Track map & timeline · Eastern Pacific · October 15–22, 1986
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 Roslyn (1986) was a Category 4 hurricane of the 1986 Eastern Pacific season. It formed on October 15, 1986, 287 mi SSW of Puerto San José, Guatemala, reached its peak of 144 mph (232 km/h) on October 19, 1986, and never made landfall. It rapidly intensified by 46 mph in 24 hours (to 98 mph on October 17, 1986). The storm lasted 6.8 days and travelled about 2,116 miles (3,405 km).
02 · Intensity
03 · Impact
| City | Distance to center | When (UTC) | Storm strength then |
|---|---|---|---|
| Mazatlán, Sinaloa, Mexico | direct hit | Oct 22 · 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 |
|---|---|---|---|---|---|
| Oct 15 18:00 | TD | 29 mph | — | 10.2°N 92.7°W | open ocean |
| Oct 16 00:00 | TD | 35 mph | — | 10.3°N 94.1°W | open ocean |
| Oct 16 06:00 | TS | 40 mph | — | 10.5°N 95.3°W | open ocean |
| Oct 16 12:00 | TS | 46 mph | — | 10.7°N 96.8°W | open ocean |
| Oct 16 18:00 | TS | 52 mph | — | 10.8°N 98.0°W | open ocean |
| Oct 17 00:00 | TS | 58 mph | — | 11.0°N 99.6°W | open ocean |
| Oct 17 06:00 | Cat 1 | 75 mph | — | 11.3°N 101.0°W | open ocean |
| Oct 17 12:00 | Cat 1 | 86 mph | — | 11.5°N 102.6°W | open ocean |
| Oct 17 18:00 | Cat 2 | 98 mph | — | 11.7°N 104.1°W | open ocean |
| Oct 18 00:00 | Cat 2 | 104 mph | — | 11.9°N 105.3°W | open ocean |
| Oct 18 06:00 | Cat 3 | 115 mph | — | 12.1°N 106.5°W | open ocean |
| Oct 18 12:00 | Cat 3 | 127 mph | — | 12.3°N 107.7°W | open ocean |
| Oct 18 18:00 | Cat 4 | 132 mph | — | 12.7°N 108.8°W | open ocean |
| Oct 19 00:00 | Cat 4 | 138 mph | — | 13.0°N 109.4°W | open ocean |
| Oct 19 06:00 | Cat 4 | 144 mph | — | 13.4°N 110.1°W | open ocean |
| Oct 19 12:00 | Cat 4 | 144 mph | — | 13.8°N 110.7°W | open ocean |
| Oct 19 18:00 | Cat 4 | 144 mph | — | 14.4°N 111.3°W | open ocean |
| Oct 20 00:00 | Cat 4 | 132 mph | — | 15.2°N 111.7°W | open ocean |
| Oct 20 06:00 | Cat 4 | 132 mph | — | 16.1°N 112.1°W | open ocean |
| Oct 20 12:00 | Cat 2 | 104 mph | — | 17.1°N 112.0°W | open ocean |
| Oct 20 18:00 | Cat 1 | 86 mph | — | 18.1°N 111.6°W | open ocean |
| Oct 21 00:00 | Cat 1 | 86 mph | — | 19.1°N 111.1°W | open ocean |
| Oct 21 06:00 | Cat 1 | 86 mph | — | 20.2°N 110.5°W | open ocean |
| Oct 21 12:00 | Cat 1 | 75 mph | — | 20.8°N 109.8°W | 145 mi S of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 21 18:00 | Cat 1 | 75 mph | — | 21.4°N 109.0°W | 118 mi SSE of Cabo San Lucas, Baja California Sur, Mexico |
| Oct 22 00:00 | Cat 1 | 75 mph | — | 22.0°N 108.1°W | 126 mi SE of San José del Cabo, Baja California Sur, Mexico |
| Oct 22 06:00 | Cat 1 | 75 mph | — | 22.7°N 107.1°W | 56 mi SW of Mazatlán, Sinaloa, Mexico |
| Oct 22 12:00 | TS extratropical | 52 mph | — | 23.5°N 106.0°W | 33 mi NE of Mazatlán, Sinaloa, Mexico |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Roslyn. Its closest approach to a major city was 3 miles from Mazatlán, Sinaloa, Mexico.
At its peak on October 19, 1986, Roslyn was a Category 4 hurricane with maximum sustained winds of 144 mph (232 km/h).
6.8 days, from October 15, 1986 to October 22, 1986, including 126 hours at hurricane strength (54 as a major hurricane). It travelled about 2,116 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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