THREDDS Data Server

Catalog http://lead.unidata.ucar.edu:8080/thredds/catalog/LEAD/model/NCEP/LEADNAM/2009061818/catalog.xml

Dataset: 2009061818/nam40grb2.2009061818f21

• Data format: GRIB
• Data size: 6.289 Mbytes
• Data type: Grid
• Naming Authority: edu.ucar.unidata
• ID: NCEP/LEADNAM/2009061818/nam40grb2.2009061818f21

Documentation:

• summary: NCEP North American Model 40 km with forecast hours in separate files : AWIPS 212 (R) Regional - CONUS - Double Resolution. Model runs are made at 00Z, 06Z, 12Z, and 18Z and have analysis and forecasts every 3 hours out to 84 hours. Horizontal = 185 by 129 points, resolution 40.63 km, LambertConformal projection. Vertical = surface, 1000 to 50 hPa pressure levels, layers, and depth.
• summary: NCEP Model output
• rights: Freely available
• NCEP Model documentation
• processing_level: Transmitted through Unidata Internet Data Distribution.

Access:

1. OPENDAP: http://lead.unidata.ucar.edu:8080/thredds/dodsC/LEAD/model/NCEP/LEADNAM/2009061818/nam40grb2.2009061818f21
2. HTTPServer: http://lead.unidata.ucar.edu:8080/thredds/fileServer/LEAD/model/NCEP/LEADNAM/2009061818/nam40grb2.2009061818f21
3. GridFTPServer: gsiftp://lead2.unidata.ucar.edu/gridftp/LEAD/model/NCEP/LEADNAM/2009061818/nam40grb2.2009061818f21
4. WCS: http://lead.unidata.ucar.edu:8080/thredds/wcs/LEAD/model/NCEP/LEADNAM/2009061818/nam40grb2.2009061818f21
5. NetcdfSubset: http://lead.unidata.ucar.edu:8080/thredds/ncss/grid/LEAD/model/NCEP/LEADNAM/2009061818/nam40grb2.2009061818f21

Keywords:

• NAM (lead.DatasetTypes.lead.org)
• IDV (lead.VisTools.lead.org)

Dates:

• 2009-06-18 20:19:57Z (modified)

Creators:

• DOC/NOAA/NWS/NCEP
  • email: http://www.ncep.noaa.gov/mail_liaison.shtml
  • http://www.ncep.noaa.gov/

Publishers:

• UCAR/UNIDATA
  • email: support@unidata.ucar.edu
  • http://www.unidata.ucar.edu/

Variables:

