| Polar Vortex Forecasts by STRAS, CGER/NIES
The CGER (Center for Global Environmental Research) of the NIES (National Institute for Environmental Studies) of Japan has performed analyses on trajectory and stratospheric polar vortexes, and polar vortex forecasts using the Stratosphere-Troposphere Research Assisting System (STRAS). The STRAS utilizes meteorological data for intensive observation projects and analyses of monitoring data. The CGER has provided the polar vortex forecasts using the forecast data of the NCEP (National Centers for Environmental Prediction) of the United States. It is extremely effective for planning and real-time analyses of data during intensive observational campaigns. |
 96 hour Polar Vortex Forecasts on July 31, 2002 by STRAS (Potential Vorticity)
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| Polar Vortex Forecasts | Information on Terms of Use |
| The CGER issues forecast maps (JPEG) of polar vortex from 24 hours out
to 96 hours in advance. |
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 Examples of Polar Vortex Forecasts |
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Southern HemisphereCopyright
Center for Global Environmental Research (CGER)
National Institute for Environmental Studies (NIES)
Center for Global Environmental Research (CGER)
National Institute for Environmental Studies (NIES)