Track map & timeline · Eastern Pacific · July 27 – August 8, 2015
TD TS Cat 1 2 3 4 5 · dashed = post-tropical / remnant low. During the replay the shaded rings show the storm’s wind field as analysed by NHC — 39+, 58+ and 74+ mph winds, quadrant by quadrant. Click any point or table row to jump there.
01 · The story
Hurricane Guillermo (2015) was a Category 2 hurricane of the 2015 Eastern Pacific season. It formed on July 27, 2015, reached its peak of 109 mph (176 km/h) and a minimum pressure of 967 mb on July 31, 2015, and never made landfall. It rapidly intensified by 57 mph in 24 hours (to 109 mph on July 31, 2015). The storm lasted 12.3 days and travelled about 3,803 miles (6,119 km).
02 · Intensity
03 · Impact
| City | Distance to center | When (UTC) | Storm strength then |
|---|---|---|---|
| Honolulu, Hawaii | 73 mi | Aug 7 · 10:00 UTC | TD 35 mph |
Distance from the city to the storm’s center, interpolated hourly between official fixes. Damaging winds, surge and rain reach far beyond the center.
04 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Jul 27 12:00 | TD low/wave | 23 mph | 1008 mb | 6.5°N 112.5°W | open ocean |
| Jul 27 18:00 | TD low/wave | 23 mph | 1008 mb | 6.7°N 113.7°W | open ocean |
| Jul 28 00:00 | TD low/wave | 23 mph | 1008 mb | 6.8°N 114.9°W | open ocean |
| Jul 28 06:00 | TD low/wave | 23 mph | 1008 mb | 7.0°N 116.1°W | open ocean |
| Jul 28 12:00 | TD low/wave | 23 mph | 1008 mb | 7.1°N 117.3°W | open ocean |
| Jul 28 18:00 | TD low/wave | 29 mph | 1007 mb | 7.2°N 118.5°W | open ocean |
| Jul 29 00:00 | TD low/wave | 29 mph | 1007 mb | 7.3°N 119.7°W | open ocean |
| Jul 29 06:00 | TD low/wave | 29 mph | 1006 mb | 7.4°N 121.0°W | open ocean |
| Jul 29 12:00 | TD low/wave | 29 mph | 1006 mb | 7.6°N 122.2°W | open ocean |
| Jul 29 18:00 | TD | 35 mph | 1006 mb | 7.8°N 123.4°W | open ocean |
| Jul 30 00:00 | TS | 40 mph | 1005 mb | 8.0°N 124.7°W | open ocean |
| Jul 30 06:00 | TS | 40 mph | 1004 mb | 8.4°N 125.7°W | open ocean |
| Jul 30 12:00 | TS | 46 mph | 1002 mb | 8.9°N 126.7°W | open ocean |
| Jul 30 18:00 | TS | 52 mph | 1001 mb | 9.6°N 127.7°W | open ocean |
| Jul 31 00:00 | TS | 63 mph | 994 mb | 10.4°N 128.7°W | open ocean |
| Jul 31 06:00 | Cat 1 | 81 mph | 985 mb | 11.2°N 130.0°W | open ocean |
| Jul 31 12:00 | Cat 2 | 98 mph | 973 mb | 12.1°N 131.9°W | open ocean |
| Jul 31 18:00 | Cat 2 | 109 mph | 967 mb | 12.5°N 133.9°W | open ocean |
| Aug 1 00:00 | Cat 2 | 104 mph | 970 mb | 12.9°N 135.5°W | open ocean |
| Aug 1 06:00 | Cat 2 | 104 mph | 970 mb | 13.1°N 137.0°W | open ocean |
| Aug 1 12:00 | Cat 2 | 104 mph | 970 mb | 13.4°N 138.4°W | open ocean |
| Aug 1 18:00 | Cat 2 | 104 mph | 970 mb | 13.6°N 139.4°W | open ocean |
