netcdf 20040201_chilbolton_lwc-adiabatic-dwd-lm-6-17-grid {
dimensions:
time = 24 ;
height = 35 ;
num_lwp_var = 4 ;
variables:
float horizontal_resolution ;
horizontal_resolution:units = "km" ;
horizontal_resolution:long_name = "Horizontal resolution of model" ;
float altitude ;
altitude:units = "m" ;
altitude:long_name = "Height of radar above mean sea level" ;
float forecast_time(time) ;
forecast_time:units = "hours" ;
forecast_time:long_name = "Time since initialization of forecast" ;
forecast_time:comments = "For each profile in the file this variable contains the time elapsed since the initialization time of the forecast from which it was taken. Note that the profiles in this file may be taken from more than one forecast." ;
forecast_time:missing_value = -999.f ;
forecast_time:_FillValue = -999.f ;
float rain_rate_threshold ;
rain_rate_threshold:long_name = "Rain rate threshold" ;
rain_rate_threshold:units = "mm hr-1" ;
rain_rate_threshold:comment = "Measurements above a surface rain rate of greater than this value were excluded due to the possibility of strong attenuation leading to an underestimate of cloud fraction." ;
float time(time) ;
time:units = "hours since 2004-02-01 00:00:00 +00:00" ;
time:long_name = "Hours UTC" ;
time:standard_name = "time" ;
time:axis = "T" ;
float height(time, height) ;
height:units = "m" ;
height:long_name = "Height above ground" ;
height:standard_name = "height" ;
height:C_format = "%.3f" ;
height:_FillValue = -999.f ;
height:missing_value = -999.f ;
height:axis = "Z" ;
float lwc(time, height) ;
lwc:long_name = "Observed mean liquid water content, 1 hour sampling" ;
lwc:units = "kg m-3" ;
lwc:units_html = "kg m-3" ;
lwc:missing_value = -999.f ;
lwc:_FillValue = -999.f ;
lwc:comment = "This variable is the observed mean liquid water content estimated for pixels where the \"categorization\" data has diagnosed that liquid water is present, averaged onto the model grid with height, and 1 hour in time.\n",
"The model temperature and pressure were used to estimate the theoretical adiabatic liquid water content gradient for each cloud base and the adiabatic liquid water content was scaled so that its integral matches the liquid water path obtained from a coincident microwave radiometer measurement. \n",
"If the liquid layer is detected by the lidar only, there is the potential for cloud top height to be underestimated and if the integrated liquid water content is less than that measured by the microwave radiometer, the cloud top is extended until both agree.\n",
"When microwave radiometer data were not available, liquid water content was not retrieved although the adiabatic value is still included in the lwc_adiabatic and lwc_adv_adiabatic variables.\n",
"Rain present below the liquid is associated with an uncertain measurement of liquid water path and cloud boundaries so these profiles are not included." ;
lwc:plot_range = 1.e-08f, 0.001f ;
lwc:plot_scale = "logarithmic" ;
float lwc_adv(time, height) ;
lwc_adv:long_name = "Observed mean liquid water content, 7 km." ;
lwc_adv:units = "kg m-3" ;
lwc_adv:units_html = "kg m-3" ;
lwc_adv:missing_value = -999.f ;
lwc_adv:_FillValue = -999.f ;
lwc_adv:comment = "This variable is the same as the observed mean liquid water content, lwc, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
lwc_adv:plot_range = 1.e-08f, 0.001f ;
lwc_adv:plot_scale = "logarithmic" ;
float lwc_adiabatic(time, height) ;
lwc_adiabatic:long_name = "Observed mean adiabatic liquid water content, 1 hour sampling" ;
lwc_adiabatic:units = "kg m-3" ;
