netcdf twpaerilblcloudsC2.c1.20070603.000231 {
dimensions:
	time = UNLIMITED ; // (3208 currently)
	strlen = 10 ;
variables:
	int base_time ;
		base_time:string = "3-Jun-2007,0:02:31 GMT" ;
		base_time:long_name = "Base time in Epoch" ;
		base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ;
	double time_offset(time) ;
		time_offset:long_name = "Time offset from base_time" ;
		time_offset:units = "seconds since 2007-06-03 00:02:31 0:00" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "seconds since 2007-06-03 00:00:00 0:00" ;
	float mean_cloud1_cbh(time) ;
		mean_cloud1_cbh:long_name = "Ensemble average of first cloud base height from the Ceilometer" ;
		mean_cloud1_cbh:units = "m" ;
		mean_cloud1_cbh:instrument_sampling_interval = "30 s" ;
		mean_cloud1_cbh:missing_value = -9999.f ;
		mean_cloud1_cbh:valid_min = 15.f ;
		mean_cloud1_cbh:valid_max = 7800.f ;
		mean_cloud1_cbh:resolution = "7.62m (25 ft)" ;
		mean_cloud1_cbh:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_cloud1_cbh:explanation_of_preprocessing = "Values outside [valid_min,valid_max] range are omitted from ensemble average" ;
		mean_cloud1_cbh:comment = "0 indicates no clouds detected; min detectable cloud base is 15 meters" ;
		mean_cloud1_cbh:comment1 = "Values equal to zero (no clouds detected) are not used in ensemble" ;
	float sdev_cloud1_cbh(time) ;
		sdev_cloud1_cbh:long_name = "Standard deviation of cloud1 ensemble" ;
		sdev_cloud1_cbh:units = "m" ;
		sdev_cloud1_cbh:missing_value = -9999.f ;
	float nobs_cloud1_cbh(time) ;
		nobs_cloud1_cbh:long_name = "Number of cloudy observations in ensemble" ;
		nobs_cloud1_cbh:units = "unitless" ;
		nobs_cloud1_cbh:comment = "These observations were used in ensemble mean" ;
	float nobs_cloud1_clear(time) ;
		nobs_cloud1_clear:long_name = "Number of clear observations in ensemble" ;
		nobs_cloud1_clear:units = "unitless" ;
		nobs_cloud1_clear:comment = "These observations were not used in ensemble mean" ;
	float mean_cloud2_cbh(time) ;
		mean_cloud2_cbh:long_name = "Ensemble average of second cloud base height from the Ceilometer" ;
		mean_cloud2_cbh:units = "m" ;
		mean_cloud2_cbh:instrument_sampling_interval = "30 s" ;
		mean_cloud2_cbh:missing_value = -9999.f ;
		mean_cloud2_cbh:valid_min = 15.f ;
		mean_cloud2_cbh:valid_max = 7800.f ;
		mean_cloud2_cbh:resolution = "7.62m (25 ft)" ;
		mean_cloud2_cbh:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_cloud2_cbh:explanation_of_preprocessing = "Values outside [valid_min,valid_max] range are omitted from ensemble average" ;
		mean_cloud2_cbh:comment = "0 indicates no clouds detected; min detectable cloud base is 15 meters" ;
		mean_cloud2_cbh:comment1 = "Values equal to zero (no clouds detected) are not used in ensemble" ;
	float sdev_cloud2_cbh(time) ;
		sdev_cloud2_cbh:long_name = "Standard deviation of cloud2 ensemble" ;
		sdev_cloud2_cbh:units = "m" ;
		sdev_cloud2_cbh:missing_value = -9999.f ;
	float nobs_cloud2_cbh(time) ;
		nobs_cloud2_cbh:long_name = "Number of cloudy observations in ensemble" ;
		nobs_cloud2_cbh:units = "unitless" ;
		nobs_cloud2_cbh:comment = "These observations were used in ensemble mean" ;
	float nobs_cloud2_clear(time) ;
		nobs_cloud2_clear:long_name = "Number of clear observations in ensemble" ;
		nobs_cloud2_clear:units = "unitless" ;
		nobs_cloud2_clear:comment = "These observations were not used in ensemble mean" ;
