EMEP 150 Kilometer Grid - ESRI:102069

WKT

PROJCS["EMEP_150_Kilometer_Grid", 
	GEOGCS["GCS_Sphere_EMEP", 
		DATUM["D_Sphere_EMEP", 
			SPHEROID["Sphere_EMEP", 6370000.0, 0.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Stereographic_North_Pole"], 
	PARAMETER["False_Easting", 3.0], 
	PARAMETER["False_Northing", 37.0], 
	PARAMETER["Central_Meridian", -32.0], 
	PARAMETER["Standard_Parallel_1", 60.0], 
	UNIT["150_Kilometers", 150000.0]]

WKT2

PROJCRS["EMEP_150_Kilometer_Grid", 
	BASEGEOGCRS["GCS_Sphere_EMEP", 
		DATUM["D_Sphere_EMEP", 
			ELLIPSOID["Sphere_EMEP", 6370000.0, 0.0]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Longitude (lon)", east, 
			ORDER[1]], 
		AXIS["Latitude (lat)", north, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Stereographic_North_Pole", 
		METHOD["Stereographic_North_Pole"], 
		PARAMETER["False_Easting", 3.0, 
			LENGTHUNIT["150_Kilometers", 150000.0]], 
		PARAMETER["False_Northing", 37.0, 
			LENGTHUNIT["150_Kilometers", 150000.0]], 
		PARAMETER["Central_Meridian", -32.0], 
		PARAMETER["Standard_Parallel_1", 60.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["150_Kilometers", 150000.0], 
	ID["Esri", "102069"]]

Data from @esri/proj-codes

{
  "wkid": 102069,
  "latestWkid": 102069,
  "gcsWkid": 104128,
  "macro": "PE_PCS_EMEP_150KM",
  "name": "EMEP_150_Kilometer_Grid",
  "wkt": "PROJCS[\"EMEP_150_Kilometer_Grid\",GEOGCS[\"GCS_Sphere_EMEP\",DATUM[\"D_Sphere_EMEP\",SPHEROID[\"Sphere_EMEP\",6370000.0,0.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Stereographic_North_Pole\"],PARAMETER[\"False_Easting\",3.0],PARAMETER[\"False_Northing\",37.0],PARAMETER[\"Central_Meridian\",-32.0],PARAMETER[\"Standard_Parallel_1\",60.0],UNIT[\"150_Kilometers\",150000.0]]",
  "wkt2": "PROJCRS[\"EMEP_150_Kilometer_Grid\",BASEGEOGCRS[\"GCS_Sphere_EMEP\",DATUM[\"D_Sphere_EMEP\",ELLIPSOID[\"Sphere_EMEP\",6370000.0,0.0]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Longitude (lon)\",east,ORDER[1]],AXIS[\"Latitude (lat)\",north,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Stereographic_North_Pole\",METHOD[\"Stereographic_North_Pole\"],PARAMETER[\"False_Easting\",3.0,LENGTHUNIT[\"150_Kilometers\",150000.0]],PARAMETER[\"False_Northing\",37.0,LENGTHUNIT[\"150_Kilometers\",150000.0]],PARAMETER[\"Central_Meridian\",-32.0],PARAMETER[\"Standard_Parallel_1\",60.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"150_Kilometers\",150000.0],ID[\"Esri\",\"102069\"]]",
  "description": "EMEP 150 Kilometer Grid",
  "authority": "Esri",
  "version": "9.0.0",
  "deprecated": "no",
  "areaname": "Europe",
  "extent": {
    "slat": 34,
    "nlat": 85,
    "llon": -30,
    "rlon": 50
  }
}