lwc_adiabatic:units_html = "kg m-3" ;
lwc_adiabatic:missing_value = -999.f ;
lwc_adiabatic:_FillValue = -999.f ;
lwc_adiabatic:comment = "This variable is the liquid water content that would be present if the cloud conformed to adiabatic conditions, for periods where liquid water path was available from coincident dual-wavelength microwave radiometer data." ;
lwc_adiabatic:plot_range = 1.e-08f, 0.001f ;
lwc_adiabatic:plot_scale = "logarithmic" ;
float lwc_adv_adiabatic(time, height) ;
lwc_adv_adiabatic:long_name = "Observed mean adiabatic liquid water content, 7 km." ;
lwc_adv_adiabatic:units = "kg m-3" ;
lwc_adv_adiabatic:units_html = "kg m-3" ;
lwc_adv_adiabatic:missing_value = -999.f ;
lwc_adv_adiabatic:_FillValue = -999.f ;
lwc_adv_adiabatic:comment = "This variable is the same as the adiabatic mean liquid water content, lwc_adiabatic, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
lwc_adv_adiabatic:plot_range = 1.e-08f, 0.001f ;
lwc_adv_adiabatic:plot_scale = "logarithmic" ;
float lwc_adiabatic_inc_nolwp(time, height) ;
lwc_adiabatic_inc_nolwp:long_name = "Observed mean adiabatic liquid water content, 1 hour sampling" ;
lwc_adiabatic_inc_nolwp:units = "kg m-3" ;
lwc_adiabatic_inc_nolwp:units_html = "kg m-3" ;
lwc_adiabatic_inc_nolwp:missing_value = -999.f ;
lwc_adiabatic_inc_nolwp:_FillValue = -999.f ;
lwc_adiabatic_inc_nolwp:comment = "This variable is the liquid water content that would be present if the cloud conformed to adiabatic conditions, including data where no liquid water path information was available." ;
lwc_adiabatic_inc_nolwp:plot_range = 1.e-08f, 0.001f ;
lwc_adiabatic_inc_nolwp:plot_scale = "logarithmic" ;
float lwc_adv_adiabatic_inc_nolwp(time, height) ;
lwc_adv_adiabatic_inc_nolwp:long_name = "Observed mean adiabatic_inc_nolwp liquid water content, 7 km." ;
lwc_adv_adiabatic_inc_nolwp:units = "kg m-3" ;
lwc_adv_adiabatic_inc_nolwp:units_html = "kg m-3" ;
lwc_adv_adiabatic_inc_nolwp:missing_value = -999.f ;
lwc_adv_adiabatic_inc_nolwp:_FillValue = -999.f ;
lwc_adv_adiabatic_inc_nolwp:comment = "This variable is the same as the adiabatic mean liquid water content, lwc_adiabatic_inc_nolwp, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
lwc_adv_adiabatic_inc_nolwp:plot_range = 1.e-08f, 0.001f ;
lwc_adv_adiabatic_inc_nolwp:plot_scale = "logarithmic" ;
float lwc_th(time, height) ;
lwc_th:long_name = "Observed mean liquid water content (tophat distribution), 1 hour sampling" ;
lwc_th:units = "kg m-3" ;
lwc_th:units_html = "kg m-3" ;
lwc_th:missing_value = -999.f ;
lwc_th:_FillValue = -999.f ;
lwc_th:comment = "This variable is the liquid water content assuming a tophat distribution. I.e. the profile of liquid water content in each layer is constant." ;
lwc_th:plot_range = 1.e-08f, 0.001f ;
lwc_th:plot_scale = "logarithmic" ;
float lwc_adv_th(time, height) ;
lwc_adv_th:long_name = "Observed mean liquid water content (tophat distribution), 7 km." ;
lwc_adv_th:units = "kg m-3" ;
lwc_adv_th:units_html = "kg m-3" ;
lwc_adv_th:missing_value = -999.f ;
lwc_adv_th:_FillValue = -999.f ;
lwc_adv_th:comment = "This variable is the same as lwc_th, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_std(time, height) ;
lwc_std:long_name = "Std. of observed liquid water content, 1 hour sampling" ;
lwc_std:units = "kg m-3" ;
lwc_std:units_html = "kg m-3" ;
lwc_std:missing_value = -999.f ;
lwc_std:_FillValue = -999.f ;
lwc_std:comment = "This variable is the standard deviation of the liquid water content estimated for pixels where the \"categorization\" data has diagnosed that liquid water is present, averaged onto the model grid with height, and 1 hour in time.\n",
