Track map & timeline · Eastern Pacific · September 22–27, 1973
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 Irah (1973) was a Category 2 hurricane of the 1973 Eastern Pacific season. It formed on September 22, 1973, 292 mi SSW of Acapulco de Juárez, Guerrero, Mexico, reached its peak of 109 mph (176 km/h) and a minimum pressure of 955 mb on September 25, 1973, and never made landfall. It rapidly intensified by 46 mph in 24 hours (to 81 mph on September 23, 1973). The storm lasted 5.0 days and travelled about 1,334 miles (2,147 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 22 00:00 | TD | 35 mph | — | 13.2°N 102.1°W | open ocean |
| Sep 22 06:00 | TD | 35 mph | — | 13.6°N 102.6°W | open ocean |
| Sep 22 12:00 | TD | 35 mph | — | 14.0°N 103.1°W | open ocean |
| Sep 22 18:00 | TD | 35 mph | — | 14.5°N 104.1°W | open ocean |
| Sep 23 00:00 | TS | 46 mph | — | 15.0°N 105.0°W | open ocean |
| Sep 23 06:00 | TS | 46 mph | — | 15.8°N 106.0°W | open ocean |
| Sep 23 12:00 | TS | 46 mph | — | 16.8°N 107.0°W | open ocean |
| Sep 23 18:00 | Cat 1 | 81 mph | 972 mb | 17.5°N 108.0°W | open ocean |
| Sep 24 00:00 | Cat 1 | 86 mph | — | 18.2°N 108.9°W | open ocean |
| Sep 24 06:00 | Cat 1 | 86 mph | — | 18.7°N 109.3°W | open ocean |
| Sep 24 12:00 | Cat 1 | 92 mph | — | 19.3°N 109.8°W | open ocean |
| Sep 24 18:00 | Cat 2 | 104 mph | 955 mb | 19.9°N 110.3°W | open ocean |
| Sep 25 00:00 | Cat 2 | 104 mph | — | 20.6°N 110.8°W | 168 mi SSW of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 25 06:00 | Cat 2 | 109 mph | — | 21.3°N 111.0°W | 130 mi SSW of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 25 12:00 | Cat 2 | 104 mph | — | 22.0°N 111.1°W | 98 mi SW of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 25 18:00 | Cat 1 | 81 mph | 983 mb | 23.0°N 111.0°W | 70 mi W of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 26 00:00 | Cat 1 | 75 mph | — | 24.0°N 110.8°W | 32 mi WSW of La Paz, Baja California Sur, Mexico |
| Sep 26 06:00 | TS | 58 mph | — | 25.0°N 110.0°W | 62 mi NNE of La Paz, Baja California Sur, Mexico |
| Sep 26 12:00 | TS | 40 mph | — | 25.9°N 109.0°W | near Los Mochis, Sinaloa, Mexico |
| Sep 26 18:00 | TD extratropical | 29 mph | — | 26.5°N 108.1°W | 33 mi E of El Fuerte, Sinaloa, Mexico |
| Sep 27 00:00 | TD extratropical | 29 mph | — | 26.9°N 107.0°W | near Guachochi, Chihuahua, Mexico |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Irah.
At its peak on September 25, 1973, Irah was a Category 2 hurricane with maximum sustained winds of 109 mph (176 km/h) and a central pressure of 955 mb.
5.0 days, from September 22, 1973 to September 27, 1973, including 60 hours at hurricane strength. It travelled about 1,334 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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