each data point indicates the end of the averaging interval." ; :comment = "The wind speed is the \'mean horizontal wind speed\' which is (1/N)*SUM(Si).\n", "\n", "The wind direction is the \'unit vector wind direction\' which is defined as ARCTAN(Ux/Uy), where Ux = SUM(Sin(THETAi))/N and Uy = SUM(Cos(THETAi))/N.\n", "\n", "The standard deviation of wind direction is computed using the Yamartino algorithm in which StdDevTHETA = ARCSIN(epsilon)*[1+0.1547*epsilon**3], where epsilon = SQRT[1-(Ux**2 + Uy**2)]" ; :qc_bit_comment = "The QC field values are a bit packed representation of true/false values for the tests that may have been performed. A QC value of zero means that none of the tests performed on the value failed." ; :qc_bit_1_description = "Value is equal to missing_value." ; :qc_bit_1_assessment = "Bad" ; :qc_bit_2_description = "Value is less than the valid_min." ; :qc_bit_2_assessment = "Bad" ; :qc_bit_3_description = "Value is greater than the valid_max." ; :qc_bit_3_assessment = "Bad" ; :qc_bit_4_description = "Difference between current and previous values exceeds valid_delta." ; :qc_bit_4_assessment = "Indeterminate" ; :history = "created by user dsmgr on machine ruby at 2016-01-26 01:11:01, using ingest-thwaps-8.2-0.el6" ; }