North Pacific High

The North Pacific High is a semi-permanent, subtropical anticyclone located in the northeastern portion of the Pacific Ocean, located northeast of Hawaii and west of California. It is strongest during the northern hemisphere summer and shifts towards the equator during the winter, when the Aleutian Low becomes more active. It is responsible for California's typically dry summer and fall and typically wet winter and spring, as well as Hawaii's year-round trade winds.

Cyclones and anticyclones of the world

Types	Extratropical Mesocyclone/Anticyclonic storm Polar Subtropical cyclone/Subtropical ridge Thermal Tropical

Anticyclones	Polar High Siberian High Azores High (Bermuda/North Atlantic) North American High (Canadian/Greenland) South Atlantic High (St.Helena) North Pacific High South Pacific High Kalahari High

Cyclones	Aleutian Low (Alaska/Far East Russia) Atlantic hurricane Australian Low (east coast) European windstorm Genoa Low Icelandic Low Kona storm (Hawaii) Nor'easter Pacific hurricane Polar vortex Typhoon Wake Low

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