Track map & timeline · Eastern Pacific · September 8–21, 2004
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 Isis (2004) was a Category 1 hurricane of the 2004 Eastern Pacific season. It formed on September 8, 2004, reached its peak of 75 mph (120 km/h) and a minimum pressure of 987 mb on September 15, 2004, and never made landfall. It rapidly intensified by 35 mph in 24 hours (to 75 mph on September 15, 2004). The storm lasted 12.8 days and travelled about 2,160 miles (3,475 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 8 06:00 | TD | 35 mph | 1005 mb | 15.1°N 109.9°W | open ocean |
| Sep 8 12:00 | TD | 35 mph | 1004 mb | 15.1°N 110.4°W | open ocean |
| Sep 8 18:00 | TS | 40 mph | 1004 mb | 15.4°N 110.8°W | open ocean |
| Sep 9 00:00 | TS | 40 mph | 1003 mb | 16.0°N 111.3°W | open ocean |
| Sep 9 06:00 | TS | 40 mph | 1003 mb | 16.5°N 111.8°W | open ocean |
| Sep 9 12:00 | TS | 40 mph | 1003 mb | 16.9°N 112.4°W | open ocean |
| Sep 9 18:00 | TS | 40 mph | 1003 mb | 17.2°N 113.3°W | open ocean |
| Sep 10 00:00 | TS | 46 mph | 1002 mb | 17.3°N 114.1°W | open ocean |
| Sep 10 06:00 | TS | 40 mph | 1003 mb | 17.3°N 114.9°W | open ocean |
| Sep 10 12:00 | TD | 35 mph | 1004 mb | 17.3°N 115.7°W | open ocean |
| Sep 10 18:00 | TD | 35 mph | 1004 mb | 17.4°N 116.6°W | open ocean |
| Sep 11 00:00 | TD | 35 mph | 1004 mb | 17.4°N 117.7°W | open ocean |
| Sep 11 06:00 | TD | 35 mph | 1004 mb | 17.4°N 118.8°W | open ocean |
| Sep 11 12:00 | TD | 35 mph | 1004 mb | 17.4°N 119.7°W | open ocean |
| Sep 11 18:00 | TD | 35 mph | 1004 mb | 17.4°N 120.5°W | open ocean |
| Sep 12 00:00 | TS | 40 mph | 1003 mb | 17.4°N 121.3°W | open ocean |
| Sep 12 06:00 | TS | 46 mph | 1002 mb | 17.4°N 122.2°W | open ocean |
| Sep 12 12:00 | TS | 52 mph | 1000 mb | 17.4°N 123.1°W | open ocean |
| Sep 12 18:00 | TS | 52 mph | 1000 mb | 17.3°N 124.0°W | open ocean |
| Sep 13 00:00 | TS | 52 mph | 1000 mb | 17.2°N 125.0°W | open ocean |
| Sep 13 06:00 | TS | 52 mph | 1000 mb | 17.0°N 126.0°W | open ocean |
| Sep 13 12:00 | TS | 52 mph | 1000 mb | 16.7°N 127.0°W | open ocean |
| Sep 13 18:00 | TS | 52 mph | 1000 mb | 16.6°N 128.0°W | open ocean |
| Sep 14 00:00 | TS | 52 mph | 1000 mb | 16.6°N 128.9°W | open ocean |
| Sep 14 06:00 | TS | 46 mph | 1002 mb | 16.6°N 129.5°W | open ocean |
| Sep 14 12:00 | TS | 40 mph | 1003 mb | 16.8°N 129.9°W | open ocean |
| Sep 14 18:00 | TS | 46 mph | 1000 mb | 17.0°N 130.4°W | open ocean |
| Sep 15 00:00 | TS | 58 mph | 997 mb | 17.2°N 130.9°W | open ocean |
| Sep 15 06:00 | TS | 63 mph | 994 mb | 17.5°N 131.4°W | open ocean |
| Sep 15 12:00 | Cat 1 | 75 mph | 987 mb | 17.8°N 131.8°W | open ocean |
| Sep 15 18:00 | TS | 69 mph | 991 mb | 18.2°N 132.0°W | open ocean |
| Sep 16 00:00 | TS | 63 mph | 994 mb | 18.4°N 132.0°W | open ocean |
| Sep 16 06:00 | TS | 52 mph | 1000 mb | 18.4°N 132.2°W | open ocean |
| Sep 16 12:00 | TD | 35 mph | 1003 mb | 18.2°N 132.2°W | open ocean |
| Sep 16 18:00 | TD low/wave | 35 mph | 1006 mb | 18.0°N 132.3°W | open ocean |
| Sep 17 00:00 | TD low/wave | 35 mph | 1006 mb | 17.9°N 132.5°W | open ocean |
| Sep 17 06:00 | TD low/wave | 35 mph | 1007 mb | 17.7°N 132.8°W | open ocean |
| Sep 17 12:00 | TD low/wave | 35 mph | 1008 mb | 17.6°N 133.0°W | open ocean |
| Sep 17 18:00 | TD low/wave | 35 mph | 1008 mb | 17.4°N 133.3°W | open ocean |
| Sep 18 00:00 | TD low/wave | 35 mph | 1008 mb | 17.2°N 133.6°W | open ocean |
| Sep 18 06:00 | TD low/wave | 29 mph | 1009 mb | 17.0°N 133.9°W | open ocean |
| Sep 18 12:00 | TD low/wave | 29 mph | 1009 mb | 16.8°N 134.2°W | open ocean |
| Sep 18 18:00 | TD low/wave | 29 mph | 1009 mb | 16.6°N 134.7°W | open ocean |
| Sep 19 00:00 | TD low/wave | 35 mph | 1009 mb | 16.4°N 135.2°W | open ocean |
| Sep 19 06:00 | TD low/wave | 35 mph | 1009 mb | 16.3°N 135.7°W | open ocean |
| Sep 19 12:00 | TD low/wave | 35 mph | 1009 mb | 16.2°N 136.2°W | open ocean |
| Sep 19 18:00 | TD low/wave | 35 mph | 1009 mb | 16.1°N 136.7°W | open ocean |
| Sep 20 00:00 | TD low/wave | 35 mph | 1009 mb | 16.0°N 137.4°W | open ocean |
| Sep 20 06:00 | TD low/wave | 35 mph | 1009 mb | 16.0°N 138.2°W | open ocean |
| Sep 20 12:00 | TD low/wave | 35 mph | 1010 mb | 16.0°N 139.0°W | open ocean |
| Sep 20 18:00 | TD low/wave | 35 mph | 1011 mb | 16.0°N 139.5°W | open ocean |
| Sep 21 00:00 | TD low/wave | 35 mph | 1011 mb | 16.0°N 140.0°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Isis.
At its peak on September 15, 2004, Isis was a Category 1 hurricane with maximum sustained winds of 75 mph (120 km/h) and a central pressure of 987 mb.
12.8 days, from September 8, 2004 to September 21, 2004, including 6 hours at hurricane strength. It travelled about 2,160 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.
This archive is our own work, built from openly available data — the NOAA best-track records, the replay engine, the wind-field rendering and the map tiles served from our own servers in the European Union. If your business generates data — measurements, machines, orders, customers — we are happy to turn it into a clear, interactive interface.
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