2020-21 North Pacific winter windstorm season

The 2020-21 North Pacific winter windstorm season runs from October 1 to March 31.

Tables

Aleutian – Large, strong, deep, and consolidated cyclone reaching peak intensity near the Aleutian islands
Aleutian b "Siberian Slush" – Weaker satellite cyclone associated with a large and broad push of cold Siberian air
Aleutian c – Cyclone that develops in the Aleutian/Bering region as a result of cold advection from a cyclone downstream of it
Kona – cut-off low near Hawaii
Northwesterly (kNW) – Cyclones associated with a northwesterly jet tracking toward the southeast, particularly into the western United States, with a ridge upstream
Fast Elongated Weak (FEW) – storms that are typically east-west elongated, weak and often deepening as they exit Japan into the open north Pacific, travelling quickly east or northeast and lasting less than a day, usually are followed by a strong cyclone which usually forms either behind or peripherally on the surface low (but is a different system)

October

Name	Dates active	Peak classification	Max winds	Min pressure	Typology
Tiñilex	October 2 – 6	Windstorm	46 kts	980 hPa
Filat	October 10 – 11	Windstorm	50 kts	978 hPa
Ghwítghwaa	October 11 – 12	Windstorm	38 kts	998 hPa
Hatiya	October 13 – 14	Windstorm	60 kts	984 hPa
Inteus	October 14 – 15	Windstorm	54 kts	995 hPa
Julius	October 15 – 21	Windstorm	44 kts	998 hPa
Keget	October 17 – 17	Windstorm	35 kts	1007 hPa
Lane	October 23 – 23	Windstorm	40 kts	1006 hPa
Max	October 24 – 27	Windstorm	50 kts	982 hPa
Nyala	October 29 – 30	Windstorm	50 kts	988 hPa

Name	Dates active	Peak classification	Max winds	Min pressure	Typology
Uuk	October 5 – 9	Windstorm	47 kts	965 hPa
Vaachii	October 13 – 14	Windstorm	47 kts	992 hPa
Wataru	October 14 – 18	Windstorm	45 kts	981 hPa
Xakikang	October 18 – 19	Windstorm	42 kts	989 hPa
Yelizaveta	October 21 – 21	Windstorm	40 kts	992 hPa
Zhanna	October 21 – 23	Windstorm	53 kts	971 hPa
Apka	October 23 – 25	Windstorm	53 kts	981 hPa
Bayağal	October 25 – 26	Windstorm	41 kts	987 hPa	20W?
Chuukii	October 28 – November 1	Windstorm	55 kts	968 hPa
Dolgun	October 30 – November 5	Windstorm	52 kts	972 hPa

November

Name	Dates active	Peak classification	Max winds	Min pressure	Typology
Osea	November 1 – 3	Windstorm	46 kts	978 hPa
Pierre	November 5 – 9	Windstorm	50 kts	984 hPa
Quinn	November 6 – 7	Windstorm	45 kts	989 hPa
Rodnie	November 14 – 15	Windstorm	55 kts	969 hPa
Sandra	November 16 – active	Windstorm	49 kts	962 hPa

Name	Dates active	Peak classification	Max winds	Min pressure	Typology
Elie	November 2 – 5	Windstorm	50 kts	969 hPa
Firkuj	November 4 – 6	Windstorm	54 kts	954 hPa
Ginji	November 8 – 14	Windstorm	54 kts	964 hPa
Helii	November 8 – 10	Windstorm	47 kts	972 hPa
Iu	November 13 – 15	Windstorm	45 kts	985 hPa
Juuk	November 15 – 17	Windstorm	58 kts	972 hPa
Kurdun	November 17 – active	Windstorm	50 kts	962 hPa

Impacts

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