	float mean_cloud3_cbh(time) ;
		mean_cloud3_cbh:long_name = "Ensemble average of third cloud base height from the Ceilometer" ;
		mean_cloud3_cbh:units = "m" ;
		mean_cloud3_cbh:instrument_sampling_interval = "30 s" ;
		mean_cloud3_cbh:missing_value = -9999.f ;
		mean_cloud3_cbh:valid_min = 15.f ;
		mean_cloud3_cbh:valid_max = 7800.f ;
		mean_cloud3_cbh:resolution = "7.62m (25 ft)" ;
		mean_cloud3_cbh:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_cloud3_cbh:explanation_of_preprocessing = "Values outside [valid_min,valid_max] range are omitted from ensemble average" ;
		mean_cloud3_cbh:comment = "0 indicates no clouds detected; min detectable cloud base is 15 meters" ;
		mean_cloud3_cbh:comment1 = "Values equal to zero (no clouds detected) are not used in ensemble" ;
	float sdev_cloud3_cbh(time) ;
		sdev_cloud3_cbh:long_name = "Standard deviation of cloud3 ensemble" ;
		sdev_cloud3_cbh:units = "m" ;
		sdev_cloud3_cbh:missing_value = -9999.f ;
	float nobs_cloud3_cbh(time) ;
		nobs_cloud3_cbh:long_name = "Number of cloudy observations in ensemble" ;
		nobs_cloud3_cbh:units = "unitless" ;
		nobs_cloud3_cbh:comment = "These observations were used in ensemble mean" ;
	float nobs_cloud3_clear(time) ;
		nobs_cloud3_clear:long_name = "Number of clear observations in ensemble" ;
		nobs_cloud3_clear:units = "unitless" ;
		nobs_cloud3_clear:comment = "These observations were not used in ensemble mean" ;
	float cloud_cover_fract(time) ;
		cloud_cover_fract:long_name = "Calculated cloud cover fraction from the WSI" ;
		cloud_cover_fract:units = "%" ;
		cloud_cover_fract:missing_value = -9999.f ;
		cloud_cover_fract:valid_min = 0.f ;
		cloud_cover_fract:valid_max = 1.f ;
		cloud_cover_fract:statistic_type = "Reported statistic is computed over Zenith angles = 0 to 10 degrees, azimuth angles = 0 to 360 degrees for the WSI image" ;
		cloud_cover_fract:comment = "The observation nearest in time to the AERI sample time is selected" ;
	float wsi_offset_time(time) ;
		wsi_offset_time:long_name = "AERI sample time minus WSI image time" ;
		wsi_offset_time:units = "s" ;
		wsi_offset_time:missing_value = -9999.f ;
	float mean_23tbsky(time) ;
		mean_23tbsky:long_name = "Ensemble average of 23.8 GHz sky brightness temperature from the MWR" ;
		mean_23tbsky:units = "K" ;
		mean_23tbsky:instrument_sampling_interval = "20 s" ;
		mean_23tbsky:missing_value = -9999.f ;
		mean_23tbsky:valid_min = 2.73f ;
		mean_23tbsky:valid_max = 100.f ;
		mean_23tbsky:resolution = "0.11 K" ;
		mean_23tbsky:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_23tbsky:explanation_of_preprocessing = "Data flagged by Mentor QC checks for 23tbsky or 31tbsky, or flagged by the wet_window flag, are not included in the ensemble average" ;
	float sdev_23tbsky(time) ;
		sdev_23tbsky:long_name = "Standard deviation of 23tbsky ensemble" ;
		sdev_23tbsky:units = "K" ;
		sdev_23tbsky:missing_value = -9999.f ;
	float mean_31tbsky(time) ;
		mean_31tbsky:long_name = "Ensemble average of 31.4 GHz sky brightness temperature from the MWR" ;
		mean_31tbsky:units = "K" ;
		mean_31tbsky:instrument_sampling_interval = "20 s" ;
		mean_31tbsky:missing_value = -9999.f ;
		mean_31tbsky:valid_min = 2.73f ;
		mean_31tbsky:valid_max = 100.f ;
		mean_31tbsky:resolution = "0.14 K" ;
