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The pressure in Kirkwall, United Kingdom is predicted to drop over the next few hours, with an average pressure of 981.4 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Kirkwall is 23.3 hPa, with a low of 974.2 hPa and a high of 997.5 hPa. The daily average here is lower than in most cities around the world.
The barometric pressure in Kirkwall varies throughout the year due to its location in the northern hemisphere. Pressure systems from the Atlantic Ocean influence the city's weather. These systems bring changes in pressure that affect the weather patterns.
Kirkwall is situated on the largest island in the Orkney archipelago, Mainland. The island is generally low-lying with some hills in the north. The surrounding seas have a significant impact on the atmospheric pressure. The North Sea to the east and the Atlantic Ocean to the west influence the pressure systems that affect the city.
The landscape around Kirkwall also plays a role in shaping the local weather patterns. The hills to the north block some of the prevailing westerly winds, creating a rain shadow effect. This leads to drier conditions in the city compared to the north of the island.