• GRIB vocabulary:
  • N3_hr_pressure_tendency_Std_Atmos_Red = 3-hr pressure tendency Std Atmos Red @ entire_atmosphere = 137 (Pa/s)
  • N5_wave_geopot_height_anomaly = 5-wave geopot. height anomaly @ surface = 230 (gpm)
  • N5_wave_geopotential_height = 5-wave geopotential height @ surface = 222 (gpm)
  • Absolute_vorticity = Absolute vorticity @ isobaric2 = 41 (1/s)
  • Accum_snow = Accum. snow @ surface = 65 (kg/m^2)
  • Albedo = Albedo @ surface = 84 (%)
  • Baseflow_groundwater_runoff = Baseflow-groundwater runoff @ surface = 234 (kg/m^2)
  • Best_4_layer_lifted_index = Best 4-layer lifted index @ layer_between_two_pressure_difference_from_ground6 = 132 (K)
  • Blackadars_mixing_length_scale = Blackadar's mixing length scale @ hybrid1 = 226 (m)
  • Brunt_Vaisala_frequency2 = Brunt-Vaisala frequency^2 @ entire_atmosphere = 138 (1/s^2)
  • Categorical_freezing_rain = Categorical freezing rain @ surface = 141 (yes=1;no=0)
  • Categorical_freezing_rain_layer_between_two_pressure_difference_from_ground = Categorical freezing rain @ layer_between_two_pressure_difference_from_ground5 = 141 (yes=1;no=0)
  • Categorical_ice_pellets = Categorical ice pellets @ surface = 142 (yes=1;no=0)
  • Categorical_rain = Categorical rain @ surface = 140 (yes=1;no=0)
  • Categorical_rain_entire_atmosphere = Categorical rain @ entire_atmosphere = 140 (yes=1;no=0)
  • Categorical_snow = Categorical snow @ surface = 143 (yes=1;no=0)
  • Clear_sky_upward_solar_flux = Clear sky upward solar flux @ layer_between_two_depths_below_surface = 160 (W/m^2)
  • Cloud_Ice_hybrid = Cloud Ice @ hybrid1 = 58 (kg/kg)
  • Cloud_Ice = Cloud Ice @ isobaric = 58 (kg/kg)
  • Cloud_water_hybrid = Cloud water @ hybrid1 = 153 (kg/kg)
  • Cloud_water = Cloud water @ isobaric = 153 (kg/kg)
  • Convective_Avail_Pot_Energy_surface = Convective Avail. Pot. Energy @ surface = 157 (J/kg)
  • Convective_Avail_Pot_Energy = Convective Avail. Pot. Energy @ layer_between_two_pressure_difference_from_ground1 = 157 (J/kg)
  • Convective_cloud_cover = Convective cloud cover @ entire_atmosphere = 72 (%)
  • Convective_cloud_mass_flux = Convective cloud mass flux @ surface = 231 (Pa/s)
  • Convective_inhibition_surface = Convective inhibition @ surface = 156 (J/kg)
  • Convective_inhibition = Convective inhibition @ layer_between_two_pressure_difference_from_ground1 = 156 (J/kg)
  • Convective_precip_rate = Convective precip. rate @ surface = 214 (kg/m^2/s)
  • Convective_precipitation = Convective precipitation @ surface = 63 (kg/m^2)
  • Covariance_T_and_w = Covariance T and w @ surface = 240 (K*m/s)
  • Dew_point_temperature = Dew point temperature @ isobaric4 = 17 (K)
  • Dew_point_temperature_layer_between_two_pressure_difference_from_ground = Dew point temperature @ layer_between_two_pressure_difference_from_ground2 = 17 (K)
  • Downward_long_wave_flux = Downward long wave flux @ surface = 205 (W/m^2)
  • Downward_short_wave_flux = Downward short wave flux @ surface = 204 (W/m^2)
  • Drag_coefficient = Drag coefficient @ surface = 252 (non-dim)
  • Evaporation = Evaporation @ surface = 57 (kg/m^2)
  • Exchange_coefficient = Exchange coefficient @ surface = 208 ((kg/m^3)(m/s))
  • Friction_velocity = Friction velocity @ surface = 253 (m/s)
  • Geopotential_height_surface = Geopotential height @ surface = 7 (gpm)
  • Geopotential_height_hybrid = Geopotential height @ hybrid1 = 7 (gpm)
  • Geopotential_height = Geopotential height @ isobaric = 7 (gpm)
  • Geopotential_height_maximum_wind = Geopotential height @ maximum_wind = 7 (gpm)
  • Geopotential_height_zeroDegC_isotherm = Geopotential height @ zeroDegC_isotherm = 7 (gpm)
