Track map & timeline · Eastern Pacific · October 4–18, 2011
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 Irwin (2011) was a Category 2 hurricane of the 2011 Eastern Pacific season. It formed on October 4, 2011, reached its peak of 98 mph (157 km/h) and a minimum pressure of 976 mb on October 7, 2011, and never made landfall. It rapidly intensified by 52 mph in 24 hours (to 92 mph on October 7, 2011). The storm lasted 13.8 days and travelled about 2,397 miles (3,857 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Oct 4 18:00 | TD low/wave | 29 mph | 1009 mb | 11.6°N 111.7°W | open ocean |
| Oct 5 00:00 | TD low/wave | 29 mph | 1009 mb | 11.5°N 112.6°W | open ocean |
| Oct 5 06:00 | TD low/wave | 29 mph | 1009 mb | 11.4°N 113.2°W | open ocean |
| Oct 5 12:00 | TD low/wave | 29 mph | 1009 mb | 11.4°N 113.9°W | open ocean |
| Oct 5 18:00 | TD low/wave | 29 mph | 1009 mb | 11.6°N 114.6°W | open ocean |
| Oct 6 00:00 | TD low/wave | 29 mph | 1007 mb | 11.9°N 115.3°W | open ocean |
| Oct 6 06:00 | TD | 35 mph | 1006 mb | 12.1°N 116.0°W | open ocean |
| Oct 6 12:00 | TS | 40 mph | 1004 mb | 12.3°N 116.7°W | open ocean |
| Oct 6 18:00 | TS | 58 mph | 999 mb | 12.5°N 117.6°W | open ocean |
| Oct 7 00:00 | TS | 69 mph | 995 mb | 12.9°N 118.5°W | open ocean |
| Oct 7 06:00 | Cat 1 | 81 mph | 989 mb | 13.3°N 119.3°W | open ocean |
| Oct 7 12:00 | Cat 1 | 92 mph | 981 mb | 13.6°N 120.0°W | open ocean |
| Oct 7 18:00 | Cat 2 | 98 mph | 977 mb | 13.8°N 120.5°W | open ocean |
| Oct 8 00:00 | Cat 2 | 98 mph | 976 mb | 13.9°N 120.8°W | open ocean |
| Oct 8 06:00 | Cat 1 | 92 mph | 980 mb | 14.1°N 121.0°W | open ocean |
| Oct 8 12:00 | Cat 1 | 81 mph | 985 mb | 14.3°N 121.0°W | open ocean |
| Oct 8 18:00 | TS | 69 mph | 991 mb | 14.4°N 120.9°W | open ocean |
| Oct 9 00:00 | TS | 52 mph | 1001 mb | 14.6°N 120.7°W | open ocean |
| Oct 9 06:00 | TS | 40 mph | 1004 mb | 14.9°N 120.4°W | open ocean |
| Oct 9 12:00 | TS | 40 mph | 1004 mb | 15.1°N 120.0°W | open ocean |
| Oct 9 18:00 | TS | 46 mph | 1003 mb | 15.2°N 119.6°W | open ocean |
| Oct 10 00:00 | TS | 46 mph | 1003 mb | 15.2°N 119.1°W | open ocean |
| Oct 10 06:00 | TS | 46 mph | 1003 mb | 15.2°N 118.5°W | open ocean |
| Oct 10 12:00 | TS | 46 mph | 1003 mb | 15.2°N 117.9°W | open ocean |
| Oct 10 18:00 | TS | 46 mph | 1003 mb | 15.1°N 117.2°W | open ocean |
| Oct 11 00:00 | TS | 40 mph | 1004 mb | 15.1°N 116.5°W | open ocean |
| Oct 11 06:00 | TS | 40 mph | 1004 mb | 15.1°N 115.9°W | open ocean |
| Oct 11 12:00 | TS | 46 mph | 1003 mb | 15.0°N 115.3°W | open ocean |
| Oct 11 18:00 | TS | 52 mph | 1001 mb | 14.8°N 114.5°W | open ocean |
