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Comment: update list of variables with ua100 and va100

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The following table provides the encoding standards for all the surface variables defined at a given height level. The baseline list of variables is the variables used in the C3S.



attributes

name
(CMIP5/6&C3S)		dimensionsstandard_namelong_name
(CMIP5/6&C3S)		unitscoordinatescell_methodsvalid_minvalid_maxglobal attributes
Controlled Vocabulary
Note
tasleadtime,lat,lonair_temperature"Near-Surface Air Temperature"K

"reftime realization time leadtime height lat lon"



"leadtime: point"

C3S: required 
CF: recommended



 "frequency": "<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 2m
  • height:valid_min = 1.;
  • height:valid_max = 10. ;


  • For C3S: "frequency":"6hr"

 

 

tasmaxleadtime,lat,lonair_temperature"Daily Maximum Near-Surface Air Temperature"K

"reftime realization time leadtime height lat lon"

"leadtime: maximum (interval: <value> <unit>)"

C3S: interval is required.
CF: interval is optional
 


"frequency": "<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 2m
  • height:valid_min = 1.;
  • height:valid_max = 10. ;
  • leadtime_bnds, time_bnds are required


  • For C3S:
    • "frequency":"day"
    • The interval is required to have a value<=3 hours)
tasminleadtime,lat,lonair_temperature"Daily Minimum Near-Surface Air Temperature"K

"reftime realization time leadtime height lat lon"

"leadtime: minimum (interval: <value> <unit>)"

C3S: interval is required.
CF: interval is optional


"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 2m
  • height:valid_min = 1.;
  • height:valid_max = 10. ;
  • leadtime_bnds, time_bnds are required


  • For C3S:
    • "frequency":"day"
    • The interval is required to have a value<=3 hours)


tdpsleadtime,lat,londew_point_temperature"2m Dewpoint Temperature"K"reftime realization time leadtime height lat lon""leadtime: point"

C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 2m
  • height:valid_min = 1.;
  • height:valid_max = 10. ;


  • For C3S: "frequency":"6hr"
uasleadtime,lat,lonx_windEastward Near-Surface Windm s-1"reftime realization time leadtime height lat lon""leadtime: point"

C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 10m
  • height:valid_min = 1.;
  • height:valid_max = 30. ;


  • For C3S:  "frequency":"6hr"
vasleadtime,lat,lony_windNorthward Near-Surface Windm s-1"reftime realization time leadtime height lat lon""leadtime: point"

C3S: required 
CF: recommended

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"


height is usually 10m 

height:valid_min = 1.;
height:valid_max = 30. ;


  • For C3S:  "frequency":"6hr"

 

wsgmax


N/A in CMIP

leadtime,lat,lonwind_speed_of_gust

"Maximum Wind Speed of Gust"


N/A in CMIP

m s-1"reftime realization time leadtime height lat lon" "leadtime: maximum (interval: <value> <unit>)"
C3S: interval is required.
CF: interval is optional
 

"frequency":"<frequency_value>"
"level_type": "surface"
"modeling_realm":"atmos"

  • height is usually 10m
  • height:valid_min = 1.;
  • height:valid_max = 30. ;
  • leadtime_bnds, time_bnds are required

 

  • For C3S: 
    •  "frequency":"day"
    • The interval is required to have a value<=3 hours)
ua100mleadtime,lat,lonx_windEastward Wind at 100mm s-1"reftime realization time leadtime height lat lon""leadtime: point"

C3S: required 
CF: recommended

"frequency":"6hr"
"level_type": "surface"
"modeling_realm":"atmos"

height=100m;

va100mleadtime,lat,lony_windNorthward Wind at 100mm s-1"reftime realization time leadtime height lat lon""leadtime: point"

C3S: required 
CF: recommended

"frequency":"6hr"
"level_type": "surface"
"modeling_realm":"atmos"

height=100m;

Surface Fields (not defined at a height level)

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