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WESTERN PACIFIC · SEASON MAP

2017 Pacific typhoon season

Every recorded track, mapped · 34 storms · 8 Jan 2017–25 Dec 2017

ACCUMULATED CYCLONE ENERGY164.9
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2017 Pacific typhoon season: every recorded storm trackRecorded tracks of all 34 storms, colored by the wind category at each observation. Hover or focus a storm in the table to highlight its track.UNITED STATESCANADAMEXICOAFRICAEUROPECHINAJAPANPHILIPPINESINDIAGulf of MexicoPacific OceanPhilippine SeaArabian SeaBay of BengalUnnamed: 8 Jan–14 Jan, peak 30 kt, Tropical depressionUnnamed: 15 Apr–19 Apr, peak 25 kt, Tropical depressionMuifa: 22 Apr–29 Apr, peak 40 kt, Tropical stormMerbok: 10 Jun–13 Jun, peak 45 kt, Tropical stormNanmadol: 1 Jul–4 Jul, peak 65 kt, Category 1Talas: 14 Jul–17 Jul, peak 50 kt, Tropical stormNoru: 19 Jul–8 Aug, peak 135 kt, Category 4Kulap: 20 Jul–26 Jul, peak 50 kt, Tropical stormSonca: 20 Jul–29 Jul, peak 45 kt, Tropical stormRoke: 21 Jul–23 Jul, peak 35 kt, Tropical stormNesat: 25 Jul–30 Jul, peak 90 kt, Category 2Haitang: 27 Jul–1 Aug, peak 40 kt, Tropical stormNalgae: 31 Jul–5 Aug, peak 58 kt, Tropical stormBanyan: 10 Aug–17 Aug, peak 110 kt, Category 3Hato: 19 Aug–24 Aug, peak 100 kt, Category 3Pakhar: 24 Aug–27 Aug, peak 60 kt, Tropical stormSanvu: 26 Aug–3 Sep, peak 90 kt, Category 2Mawar: 30 Aug–4 Sep, peak 45 kt, Tropical stormGuchol: 4 Sep–7 Sep, peak 30 kt, Tropical depressionTalim: 8 Sep–17 Sep, peak 120 kt, Category 4Doksuri: 10 Sep–16 Sep, peak 95 kt, Category 2Unnamed: 23 Sep–25 Sep, peak 30 kt, Tropical depressionUnnamed: 8 Oct–10 Oct, peak 30 kt, Tropical depressionKhanun: 11 Oct–16 Oct, peak 90 kt, Category 2Lan: 15 Oct–22 Oct, peak 135 kt, Category 4Unnamed: 19 Oct–19 Oct, peak 25 kt, Tropical depressionSaola: 19 Oct–29 Oct, peak 65 kt, Category 1Damrey: 31 Oct–5 Nov, peak 90 kt, Category 2Unnamed: 31 Oct–1 Nov, no US-agency windUnnamed: 4 Nov–7 Nov, peak 25 kt, Tropical depressionHaikui: 7 Nov–12 Nov, peak 45 kt, Tropical stormKirogi: 16 Nov–19 Nov, peak 40 kt, Tropical stormKai-Tak: 12 Dec–23 Dec, peak 50 kt, Tropical stormTembin: 20 Dec–25 Dec, peak 85 kt, Category 2

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Whole season

DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5Post-tropical
Every storm of the 2017 Pacific typhoon season. Column headers sort the list.
Unnamed–30Tropical depression10001,470
Unnamed–25Tropical depression10041,390
Muifa–40Tropical storm9931,400
Merbok–45Tropical storm989990
Nanmadol–65Cat 19744,100
Talas–50Tropical storm985830
Noru–135Cat 49223,900
Kulap–50Tropical storm9852,300
Sonca–45Tropical storm9891,000
Roke–35Tropical storm996810
Nesat–90Cat 29561,200
Haitang–40Tropical storm9921,520
Nalgae–58Tropical storm9802,070
Banyan–110Cat 39412,360
Hato–100Cat 39481,760
Pakhar–60Tropical storm9831,390
Sanvu–90Cat 29533,390
Mawar–45Tropical storm989620
Guchol–30Tropical depression10001,160
Talim–120Cat 49333,960
Doksuri–95Cat 29601,790
Unnamed–30Tropical depression1000660
Unnamed–30Tropical depression999760
Khanun–90Cat 29561,550
Lan–135Cat 49223,000
Unnamed–25Tropical depression1002330
Saola–65Cat 19743,070
Damrey–90Cat 29671,390
Unnamed–—Unclassified—90
Unnamed–25Tropical depression1004750
Haikui–45Tropical storm9891,690
Kirogi–40Tropical storm9931,040
Kai-Tak–50Tropical storm9851,820
Tembin–85Cat 29591,830

34 storms with an IBTrACS 2017 typhoon season record. Tracks are the archived center positions, first observation 8 Jan 2017, last 25 Dec 2017.

Tropical storms26

Tropical-stage US-agency wind of 34 kt or more

Typhoons13

64 kt or more, one-minute sustained

Major (Category 3+)5

96 kt or more, Saffir–Simpson scale

Category 50

137 kt or more at any tropical-stage observation

Strongest stormNoru

135 kt · 155 mph / 250 km/h

Lowest pressure922 hPa

Noru, 30 Jul 2017

Longest track record21 days

Noru, full archive record

Storms without US-agency wind1

Mapped, but outside the counts above

QUICK ANSWERS

The 2017 season in brief

How many typhoons were there in the 2017 Pacific typhoon season?

The archive records 13 typhoons (one-minute winds of 64 kt or more) among 26 tropical storms, with 5 major typhoons reaching 96 kt. Counts use US-agency winds during the tropical stage.

What was the strongest storm of the 2017 Pacific typhoon season?

Noru, with a peak one-minute sustained wind of 135 kt (Category 4) on 30 Jul 2017, 18:00 UTC and a minimum central pressure of 922 hPa.

How many Category 5 storms were there in 2017?

None. No storm in the 2017 Pacific typhoon season reached Category 5 on the Saffir–Simpson one-minute wind scale in the archive.

When did the 2017 Pacific typhoon season start and end?

The first tropical-stage observation is on 8 Jan 2017 and the last on 25 Dec 2017, from 34 tracked storms in the archive.

What was the first typhoon of the 2017 Pacific typhoon season?

Nanmadol, which reached typhoon strength (64 kt) on 3 Jul 2017, 09:00 UTC.

METHODOLOGY

Data sources and limitations

The map and totals are generated from NOAA’s IBTrACS v04r01 archive. A storm belongs to this page when the archive lists it in the Western Pacific basin for the 2017 season, so a December storm whose track ends in January stays with its season. Storms that cross between basins appear on the page of their archive basin only.

Counts use US-agency one-minute winds during the tropical stage: 34 kt for a tropical storm, 64 kt for typhoon strength and 96 kt for major intensity, on the Saffir–Simpson scale in every basin. Local agencies classify storms differently, and official season summaries can differ from the archive. Accumulated cyclone energy sums squared winds at six-hourly synoptic times, counting observations in the calendar year. Storms with no US-agency wind are mapped but cannot enter the counts.

The map frame is the same for every Western Pacific season, so a track that leaves it is cut at the edge. Lines show each storm’s center, not its size, rainfall or flood extent. Coastlines use Natural Earth’s 1:10m land data.

Archive retrieved

NOAA IBTrACS archive · Field documentation

Sources & methodology