  • Geopotential_height_highest_tropospheric_freezing = Geopotential height @ highest_tropospheric_freezing = 7 (gpm)
  • Geopotential_height_adiabatic_condensation_lifted = Geopotential height @ adiabatic_condensation_lifted = 7 (gpm)
  • Geopotential_height_lowest_level_of_wet_bulb_zero = Geopotential height @ lowest_level_of_wet_bulb_zero = 7 (gpm)
  • Ground_heat_flux = Ground heat flux @ surface = 155 (W/m^2)
  • High_level_cloud_cover = High level cloud cover @ high_cloud_layer = 75 (%)
  • Horizontal_moisture_divergence = Horizontal moisture divergence @ isobaric3 = 135 (kg/kg/s)
  • Horizontal_moisture_divergence_layer_between_two_pressure_difference_from_ground = Horizontal moisture divergence @ layer_between_two_pressure_difference_from_ground2 = 135 (kg/kg/s)
  • Horizontal_moisture_divergence_hybrid = Horizontal moisture divergence @ hybrid1 = 135 (kg/kg/s)
  • Ice_concentration_ice1no_ice0 = Ice concentration ice=1;no ice=0 @ surface = 91 (fraction)
  • K_index = K index @ hybrid1 = 133 (K)
  • Land_cover_land1sea0 = Land cover land=1;sea=0 @ surface = 81 (fraction)
  • Large_scale_precipitation = Large scale precipitation @ surface = 62 (kg/m^2)
  • Latent_heat_flux = Latent heat flux @ surface = 121 (W/m^2)
  • Lifted_parcel_condensation_pressure = Lifted parcel condensation pressure @ surface = 159 (Pa)
  • Low_level_cloud_cover = Low level cloud cover @ low_cloud_layer = 73 (%)
  • Mean_sea_level_pressure_ETA_model = Mean sea level pressure ETA model @ msl = 130 (Pa)
  • Meridional_momentum_flux = Meridional momentum flux @ surface = 125 (N/m^2)
  • Mid_level_cloud_cover = Mid level cloud cover @ middle_cloud_layer = 74 (%)
  • Moisture_availability = Moisture availability @ layer_between_two_depths_below_surface1 = 207 (%)
  • Parcel_lifted_index_to_500_hPa = Parcel lifted index to 500 hPa @ layer_between_two_pressure_difference_from_ground2 = 24 (K)
  • Planetary_boundary_layer_height = Planetary boundary layer height @ surface = 221 (m)
  • Plant_canopy_surface_water = Plant canopy surface water @ surface = 223 (kg/m^2)
  • Pot_evaporation = Pot. evaporation @ surface = 228 (kg/m^2)
  • Potential_temperature = Potential temperature @ layer_between_two_pressure_difference_from_ground2 = 13 (K)
  • Potential_temperature_height_above_ground = Potential temperature @ height_above_ground1 = 13 (K)
  • Potential_vorticity_mass_weighted = Potential vorticity mass-weighted @ entire_atmosphere = 139 (1/s/m)
  • Precipitable_water = Precipitable water @ entire_atmosphere = 54 (kg/m^2)
  • Precipitable_water_layer_between_two_pressure_difference_from_ground = Precipitable water @ layer_between_two_pressure_difference_from_ground2 = 54 (kg/m^2)
  • Precipitation_rate = Precipitation rate @ surface = 59 (kg/m^2/s)
  • Pressure_reduced_to_MSL = Pressure reduced to MSL @ msl = 2 (Pa)
  • Pressure_vertical_velocity = Pressure vertical velocity @ isobaric = 39 (Pa/s)
  • Pressure_vertical_velocity_hybrid = Pressure vertical velocity @ hybrid1 = 39 (Pa/s)
  • Pressure_vertical_velocity_layer_between_two_pressure_difference_from_ground = Pressure vertical velocity @ layer_between_two_pressure_difference_from_ground3 = 39 (Pa/s)
  • Pressure_surface = Pressure @ surface = 1 (Pa)
  • Pressure_hybrid = Pressure @ hybrid1 = 1 (Pa)
  • Pressure = Pressure @ layer_between_two_pressure_difference_from_ground = 1 (Pa)
  • Pressure_maximum_wind = Pressure @ maximum_wind = 1 (Pa)
  • Pressure_cloud_tops = Pressure @ cloud_tops = 1 (Pa)
  • Pressure_tropopause = Pressure @ tropopause = 1 (Pa)
