The following graphic shows the average of the wind direction at 1000 hPa for July 2021.
The following graphic shows a high pressure area in the northern hemisphere:
A low pressure area in the northern hemisphere appears like the following graphic:
In the southern hemisphere the pressure areas are rotating in the opposite direction because the Coriolis force is inverted. So the colors are also inverted.
|Weather observations||Extreme weather||Global temperatures||Current sunspots|
|Water temperature||Extreme heat||Troposphere||Annual solar activity|
|Storm glass||Extreme cold||Weather history||Solar activity since 1700|
|Station Niederlemp||Extreme storms||Climate of the decades||Historical solar activity|
|Station Ziegelhausen||Extreme rain||Climate anomalies||Predicting the sun activity|
|Wind scales||Tropopause||NAO Index||Solar irradiance|
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