"The model temperature and pressure were used to estimate the theoretical adiabatic liquid water content gradient for each cloud base and the adiabatic liquid water content was scaled so that its integral matches the liquid water path obtained from a coincident microwave radiometer measurement. \n",
"If the liquid layer is detected by the lidar only, there is the potential for cloud top height to be underestimated and if the integrated liquid water content is less than that measured by the microwave radiometer, the cloud top is extended until both agree.\n",
"When microwave radiometer data were not available, liquid water content was not retrieved although the adiabatic value is still included in the lwc_adiabatic and lwc_adv_adiabatic variables.\n",
"Rain present below the liquid is associated with an uncertain measurement of liquid water path and cloud boundaries so these profiles are not included." ;
float lwc_adv_std(time, height) ;
lwc_adv_std:long_name = "Std. of observed liquid water content, 7 km." ;
lwc_adv_std:units = "kg m-3" ;
lwc_adv_std:units_html = "kg m-3" ;
lwc_adv_std:missing_value = -999.f ;
lwc_adv_std:_FillValue = -999.f ;
lwc_adv_std:comment = "This variable is the same as the standard deviation of the observed liquid water content, lwc_std, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_adiabatic_std(time, height) ;
lwc_adiabatic_std:long_name = "Std. of observed adiabatic liquid water content, 1 hour sampling" ;
lwc_adiabatic_std:units = "kg m-3" ;
lwc_adiabatic_std:units_html = "kg m-3" ;
lwc_adiabatic_std:missing_value = -999.f ;
lwc_adiabatic_std:_FillValue = -999.f ;
lwc_adiabatic_std:comment = "This variable is the standard deviation of the liquid water content that would be present if the cloud conformed to adiabatic conditions, for periods where liquid water path was available from coincident dual-wavelength microwave radiometer data." ;
float lwc_adv_adiabatic_std(time, height) ;
lwc_adv_adiabatic_std:long_name = "Std. of observed adiabatic liquid water content, 7 km." ;
lwc_adv_adiabatic_std:units = "kg m-3" ;
lwc_adv_adiabatic_std:units_html = "kg m-3" ;
lwc_adv_adiabatic_std:missing_value = -999.f ;
lwc_adv_adiabatic_std:_FillValue = -999.f ;
lwc_adv_adiabatic_std:comment = "This variable is the same as the standard deviation of the adiabatic liquid water content, lwc_adiabatic_std, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_adiabatic_inc_nolwp_std(time, height) ;
lwc_adiabatic_inc_nolwp_std:long_name = "Std. of observed adiabatic liquid water content, 1 hour sampling" ;
lwc_adiabatic_inc_nolwp_std:units = "kg m-3" ;
lwc_adiabatic_inc_nolwp_std:units_html = "kg m-3" ;
lwc_adiabatic_inc_nolwp_std:missing_value = -999.f ;
lwc_adiabatic_inc_nolwp_std:_FillValue = -999.f ;
lwc_adiabatic_inc_nolwp_std:comment = "This variable is the standard deviation of the liquid water content that would be present if the cloud conformed to adiabatic conditions, including data where no liquid water path information was available." ;
float lwc_adv_adiabatic_inc_nolwp_std(time, height) ;
lwc_adv_adiabatic_inc_nolwp_std:long_name = "Std. of log10(observed adiabatic_inc_nolwp liquid water content), 7 km." ;
lwc_adv_adiabatic_inc_nolwp_std:units = "kg m-3" ;
lwc_adv_adiabatic_inc_nolwp_std:units_html = "kg m-3" ;
lwc_adv_adiabatic_inc_nolwp_std:missing_value = -999.f ;
lwc_adv_adiabatic_inc_nolwp_std:_FillValue = -999.f ;
