Track map & timeline · Eastern Pacific · July 31 – August 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
Hurricane Hilary (1987) was a Category 3 hurricane of the 1987 Eastern Pacific season. It formed on July 31, 1987, 247 mi SSW of Puerto San José, Guatemala, reached its peak of 121 mph (194 km/h) on August 4, 1987, and never made landfall. It rapidly intensified by 35 mph in 24 hours (to 75 mph on August 2, 1987). The storm lasted 8.5 days and travelled about 2,272 miles (3,655 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Jul 31 18:00 | TD | 29 mph | — | 10.7°N 92.4°W | open ocean |
| Aug 1 00:00 | TD | 35 mph | — | 11.0°N 93.4°W | open ocean |
| Aug 1 06:00 | TD | 35 mph | — | 11.4°N 94.4°W | open ocean |
| Aug 1 12:00 | TS | 40 mph | — | 11.7°N 95.3°W | open ocean |
| Aug 1 18:00 | TS | 46 mph | — | 11.9°N 96.3°W | open ocean |
| Aug 2 00:00 | TS | 52 mph | — | 12.1°N 97.2°W | open ocean |
| Aug 2 06:00 | TS | 63 mph | — | 12.3°N 98.2°W | open ocean |
| Aug 2 12:00 | Cat 1 | 75 mph | — | 12.5°N 99.3°W | open ocean |
| Aug 2 18:00 | Cat 1 | 81 mph | — | 12.7°N 100.3°W | open ocean |
| Aug 3 00:00 | Cat 1 | 86 mph | — | 13.0°N 101.6°W | open ocean |
| Aug 3 06:00 | Cat 1 | 92 mph | — | 13.4°N 102.8°W | open ocean |
| Aug 3 12:00 | Cat 2 | 104 mph | — | 13.8°N 104.0°W | open ocean |
| Aug 3 18:00 | Cat 3 | 115 mph | — | 14.2°N 105.2°W | open ocean |
| Aug 4 00:00 | Cat 3 | 121 mph | — | 14.6°N 106.4°W | open ocean |
| Aug 4 06:00 | Cat 3 | 121 mph | — | 14.9°N 107.5°W | open ocean |
| Aug 4 12:00 | Cat 3 | 121 mph | — | 15.2°N 108.4°W | open ocean |
| Aug 4 18:00 | Cat 2 | 104 mph | — | 15.4°N 109.4°W | open ocean |
| Aug 5 00:00 | Cat 2 | 98 mph | — | 15.6°N 110.4°W | open ocean |
| Aug 5 06:00 | Cat 1 | 92 mph | — | 15.9°N 111.3°W | open ocean |
| Aug 5 12:00 | Cat 2 | 98 mph | — | 16.2°N 112.2°W | open ocean |
| Aug 5 18:00 | Cat 2 | 109 mph | — | 16.7°N 113.1°W | open ocean |
| Aug 6 00:00 | Cat 2 | 109 mph | — | 17.0°N 114.0°W | open ocean |
| Aug 6 06:00 | Cat 2 | 104 mph | — | 17.5°N 114.8°W | open ocean |
| Aug 6 12:00 | Cat 2 | 98 mph | — | 18.2°N 115.7°W | open ocean |
| Aug 6 18:00 | Cat 1 | 86 mph | — | 18.8°N 116.9°W | open ocean |
| Aug 7 00:00 | Cat 1 | 75 mph | — | 19.2°N 117.9°W | open ocean |
| Aug 7 06:00 | Cat 1 | 75 mph | — | 19.6°N 118.7°W | open ocean |
| Aug 7 12:00 | TS | 69 mph | — | 20.0°N 119.5°W | open ocean |
| Aug 7 18:00 | TS | 69 mph | — | 20.5°N 120.2°W | open ocean |
| Aug 8 00:00 | TS | 69 mph | — | 21.2°N 120.8°W | open ocean |
| Aug 8 06:00 | TS | 63 mph | — | 21.5°N 121.3°W | open ocean |
| Aug 8 12:00 | TS | 52 mph | — | 21.7°N 121.9°W | open ocean |
| Aug 8 18:00 | TS | 40 mph | — | 21.9°N 122.6°W | open ocean |
| Aug 9 00:00 | TD | 35 mph | — | 22.1°N 123.3°W | open ocean |
| Aug 9 06:00 | TD | 35 mph | — | 22.4°N 123.9°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Hilary.
At its peak on August 4, 1987, Hilary was a Category 3 hurricane with maximum sustained winds of 121 mph (194 km/h).
8.5 days, from July 31, 1987 to August 9, 1987, including 120 hours at hurricane strength (24 as a major hurricane). It travelled about 2,272 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.
This site was built by Digital Dynamics Kft.
This archive is our own work, built from openly available data — the NOAA best-track records, the replay engine, the wind-field rendering and the map tiles served from our own servers in the European Union. If your business generates data — measurements, machines, orders, customers — we are happy to turn it into a clear, interactive interface.
But this is not all we build:
Or anything else that can be programmed — just get in touch.
See our work → or write: info@digitaldynamics.hu