Track map & timeline · Eastern Pacific · September 9–10, 1974
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 Norma (1974) was a Category 1 hurricane of the 1974 Eastern Pacific season. It formed on September 9, 1974, 175 mi SSW of Acapulco de Juárez, Guerrero, Mexico, reached its peak of 75 mph (120 km/h) on September 10, 1974, and never made landfall. The storm lasted 1.0 days and travelled about 277 miles (446 km).
02 · Intensity
03 · Impact
| City | Distance to center | When (UTC) | Storm strength then |
|---|---|---|---|
| Acapulco de Juárez, Guerrero, Mexico | 66 mi | Sep 10 · 10:00 UTC | TS 59 mph |
Distance from the city to the storm’s center, interpolated hourly between official fixes. Damaging winds, surge and rain reach far beyond the center.
04 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 9 18:00 | TD | 35 mph | — | 14.5°N 100.9°W | 175 mi SSW of Acapulco de Juárez, Guerrero, Mexico |
| Sep 10 00:00 | TS | 46 mph | — | 15.0°N 100.0°W | 128 mi S of Acapulco de Juárez, Guerrero, Mexico |
| Sep 10 06:00 | Cat 1 | 75 mph | — | 16.1°N 100.9°W | 84 mi SW of Acapulco de Juárez, Guerrero, Mexico |
| Sep 10 12:00 | TS | 52 mph | — | 17.2°N 100.9°W | 18 mi W of Técpan de Galeana, Guerrero, Mexico |
| Sep 10 18:00 | TD | 29 mph | — | 17.7°N 101.0°W | 21 mi ENE of Petatlán, Guerrero, Mexico |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Norma. Its closest approach to a major city was 66 miles from Acapulco de Juárez, Guerrero, Mexico.
At its peak on September 10, 1974, Norma was a Category 1 hurricane with maximum sustained winds of 75 mph (120 km/h).
1.0 days, from September 9, 1974 to September 10, 1974, including 6 hours at hurricane strength. It travelled about 277 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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