!     -----------------------------------------------------------------
!*    *COMMON* *YOEGWD* - PARAMETERS FOR GRAVITY WAVE DRAG CALCULATIONS
!     -----------------------------------------------------------------
!
      real    ::  GFRCRIT,GRCRIT,GVCRIT,GKDRAG,GKDRAGL,GHMAX
      real    ::   GRAHILO,GSIGCR,GSSEC, GTSEC,  GVSEC, GKWAKE
      integer ::  NKTOPG
      COMMON/YOEGWD/ GFRCRIT,GRCRIT,GVCRIT,GKDRAG,GKDRAGL,GHMAX         &
     &             ,GRAHILO,GSIGCR,NKTOPG,GSSEC, GTSEC, GVSEC,GKWAKE