		mean_31tbsky:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_31tbsky:explanation_of_preprocessing = "Data flagged by Mentor QC checks for 23tbsky or 31tbsky, or flagged by the wet_window flag, are not included in the ensemble average" ;
	float sdev_31tbsky(time) ;
		sdev_31tbsky:long_name = "Standard deviation of 31tbsky ensemble" ;
		sdev_31tbsky:units = "K" ;
		sdev_31tbsky:missing_value = -9999.f ;
	float mean_vap(time) ;
		mean_vap:long_name = "Ensemble average of total water vapor along LOS path from the MWR" ;
		mean_vap:units = "cm" ;
		mean_vap:instrument_sampling_interval = "20 s" ;
		mean_vap:missing_value = -9999.f ;
		mean_vap:valid_min = 0.f ;
		mean_vap:valid_max = 5.f ;
		mean_vap:resolution = "0.01 cm" ;
		mean_vap:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_vap:explanation_of_preprocessing = "Data flagged by Mentor QC checks for 23tbsky or 31tbsky, or flagged by the wet_window flag, are not included in the ensemble average" ;
	float sdev_vap(time) ;
		sdev_vap:long_name = "Standard deviation of vap ensemble" ;
		sdev_vap:units = "cm" ;
		sdev_vap:missing_value = -9999.f ;
	float mean_liq(time) ;
		mean_liq:long_name = "Average total liquid water along LOS path from the MWR" ;
		mean_liq:units = "cm" ;
		mean_liq:instrument_sampling_interval = "20 s" ;
		mean_liq:missing_value = -9999.f ;
		mean_liq:valid_min = 0.00324f ;
		mean_liq:valid_max = 0.1f ;
		mean_liq:resolution = "0.0003 cm" ;
		mean_liq:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_liq:explanation_of_preprocessing = "Data flagged by Mentor QC checks for 23tbsky or 31tbsky, or flagged by the wet_window flag, are not included in the ensemble average" ;
	float sdev_liq(time) ;
		sdev_liq:long_name = "Standard deviation of liq ensemble" ;
		sdev_liq:units = "cm" ;
		sdev_liq:missing_value = -9999.f ;
	float mean_irt(time) ;
		mean_irt:long_name = "Average IR temperature from the IRT" ;
		mean_irt:units = "K" ;
		mean_irt:instrument_sampling_interval = "2 s" ;
		mean_irt:missing_value = -9999.f ;
		mean_irt:spectral_range = "[9.7,11.6] micrometers" ;
		mean_irt:valid_min = 213.f ;
		mean_irt:valid_max = 313.f ;
		mean_irt:uncertainty = "+/- 0.1 K (estimated)" ;
		mean_irt:resolution = "0.1 K" ;
		mean_irt:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
	float sdev_irt(time) ;
		sdev_irt:long_name = "Standard deviation of the IR temperature ensemble" ;
		sdev_irt:units = "K" ;
		sdev_irt:missing_value = -9999.f ;
	float nobs_mwr_ensembles(time) ;
		nobs_mwr_ensembles:long_name = "Number of observations in each MWR ensemble (23tbsky, 31tbsky, vap, liq)" ;
		nobs_mwr_ensembles:units = "unitless" ;
	float sdev_23tbsky_large(time) ;
		sdev_23tbsky_large:long_name = "Standard deviation of 23tbsky ensemble" ;
		sdev_23tbsky_large:units = "K" ;
		sdev_23tbsky_large:missing_value = -9999.f ;
		sdev_23tbsky_large:explanation_of_ensemble = "All data within 20 minutes of the AERI sample time are included in the ensemble" ;
		sdev_23tbsky_large:explanation_of_preprocessing = "Data flagged by Mentor QC checks for 23tbsky or 31tbsky, or flagged by the wet_window flag, are not included in the ensemble average" ;
		sdev_23tbsky_large:comment = "This field can be used as a measure of water vapor homogeneity" ;
	float sdev_31tbsky_large(time) ;
		sdev_31tbsky_large:long_name = "Standard deviation of 31tbsky ensemble" ;
		sdev_31tbsky_large:units = "K" ;
