Mercury Venus Transit Maestro Icon

Meteorology Window

Meteorological data will help you choose the best location to observe a Mercury or Venus transit. To do just that, you need to access the Meteorology window in Mercury Venus Transit Maestro.
The meteorological data over 25 years from the International Satellite Cloud Climatology Project (ISCCP) give accurate information on the mean cloud cover, mean low cloud amount, mean cloud optical depth and mean surface temperature.
The data has been preprocessed for every month to give a general trend and the transit visibility areas is overlaid onto.

3-day local weather predictions are also available and those require an Internet connexion. This service is provided by 7Timer.

  1. Choose Display > Meteorology…
    Meteorology Cloud Cover Window
    You can choose the type of data and month to be viewed before optionnaly saving the image to a PNG file (either by clicking the Save As… button or by using the contextual menu).
    The contextual menu can let you save the current map to a PNG file or display the local weather predictions at the location of the right-click.
    Local Weather Prediction Meteorology Contextual Menu
    Local Weather Prediction Meteorology Window
  2. For the low clouds:
    Meteorology Low Cloud Amount
  3. For the clouds’ optical depth:
    Meteorology Cloud Optical Depth
  4. For the surface temperature:
    Meteorology Surface Temperature