| Oct 12 00:00 | TS | 52 mph | 1001 mb | 14.8°N 113.6°W | open ocean |
| Oct 12 06:00 | TS | 46 mph | 1002 mb | 15.0°N 112.5°W | open ocean |
| Oct 12 12:00 | TS | 46 mph | 1002 mb | 15.6°N 111.2°W | open ocean |
| Oct 12 18:00 | TS | 40 mph | 1003 mb | 16.5°N 110.0°W | open ocean |
| Oct 13 00:00 | TD | 35 mph | 1004 mb | 17.4°N 108.9°W | open ocean |
| Oct 13 06:00 | TD | 35 mph | 1004 mb | 18.1°N 108.1°W | open ocean |
| Oct 13 12:00 | TD | 35 mph | 1004 mb | 18.6°N 107.5°W | open ocean |
| Oct 13 18:00 | TS | 40 mph | 1003 mb | 19.0°N 106.8°W | 151 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Oct 14 00:00 | TS | 40 mph | 1002 mb | 19.2°N 106.7°W | 137 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Oct 14 06:00 | TS | 40 mph | 1002 mb | 19.2°N 106.8°W | 141 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Oct 14 12:00 | TS | 46 mph | 1002 mb | 18.9°N 106.9°W | 154 mi W of Cihuatlán, Jalisco, Mexico |
| Oct 14 18:00 | TS | 46 mph | 1003 mb | 18.5°N 106.8°W | 155 mi WSW of Cihuatlán, Jalisco, Mexico |
| Oct 15 00:00 | TS | 46 mph | 1003 mb | 18.0°N 106.4°W | 147 mi SW of Cihuatlán, Jalisco, Mexico |
| Oct 15 06:00 | TS | 40 mph | 1003 mb | 17.4°N 106.3°W | 170 mi SW of Cihuatlán, Jalisco, Mexico |
| Oct 15 12:00 | TS | 40 mph | 1003 mb | 16.7°N 106.4°W | open ocean |
| Oct 15 18:00 | TD | 35 mph | 1004 mb | 15.8°N 106.7°W | open ocean |
| Oct 16 00:00 | TD | 35 mph | 1004 mb | 15.1°N 107.0°W | open ocean |
| Oct 16 06:00 | TD | 35 mph | 1005 mb | 14.5°N 107.2°W | open ocean |
| Oct 16 12:00 | TD | 35 mph | 1006 mb | 13.9°N 107.5°W | open ocean |
| Oct 16 18:00 | TD low/wave | 35 mph | 1006 mb | 13.7°N 107.9°W | open ocean |
| Oct 17 00:00 | TD low/wave | 29 mph | 1007 mb | 13.9°N 108.2°W | open ocean |
| Oct 17 06:00 | TD low/wave | 29 mph | 1007 mb | 14.3°N 108.5°W | open ocean |
| Oct 17 12:00 | TD low/wave | 23 mph | 1008 mb | 14.9°N 108.7°W | open ocean |
| Oct 17 18:00 | TD low/wave | 17 mph | 1009 mb | 15.4°N 109.0°W | open ocean |
| Oct 18 00:00 | TD low/wave | 17 mph | 1009 mb | 15.6°N 109.5°W | open ocean |
| Oct 18 06:00 | TD low/wave | 17 mph | 1010 mb | 15.8°N 109.6°W | open ocean |
| Oct 18 12:00 | TD low/wave | 17 mph | 1010 mb | 15.6°N 109.5°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Irwin.
At its peak on October 7, 2011, Irwin was a Category 2 hurricane with maximum sustained winds of 98 mph (157 km/h) and a central pressure of 976 mb.
13.8 days, from October 4, 2011 to October 18, 2011, including 36 hours at hurricane strength. It travelled about 2,397 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.
This site was built by Digital Dynamics Kft.
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