& exch2_tNx, exch2_tNy,
INTEGER exch2_tNy( W2_maxNbTiles )
exch2_tNy(I) = 0
tNy = exch2_tNy(myTileId)
exch2_tNy ( tId ) = tNy
jHi = exch2_tBasey(is)+exch2_tNy(is)
ELSEIF ( exch2_tNy(tN) .GT. ySize ) THEN
tNy = exch2_tNy(tN)
ELSEIF ( exch2_tNy(tN) .GT. exch2_global_Ny ) THEN