Weather

Satellite captures

 Europe

  Greece

 

 

 Click above image (right click - view image) for full size current chart from Unisys.

This chart shows the forecast wind speed and direction of the 300mb level winds (known as the jetstream level.) The winds at this altitude play a critical role on how steady the seeing conditions will be, with very low wind speeds correlated with very steady seeing. The chart shows the forecast winds for the next 3 days. It is updated twice daily. Wind speeds are indicated by colours (as well as isobar spacing.) The colours convert to the following:

1. Pink coloured areas. Very low wind speeds. Periods of excellent seeing likely.

2. Dark blue coloured areas. Low winds speeds. Periods of good seeing likely.

3. Aqua/Green coloured areas. Moderate wind speeds. Fair to poor seeing likely.

4. Yellow. Moderate/High wind speeds. Poor seeing likely.

5. Orange/Red coloured areas. High/Very high winds speeds. Poor or Very poor seeing likely.

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