Track map & timeline · Eastern Pacific · August 18–30, 1978
TD TS Cat 1 2 3 4 5 · dashed = post-tropical / remnant low. Click any point or table row to jump there.
01 · The story
Hurricane John (1978) was a Category 2 hurricane of the 1978 Eastern Pacific season. It formed on August 18, 1978, reached its peak of 104 mph (167 km/h) on August 25, 1978, and never made landfall. The storm lasted 12.3 days and travelled about 3,274 miles (5,267 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Aug 18 00:00 | TD | 35 mph | — | 12.2°N 121.0°W | open ocean |
| Aug 18 06:00 | TD | 35 mph | — | 12.3°N 121.7°W | open ocean |
| Aug 18 12:00 | TD | 35 mph | — | 12.4°N 122.4°W | open ocean |
| Aug 18 18:00 | TD | 35 mph | — | 12.4°N 123.3°W | open ocean |
| Aug 19 00:00 | TS | 40 mph | — | 12.3°N 123.8°W | open ocean |
| Aug 19 06:00 | TS | 40 mph | — | 12.2°N 124.3°W | open ocean |
| Aug 19 12:00 | TS | 40 mph | — | 12.1°N 124.6°W | open ocean |
| Aug 19 18:00 | TS | 46 mph | — | 12.0°N 125.0°W | open ocean |
| Aug 20 00:00 | TS | 63 mph | — | 12.2°N 125.6°W | open ocean |
| Aug 20 06:00 | TS | 69 mph | — | 12.4°N 126.1°W | open ocean |
| Aug 20 12:00 | TS | 69 mph | — | 12.8°N 126.8°W | open ocean |
| Aug 20 18:00 | TS | 69 mph | — | 13.3°N 127.3°W | open ocean |
| Aug 21 00:00 | TS | 69 mph | — | 13.7°N 128.2°W | open ocean |
| Aug 21 06:00 | TS | 69 mph | — | 14.1°N 129.1°W | open ocean |
| Aug 21 12:00 | TS | 58 mph | — | 14.4°N 130.1°W | open ocean |
| Aug 21 18:00 | TS | 58 mph | — | 14.9°N 131.1°W | open ocean |
| Aug 22 00:00 | TS | 69 mph | — | 15.4°N 132.4°W | open ocean |
| Aug 22 06:00 | TS | 69 mph | — | 15.8°N 133.6°W | open ocean |
| Aug 22 12:00 | Cat 1 | 81 mph | — | 15.7°N 134.8°W | open ocean |
| Aug 22 18:00 | Cat 1 | 75 mph | — | 15.6°N 135.8°W | open ocean |
| Aug 23 00:00 | Cat 1 | 75 mph | — | 15.5°N 137.0°W | open ocean |
| Aug 23 06:00 | TS | 69 mph | — | 15.4°N 138.2°W | open ocean |
| Aug 23 12:00 | TS | 63 mph | — | 15.4°N 139.4°W | open ocean |
| Aug 23 18:00 | TS | 69 mph | — | 15.5°N 140.5°W | open ocean |
| Aug 24 00:00 | Cat 1 | 75 mph | — | 15.4°N 141.7°W | open ocean |
| Aug 24 06:00 | Cat 1 | 81 mph | — | 15.5°N 143.0°W | open ocean |
| Aug 24 12:00 | Cat 1 | 86 mph | — | 15.7°N 143.7°W | open ocean |
| Aug 24 18:00 | Cat 1 | 92 mph | — | 15.9°N 145.2°W | open ocean |
| Aug 25 00:00 | Cat 2 | 104 mph | — | 16.3°N 145.2°W | open ocean |
| Aug 25 06:00 | Cat 1 | 92 mph | — | 16.0°N 146.9°W | open ocean |
| Aug 25 12:00 | Cat 1 | 81 mph | — | 15.9°N 147.8°W | open ocean |
| Aug 25 18:00 | TS | 69 mph | — | 15.8°N 148.5°W | open ocean |
| Aug 26 00:00 | TS | 58 mph | — | 15.4°N 149.3°W | open ocean |
| Aug 26 06:00 | TS | 58 mph | — | 15.0°N 150.0°W | open ocean |
| Aug 26 12:00 | TS | 52 mph | — | 14.8°N 150.8°W | open ocean |
| Aug 26 18:00 | TS | 52 mph | — | 14.8°N 151.7°W | open ocean |
| Aug 27 00:00 | TS | 46 mph | — | 15.1°N 152.5°W | open ocean |
| Aug 27 06:00 | TS | 46 mph | — | 15.0°N 153.5°W | open ocean |
| Aug 27 12:00 | TS | 40 mph | — | 14.9°N 154.5°W | open ocean |
| Aug 27 18:00 | TS | 40 mph | — | 15.0°N 156.5°W | open ocean |
| Aug 28 00:00 | TS | 40 mph | — | 15.3°N 156.7°W | open ocean |
| Aug 28 06:00 | TS | 40 mph | — | 15.5°N 157.5°W | open ocean |
| Aug 28 12:00 | TS | 40 mph | — | 15.4°N 158.3°W | open ocean |
| Aug 28 18:00 | TS | 40 mph | — | 15.0°N 159.0°W | open ocean |
| Aug 29 00:00 | TS | 40 mph | — | 14.8°N 159.7°W | open ocean |
| Aug 29 06:00 | TS | 40 mph | — | 14.9°N 161.5°W | open ocean |
| Aug 29 12:00 | TS | 40 mph | — | 14.8°N 163.0°W | open ocean |
| Aug 29 18:00 | TS | 40 mph | — | 14.4°N 164.6°W | open ocean |
| Aug 30 00:00 | TD | 35 mph | — | 14.8°N 166.2°W | open ocean |
| Aug 30 06:00 | TD | 29 mph | — | 14.7°N 167.7°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for John.
At its peak on August 25, 1978, John was a Category 2 hurricane with maximum sustained winds of 104 mph (167 km/h).
12.3 days, from August 18, 1978 to August 30, 1978, including 60 hours at hurricane strength. It travelled about 3,274 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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