lwc_adv_adiabatic_inc_nolwp_std:comment = "This variable is the same as the standard deviation of the adiabatic log10(liquid water content), lwc_adiabatic_inc_nolwp_std_log, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_th_std(time, height) ;
lwc_th_std:long_name = "Std. of observed liquid water content (tophat distribution), 1 hour sampling" ;
lwc_th_std:units = "kg m-3" ;
lwc_th_std:units_html = "kg m-3" ;
lwc_th_std:missing_value = -999.f ;
lwc_th_std:_FillValue = -999.f ;
lwc_th_std:comment = "This variable is the standard deviation of the liquid water content assuming a tophat distribution. I.e. the profile of liquid water content in each layer is constant." ;
float lwc_adv_th_std(time, height) ;
lwc_adv_th_std:long_name = "Std. of observed liquid water content (tophat distribution), 7 km." ;
lwc_adv_th_std:units = "kg m-3" ;
lwc_adv_th_std:units_html = "kg m-3" ;
lwc_adv_th_std:missing_value = -999.f ;
lwc_adv_th_std:_FillValue = -999.f ;
lwc_adv_th_std:comment = "This variable is the same as lwc_th_std, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_std_log(time, height) ;
lwc_std_log:long_name = "Std. of log10(observed liquid water content), 1 hour sampling" ;
lwc_std_log:units = "kg m-3" ;
lwc_std_log:units_html = "kg m-3" ;
lwc_std_log:missing_value = -999.f ;
lwc_std_log:_FillValue = -999.f ;
lwc_std_log:comment = "This variable is the standard deviation of the log10(liquid water content) estimated for pixels where the \"categorization\" data has diagnosed that liquid water is present, averaged onto the model grid with height, and 1 hour in time.\n",
"The model temperature and pressure were used to estimate the theoretical adiabatic liquid water content gradient for each cloud base and the adiabatic liquid water content was scaled so that its integral matches the liquid water path obtained from a coincident microwave radiometer measurement. \n",
"If the liquid layer is detected by the lidar only, there is the potential for cloud top height to be underestimated and if the integrated liquid water content is less than that measured by the microwave radiometer, the cloud top is extended until both agree.\n",
"When microwave radiometer data were not available, liquid water content was not retrieved although the adiabatic value is still included in the lwc_adiabatic and lwc_adv_adiabatic variables.\n",
"Rain present below the liquid is associated with an uncertain measurement of liquid water path and cloud boundaries so these profiles are not included." ;
float lwc_adv_std_log(time, height) ;
lwc_adv_std_log:long_name = "Std. of log10(observed liquid water content), 7 km." ;
lwc_adv_std_log:units = "kg m-3" ;
lwc_adv_std_log:units_html = "kg m-3" ;
lwc_adv_std_log:missing_value = -999.f ;
lwc_adv_std_log:_FillValue = -999.f ;
lwc_adv_std_log:comment = "This variable is the same as the standard deviation of the log10(observed liquid water content), lwc_std_log, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_adiabatic_std_log(time, height) ;
lwc_adiabatic_std_log:long_name = "Std. of log10(observed adiabatic liquid water content), 1 hour sampling" ;
lwc_adiabatic_std_log:units = "kg m-3" ;
lwc_adiabatic_std_log:units_html = "kg m-3" ;
lwc_adiabatic_std_log:missing_value = -999.f ;
lwc_adiabatic_std_log:_FillValue = -999.f ;
lwc_adiabatic_std_log:comment = "This variable is the standard deviation of the log10(liquid water content) that would be present if the cloud conformed to adiabatic conditions, for periods where liquid water path was available from coincident dual-wavelength microwave radiometer data." ;
float lwc_adv_adiabatic_std_log(time, height) ;