		sdev_31tbsky_large:missing_value = -9999.f ;
		sdev_31tbsky_large:explanation_of_ensemble = "All data within 20 minutes of the AERI sample time are included in the ensemble" ;
		sdev_31tbsky_large:explanation_of_preprocessing = "Data flagged by Mentor QC checks for 23tbsky or 31tbsky, or flagged by the wet_window flag, are not included in the ensemble average" ;
		sdev_31tbsky_large:comment = "This field can be used as a measure of liquid water homogeneity" ;
	float nobs_mwr_ensembles_large(time) ;
		nobs_mwr_ensembles_large:long_name = "Number of observations in each `large` MWR ensemble (23tbsky and 31tbsky)" ;
		nobs_mwr_ensembles_large:units = "unitless" ;
		nobs_mwr_ensembles_large:explanation_of_ensemble = "Number of valid MWR data points within 20 minutes of the AERI sample time which are included in the ensemble" ;
	float calculated_irt(time) ;
		calculated_irt:long_name = "IR temperature calculated from the AERI; spectral response function used to mimick the output from the IR thermometer" ;
		calculated_irt:units = "K" ;
		calculated_irt:missing_value = -9999.f ;
		calculated_irt:spectral_range = "[9.7,11.6] um" ;
		calculated_irt:explanation_of_processing = "An interative technique is used, where the response function is applied to planck blackbody spectra at various temperatures until the integrated result matches the AERI\'s integrated value" ;
	float integ_vap_sonde(time) ;
		integ_vap_sonde:long_name = "Integrated precipitable water vapor using sonde thermodynamic profiles" ;
		integ_vap_sonde:units = "cm" ;
		integ_vap_sonde:missing_value = -9999.f ;
		integ_vap_sonde:explanation_of_preprocessing = "Data flagged by mentor QC checks for T, P, RH are not included, interpolated values are used" ;
		integ_vap_sonde:comment = "This value is attached to the closed AERI sample within 3600 seconds" ;
	float sonde_offset_time(time) ;
		sonde_offset_time:long_name = "AERI sample time minus Sonde release time (validation time)" ;
		sonde_offset_time:units = "s" ;
		sonde_offset_time:missing_value = -9999.f ;
		sonde_offset_time:comment = "The sonde release time is defined as the LBLRTM time, up to 4 AERI comparisons are made for each model calculation" ;
	char sonde_serial_number(time, strlen) ;
		sonde_serial_number:long_name = "Sonde serial number" ;
		sonde_serial_number:units = "unitless" ;
		sonde_serial_number:missing_value = "" ;
	float mean_mpl_cbh(time) ;
		mean_mpl_cbh:long_name = "Cloud base height from the MPL" ;
		mean_mpl_cbh:units = "km" ;
		mean_mpl_cbh:instrument_sampling_interval = "1 min" ;
		mean_mpl_cbh:missing_value = -9999.f ;
		mean_mpl_cbh:valid_min = 0.27f ;
		mean_mpl_cbh:valid_max = 15.f ;
		mean_mpl_cbh:explanation_of_ensemble = "All data within the AERI skydwell interval are included in the ensemble" ;
		mean_mpl_cbh:explanation_of_preprocessing = "Data flagged by the mpl_cbh_dq_flag are excluded from ensemble" ;
		mean_mpl_cbh:explanation_of_preprocessing2 = "No clouds indicated (value of 0.0) and fog/obstruction on the window (value of 60.0) are excluded from the ensemble" ;
		mean_mpl_cbh:comment = "Derived measurement from MPL attenuated back scattered signal" ;
	float sdev_mpl_cbh(time) ;
		sdev_mpl_cbh:long_name = "Standard deviation of mpl_cbh ensemble" ;
		sdev_mpl_cbh:units = "km" ;
		sdev_mpl_cbh:missing_value = -9999.f ;
	float nobs_mpl_cbh(time) ;
