Track map & timeline · Atlantic · September 4–17, 1990
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 Isidore (1990) was a Category 2 hurricane of the 1990 Atlantic season. It formed on September 4, 1990, reached its peak of 98 mph (157 km/h) and a minimum pressure of 978 mb on September 7, 1990, and never made landfall. It rapidly intensified by 35 mph in 24 hours (to 98 mph on September 7, 1990). The storm lasted 13.5 days and travelled about 4,113 miles (6,617 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 4 00:00 | TD | 29 mph | 1010 mb | 7.2°N 23.4°W | open ocean |
| Sep 4 06:00 | TD | 29 mph | 1010 mb | 7.4°N 25.1°W | open ocean |
| Sep 4 12:00 | TD | 29 mph | 1009 mb | 8.4°N 26.7°W | open ocean |
| Sep 4 18:00 | TD | 35 mph | 1009 mb | 9.2°N 28.4°W | open ocean |
| Sep 5 00:00 | TD | 35 mph | 1009 mb | 9.7°N 29.9°W | open ocean |
| Sep 5 06:00 | TD | 35 mph | 1008 mb | 9.9°N 31.4°W | open ocean |
| Sep 5 12:00 | TS | 40 mph | 1007 mb | 10.0°N 32.7°W | open ocean |
| Sep 5 18:00 | TS | 46 mph | 1005 mb | 10.4°N 33.8°W | open ocean |
| Sep 6 00:00 | TS | 52 mph | 1004 mb | 11.3°N 34.7°W | open ocean |
| Sep 6 06:00 | TS | 58 mph | 1003 mb | 12.4°N 35.4°W | open ocean |
| Sep 6 12:00 | TS | 63 mph | 1000 mb | 13.5°N 36.0°W | open ocean |
| Sep 6 18:00 | TS | 69 mph | 997 mb | 14.7°N 36.4°W | open ocean |
| Sep 7 00:00 | Cat 1 | 75 mph | 994 mb | 15.9°N 36.8°W | open ocean |
| Sep 7 06:00 | Cat 1 | 86 mph | 983 mb | 17.2°N 37.3°W | open ocean |
| Sep 7 12:00 | Cat 2 | 98 mph | 978 mb | 18.5°N 37.6°W | open ocean |
| Sep 7 18:00 | Cat 1 | 92 mph | 979 mb | 19.9°N 37.9°W | open ocean |
| Sep 8 00:00 | Cat 1 | 86 mph | 979 mb | 21.1°N 38.2°W | open ocean |
| Sep 8 06:00 | Cat 1 | 81 mph | 985 mb | 22.2°N 38.7°W | open ocean |
| Sep 8 12:00 | Cat 1 | 75 mph | 994 mb | 23.2°N 39.3°W | open ocean |
| Sep 8 18:00 | TS | 69 mph | 996 mb | 24.3°N 40.0°W | open ocean |
| Sep 9 00:00 | TS | 63 mph | 999 mb | 25.6°N 40.7°W | open ocean |
| Sep 9 06:00 | TS | 58 mph | 1000 mb | 26.8°N 41.7°W | open ocean |
| Sep 9 12:00 | TS | 63 mph | 995 mb | 27.9°N 43.0°W | open ocean |
| Sep 9 18:00 | Cat 1 | 75 mph | 990 mb | 28.6°N 44.2°W | open ocean |
| Sep 10 00:00 | Cat 1 | 75 mph | 987 mb | 29.0°N 45.1°W | open ocean |
| Sep 10 06:00 | Cat 1 | 75 mph | 987 mb | 29.4°N 45.6°W | open ocean |
| Sep 10 12:00 | Cat 1 | 75 mph | 987 mb | 29.8°N 46.1°W | open ocean |
| Sep 10 18:00 | Cat 1 | 75 mph | 987 mb | 30.1°N 46.6°W | open ocean |
| Sep 11 00:00 | Cat 1 | 75 mph | 987 mb | 30.6°N 47.0°W | open ocean |
| Sep 11 06:00 | Cat 1 | 86 mph | 984 mb | 31.2°N 47.4°W | open ocean |
| Sep 11 12:00 | Cat 1 | 92 mph | 980 mb | 31.9°N 48.0°W | open ocean |
| Sep 11 18:00 | Cat 1 | 92 mph | 979 mb | 32.6°N 48.7°W | open ocean |
| Sep 12 00:00 | Cat 1 | 86 mph | 979 mb | 33.1°N 49.5°W | open ocean |
| Sep 12 06:00 | Cat 1 | 86 mph | 980 mb | 33.4°N 50.1°W | open ocean |
| Sep 12 12:00 | Cat 1 | 81 mph | 986 mb | 33.6°N 50.4°W | open ocean |
| Sep 12 18:00 | Cat 1 | 75 mph | 987 mb | 33.8°N 50.6°W | open ocean |
| Sep 13 00:00 | Cat 1 | 75 mph | 987 mb | 34.1°N 50.7°W | open ocean |
| Sep 13 06:00 | Cat 1 | 75 mph | 987 mb | 34.4°N 50.8°W | open ocean |
| Sep 13 12:00 | Cat 1 | 75 mph | 987 mb | 34.9°N 50.8°W | open ocean |
| Sep 13 18:00 | Cat 1 | 75 mph | 987 mb | 35.4°N 50.6°W | open ocean |
| Sep 14 00:00 | Cat 1 | 75 mph | 987 mb | 35.8°N 50.1°W | open ocean |
| Sep 14 06:00 | Cat 1 | 75 mph | 987 mb | 36.2°N 49.4°W | open ocean |
| Sep 14 12:00 | Cat 1 | 75 mph | 987 mb | 36.6°N 48.7°W | open ocean |
| Sep 14 18:00 | Cat 1 | 75 mph | 987 mb | 37.1°N 47.9°W | open ocean |
| Sep 15 00:00 | Cat 1 | 75 mph | 987 mb | 37.8°N 47.4°W | open ocean |
| Sep 15 06:00 | Cat 1 | 75 mph | 987 mb | 38.7°N 47.2°W | open ocean |
| Sep 15 12:00 | Cat 1 | 75 mph | 987 mb | 39.6°N 47.5°W | open ocean |
| Sep 15 18:00 | Cat 1 | 75 mph | 987 mb | 40.3°N 48.0°W | open ocean |
| Sep 16 00:00 | Cat 1 | 75 mph | 987 mb | 40.5°N 48.5°W | open ocean |
| Sep 16 06:00 | TS | 69 mph | 990 mb | 41.8°N 47.9°W | open ocean |
| Sep 16 12:00 | TS | 63 mph | 995 mb | 43.5°N 47.0°W | open ocean |
| Sep 16 18:00 | TS | 52 mph | 997 mb | 45.0°N 45.5°W | open ocean |
| Sep 17 00:00 | TS | 52 mph | 1000 mb | 46.5°N 43.5°W | open ocean |
| Sep 17 06:00 | TS | 40 mph | 1005 mb | 48.2°N 41.5°W | open ocean |
| Sep 17 12:00 | TS extratropical | 40 mph | 1006 mb | 50.0°N 39.5°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Isidore.
At its peak on September 7, 1990, Isidore was a Category 2 hurricane with maximum sustained winds of 98 mph (157 km/h) and a central pressure of 978 mb.
13.5 days, from September 4, 1990 to September 17, 1990, including 198 hours at hurricane strength. It travelled about 4,113 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.
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