GKSS Institute for Atmospheric Physics  
   German institute that does atmospheric measurement (satellite, cloud radar and in situ) and water cycle research (e.g. Baltex)
   http://w3.gkss.de/english/

University of Utah Department of Meteorology  
   
   http://www.met.utah.edu/

Atmospheric Radiation Measurement (ARM) Program  
   A large global change research program, with nowadays an emphasis on cloud measurements.
   http://www.arm.gov/

Environmental Technology Laboratory  
   Performs fundamental oceanic and atmospheric research and develops new remote-sensing systems and techniques.
   http://www.etl.noaa.gov/

Penn State Department of Meteorology  
   
   http://www.met.psu.edu/dept/

CLARA  
   Cloud and Radiation, measurement campaign of clouds in the Netherlands. Includes a large database with remote sensing measurements.
   http://www.knmi.nl/onderzk/atmoond/CLARA/index.html

NASA Goddard Institute for Space Studies (GISS)  
   Atmospheric research from space.
   http://www.giss.nasa.gov/

GKSS cloud radar group  
   Information on cloud radars and measurement examples of MIRACLE, the GKSS 95 GHz polarimetric cloud radar.
   http://w3.gkss.de/english/Radar/miracle.html

Snow Crystals  
   Information about the physics of snow crystals and snowflakes as well as the history of early scientific observations and photographs, how to take photos, preserving snow crystals, and unusual snowflakes.
   http://www.its.caltech.edu/~atomic/snowcrystals/

World Meteorological Organization  
   Geneva-based organization providing scientific voice on the state and behaviour of the Earth's atmosphere and climate.
   http://www.wmo.ch/

Climate Research Division  
   Climate Research Division, Scripps Institution of Oceanography, University of California, San Diego.
   http://meteora.ucsd.edu/

Karlsruhe Institute of Meteorology and Climate Research  
   Mesoscale Climate, middle atmosphere trace constituents and atmospheric aerosol research.
   http://www-imk.fzk.de:8080/

Mesoscale Meteorology Research Group  
   Conducts research and system development aimed at improving understanding and forecast capacity of mesoscale weather systems.
   http://www.bom.gov.au/bmrc/wfhome.htm

Understanding Atmosphere-Ecosystem Interactions at Multiple Scales  
   Information on a research project aiming to improve understanding of how the atmosphere interacts with the physical, biological and social components of ecosystems at multiple spatial and temporal scales.
   http://www.ncrs.fs.fed.us/4401/

The Winter Center  
   Contains access to forecasts, forecasting models, historical winter weather data, an extensive photo gallery and weather research resources.
   http://www.geocities.com/donsutherland1/snow1.html

ELDAS  
   Description of the European Land Data Assimilation infrastructure project.
   http://www.knmi.nl/samenw/eldas

The King of Cleveland Ohio Weather Forecasters Experiment  
   Two week study comparing the five-day forecasts of four Cleveland, Ohio area meteorologists to the actual weather.
   http://www.bunker306.com/cle_weather/cle_weather.shtml

Max Planck Institute for Meteorology  
   Berlin. Conducts research in areas including theoretical climate modeling, physics of the atmosphere and oceans, and climate dynamics. Information about departments, scientific and educational activities, models, and other topics.
   http://www.mpimet.mpg.de/en/web/

AER's Radiative Transfer Working Group  
   Atmospheric and Environmental Research Inc. Public Release Radiative Transfer Models and Databases.
   http://rtweb.aer.com/main.html

Research at KNMI  
   Research activities on applied meteorology, climate, climate change, atmosphere and seismology
   http://www.knmi.nl/indexeng.html

University Corporation for Atmospheric Research  
   UCAR strives to advance the understanding of weather and climate in order to benefit society.
   http://www.ucar.edu/ucar/

Mesoscale & Microscale Meteorology Division of National Center for Atmospheric Research  
   MMM strives to advance the understanding of the mesoscale and microscale aspects of weather and climate, and to create and refine computer models to predict these processes in order to benefit society.
   http://www.mmm.ucar.edu

NOAA 42 Hurricane Research Aircraft  
   This site documents the adventures of NOAA42 and her crew, specifically pictures taken during hurricane season 2001.
   http://netesc.com/aoc/n42rf/Projects/2001/hurricane01/n42rfhurricane01.html

National Severe Storms Laboratory  
   DOC/NOAA/OAR/Environmental Research Laboratories.
   http://www.nssl.noaa.gov/

Meteorological Institute of the University of Bonn  
   Includes live X-band radar measurement of precipitation around Bonn.
   http://www.meteo.uni-bonn.de/index.en.html

Marek Uliasz  
   Personal homepage of researcher working on atmospheric transport modeling.
   http://users.frii.com/uliasz/modeling/

European Storm Forecast Experiment  
   EStoFEx is the initiative of a group of European meteorologists to find out how severe convection can be forecast in (semi-)operational practice on the European continent.
   http://www.phys.uu.nl/~ttu/estofex/

Martin Stendel's Climate Research  
   Researcher at Danish Climate Center. Includes on-line papers on global warming (surface vs. upper atmosphere measurement question), dataset appraisal.
   http://glwww.dmi.dk/f+u/klima/klimasektion/mas.html

Benfield Hazard Research Centre  
   Research-led expertise on complete range of natural hazards and risk, based at University College of London.
   http://www.benfieldhrc.org/

Climate Research Karlsruhe  
   Information on the Institute of Meteorology and Climate Research at the University of Karlsruhe which conducts tropospheric and stratospheric research, and operates the aerosol chamber (AIDA).
   http://www.imk.uni-karlsruhe.de/english/index.php