Track map & timeline · Eastern Pacific · July 5–10, 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 Calvin (1987) was a tropical storm of the 1987 Eastern Pacific season. It formed on July 5, 1987, 320 mi SSW of Acapulco de Juárez, Guerrero, Mexico, reached its peak of 63 mph (102 km/h) on July 8, 1987, and never made landfall. The storm lasted 4.5 days and travelled about 1,440 miles (2,317 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Jul 5 18:00 | TD | 29 mph | — | 12.6°N 101.8°W | open ocean |
| Jul 6 00:00 | TD | 35 mph | — | 12.8°N 103.0°W | open ocean |
| Jul 6 06:00 | TS | 40 mph | — | 13.1°N 104.1°W | open ocean |
| Jul 6 12:00 | TS | 40 mph | — | 13.4°N 105.2°W | open ocean |
| Jul 6 18:00 | TS | 40 mph | — | 13.9°N 106.3°W | open ocean |
| Jul 7 00:00 | TS | 46 mph | — | 14.2°N 107.3°W | open ocean |
| Jul 7 06:00 | TS | 52 mph | — | 14.5°N 108.7°W | open ocean |
| Jul 7 12:00 | TS | 52 mph | — | 14.7°N 110.4°W | open ocean |
| Jul 7 18:00 | TS | 52 mph | — | 14.8°N 111.7°W | open ocean |
| Jul 8 00:00 | TS | 52 mph | — | 14.8°N 113.2°W | open ocean |
| Jul 8 06:00 | TS | 58 mph | — | 14.8°N 114.7°W | open ocean |
| Jul 8 12:00 | TS | 63 mph | — | 14.8°N 116.0°W | open ocean |
| Jul 8 18:00 | TS | 63 mph | — | 14.8°N 117.3°W | open ocean |
| Jul 9 00:00 | TS | 52 mph | — | 14.9°N 118.4°W | open ocean |
| Jul 9 06:00 | TS | 40 mph | — | 15.1°N 119.5°W | open ocean |
| Jul 9 12:00 | TD | 35 mph | — | 15.2°N 120.3°W | open ocean |
| Jul 9 18:00 | TD | 35 mph | — | 15.7°N 121.0°W | open ocean |
| Jul 10 00:00 | TD | 29 mph | — | 16.3°N 121.6°W | open ocean |
| Jul 10 06:00 | TD | 23 mph | — | 17.0°N 122.2°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Calvin.
At its peak on July 8, 1987, Calvin was a tropical storm with maximum sustained winds of 63 mph (102 km/h).
4.5 days, from July 5, 1987 to July 10, 1987. It travelled about 1,440 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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