		nobs_mpl_cbh:long_name = "Number of cloudy observations in ensemble" ;
		nobs_mpl_cbh:units = "unitless" ;
		nobs_mpl_cbh:comment = "These observations were used in ensemble mean" ;
	float nobs_mpl_clear(time) ;
		nobs_mpl_clear:long_name = "Number of clear observations in ensemble" ;
		nobs_mpl_clear:units = "unitless" ;
		nobs_mpl_clear:comment = "These observations were not used in ensemble mean" ;
	float nobs_mpl_foggy(time) ;
		nobs_mpl_foggy:long_name = "Number of foggy observations in ensemble (probably condensation on the window)" ;
		nobs_mpl_foggy:units = "unitless" ;
		nobs_mpl_foggy:comment = "These observations were not used in ensemble mean" ;
	float mpl_cbh_dq_flag(time) ;
		mpl_cbh_dq_flag:long_name = "Data quality flag for MPL cbh ensemble" ;
		mpl_cbh_dq_flag:units = "unitless" ;
		mpl_cbh_dq_flag:platform = "DsgpmplcbhC1.c1" ;
		mpl_cbh_dq_flag:valid_range = "1 if the flag was set for ANY of the values used in the ensemble, 0 otherwise" ;
	float aeri_dwell_atm_var_channel_1(time) ;
		aeri_dwell_atm_var_channel_1:long_name = "Standard deviation of the average radiance in the 985-990 wavenumber window during the AERI dwell time" ;
		aeri_dwell_atm_var_channel_1:units = "mW/(m2 sr cm-1)" ;
		aeri_dwell_atm_var_channel_1:comment = "This field is from the AERI summary platform- it indicates the variability of the atmosphere during the skydwell time" ;
	float aeri_dwell_atm_var_channel_2(time) ;
		aeri_dwell_atm_var_channel_2:long_name = "Standard deviation of the average radiance in the 2510-2515 wavenumber window during the AERI dwell time" ;
		aeri_dwell_atm_var_channel_2:units = "mW/(m2 sr cm-1)" ;
		aeri_dwell_atm_var_channel_2:comment = "This field is from the AERI summary platform- it indicates the variability of the atmosphere during the skydwell time" ;
	float mean_AERI_BT_channel_1(time) ;
		mean_AERI_BT_channel_1:long_name = "Average of brightness temperatures calculated from AERI radiances within spectral window for channel 1: [1142.20,1147.03]" ;
		mean_AERI_BT_channel_1:units = "K" ;
		mean_AERI_BT_channel_1:explanation_of_special_value = "-777.0 indicates that the average brightness temp could not be computed because the average radiance over the window was negative" ;
	float mean_AERI_BT_channel_2(time) ;
		mean_AERI_BT_channel_2:long_name = "Average of brightness temperatures calculated from AERI radiances within spectral window for channel 2: [2506.20,2511.02]" ;
		mean_AERI_BT_channel_2:units = "K" ;
		mean_AERI_BT_channel_2:explanation_of_special_value = "-777.0 indicates that the average brightness temp could not be computed because the average radiance over the window was negative" ;
	float cbh_AERI_channel_1(time) ;
		cbh_AERI_channel_1:long_name = "Cloud base height estimate from the field mean_AERI_BT_channel_1" ;
		cbh_AERI_channel_1:units = "m" ;
		cbh_AERI_channel_1:explanation_of_processing = "After the brightness temperature is calculated, it is compared with a nearby radiosonde temperature profile" ;
		cbh_AERI_channel_1:explanation_of_processing2 = "The first level in the profile where the temperature is less than the AERI BT temp is an estimate of the cloud base height" ;
		cbh_AERI_channel_1:explanation_of_processing3 = "If the AERI BT is cooler than all points in the profile, then we assume it to be clear.  This case is represented with a value of -1." ;
