Track map & timeline · Eastern Pacific · August 3–9, 1987
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
Tropical Storm Irwin (1987) was a tropical storm of the 1987 Eastern Pacific season. It formed on August 3, 1987, 243 mi S of Acajutla, El Salvador, reached its peak of 63 mph (102 km/h) on August 6, 1987, and never made landfall. The storm lasted 5.5 days and travelled about 1,312 miles (2,111 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Aug 3 18:00 | TD | 35 mph | — | 10.1°N 90.2°W | open ocean |
| Aug 4 00:00 | TS | 40 mph | — | 10.4°N 90.9°W | open ocean |
| Aug 4 06:00 | TS | 40 mph | — | 10.8°N 91.7°W | open ocean |
| Aug 4 12:00 | TS | 40 mph | — | 11.4°N 92.4°W | open ocean |
| Aug 4 18:00 | TS | 52 mph | — | 12.0°N 93.1°W | 185 mi SSW of Brisas Barra de Suchiate, Chiapas, Mexico |
| Aug 5 00:00 | TS | 52 mph | — | 12.6°N 93.8°W | 171 mi SW of Brisas Barra de Suchiate, Chiapas, Mexico |
| Aug 5 06:00 | TS | 58 mph | — | 12.9°N 94.4°W | 185 mi SW of Brisas Barra de Suchiate, Chiapas, Mexico |
| Aug 5 12:00 | TS | 52 mph | — | 13.2°N 95.0°W | open ocean |
| Aug 5 18:00 | TS | 52 mph | — | 13.4°N 95.7°W | 166 mi S of Crucecita, Oaxaca, Mexico |
| Aug 6 00:00 | TS | 58 mph | — | 13.7°N 96.4°W | 141 mi S of San Pedro Pochutla, Oaxaca, Mexico |
| Aug 6 06:00 | TS | 58 mph | — | 14.1°N 97.0°W | 119 mi SSW of San Pedro Pochutla, Oaxaca, Mexico |
| Aug 6 12:00 | TS | 52 mph | — | 14.7°N 98.1°W | 101 mi SSW of Río Grande, Oaxaca, Mexico |
| Aug 6 18:00 | TS | 63 mph | — | 15.3°N 99.1°W | 93 mi SSW of Cuajinicuilapa, Guerrero, Mexico |
| Aug 7 00:00 | TS | 63 mph | — | 15.8°N 100.2°W | 75 mi SSW of Acapulco de Juárez, Guerrero, Mexico |
| Aug 7 06:00 | TS | 63 mph | — | 16.2°N 101.3°W | 83 mi SSW of Técpan de Galeana, Guerrero, Mexico |
| Aug 7 12:00 | TS | 63 mph | — | 16.5°N 102.1°W | 87 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Aug 7 18:00 | TS | 63 mph | — | 16.9°N 103.0°W | 90 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Aug 8 00:00 | TS | 63 mph | — | 17.1°N 104.0°W | 126 mi S of Tecomán, Colima, Mexico |
| Aug 8 06:00 | TS | 63 mph | — | 17.2°N 105.0°W | 139 mi SSW of Manzanillo, Colima, Mexico |
| Aug 8 12:00 | TS | 63 mph | — | 17.2°N 105.6°W | 156 mi SSW of Manzanillo, Colima, Mexico |
| Aug 8 18:00 | TS | 63 mph | — | 17.2°N 106.4°W | 185 mi SW of Cihuatlán, Jalisco, Mexico |
| Aug 9 00:00 | TS | 52 mph | — | 17.2°N 107.1°W | open ocean |
| Aug 9 06:00 | TD | 29 mph | — | 17.2°N 107.9°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Irwin.
At its peak on August 6, 1987, Irwin was a tropical storm with maximum sustained winds of 63 mph (102 km/h).
5.5 days, from August 3, 1987 to August 9, 1987. It travelled about 1,312 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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