namelist initJET¶

Manipulation of the setup is possible via namelist.initJET

Overview of the variables in the namelist:

prog¶

var	description
debug	flag for debugging, prints info to screen [T/F]
wrf_file	flag for generating 3D input file for WRF (unformatted fortran) [T/F]
nc_file	flag for generating 2D .nc file containing all variables [T/F]

var	description
nx	number of gridpoints in meridonal direction
ny	number of gridpoints in zonal direction
nz	number of gridpoints in vertical
Lx	meridional domain length (m)
Ly	zonal domain length (m)
Lz	domain depth (m)
f	coriolis parameter

var	description
U_type	choosing jet-type [1,2,…]
U_max	maximum zonal windspeed (m)
U_width	width of the jet (m), not necessary equal to meridional domain size
U_top	top of the jet (m)
U_bottom	bottom of the jet (m), can be negative, resulting in surface winds
S_tr	shear-shape parameter in troposphere [default=1]
S_st	shear-shape parameter in stratosphere [default=1]
h_llj	height low-level jet (m)
y_llj	width low-level jet (m)
nh_llj	shape parameter low-level jet (vertical)
ny_llj	shape parameter low-level jet (horizontal)
H1	height segment 1 reverse shear jet (m)
H2	height segment 2 reverse shear jet (m)
H3	height segment 3 reverse shear jet (m)
H4	height segment 4 reverse shear jet (m)
H1s	shape parameter for H1
H2s	shape parameter for H2
H3s	shape parameter for H3
H4s	shape parameter for H4
A1	amplitude for H1 and H2 reverse shear jet (ms-1)
A2	amplitude for H3 and H4 reverse shear jet (ms-1)
add_BT	flag for including barotropic shear [T/F]
BT_type	choosing barotropic shear type [1,2,…..]
BT_max	maximum shear, neg=anti-cyclonic, pos=cyclonic
brd_llj	height for maximum of low level jet (m) (U_type=7)
pr_llj	incline of the low level jet below brd_llj (>0)
h2_llj	height low-level jet bottom segment(m)
scl	default=1, scale for the windspeed at ground
hor_leng	length of the plateau in the wind profile (m)
S_o	shear-shape parameter above the wind maximum (U_type=8)
S_u	shear-shape parameter below the wind maximum (U_type=8)
S_h	shear-shape paramter in horizontal direction

var	description
p0	surface pressure at vertical boundary (Pa)
th0	surface temperate at (same) vertical boundary (K)
tropo_hgt	height of the tropopause (m)
N2_tr	brunt_vaisalla frequency in the troposphere (s-1)
N2_st	brunt_vaisalla frequency in the stratosphere (s-1)
bc_vert	choosing vertical boundary [0=south,1=north]
bouss	use boussinesq implementation (for testing/comparing) [T/F]

var	description
add_moist	flag for including moisture [T/F]
RH_type	choosing relative humidity profile [1,2,…..]
RH_max	surface (maximum) relative humidity
RH_min	minimum relative humidity
RH_hgt	height parameter for relative humidity (m)
RH_shape	shape parameter for relative humidity [default=2]

var	description
add_pert	flag for including perturbation [T/F]
rebalance	flag for balancing temperature perturbation [T/F]
P_type	choosing perturbation [1,2,…..]
P_ratio	amplitude ratio warm/cold side of the UL perturbation (>1=PV+)
P_sfc	flag for surface perturbation [T/F]
P_n	perturbation equation: cos^(P_n)
P_hgt	height of the upper-level perturbation (m)
P_rad	horizontal radius of the perturbation (m)
P_z	depth of the perturbation (m)
P_amp	amplitude of the perturbation (K)
P_nx	zonal location of the perturbation (gridpoints)
P_ny	meridional location of the perturbation (gridpoints)

Some additional choices are added to the namelist.input of WRF

var	description
nx_input	number of gridpoint of the input-jet in NS-direction
ny_input	number of gridpoint of the input-jet in EW-direction
dz_input	dz for the input-jet
sst_t0_diff	difference between SST and Tsfc_atmosphere (default=0)
f_jet	corriolis parameter (default=1.e-4)

var	description
moistFluxOn	controlling the intensity of the surface moisture flux [range: 0-1, default=1]
sensFluxOn	controlling the intensity of the surface heat flux [range: 0-1, default=1]
add_seaice	flag for switching on sea-ice (default=false)