Categories - Atmosphere
Sub Categories
- Atmospheric Composition and Dynamics - 32 projects
- Atmospheric Chemistry and Aerosol - 23 projects
- Meteorological Observation and Forecast - 68 projects
- Atmospheric Dispersion and Transport - 7 projects
- Radiative Transfer - 17 projects
Topics
aerosol, radiative-transfer-models, hodograph, troposphere, stratosphere, wmo, bufr, sounding, infrared, deutscher-wetterdienst, gempak, geophysical-fluid-dynamics, radiation, skew-t, weather-model, united-states, weatherservice, decoding, encoding, clouds, lagrangian-dynamics, velocity-potential, successive-over-relaxation, lagrangian-particles, superdropletmodel, superdroplets, superdrops, foucastnet, met-data, gridded, wrf-arw, aerosol-microphysics, chemical-scheme, indoor-air-quality, environment-canada, aerosol-chambers, weather-downloader, graph-neural-networks, jet-stream, atmospheric-physics, nvrtc, rttov, wind-driven-circulation, particle-system, pint, thrust, decision-trees, metview, community-modeling, forecast-model, iowa, data-structures, airports, asos, iowa-environment-mesonet, metar, corrections, retrieval, flight-planning, mission-support-system, aerosols, atmospheric-chemistry-modeling, mercury, particulate-matter, pyart, radar-processing, weather-radars, auto-encoder, data-compression, numerical-weather-forecasting, ocean-atmosphere-model, planetary-atmospheres, academia, plots, visualization-tools, mwx, vaisala, cfgrib, ecmwf-data, grib2, nomads, rap, escience, nsf, nsf-access, nsf-unidata, science-gateway, f2py, lowtran, aerocom, application, scr-2664, quality-assurance, kpp, goes16, goes17, ceilometer, atmospheric-sciences, cape, cin, convective-parameters, download-sounding, rawinsonde, thunder, tornado, imd, cloudcasting, manchester-prize, turing-ocf, smhi, process-safety, microwave-remote-sensing, analogue, arl, cmaq, mit, awips, awips-data, cave, data-server, edex, foss, hibernate, httpd-server, albedo, albedo-maps, imgw, ogimet, ctm, geos-cf, geos5, dispersion, air-quality-model-evaluation, model-evaluation-metrics, astrophysics, hitemp, hitran, plasma, plasma-physics, dwd-weather, hass, weather-entity, speed, eliassen-model, gill-matsuno-model, inversion-problem, munk-stommel, omega-equation, poisson-equation, pv-inversion, streamfunction, dispersion-model, trajectories, gaw, ozone, ozonesonde, spectral, totalozone, ultraviolet, umkehr, uv, odb, aurora-model, foundation-models, ocean-waves, tropical-cyclone-tracking, weather-prediction, wms, ode-solver, air-quality-model,
Projects
Contributors
Mark D. Butala [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
Esaeleon [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
Markus [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Dispersion and Transport
Topics:
Pankaj Kumar [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
tmitchell90 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology
Patrick Eriksson [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmospheric-science, radiative-transfer
Stefan Buehler [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmospheric-science, radiative-transfer, atmospherice-science
Vasileios Barlakas [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmospheric-science, radiative-transfer
Alex Bobryshev [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmospheric-science, radiative-transfer
Benjamin Hillman [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
climate-model, radiative-transfer, climate-models, correlated-k, radiative-transfer-models
Brad Richardson [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
climate-model, radiative-transfer, caf, coarray, coarray-fortran, communication-library, easier-than-mpi, easy-to-use, gfortran, numerical-calculations and 26 more
Fabian.Jakub [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models
Will Sawyer [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
climate-model, radiative-transfer
Sebastian Schunke [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
earth-observation, radiative-transfer
Nicolas Misk [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
earth-observation, radiative-transfer
HermannTheGreatMaster [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models
felixnegwer [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models
Max.Eckl [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models
Carolin.Klinger [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models
Sebastian Schubert [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models, cosmo-clm, dcep and 1 more
Nina.Crnivec [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmosphere-model, atmospheric-modelling, atmospheric-science, large-eddy-simulation, numerical-weather-prediction, radiation, radiative-transfer, radiative-transfer-models
Marcel Dopita [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast
Johann Sebastian Schicho [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast, curl, ftp, gopher, imaps, ldap, libcurl, pop3 and 5 more
drmrbrewer [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast, dates, datetime, intl, times, timezones
Renan Rafael Bertoldo [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast
Saxo_Broko [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast
Tom Pisel [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast
