Track map & timeline · Eastern Pacific · May 30 – June 1, 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 Aletta (1978) was a Category 1 hurricane of the 1978 Eastern Pacific season. It formed on May 30, 1978, 128 mi S of Acapulco de Juárez, Guerrero, Mexico, reached its peak of 75 mph (120 km/h) on May 31, 1978, and never made landfall. The storm lasted 1.8 days and travelled about 337 miles (542 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| May 30 12:00 | TS | 40 mph | — | 15.0°N 100.0°W | 128 mi S of Acapulco de Juárez, Guerrero, Mexico |
| May 30 18:00 | TS | 46 mph | — | 15.6°N 100.5°W | 95 mi SSW of Acapulco de Juárez, Guerrero, Mexico |
| May 31 00:00 | Cat 1 | 75 mph | — | 16.2°N 101.0°W | 75 mi SSW of Técpan de Galeana, Guerrero, Mexico |
| May 31 06:00 | TS | 58 mph | — | 16.8°N 101.6°W | 58 mi S of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| May 31 12:00 | TS | 52 mph | — | 17.5°N 102.0°W | 31 mi WSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| May 31 18:00 | TS | 52 mph | — | 18.0°N 102.1°W | near Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Jun 1 00:00 | TD extratropical | 29 mph | — | 18.6°N 102.5°W | 22 mi NW of Arteaga, Michoacán, Mexico |
| Jun 1 06:00 | TD extratropical | 29 mph | — | 19.0°N 102.8°W | 13 mi SSE of Tepalcatepec, Michoacán, Mexico |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Aletta.
At its peak on May 31, 1978, Aletta was a Category 1 hurricane with maximum sustained winds of 75 mph (120 km/h).
1.8 days, from May 30, 1978 to June 1, 1978, including 6 hours at hurricane strength. It travelled about 337 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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