		cbh_AERI_channel_1:explanation_of_processing4 = "A value of 0 indicates that the first point in the temperature profile was warmer than the AERI BT.  This could be caused by a closed hatch, warm low cloud, etc." ;
		cbh_AERI_channel_1:comment = "Sonde must be within 30 minutes of AERI sample" ;
	float cbh_AERI_channel_2(time) ;
		cbh_AERI_channel_2:long_name = "Cloud base height estimate from the field mean_AERI_BT_channel_2" ;
		cbh_AERI_channel_2:units = "m" ;
		cbh_AERI_channel_2:explanation_of_processing = "After the brightness temperature is calculated, it is compared with a nearby radiosonde temperature profile" ;
		cbh_AERI_channel_2:explanation_of_processing2 = "The first level in the profile where the temperature is less than the AERI BT temp is an estimate of the cloud base height" ;
		cbh_AERI_channel_2:explanation_of_processing3 = "If the AERI BT is cooler than all points in the profile, then we assume it to be clear.  This case is represented with a value of -1." ;
		cbh_AERI_channel_2:explanation_of_processing4 = "A value of 0 indicates that the first point in the temperature profile was warmer than the AERI BT.  This could be caused by a closed hatch, warm low cloud, etc." ;
		cbh_AERI_channel_2:comment = "Sonde must be within 30 minutes of AERI sample" ;
	float mean_dir_by_diff_ratio(time) ;
		mean_dir_by_diff_ratio:long_name = "Ensemble average of ratios of direct_norm_broadband divided by diffuse_hemisp_broadband from the SIROS" ;
		mean_dir_by_diff_ratio:units = "unitless" ;
		mean_dir_by_diff_ratio:instrument_sampling_interval = "15 s" ;
		mean_dir_by_diff_ratio:missing_value = -9999.f ;
		mean_dir_by_diff_ratio:valid_min = 0.f ;
		mean_dir_by_diff_ratio:explanation_of_ensemble = "All data within a ten minute interval which is centered on the AERI skydwell interval are included in the ensemble" ;
		mean_dir_by_diff_ratio:explanation_of_ensemble2 = "3.5 minute interval + 3 minute AERI sky dwell interval + 3.5 minute interval equals 10 minutes" ;
		mean_dir_by_diff_ratio:explanation_of_preprocessing = "Input data equal to -4444, -3333, -2222, -1111 are excluded from ratios and subsequent average" ;
		mean_dir_by_diff_ratio:explanation_of_preprocessing2 = "Missing values or ratios with a demoninator equal to 0 are omitted from average" ;
		mean_dir_by_diff_ratio:interpretation = "The presence of clouds decreases numerator and increases denominator and thus ratio decreases; if hazy, ratio tends to stay constant" ;
	float sdev_dir_by_diff_ratio(time) ;
		sdev_dir_by_diff_ratio:long_name = "Standard deviation of ratio ensemble about mean_dir_to_diff_ratio" ;
		sdev_dir_by_diff_ratio:units = "unitless" ;
		sdev_dir_by_diff_ratio:missing_value = -9999.f ;
	float nobs_dir_by_diff_ratio(time) ;
		nobs_dir_by_diff_ratio:long_name = "Number of ratios in ensemble" ;
		nobs_dir_by_diff_ratio:units = "unitless" ;
	float nonclear_flag(time) ;
		nonclear_flag:long_name = "Non-clear flag" ;
		nonclear_flag:units = "unitless" ;
		nonclear_flag:valid_range = "[0, 1] -- 1 implies the sky is not clear, but 0 does not necessarily imply the converse" ;
		nonclear_flag:calc_logic = "Cloud was detected if any of the following are true:" ;
		nonclear_flag:calc0 = "mean_AERI_BT_channel_1 matches with a point in the sonde temperature profile, providing a simple estimate of cloud base height - DISABLED" ;