lwc_adv_adiabatic_std_log:long_name = "Std. of log10(observed adiabatic liquid water content), 7 km." ;
lwc_adv_adiabatic_std_log:units = "kg m-3" ;
lwc_adv_adiabatic_std_log:units_html = "kg m-3" ;
lwc_adv_adiabatic_std_log:missing_value = -999.f ;
lwc_adv_adiabatic_std_log:_FillValue = -999.f ;
lwc_adv_adiabatic_std_log:comment = "This variable is the same as the standard deviation of the adiabatic log10(liquid water content), lwc_adiabatic_std_log, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwc_adiabatic_inc_nolwp_std_log(time, height) ;
lwc_adiabatic_inc_nolwp_std_log:long_name = "Std. of log10(observed adiabatic liquid water content), 1 hour sampling" ;
lwc_adiabatic_inc_nolwp_std_log:units = "kg m-3" ;
lwc_adiabatic_inc_nolwp_std_log:units_html = "kg m-3" ;
lwc_adiabatic_inc_nolwp_std_log:missing_value = -999.f ;
lwc_adiabatic_inc_nolwp_std_log:_FillValue = -999.f ;
lwc_adiabatic_inc_nolwp_std_log:comment = "This variable is the standard deviation of the log10(liquid water content) that would be present if the cloud conformed to adiabatic conditions, including data where no liquid water path information was available." ;
float lwc_th_std_log(time, height) ;
lwc_th_std_log:long_name = "Std. of log10(observed liquid water content) (tophat distribution), 1 hour sampling" ;
lwc_th_std_log:units = "kg m-3" ;
lwc_th_std_log:units_html = "kg m-3" ;
lwc_th_std_log:missing_value = -999.f ;
lwc_th_std_log:_FillValue = -999.f ;
lwc_th_std_log:comment = "This variable is the standard deviation of the log10(liquid water content) assuming a tophat distribution. I.e. the profile of liquid water content in each layer is constant." ;
float lwc_adv_th_std_log(time, height) ;
lwc_adv_th_std_log:long_name = "Std. of log (observed liquid water content) (tophat distribution), 7 km." ;
lwc_adv_th_std_log:units = "kg m-3" ;
lwc_adv_th_std_log:units_html = "kg m-3" ;
lwc_adv_th_std_log:missing_value = -999.f ;
lwc_adv_th_std_log:_FillValue = -999.f ;
lwc_adv_th_std_log:comment = "This variable is the same as lwc_th_std_log, except that model winds were used to estimate the time taken to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes)." ;
float lwp(time, num_lwp_var) ;
lwp:long_name = "Observed mean liquid water path, 1 hour sampling" ;
lwp:units = "kg m-2" ;
lwp:units_html = "kg m-2" ;
lwp:missing_value = -999.f ;
lwp:_FillValue = -999.f ;
lwp:comment = "This variable is the observed [mean, min, max, std] of liquid water path retrieved from dual-wavelength microwave radiometers, averaged 1 hour in time.\n",
"Rain present below liquid layers is associated with an uncertain measurement of liquid water path and cloud boundaries so these profiles are not included." ;
lwp:plot_range = -50.f, 1000.f ;
lwp:plot_scale = "linear" ;
float lwp_adv(time, num_lwp_var) ;
lwp_adv:long_name = "Observed mean liquid water path, 7 km." ;
lwp_adv:units = "kg m-2" ;
lwp_adv:units_html = "kg m-2" ;
lwp_adv:missing_value = -999.f ;
lwp_adv:_FillValue = -999.f ;
lwp_adv:comment = "This variable is the same as the observed liquid water path, lwp, except that model winds were used to estimate the time taken \n",
"to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes). The mean wind, mean_wind_speed_adv, was calculated from the \n",
"mean of model winds in the grid boxes in the profile that contain liquid water." ;
lwp_adv:plot_range = -50.f, 1000.f ;
lwp_adv:plot_scale = "linear" ;
float lwp_adv_3km(time, num_lwp_var) ;
lwp_adv_3km:long_name = "Observed mean liquid water path, 7 km." ;
lwp_adv_3km:units = "kg m-2" ;
lwp_adv_3km:units_html = "kg m-2" ;