| Aug 2 00:00 | Cat 2 | 104 mph | 970 mb | 13.8°N 140.5°W | open ocean |
| Aug 2 06:00 | Cat 2 | 104 mph | 970 mb | 14.1°N 141.8°W | open ocean |
| Aug 2 12:00 | Cat 2 | 104 mph | 970 mb | 14.5°N 142.8°W | open ocean |
| Aug 2 18:00 | Cat 1 | 92 mph | 978 mb | 14.9°N 143.7°W | open ocean |
| Aug 3 00:00 | Cat 1 | 86 mph | 981 mb | 15.4°N 144.4°W | open ocean |
| Aug 3 06:00 | Cat 1 | 81 mph | 990 mb | 16.0°N 145.1°W | open ocean |
| Aug 3 12:00 | TS | 69 mph | 992 mb | 16.6°N 145.7°W | open ocean |
| Aug 3 18:00 | TS | 63 mph | 991 mb | 17.2°N 146.4°W | open ocean |
| Aug 4 00:00 | TS | 63 mph | 991 mb | 17.8°N 147.0°W | open ocean |
| Aug 4 06:00 | TS | 69 mph | 991 mb | 18.5°N 147.4°W | open ocean |
| Aug 4 12:00 | TS | 69 mph | 989 mb | 19.1°N 147.9°W | open ocean |
| Aug 4 18:00 | TS | 69 mph | 993 mb | 19.7°N 148.6°W | open ocean |
| Aug 5 00:00 | TS | 69 mph | 998 mb | 20.0°N 149.3°W | open ocean |
| Aug 5 06:00 | TS | 63 mph | 999 mb | 20.2°N 150.0°W | open ocean |
| Aug 5 12:00 | TS | 58 mph | 999 mb | 20.5°N 150.6°W | open ocean |
| Aug 5 18:00 | TS | 58 mph | 1001 mb | 21.0°N 151.2°W | open ocean |
| Aug 6 00:00 | TS | 52 mph | 1003 mb | 21.4°N 151.8°W | open ocean |
| Aug 6 06:00 | TS | 46 mph | 1004 mb | 21.7°N 152.7°W | open ocean |
| Aug 6 12:00 | TS | 40 mph | 1006 mb | 21.7°N 153.8°W | 160 mi NNE of Hilo, Hawaii |
| Aug 6 18:00 | TS | 40 mph | 1006 mb | 21.6°N 154.7°W | 124 mi ENE of Kahului, Hawaii |
| Aug 7 00:00 | TD | 35 mph | 1008 mb | 21.6°N 155.4°W | 85 mi NE of Kahului, Hawaii |
| Aug 7 06:00 | TD | 35 mph | 1008 mb | 22.0°N 156.5°W | 77 mi N of Kahului, Hawaii |
| Aug 7 12:00 | TD low/wave | 35 mph | 1009 mb | 22.5°N 158.1°W | 63 mi N of Koolauloa, Hawaii |
| Aug 7 18:00 | TD low/wave | 29 mph | 1011 mb | 23.0°N 159.5°W | 65 mi N of Kapa‘a, Hawaii |
| Aug 8 00:00 | TD low/wave | 29 mph | 1011 mb | 23.3°N 160.9°W | 132 mi NW of Kapa‘a, Hawaii |
| Aug 8 06:00 | TD low/wave | 29 mph | 1012 mb | 23.6°N 162.3°W | open ocean |
| Aug 8 12:00 | TD low/wave | 29 mph | 1012 mb | 23.6°N 163.7°W | open ocean |
| Aug 8 18:00 | TD low/wave | 23 mph | 1013 mb | 23.8°N 164.9°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Guillermo. Its closest approach to a major city was 73 miles from Honolulu, Hawaii.
At its peak on July 31, 2015, Guillermo was a Category 2 hurricane with maximum sustained winds of 109 mph (176 km/h) and a central pressure of 967 mb.
12.3 days, from July 27, 2015 to August 8, 2015, including 78 hours at hurricane strength. It travelled about 3,803 miles.
The 6-hourly positions, winds, pressure and wind radii are available as CSV on this page (track.csv) — they come from the NOAA National Hurricane Center's HURDAT2 database and are in the public domain.
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