  • Pressure_cloud_base = Pressure @ cloud_base = 1 (Pa)
  • Pressure_convective_cloud_bottom = Pressure @ convective_cloud_bottom = 1 (Pa)
  • Pressure_convective_cloud_top = Pressure @ convective_cloud_top = 1 (Pa)
  • Pressure_shallow_convective_cloud_bottom = Pressure @ shallow_convective_cloud_bottom = 1 (Pa)
  • Pressure_shallow_convective_cloud_top = Pressure @ shallow_convective_cloud_top = 1 (Pa)
  • Pressure_deep_convective_cloud_bottom = Pressure @ deep_convective_cloud_bottom = 1 (Pa)
  • Pressure_deep_convective_cloud_top = Pressure @ deep_convective_cloud_top = 1 (Pa)
  • Pressure_grid_scale_cloud_bottom = Pressure @ grid_scale_cloud bottom = 1 (Pa)
  • Pressure_grid_scale_cloud_top = Pressure @ grid_scale_cloud_top = 1 (Pa)
  • Pressure_adiabatic_condensation_lifted = Pressure @ adiabatic_condensation_lifted = 1 (Pa)
  • Prob_of_frozen_precipitation = Prob. of frozen precipitation @ surface = 194 (%)
  • Rain_water_mixing_ratio = Rain water mixing ratio @ hybrid1 = 170 (kg/kg)
  • Rain_water_mixing_ratio_surface = Rain water mixing ratio @ surface = 170 (kg/kg)
  • Relative_humidity_height_above_ground = Relative humidity @ height_above_ground2 = 52 (%)
  • Relative_humidity_layer_between_two_pressure_difference_from_ground = Relative humidity @ layer_between_two_pressure_difference_from_ground4 = 52 (%)
  • Relative_humidity_hybrid = Relative humidity @ hybrid1 = 52 (%)
  • Relative_humidity = Relative humidity @ isobaric = 52 (%)
  • Relative_humidity_zeroDegC_isotherm = Relative humidity @ zeroDegC_isotherm = 52 (%)
  • Relative_humidity_layer_between_two_sigmas = Relative humidity @ layer_between_two_sigmas = 52 (%)
  • Sensible_heat_flux = Sensible heat flux @ surface = 122 (W/m^2)
  • Snow_cover = Snow cover @ surface = 238 (%)
  • Snow_depth = Snow depth @ surface = 66 (m)
  • Snow_melt = Snow melt @ surface = 99 (kg/m^2)
  • Snow_mixing_ratio = Snow mixing ratio @ hybrid1 = 171 (kg/kg)
  • Snow_mixing_ratio_surface = Snow mixing ratio @ surface = 171 (kg/kg)
  • Snow_phase_change_heat_flux = Snow phase-change heat flux @ surface = 229 (W/m^2)
  • Soil_moisture_content = Soil moisture content @ layer_between_two_depths_below_surface1 = 86 (kg/m^2)
  • Soil_temperature = Soil temperature @ layer_between_two_depths_below_surface = 85 (K)
  • Soil_temperature_depth_below_surface = Soil temperature @ depth_below_surface = 85 (K)
  • Soil_type_Zobler = Soil type Zobler @ surface = 224 (0..9)
  • Specific_humidity_hybrid = Specific humidity @ hybrid1 = 51 (kg/kg)
  • Specific_humidity = Specific humidity @ isobaric = 51 (kg/kg)
  • Specific_humidity_height_above_ground = Specific humidity @ height_above_ground = 51 (kg/kg)
  • Specific_humidity_layer_between_two_pressure_difference_from_ground = Specific humidity @ layer_between_two_pressure_difference_from_ground = 51 (kg/kg)
  • Specific_humidity_surface = Specific humidity @ surface = 51 (kg/kg)
  • Std_dev_of_IR_T_over_1x1_deg_area = Std. dev. of IR T over 1x1 deg area @ surface = 219 (K)
  • Storm_relative_helicity = Storm relative helicity @ layer_between_two_heights_above_ground = 190 (m^2/s^2)
  • Storm_surface_runoff = Storm surface runoff @ surface = 235 (kg/m^2)
  • Stream_function = Stream function @ isobaric1 = 35 (m^2/s)
  • Surface_lifted_index = Surface lifted index @ layer_between_two_isobaric = 131 (K)
  • Surface_roughness = Surface roughness @ surface = 83 (m)
  • Surface_wind_gust = Surface wind gust @ surface = 180 (m/s)
  • Sweat_index = Sweat index @ entire_atmosphere = 134 (K)
  • Temperature_height_above_ground = Temperature @ height_above_ground2 = 11 (K)
