Final answer:
A high pressure ridge is a weather phenomenon characterized by an area of high atmospheric pressure that forms a ridge or line on weather maps. It is associated with fair weather and clear skies.
Step-by-step explanation:
A high pressure ridge is a weather phenomenon characterized by an area of high atmospheric pressure that extends from the surface of the Earth and forms a ridge or line on weather maps. It is represented by the letter H on weather maps. High pressure ridges are associated with fair weather and clear skies due to the sinking air in the area.
On a weather map, you can identify a high pressure ridge by looking for the letter H in blue. The presence of curved grey lines, known as isobars, can also indicate the location of the ridge. Isobars connect areas of equal atmospheric pressure and often form concentric circles or semi-circles around the high pressure ridge.
An example of a high pressure ridge location on a weather map is a region marked with an H in blue, surrounded by curved grey lines (isobars). This region would indicate a high pressure system and is likely to experience stable weather conditions.