PredictWind Help Center

How to use Isobar Maps

Isobar Maps show the synoptic weather pattern across the region, to give you an understanding of the “big picture”.

 

  • Click on Forecast then Isobar maps from the left menu bar.
  • Isobar Maps show the synoptic weather pattern across the region, to give you an understanding of the “big picture”, clearly showing if you are near a low or high pressure system?
  • The black contour lines are lines of even barometric surface pressure. Also displayed is the rainfall. Light blue shading shows light rain, dark blue moderate rain, and red for heavy rain. The rainfall combined with wind barbs and pressure contours allows you to easily identify frontal systems in the forecast.

Use the animation controls to play or pause the animation, click on the timeline to jump to a forecast time. Use the zoom controls on the map, or your mouse wheel, or the trackpad in your laptop to control your view.

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