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| Model: |
Local weather forecast model from the UK MetOffice |
| Update: |
4 times per day, from 00:00, 05:00, 11:00 und 17:00 GMT |
| Greenwich Mean Time: |
12:00 GMT = 13:00 BST |
| Variable: |
Sea Level Pressure |
| Description: |
The surface chart (also known as surface synoptic chart) presents the distribution of the atmospheric
pressure observed at any given station on the earth's surface reduced to sea level. You can read the
positions of the controlling weather features (highs, lows, ridges or troughs) from the distribution
of the isobars (lines of equal sea level pressure). The isobars define the pressure field. The pressure
field is the dominating player in the weather system. Additionally, this map helps you to identify
synoptic-scale waves and gives you a first estimate on meso-scale fronts.
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