Notation	Name	Description	Status
1	Model ''ground'' surface		stable
2	Standard level		stable
3	Tropopause level		stable
4	Maximum wind level		stable
5	Significant temperature level		stable
6	Significant humidity level		stable
7	Significant wind level		stable
8	Vertically interpolated level (This should be set to 1 for points on the vertical profile that fall between the model's native vertical levels.)		stable
9	Virtual station height		stable