lwp_adv_3km:missing_value = -999.f ;
lwp_adv_3km:_FillValue = -999.f ;
lwp_adv_3km:comment = "This variable is the same as the observed liquid water path, lwp, except that model winds were used to estimate the time taken \n",
"to advect the model\'s horizontal resolution of 7 km (max 1 hour, min 10 minutes). The mean wind, mean_wind_speed_adv_3km, was calculated from the \n",
"mean of the magnitude of the model winds from 0 to 3 km in the vertical." ;
lwp_adv_3km:plot_range = -50.f, 1000.f ;
lwp_adv_3km:plot_scale = "linear" ;
float mean_wind_speed_adv(time) ;
mean_wind_speed_adv:long_name = "Mean model winds where liquid water path is present in profile" ;
mean_wind_speed_adv:units = "m s-1" ;
mean_wind_speed_adv:units_html = "m s-1" ;
mean_wind_speed_adv:missing_value = -999.f ;
mean_wind_speed_adv:_FillValue = -999.f ;
mean_wind_speed_adv:comment = "This variable is the mean model wind used to estimate the time taken to advect the model\'s horizontal resolution of 7 km. \n",
"It was calulated from the mean of the magnitude of the model winds in the grid boxes that contain liquid water." ;
mean_wind_speed_adv:plot_range = 0.f, 50.f ;
mean_wind_speed_adv:plot_scale = "linear" ;
float mean_wind_dir_adv(time) ;
mean_wind_dir_adv:long_name = "Mean model wind direction where liquid water path is present in profile" ;
mean_wind_dir_adv:units = "degrees" ;
mean_wind_dir_adv:missing_value = -999.f ;
mean_wind_dir_adv:_FillValue = -999.f ;
mean_wind_dir_adv:comment = "This variable is the mean of the model wind direction in the grid boxes that contain liquid water." ;
mean_wind_dir_adv:plot_range = 0.f, 360.f ;
mean_wind_dir_adv:plot_scale = "linear" ;
float mean_wind_speed_adv_3km(time) ;
mean_wind_speed_adv_3km:long_name = "Mean model winds from 0 to 3 km" ;
mean_wind_speed_adv_3km:units = "m s-1" ;
mean_wind_speed_adv_3km:units_html = "m s-1" ;
mean_wind_speed_adv_3km:missing_value = -999.f ;
mean_wind_speed_adv_3km:_FillValue = -999.f ;
mean_wind_speed_adv_3km:comment = "This variable is the mean model wind used to estimate the time taken to advect the model\'s horizontal resolution of 7 km. It was calulated from the mean of the model winds from 0 to 3 km in the vertical." ;
mean_wind_speed_adv_3km:plot_range = 0.f, 50.f ;
mean_wind_speed_adv_3km:plot_scale = "linear" ;
float mean_wind_dir_adv_3km(time) ;
mean_wind_dir_adv_3km:long_name = "Mean model wind direction from 0 to 3 km" ;
mean_wind_dir_adv_3km:units = "degrees" ;
mean_wind_dir_adv_3km:missing_value = -999.f ;
mean_wind_dir_adv_3km:_FillValue = -999.f ;
mean_wind_dir_adv_3km:comment = "This variable is the mean of the model wind direction from 0 to 3 km in the vertical." ;
mean_wind_dir_adv_3km:plot_range = 0.f, 360.f ;
mean_wind_dir_adv_3km:plot_scale = "linear" ;
float model_lwc(time, height) ;
model_lwc:long_name = "Model liquid water content" ;
model_lwc:units = "kg m-3" ;
model_lwc:units_html = "kg m-3" ;
model_lwc:missing_value = -999.f ;
model_lwc:_FillValue = -999.f ;
model_lwc:plot_range = 1.e-08f, 0.001f ;
model_lwc:plot_scale = "logarithmic" ;
float model_lwp(time) ;
model_lwp:long_name = "Model liquid water path" ;
model_lwp:units = "kg m-2" ;
model_lwp:units_html = "kg m-2" ;
model_lwp:missing_value = -999.f ;
model_lwp:_FillValue = -999.f ;
model_lwp:plot_range = -50.f, 1000.f ;
model_lwp:plot_scale = "linear" ;
float model_lwc_gridscale(time, height) ;
model_lwc_gridscale:long_name = "Model liquid water content" ;
model_lwc_gridscale:units = "kg m-3" ;
model_lwc_gridscale:units_html = "kg m-3" ;
model_lwc_gridscale:missing_value = -999.f ;
