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Note:
More information on some input arrays can be found when moving the cursor above the corresponding field in the questionnaire. Those fields are also explained in the glossary.

WRF-ARW: Weather Research and Forecast, Advanced Research WRF

General information

Model name and version

short nameWRF-ARW
full nameWeather Research and Forecast, Advanced Research WRF
revisionVersion 2.1.2
dateJan 30, 2006
last change

Responsible for this information

namePeter Suppan
instituteInstitute for Meteorology and Climate Research (IM
addressKreuzeckbahnstr. 19
zip82467
cityGarmisch-Partenkirchen
countryGermany
phone08821-183-239
fax
e-mailpeter.suppan(belongs-to)imk.fzk.de

Additional information on the model

Contact person for model code

same as person above
nameAndreas Marx
instituteInstitute for Meteorology and Climate Research (IMK-IFU)
divisions
streetKreuzeckbahnstr. 19
zip82467
cityGarmisch-Partenkirchen
countryGermany
phone08821-183214
emailandreas.marx@imk.fzk.de
fax08821-183243

Model developer and model user

developer and user

Level of Knowledge needed to operate model

basic
intermediate
advanced
remarks

Model use at your institution

operational
for research
other use

Model code available?

is available?yes
more detailshttp://www.wrf-model.org/index.php

Minimum computer resources required

type
time needed for run
storage

Further information

documentationWilliam C. Skamarock, Joseph B. Klemp, Jimy Dudhia, David O. Gill, Dale M. Barker, Wei Wang, Jordan G. Powers (2005): A Description of the Advanced Research WRF Version 2, NCAR Technical Note NCAR/TN-468+STR
model references
webpagehttp://www.wrf-model.org/index.php; http://www.mmm.ucar.edu/wrf/users/
additional information

Model properties

Model type

2D
3D
meteorology
chemistry & transport

Model scale

microscale
mesoscale
macroscale
short term
long term

Meteorological variables

PrognosticDiagnostic
u
v
w
ζ
pv
T
θ
θl
p
Gph
ρ
qv
qt
qlc
qf
qsc
qlr
qsh
qsg
qss
N
E
ε
K
zi
other variables i
other variables ii
other variables iii

Approximations

Boussinesq
anelastic
hydrostatic
flat earth
remarks- compressible, non-hydrostatic Euler equations - terrain-following mass vertical coordinate

Parametrizations

Meteorology

turbulence scheme
deep convectionKF, Betts-Miller-Janjic, Grell-Devenyi-Ensemble
surface exchangecomputed in Land-Surface Models: 5-layer thermal, Noah-LSM, Rapid Update Cycle Model LSM
surface temperaturecomputed in Land-Surface Models: 5-layer thermal, Noah-LSM, Rapid Update Cycle Model LSM
surface humiditycomputed in Land-Surface Models: 5-layer thermal, Noah-LSM, Rapid Update Cycle Model LSM
radiationlongwave: RRTM, Eta GFDL, shortwave: MM5 Dudhia, Goddard, Eta GFDL
unresolved orographic drag
radiation in vegetation
radiation between obstacles
treatment of obstacles
clouds / rainKessler, Purdue Lin, WRF Single Moment 3-class (WSM3), WSM5, WSM6, ETA grid-scale cloud and precipitation
remarks

Initialization & boundary treatment

Initialization

chemistry & transport
meteorology3-dimensional initial conditions for real data

Input data (name sources for data, e.g. website)

orography
land use
obstacles
vegetation
meteorology
concentrations
emissions
remarks

Data assimilation

Meteorology
nudging technique
adjoint model
3D-VAR
4D-VAR
OI
details

Boundary conditions

Meteorology
surface
top
lateral inflow
lateral outflow

Nesting

Meteorology
one way
two way
other
variables nested
nesting online
nesting offline
data exchange by array
data exchange by file
time step for data exchange
explain method
variables nested
othermoving nests

Solution technique

Coordinate system and projection

Horizontal

cartesian
Lambert conformal
latitude / longitude
rotated lat. / long.

Vertical

z coordinate
surface fitted grid
pressurecoordinate
sigma coordinate
remarks

Numeric

Meteorology

Grid

Arakawa A
Arakawa B
Arakawa C
Arakawa D
Arakawa E
uniform grid
nonuniform grid
Euler

Time integration

explicit
split-explicit
semi-implicit
other

Spatial discretisation

momentum equations
scalar quantities
additional information
other

Model resolution

Meteorology

HorizontalVertical
max
min

Domain size

Meteorology

HorizontalVertical
max
min

Model Validation and Application

Validation & evaluation

Used validation & evaluation methods

analytic solutions
evaluated reference dataset
model intercomparison
additional validation & evaluation efforts
remarks

Application examples

application examples

Participation in specific model evaluation exercises

AQMEII
List experiments (AQMEII)
Cost728
List experiments (COST728)
HTAP
List experiments (HTAP)
MEGAPOLI
List experiments (MEGAPOLI)