The 2017 season

Tropical Storm Kirogi (2017)

Tropical Storm Kirogi peaked at 40 kt in the Western Pacific between November 16, 2017 and November 19, 2017, with a lowest pressure of 993 mb, and made landfall.

Track and intensity

The whole track of Tropical Storm Kirogi, colored by strength, with the other storms of the 2017 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.

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The storm

Basin
Western Pacific
Dates
November 16, 2017 to November 19, 2017
Peak strength
Tropical Storm, 40 kt (46 mph)
Lowest pressure
993 mb (29.32 inHg)
Landfall
Yes
Accumulated cyclone energy
0.8
Tropical-storm-force wind reached
90 nmi (167 km, 104 mi) from the center at its widest
Eyewall radius at its peak
45 nmi (83 km, 52 mi)
Overall size
190 nmi (352 km, 219 mi) to the outermost closed isobar
Fastest the center moved
21 kt (24 mph)
Identifier
WP312017

Deaths and damage

No source this site reads carries a casualty or damage figure for this storm.

Track

Time (UTC)PositionWindPressureStatus
Nov 16, 12:007.1N 123.6E1006 mbTropical storm
Nov 16, 18:008.3N 121.3E20 kt1006 mbDisturbance
Nov 17, 00:008.8N 120.4E20 kt1005 mbDisturbance
Nov 17, 06:009.3N 119.3E25 kt1004 mbTropical depression
Nov 17, 12:0010.1N 117.6E30 kt1000 mbTropical depression
Nov 17, 18:0010.8N 116.2E35 kt996 mbTropical storm
Nov 18, 00:0011.1N 114.8E35 kt996 mbTropical storm
Nov 18, 06:0011.4N 113.3E35 kt996 mbTropical storm
Nov 18, 12:0011.3N 112.7E35 kt996 mbTropical storm
Nov 18, 18:0010.7N 111.8E40 kt993 mbTropical storm
Nov 19, 00:0010.7N 110.6E35 kt996 mbTropical storm
Nov 19, 06:0011.4N 108.8E25 kt1004 mbTropical depression
Nov 19, 12:0012.3N 107.2E20 kt1007 mbDisturbance

Other Western Pacific storms of 2017

What this means

A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.

Sources

Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.