Paul Murrell [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
atmospheric-science, choropleth-maps, thematic-maps, visualisation, plotly, shiny
paulponcet [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
global, met-data, dplyr, multiprocess
nutterb [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
global, met-data, tidy-data, data-assertions, data-checker, data-dictionaries, data-frames, data-inference, data-management, data-profiler and 9 more
Michael Roth [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
academia, air-quality, atmospheric-modelling, atmospheric-science, forecasting-models, grib, meteorology, nwp, qgis-plugin, urban-planning and 10 more
Angelo Delefortrie [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast, elevation, gdal, grpc, meteo, open-meteo, delivery-note, invoice and 1 more
Martin Fencl [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
Vikas Negi [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast, automated-trading, coinbase-api, coinbase-pro, cryptocurrency-exchanges, bitcoin-api, cryptocurrency, plotly-dash
Andreas Hilboll [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
flight-planning, mission-support-system, scientific-software
Ming Chen [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
climate, nwp, weather, wrf, atmospheric-modelling, atmospheric-science, grib, hpc-applications, meteorology, numerical-modelling and 16 more
Maciej Waruszewski [email protected]
OST Projects: 1
Categories: Atmosphere, Climate Change
Sub Categories: Atmospheric Chemistry and Aerosol, Earth and Climate Modeling
Topics:
climate, climate-change, cuda-toolkit, julia-library
Mohammed Anas [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-api, weather-forecast, physics, purescript, unit-conversion, units, fish, calculator, mathematical-expressions and 9 more
wyq [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
jython, meteorology, cdm, geodata, geoscience, grib, hdf4, hdf5, ncml, netcdf-java and 16 more
Alex Karezin [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
jython, meteorology, container, coreprofile, embedded, enterprise, jakarta, jakartaee, micro, piranha and 29 more
liu14 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Dispersion and Transport
Topics:
atmospheric-modelling, atmospheric-science, climate, climate-science, dispersion, dispersion-model, meteorology, stratosphere, trajectories, troposphere
Kanishk Pachauri [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
flight-planning, mission-support-system, http-client, urllib3
Nathan Goldbaum [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
closember, pyart, radar-processing, weather-radars, bleeding-edge, computer-algebra, modern, sympy, advection, astrophysical-simulation and 32 more
Himanshu [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
flight-planning, mission-support-system, experimental, flint, flint-cloud, flint-ui, moja-global, blockly, requirejs, samples and 29 more
Ana Castaneda [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
atmospheric-science, hodograph, meteorology, skew-t, weather, weather-data
Christian F [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
atmospheric-science, hodograph, meteorology, skew-t, weather, weather-data
Sam Gardner [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
atmospheric-science, hodograph, meteorology, skew-t, weather, weather-data
rwalton91 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
atmospheric-science, hodograph, meteorology, skew-t, weather, weather-data
sec147 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
atmospheric-science, hodograph, meteorology, skew-t, weather, weather-data
Kevin Ngai [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
gaw, ozone, ozonesonde, spectral, totalozone, ultraviolet, umkehr, uv, wmo
Simran Mattu [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
gaw, ozone, ozonesonde, spectral, totalozone, ultraviolet, umkehr, uv, wmo
victoriarspada [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
gaw, ozone, ozonesonde, spectral, totalozone, ultraviolet, umkehr, uv, wmo
BobMDu [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
gaw, ozone, ozonesonde, spectral, totalozone, ultraviolet, umkehr, uv, wmo
Victoria Spada [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
gaw, ozone, ozonesonde, spectral, totalozone, ultraviolet, umkehr, uv, wmo
JoshLovesFun [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Dispersion and Transport
Topics:
Sabine Griessbach [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Dispersion and Transport
Topics:
atmospheric-modelling, atmospheric-science, climate, climate-science, dispersion, dispersion-model, meteorology, stratosphere, trajectories, troposphere
Catrin [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Dispersion and Transport
Topics:
atmospheric-modelling, atmospheric-science, climate, climate-science, dispersion, dispersion-model, meteorology, stratosphere, trajectories, troposphere
jjdd [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
bufr, earth-science, grib, meteorology, odb, weather
Carlos Valiente [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
bufr, earth-science, grib, meteorology, odb, weather, climate-data, copernicus, meteorological-data, pydata and 11 more
