Track map & timeline · Eastern Pacific · October 2–7, 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 Rosa (1978) was a Category 1 hurricane of the 1978 Eastern Pacific season. It formed on October 2, 1978, 270 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico, reached its peak of 86 mph (139 km/h) on October 4, 1978, and never made landfall. The storm lasted 5.0 days and travelled about 952 miles (1,532 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Oct 2 18:00 | TD | 35 mph | — | 13.9°N 102.7°W | open ocean |
| Oct 3 00:00 | TS | 52 mph | — | 14.9°N 103.7°W | open ocean |
| Oct 3 06:00 | TS | 58 mph | — | 15.9°N 104.8°W | open ocean |
| Oct 3 12:00 | TS | 58 mph | — | 16.5°N 105.8°W | open ocean |
| Oct 3 18:00 | TS | 63 mph | — | 17.0°N 106.7°W | open ocean |
| Oct 4 00:00 | Cat 1 | 75 mph | — | 17.6°N 107.6°W | open ocean |
| Oct 4 06:00 | Cat 1 | 75 mph | — | 18.0°N 108.2°W | open ocean |
| Oct 4 12:00 | Cat 1 | 75 mph | — | 18.5°N 108.8°W | open ocean |
| Oct 4 18:00 | Cat 1 | 86 mph | — | 19.0°N 109.2°W | open ocean |
| Oct 5 00:00 | Cat 1 | 86 mph | — | 19.6°N 109.6°W | open ocean |
| Oct 5 06:00 | Cat 1 | 86 mph | — | 20.1°N 109.8°W | open ocean |
| Oct 5 12:00 | Cat 1 | 75 mph | — | 20.7°N 110.0°W | 152 mi S of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 5 18:00 | TS | 69 mph | — | 21.3°N 110.0°W | 110 mi S of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 6 00:00 | TS | 63 mph | — | 21.9°N 110.0°W | 69 mi S of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 6 06:00 | TS | 52 mph | — | 22.3°N 110.1°W | 43 mi SSW of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 6 12:00 | TS | 40 mph | — | 22.6°N 110.4°W | 37 mi WSW of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 6 18:00 | TD | 29 mph | — | 22.8°N 110.6°W | 44 mi W of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 7 00:00 | TD | 23 mph | — | 22.9°N 111.1°W | 76 mi W of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 7 06:00 | TD extratropical | 23 mph | — | 23.1°N 111.5°W | 102 mi W of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 7 12:00 | TD extratropical | 23 mph | — | 23.3°N 111.8°W | 111 mi WSW of La Paz, Baja California Sur, Mexico |
| Oct 7 18:00 | TD extratropical | 23 mph | — | 23.5°N 112.0°W | 108 mi SSW of Ciudad Constitución, Baja California Sur, Mexico |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Rosa.
At its peak on October 4, 1978, Rosa was a Category 1 hurricane with maximum sustained winds of 86 mph (139 km/h).
5.0 days, from October 2, 1978 to October 7, 1978, including 42 hours at hurricane strength. It travelled about 952 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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