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      SUBROUTINE INIRAS 1,4
*
#include "impnone.cdk"
*
*Author
*          B. Bilodeau (Apr 97)
*
*Revisions
* 001      B. Dugas    (Aug 2005) - RASDATA defined in INIRAS_DATA
*
*Object
*          initialize common block RASDATA for RAS convection scheme
*
*Arguments
*
*Notes
*          The code of INIRAS has been extracted from 
*          s/r MRACRITN in order to make it reentrant.
*
**
*
      INTEGER L
      REAL TEM
*
#include "rasdata.cdk"
*
      ACTOP   = ACTP*FACM
      DO 5 L=1,15
      A(L) = A(L)*FACM
    5 CONTINUE
      DO 10 L=2,15
      TEM   = PH(L) - PH(L-1)
      AU(L) = A(L-1) / TEM
      AD(L) = A(L)   / TEM
      AC(L) = PH(L)*AU(L) - PH(L-1)*AD(L)
      AD(L) = AD(L) - AU(L)
   10 CONTINUE
*
      RETURN
      END
      BLOCK DATA INIRAS_DATA
*
#include "rasdata.cdk"
*
      DATA PH/150.0, 200.0, 250.0, 300.0, 350.0, 400.0, 450.0, 500.0
     *,       550.0, 600.0, 650.0, 700.0, 750.0, 800.0, 850.0/
 
      DATA A/ 1.6851, 1.1686, 0.7663, 0.5255, 0.4100, 0.3677
     *,       0.3151, 0.2216, 0.1521, 0.1082, 0.0750, 0.0664
     *,       0.0553, 0.0445, 0.0633/
 
      DATA AD/15*0.0/, AC/15*0.0/, ACTOP/0.0/
*
      END BLOCK DATA INIRAS_DATA