Track map, landfall & timeline · Atlantic · September 8–12, 1991
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 Erika (1991) was a tropical storm of the 1991 Atlantic season. It formed on September 8, 1991, reached its peak of 58 mph (93 km/h) and a minimum pressure of 997 mb on September 10, 1991, and made landfall 13 mi WSW of Ponta Delgada, Portugal on September 12, 1991 as a tropical storm (40 mph). The storm lasted 4.0 days and travelled about 2,416 miles (3,887 km).
02 · Intensity
03 · Impact
| Landfall (UTC) | Where | Strength | Pressure |
|---|---|---|---|
| September 12, 1991 · 03:00 UTC | 13 mi WSW of Ponta Delgada, Portugal | TS 40 mph | 1009 mb |
04 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 8 18:00 | TD | 29 mph | 1011 mb | 24.2°N 49.1°W | open ocean |
| Sep 9 00:00 | TD | 29 mph | 1010 mb | 25.4°N 50.0°W | open ocean |
| Sep 9 06:00 | TD | 35 mph | 1009 mb | 26.8°N 50.9°W | open ocean |
| Sep 9 12:00 | TD | 35 mph | 1007 mb | 27.8°N 52.3°W | open ocean |
| Sep 9 18:00 | TS | 40 mph | 1005 mb | 29.3°N 53.1°W | open ocean |
| Sep 10 00:00 | TS | 46 mph | 1002 mb | 31.2°N 51.7°W | open ocean |
| Sep 10 06:00 | TS | 52 mph | 1000 mb | 33.0°N 49.3°W | open ocean |
| Sep 10 12:00 | TS | 58 mph | 998 mb | 34.7°N 46.1°W | open ocean |
| Sep 10 18:00 | TS | 58 mph | 997 mb | 35.8°N 42.5°W | open ocean |
| Sep 11 00:00 | TS | 58 mph | 997 mb | 36.5°N 38.7°W | open ocean |
| Sep 11 06:00 | TS | 58 mph | 998 mb | 36.8°N 35.0°W | open ocean |
| Sep 11 12:00 | TS | 52 mph | 1000 mb | 37.0°N 31.9°W | open ocean |
| Sep 11 18:00 | TS | 46 mph | 1003 mb | 37.1°N 29.3°W | 156 mi SW of Angra do Heroísmo, Portugal |
| Sep 12 00:00 | TS | 40 mph | 1007 mb | 37.3°N 27.2°W | 89 mi WSW of Ponta Delgada, Portugal |
| Sep 12 03:00 | TS LANDFALL | 40 mph | 1009 mb | 37.7°N 25.9°W | 13 mi WSW of Ponta Delgada, Portugal |
| Sep 12 06:00 | TD | 35 mph | 1009 mb | 37.9°N 25.2°W | 23 mi ENE of Lagoa, Portugal |
| Sep 12 12:00 | TD extratropical | 35 mph | 1011 mb | 38.8°N 23.3°W | 143 mi ENE of Lagoa, Portugal |
| Sep 12 18:00 | TD extratropical | 29 mph | 1013 mb | 39.5°N 21.5°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
Erika made landfall once: 13 mi WSW of Ponta Delgada, Portugal on September 12, 1991 at 03:00 UTC, as a tropical storm with 40 mph winds.
At its peak on September 10, 1991, Erika was a tropical storm with maximum sustained winds of 58 mph (93 km/h) and a central pressure of 997 mb. At its first landfall it was a tropical storm.
4.0 days, from September 8, 1991 to September 12, 1991. It travelled about 2,416 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