ncep=.false. # true si ncep (ou era 40) , false si ecmwf
guide_u= y
guide_v= y
guide_T= n
guide_P= n
guide_Q= n

ini_anal=.true.
tau_min_u=0.0208333
tau_max_u=0.1
tau_min_v=0.0208333
tau_max_v=0.1
tau_min_T=0.0208333
tau_max_T=10