Ana Espinoza [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
atmospheric-science, cloud-computing, escience, geoscience, nsf, science-gateways, unidata, xsede, geodata, geospatial-data and 6 more
Ignacio Lopez-Gomez [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
research, attention, jax, transformers, vision-transformer
Yilei Yang [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
bayesian-methods, probabilistic-programming, calculator, graph-based, graph-framework, inference, mediapipe, mobile-development, perception, pipeline-framework and 77 more
dcedgren [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
closember, pyart, radar-processing, weather-radars
Bhupendra Raut [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
closember, pyart, radar-processing, weather-radars
Jatan Buch [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
atmospheric-modelling, atmospheric-physics, nvrtc, particle-system, physics-simulation, pint, research, thrust
Andrew El-Kadi [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-forecast
Louka Ewington-Pitsos [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
weather, weather-forecast, data-mining, decision-trees, distributed, gbdt, gbm, gbrt, gradient-boosting, kaggle and 5 more
Lionel GUEZ [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
atmospheric-modelling, climate-science, fortran2003, gcm, gdal, interpolation, comparison-tool, dbf-files, netcdf-files, shapefiles
lrobion [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
Raymond Speth [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
combustion, flames, kinetics, chemistry, chemistry-discovery, reactions, thermodynamics
Dylan Drake [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
prbartman [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
atmospheric-modelling, atmospheric-physics, nvrtc, particle-system, physics-simulation, pint, research, thrust, advection, advection-diffusion and 10 more
Kirk North [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
closember, pyart, radar-processing, weather-radars
Mosè Giordano [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
ensemble-learning, pipelines, predictive-modeling, stacking, tuning-parameters, petsc, pcl, point-cloud, pointcloud, mpi and 39 more
rocroc2017 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
Gavin Evans [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Caroline Jones [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Laurence Beard [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Chris Sampson [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Simon Jackson [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Max White [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Phil Relton [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Phoebe Lambert [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Sam Griffiths [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Prajwal Borkar [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather, automated-machine-learning, automl, finetuning, hyperparam, hyperparameter-optimization, natural-language-generation, tabular-data, timeseries-forecasting and 15 more
Andreas Motl [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
climate, meteostat, weather, weather-stations, air-quality, air-quality-data, air-quality-measurements, air-quality-sensor, irceline, luftdaten and 66 more
Michael Haberler [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
climate, meteostat, weather, weather-stations, gauge, instruments, signalk, closember, geojson
FL550 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
deutscher-wetterdienst, deutscherwetterdienst, dwd, forecast-data, weather-data, weather-forecast, dwd-weather, hacs, hass, weather and 1 more
David Fillmore [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
atmospheric-chemistry, atmospheric-modeling, atmospheric-science, ode-solver
Qina Tan [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Chemistry and Aerosol
Topics:
atmospheric-chemistry, atmospheric-modeling, atmospheric-science, ode-solver
Nilupul Manodya [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
flight-planning, mission-support-system
Nancy Rehak [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Atmospheric Composition and Dynamics
Topics:
taohan10200 [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
data-assimilation, downscaling, larger-weather-models, numerical-weather-prediction, precipitation, auto-encoder, data-compression, era5, numerical-weather-forecasting
Alexander Soklev [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Radiative Transfer
Topics:
climate-model, radiative-transfer
Robert Neal [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
meteorology, weather
Jeremy Selva [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
environment-canada, weather-data, weather-downloader
mciechan [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
environment-canada, weather-data, weather-downloader
Hank Fisher [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
Molly Smith [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
Tatiana Burek [email protected]
OST Projects: 1
Categories: Atmosphere
Sub Categories: Meteorological Observation and Forecast
Topics:
gsi, met, upp, wrf