it means high pressure
It means high pressure and high pressure means there will be plentiful sunshine for the area that the H is in.
A high on a weather map indicates a high pressure area. This indicates a new weather front is moving into that area.
H means high pressure and L, low pressure.
high pressure makes good weather because the air mass rises
High pressure brings clear weather and low pressure brings precipitous weather. (rain, snow, hail, sleet, etc.)
A falling pressure typically indicates that the weather is changing from high pressure to low pressure. This can often be associated with approaching storm systems and potentially unsettled weather conditions.
Low pressure is associated with rising air, cloudiness, and precipitation.
high weather
If you mean by air pressure, High air pressure is how much air there is upon you. IF you were on the death valley, you would have lots of air pressure. If you were on a mountain, there would be little air pressure. If there is high pressure, there is good weather If you mean the other pressure, then it is this. If there is a lot of pressure, then you are intimidated, and there is lots of people looking at you. Visa Versa for low pressure.
In a high pressure area, good warm weather will occur. In a low pressure area, colder rainy weather will occur.
The letter L in weather stands for low pressure system. Low pressure systems typically bring unstable weather conditions such as rain, clouds, and stormy conditions.
High pressure systems are usually not associated with changeable weather.