  • Temperature_layer_between_two_pressure_difference_from_ground = Temperature @ layer_between_two_pressure_difference_from_ground = 11 (K)
  • Temperature_hybrid = Temperature @ hybrid1 = 11 (K)
  • Temperature = Temperature @ isobaric = 11 (K)
  • Temperature_tropopause = Temperature @ tropopause = 11 (K)
  • Temperature_cloud_tops = Temperature @ cloud_tops = 11 (K)
  • Temperature_surface = Temperature @ surface = 11 (K)
  • Total_cloud_cover = Total cloud cover @ entire_atmosphere = 71 (%)
  • Total_precipitation = Total precipitation @ surface = 61 (kg/m^2)
  • Turbulent_kinetic_energy_hybrid = Turbulent kinetic energy @ hybrid1 = 158 (J/kg)
  • Turbulent_kinetic_energy = Turbulent kinetic energy @ isobaric = 158 (J/kg)
  • u_wind_height_above_ground = u wind @ height_above_ground1 = 33 (m/s)
  • u_wind_layer_between_two_pressure_difference_from_ground = u wind @ layer_between_two_pressure_difference_from_ground = 33 (m/s)
  • u_wind_hybrid = u wind @ hybrid = 33 (m/s)
  • u_wind = u wind @ isobaric = 33 (m/s)
  • u_wind_tropopause = u wind @ tropopause = 33 (m/s)
  • u_wind_maximum_wind = u wind @ maximum_wind = 33 (m/s)
  • u_component_of_storm_motion = u-component of storm motion @ layer_between_two_heights_above_ground1 = 196 (m/s)
  • Upward_long_wave_flux = Upward long wave flux @ surface = 212 (W/m^2)
  • Upward_long_wave_flux_atmosphere_top = Upward long wave flux @ atmosphere_top = 212 (W/m^2)
  • Upward_short_wave_flux = Upward short wave flux @ atmosphere_top = 211 (W/m^2)
  • Upward_short_wave_flux_surface = Upward short wave flux @ surface = 211 (W/m^2)
  • v_wind_height_above_ground = v wind @ height_above_ground1 = 34 (m/s)
  • v_wind_layer_between_two_pressure_difference_from_ground = v wind @ layer_between_two_pressure_difference_from_ground = 34 (m/s)
  • v_wind_hybrid = v wind @ hybrid = 34 (m/s)
  • v_wind = v wind @ isobaric = 34 (m/s)
  • v_wind_maximum_wind = v wind @ maximum_wind = 34 (m/s)
  • v_wind_tropopause = v wind @ tropopause = 34 (m/s)
  • v_component_of_storm_motion = v-component of storm motion @ layer_between_two_heights_above_ground1 = 197 (m/s)
  • VAFTAD = VAFTAD?? @ surface = 203 (??)
  • Vegetation_type_as_in_SiB = Vegetation type as in SiB @ surface = 225 (0..13)
  • Vegetation = Vegetation @ surface = 87 (%)
  • Vertical_diffusion_heating = Vertical diffusion heating @ surface = 246 (K/s)
  • Vertical_diffusion_meridional_accel = Vertical diffusion meridional accel @ surface = 248 (m/s^2)
  • Vertical_diffusion_moistening = Vertical diffusion moistening @ surface = 249 (kg/kg/s)
  • Vertical_diffusion_zonal_accel = Vertical diffusion zonal accel @ surface = 247 (m/s^2)
  • Vertical_speed_shear = Vertical speed shear @ tropopause = 136 (1/s)
  • Vertical_speed_shear_entire_atmosphere = Vertical speed shear @ entire_atmosphere = 136 (1/s)
  • Visibility = Visibility @ surface = 20 (m)
  • Volumetric_soil_moisture = Volumetric soil moisture @ layer_between_two_depths_below_surface = 144 (fraction)
  • Water_temperature = Water temperature @ surface = 80 (K)
  • x_gradient_of_log_pressure = x-gradient of log pressure @ surface = 181 (1/m)
  • Zonal_momentum_flux = Zonal momentum flux @ surface = 124 (N/m^2)

GeospatialCoverage:

• Longitude: -133.58286 to -49.02972000000001 degrees_east
• Latitude: 11.96894 to 57.38164999999999 degrees_north
• Altitude: 1000.0 to 50.0 Resolution=-25.0 hPa (positive is down)

TimeCoverage:

• Start: 2009-06-18 18:00:00Z
• End: 2009-06-18 21:00:00Z
• Duration: 3 hours

Viewers:

• Integrated Data Viewer (IDV) (webstart)
• NetCDF-Java Tools (webstart)