Track map & timeline · Eastern Pacific · August 3–12, 1984
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 Iselle (1984) was a Category 4 hurricane of the 1984 Eastern Pacific season. It formed on August 3, 1984, 136 mi SSE of Puerto Escondido, Oaxaca, Mexico, reached its peak of 132 mph (213 km/h) on August 8, 1984, and never made landfall. It rapidly intensified by 46 mph in 24 hours (to 132 mph on August 8, 1984). The storm lasted 8.8 days and travelled about 2,126 miles (3,421 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Aug 3 18:00 | TD | 35 mph | — | 14.0°N 96.4°W | 121 mi S of San Pedro Pochutla, Oaxaca, Mexico |
| Aug 4 00:00 | TD | 35 mph | — | 14.1°N 97.2°W | 122 mi S of Puerto Escondido, Oaxaca, Mexico |
| Aug 4 06:00 | TD | 35 mph | — | 14.2°N 97.9°W | 128 mi SSW of Puerto Escondido, Oaxaca, Mexico |
| Aug 4 12:00 | TD | 35 mph | — | 14.3°N 98.7°W | 147 mi SSW of Pinotepa Nacional, Oaxaca, Mexico |
| Aug 4 18:00 | TS | 46 mph | — | 14.4°N 99.3°W | 155 mi SSW of Cuajinicuilapa, Guerrero, Mexico |
| Aug 5 00:00 | TS | 46 mph | — | 14.6°N 100.0°W | 156 mi S of Acapulco de Juárez, Guerrero, Mexico |
| Aug 5 06:00 | TS | 46 mph | — | 14.8°N 100.7°W | 151 mi SSW of Acapulco de Juárez, Guerrero, Mexico |
| Aug 5 12:00 | TS | 58 mph | — | 15.0°N 101.5°W | 166 mi SW of Acapulco de Juárez, Guerrero, Mexico |
| Aug 5 18:00 | TS | 63 mph | — | 15.4°N 102.5°W | 167 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Aug 6 00:00 | TS | 69 mph | — | 16.0°N 103.5°W | 161 mi SSW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Aug 6 06:00 | Cat 1 | 75 mph | — | 16.6°N 104.5°W | 165 mi SSW of Tecomán, Colima, Mexico |
| Aug 6 12:00 | Cat 1 | 75 mph | — | 16.8°N 105.6°W | 180 mi SSW of Manzanillo, Colima, Mexico |
| Aug 6 18:00 | Cat 1 | 86 mph | — | 17.0°N 106.9°W | open ocean |
| Aug 7 00:00 | Cat 1 | 86 mph | — | 17.2°N 108.1°W | open ocean |
| Aug 7 06:00 | Cat 1 | 86 mph | — | 17.4°N 109.3°W | open ocean |
| Aug 7 12:00 | Cat 1 | 86 mph | — | 17.7°N 110.6°W | open ocean |
| Aug 7 18:00 | Cat 1 | 86 mph | — | 17.9°N 112.0°W | open ocean |
| Aug 8 00:00 | Cat 1 | 92 mph | — | 18.0°N 113.1°W | open ocean |
| Aug 8 06:00 | Cat 2 | 98 mph | — | 18.1°N 114.0°W | open ocean |
| Aug 8 12:00 | Cat 3 | 115 mph | — | 18.2°N 114.8°W | open ocean |
| Aug 8 18:00 | Cat 4 | 132 mph | — | 18.3°N 115.5°W | open ocean |
| Aug 9 00:00 | Cat 4 | 132 mph | — | 18.5°N 116.3°W | open ocean |
| Aug 9 06:00 | Cat 3 | 127 mph | — | 18.8°N 117.0°W | open ocean |
| Aug 9 12:00 | Cat 2 | 109 mph | — | 19.1°N 117.7°W | open ocean |
| Aug 9 18:00 | Cat 2 | 98 mph | — | 19.5°N 118.2°W | open ocean |
| Aug 10 00:00 | Cat 1 | 86 mph | — | 20.0°N 118.7°W | open ocean |
| Aug 10 06:00 | Cat 1 | 86 mph | — | 20.5°N 119.2°W | open ocean |
| Aug 10 12:00 | Cat 1 | 81 mph | — | 21.3°N 119.8°W | open ocean |
| Aug 10 18:00 | Cat 1 | 81 mph | — | 22.1°N 120.4°W | open ocean |
| Aug 11 00:00 | Cat 1 | 75 mph | — | 22.9°N 121.0°W | open ocean |
| Aug 11 06:00 | TS | 63 mph | — | 23.7°N 121.7°W | open ocean |
| Aug 11 12:00 | TS | 58 mph | — | 24.3°N 122.3°W | open ocean |
| Aug 11 18:00 | TS | 46 mph | — | 24.9°N 122.9°W | open ocean |
| Aug 12 00:00 | TS | 40 mph | — | 25.4°N 123.5°W | open ocean |
| Aug 12 06:00 | TD | 35 mph | — | 25.8°N 124.0°W | open ocean |
| Aug 12 12:00 | TD | 35 mph | — | 26.4°N 124.2°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Iselle.
At its peak on August 8, 1984, Iselle was a Category 4 hurricane with maximum sustained winds of 132 mph (213 km/h).
8.8 days, from August 3, 1984 to August 12, 1984, including 120 hours at hurricane strength (24 as a major hurricane). It travelled about 2,126 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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