Track map & timeline · Eastern Pacific · September 20–24, 1977
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 Florence (1977) was a Category 2 hurricane of the 1977 Eastern Pacific season. It formed on September 20, 1977, reached its peak of 104 mph (167 km/h) on September 22, 1977, and never made landfall. It rapidly intensified by 40 mph in 24 hours (to 92 mph on September 22, 1977). The storm lasted 4.0 days and travelled about 1,175 miles (1,891 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 20 12:00 | TD | 29 mph | — | 13.9°N 124.2°W | open ocean |
| Sep 20 18:00 | TD | 29 mph | — | 14.1°N 124.3°W | open ocean |
| Sep 21 00:00 | TS | 40 mph | — | 14.4°N 124.8°W | open ocean |
| Sep 21 06:00 | TS | 46 mph | — | 14.6°N 125.5°W | open ocean |
| Sep 21 12:00 | TS | 52 mph | — | 14.9°N 126.3°W | open ocean |
| Sep 21 18:00 | TS | 63 mph | — | 15.1°N 126.9°W | open ocean |
| Sep 22 00:00 | Cat 1 | 75 mph | — | 15.8°N 127.8°W | open ocean |
| Sep 22 06:00 | Cat 1 | 81 mph | — | 16.4°N 128.1°W | open ocean |
| Sep 22 12:00 | Cat 1 | 92 mph | — | 17.2°N 127.7°W | open ocean |
| Sep 22 18:00 | Cat 2 | 104 mph | — | 17.9°N 127.3°W | open ocean |
| Sep 23 00:00 | Cat 1 | 92 mph | — | 19.5°N 126.4°W | open ocean |
| Sep 23 06:00 | Cat 1 | 81 mph | — | 21.3°N 125.6°W | open ocean |
| Sep 23 12:00 | TS | 69 mph | — | 23.2°N 124.8°W | open ocean |
| Sep 23 18:00 | TS | 40 mph | — | 24.8°N 123.8°W | open ocean |
| Sep 24 00:00 | TD | 29 mph | — | 26.2°N 122.8°W | open ocean |
| Sep 24 06:00 | TD | 29 mph | — | 27.1°N 122.5°W | open ocean |
| Sep 24 12:00 | TD extratropical | 29 mph | — | 27.4°N 122.3°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Florence.
At its peak on September 22, 1977, Florence was a Category 2 hurricane with maximum sustained winds of 104 mph (167 km/h).
4.0 days, from September 20, 1977 to September 24, 1977, including 36 hours at hurricane strength. It travelled about 1,175 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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