model_lwc_gridscale:_FillValue = -999.f ;
model_lwc_gridscale:plot_range = 1.e-08f, 0.001f ;
model_lwc_gridscale:plot_scale = "logarithmic" ;
model_lwc_gridscale:comment = "This variable is \"model_lwc\" but without the sub-gridscale contribution" ;
float model_lwp_gridscale(time) ;
model_lwp_gridscale:long_name = "Model grid-scale liquid water path" ;
model_lwp_gridscale:units = "kg m-2" ;
model_lwp_gridscale:units_html = "kg m-2" ;
model_lwp_gridscale:missing_value = -999.f ;
model_lwp_gridscale:_FillValue = -999.f ;
model_lwp_gridscale:plot_range = -50.f, 1000.f ;
model_lwp_gridscale:plot_scale = "linear" ;
// global attributes:
:Conventions = "CF-1.0" ;
:title = "Liquid water content at Chilbolton, averaged to the DWD Lokal Modell, (LM) grid." ;
:location = "Chilbolton" ;
:day = 1s ;
:month = 2s ;
:year = 2004s ;
:history = "09 Oct 2007 04:54:21 - Generated from liquid water content data and DWD Lokal Modell, (LM) data by Ewan O\'Connor on nuage\n",
"Liquid water content history: 24 Aug 2006 16:57:23 - Generated from categorization data by Ewan O\'Connor \n",
"Categorization history: 19 Jan 2005 20:54:04 - Generated from level 1 data by Ewan O\'Connor \n",
"Radar history: Wed Feb 25 02:07:01 2004 - NetCDF generated from original data by Nicolas Gaussiat on hogwarts\n",
"Wed May 12 10:23:39 2004 - Recalibrated (-1.2 dB) by Nicolas Gaussiat on hogwarts\n",
"Wed May 12 11:45:12 2004 - Inserted incoherent reflectivity factor by radar on hogwarts\n",
"(Incoherent processing history: Wed Feb 25 01:25:57 2004 - NetCDF generated from original data by Nicolas Gaussiat on hogwarts\n",
"Wed May 12 10:37:18 2004 - Recalibrated (+4.1 dB) by Nicolas Gaussiat on hogwarts)\n",
"Lidar history: Tue Aug 17 17:27:41 2004 - NetCDF generated from original data by Ewan O\'Connor on hogwarts\n",
"Model history: Fri Sep 24 11:05:08 BST 2004 - NetCDF generated from original data by Ewan O\'Connor using cnmodel2nc on hogwarts\n",
"Fri Nov 12 17:36:19 2004 - Comments added by radar on hogwarts\n",
"Gauge history: Recorded using Microlink 3000 series DAQ\n",
"2004-03-11 10:17:50 : converted to netCDF from FORMAT5 using Matlab 6.5.0.180913a (R13) running on GLNX86\n",
"Microwave radiometer history: \n",
"2005-01-13 15:02:26 : Liquid and vapour vater path produced by Nicolas Gaussiat on hagrid\n",
"" ;
:source = "DWD Lokal Modell, (LM)\n",
"CloudNet categorization product (software version 0.9.2)\n",
"DWD Lokal Modell, (LM)\n",
"CloudNet categorization product (software version 0.9.2) comprising:\n",
"Chilbolton 94-GHz Cloud Radar (Galileo)\n",
"Frequency: 94.00 GHz\n",
"Antenna diameter: 0.46 m\n",
"Axis separation of transmit and receive antennas: 0.66 m\n",
"Peak power: 1.6 kW\n",
"Pulse width: 0.5 us\n",
"Pulse repetition frequency: 6250 Hz\n",
"Beam width: 0.5 degrees;\n",
"Chilbolton Vaisala 905-nm CT75K lidar ceilometer\n",
"Wavelength: 905 nm\n",
"Half-angle beam divergence: 0.75 mrad\n",
"Half-angle field of view: 0.66 mrad;\n",
"ECMWF Integrated Forecast System (IFS);\n",
"meteorological sensors;\n",
"Microwave radiometers" ;
:institution = "Data processed at the Department of Meteorology, University of Reading." ;
:software_version = "1.1" ;
:comment = "This dataset contains liquid water content derived using radar/lidar cloud boundaries and liquid water path from dual-wavelength microwave radiometers, averaged on to the grid of a forecast model.\n",
"It also contains the liquid water content and liquid water path from that model, so may be used to calculate statistics quantifying the model performance." ;
}