		nonclear_flag:calc1 = "mean_AERI_BT_channel_2 matches with a point in the sonde temperature profile, providing a simple estimate of cloud base height - DISABLED" ;
		nonclear_flag:calc2 = "mean_cloud1_cbh > 15 meters (the valid_min)" ;
		nonclear_flag:calc3 = "mean_liq > 50 microns" ;
		nonclear_flag:calc4 = "cloud_cover_fract > 0" ;
		nonclear_flag:calc5 = "mean_dir_by_diff_ratio within certain range- DISABLED until range can be determined" ;
		nonclear_flag:calc6 = "mean_mpl_cbh > 120 meters (the valid_min)" ;
	int nonclear_inputs(time) ;
		nonclear_inputs:long_name = "Binary field indicating which inputs are available and used to set the nonclear_flag" ;
		nonclear_inputs:units = "unitless" ;
		nonclear_inputs:comment = "From lowest bit (0) to highest (6), if the bit is set then the data was available and used in the the decision" ;
		nonclear_inputs:bit0 = "Average brightness temp from the 1142-1147 cm-1 window (mean_AERI_BT_channel_1) used with the sonde temperature profile" ;
		nonclear_inputs:bit1 = "Average brightness temp from the 2506-2511 cm-1 window (mean_AERI_BT_channel_2) used with the sonde temperature profile" ;
		nonclear_inputs:bit2 = "Ceilometer cloud base heights" ;
		nonclear_inputs:bit3 = "Liquid water from microwave radiometer" ;
		nonclear_inputs:bit4 = "Cloud statistics from whole sky imager" ;
		nonclear_inputs:bit5 = "Direct by diffuse (broadband) ratio from the SIROS" ;
		nonclear_inputs:bit6 = "Cloud base height from the micropulse lidar" ;
	float lat ;
		lat:long_name = "north latitude" ;
		lat:units = "degrees" ;
		lat:valid_min = -90.f ;
		lat:valid_max = 90.f ;
	float lon ;
		lon:long_name = "east longitude" ;
		lon:units = "degrees" ;
		lon:valid_min = -180.f ;
		lon:valid_max = 180.f ;
	float alt ;
		alt:long_name = "altitude" ;
		alt:units = "meters above Mean Sea Level" ;

// global attributes:
		:Date = "Fri Jun  8 15:46:03 2007" ;
		:Version = "$State: process-vap-qmeaerilblclouds-5.3-0 $" ;
		:Command_Line = "qmeaerilblclouds -d 20070603 -f twp.C2" ;
		:Input_Platforms = "twpmplcbh1scottC2.c1, twpmplnor1campC2.c1, twpskyrad60sC2.a1, twpskyrad60sC2.b1, NULLplatform, NULLplatform, NULLplatform, twpmwrlosC2.b1, twpmwrlosC2.b1, twpsondewnpnC2.b1, NULLplatform, twpsondewnpnC2.a1, twpsondewrpnC2.a1, NULLplatform, NULLplatform, NULLplatform, twpvceil25kC2.a1, twpvceil25kC2.b1, NULLplatform, NULLplatform, twpaerich1C2.a1, twpaerich2C2.a1, twpaerisummaryC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1, NULLplatform, NULLplatform, NULLplatform, twpaerich1C2.b1, twpaerich2C2.b1, twpaerisummaryC2.b1" ;
		:BW_Version = "Working_4_1" ;
		:platform_description = "Companion data product to other qmeaerilbl products used to help discern clear versus nonclear (cloudy) conditions" ;
		:AERI_dwell_time = "3 minutes" ;
		:related_ARM_SGP_platforms = "sgpaerilbldiffC1.c1, sgpqmeaerilblC1.c1, sgpqmeaerimeansC1.c1" ;
		:comment = "Periods of nonhomogeneity can be determined from the aeri_dwell_atm_var_channel_# and sdev_##tbsky_large fields" ;
		:Version_sondepwv = "$State: process-vap-libsondepwv-1.5-1 $" ;
		:zeb_platform = "twpaerilblcloudsC2.c1" ;
		:history = "created by user dsmgr on machine opal at 8-Jun-2007,15:46:04, using $State: ds-zebra-zeblib-4.12-0 $;\n",
			"Modified by user sri on machine copper at 2014-08-04 21:24:25, using $Id: idl_ll.pro 55876 2014-08-04 20:55:45Z sri $" ;
}