Henri: 2021 North Atlantic
Henri reached 65 kt (120 km/h, 75 mph) (C1) in the 2021 North Atlantic season, from 2021-08-15 to 2021-08-24, with track, wind and pressure and 7.8 ACE.
Data as of . Last revised (2026-10-17).
Key Facts
- Henri was a category 1 at its peak in the 2021 North Atlantic season.
- Peak maximum sustained wind was 65 kt (120 km/h, 75 mph), reached on 21 August 2021, and the lowest pressure was 986 hPa.
- The track runs from 15 August 2021 to 24 August 2021 with 81 six hourly positions.
- Henri accumulated 7.8 ACE.
- 1 landfall is recorded, the first on 22 August 2021.
Track
15 August 2021 to 24 August 2021| Storm | First position (lat, lon) | Last position (lat, lon) | Track points |
|---|---|---|---|
| Henri | 35.8, -63.4 | 42.3, -67.3 | 81 |
Wind
Knots, six hourly| Time (UTC) | Wind (kt) |
|---|---|
| 2021-08-15T00:00:00Z | 25 kt |
| 2021-08-15T03:00:00Z | 25 kt |
| 2021-08-15T06:00:00Z | 25 kt |
| 2021-08-15T09:00:00Z | 25 kt |
| 2021-08-15T12:00:00Z | 25 kt |
| 2021-08-15T15:00:00Z | 25 kt |
| 2021-08-15T18:00:00Z | 25 kt |
| 2021-08-15T21:00:00Z | 28 kt |
| 2021-08-16T00:00:00Z | 30 kt |
| 2021-08-16T03:00:00Z | 30 kt |
| 2021-08-16T06:00:00Z | 30 kt |
| 2021-08-16T09:00:00Z | 30 kt |
| 2021-08-16T12:00:00Z | 30 kt |
| 2021-08-16T15:00:00Z | 33 kt |
| 2021-08-16T18:00:00Z | 35 kt |
| 2021-08-16T21:00:00Z | 38 kt |
| 2021-08-17T00:00:00Z | 40 kt |
| 2021-08-17T03:00:00Z | 43 kt |
| 2021-08-17T06:00:00Z | 45 kt |
| 2021-08-17T09:00:00Z | 45 kt |
| 2021-08-17T12:00:00Z | 45 kt |
| 2021-08-17T15:00:00Z | 50 kt |
| 2021-08-17T18:00:00Z | 55 kt |
| 2021-08-17T21:00:00Z | 55 kt |
| 2021-08-18T00:00:00Z | 55 kt |
| 2021-08-18T03:00:00Z | 55 kt |
| 2021-08-18T06:00:00Z | 55 kt |
| 2021-08-18T09:00:00Z | 55 kt |
| 2021-08-18T12:00:00Z | 55 kt |
| 2021-08-18T15:00:00Z | 58 kt |
| 2021-08-18T18:00:00Z | 60 kt |
| 2021-08-18T21:00:00Z | 60 kt |
| 2021-08-19T00:00:00Z | 60 kt |
| 2021-08-19T03:00:00Z | 60 kt |
| 2021-08-19T06:00:00Z | 60 kt |
| 2021-08-19T09:00:00Z | 60 kt |
| 2021-08-19T12:00:00Z | 60 kt |
| 2021-08-19T15:00:00Z | 58 kt |
| 2021-08-19T18:00:00Z | 55 kt |
| 2021-08-19T21:00:00Z | 55 kt |
| 2021-08-20T00:00:00Z | 55 kt |
| 2021-08-20T03:00:00Z | 55 kt |
| 2021-08-20T06:00:00Z | 55 kt |
| 2021-08-20T09:00:00Z | 55 kt |
| 2021-08-20T12:00:00Z | 55 kt |
| 2021-08-20T15:00:00Z | 58 kt |
| 2021-08-20T18:00:00Z | 60 kt |
| 2021-08-20T21:00:00Z | 60 kt |
| 2021-08-21T00:00:00Z | 60 kt |
| 2021-08-21T03:00:00Z | 60 kt |
| 2021-08-21T06:00:00Z | 60 kt |
| 2021-08-21T09:00:00Z | 63 kt |
| 2021-08-21T12:00:00Z | 65 kt |
| 2021-08-21T15:00:00Z | 65 kt |
| 2021-08-21T18:00:00Z | 65 kt |
| 2021-08-21T21:00:00Z | 65 kt |
| 2021-08-22T00:00:00Z | 65 kt |
| 2021-08-22T03:00:00Z | 65 kt |
| 2021-08-22T06:00:00Z | 65 kt |
| 2021-08-22T09:00:00Z | 60 kt |
| 2021-08-22T12:00:00Z | 55 kt |
| 2021-08-22T15:00:00Z | 55 kt |
| 2021-08-22T15:20:00Z | 55 kt |
| 2021-08-22T16:15:00Z | 55 kt |
| 2021-08-22T18:00:00Z | 40 kt |
| 2021-08-22T21:00:00Z | 35 kt |
| 2021-08-23T00:00:00Z | 30 kt |
| 2021-08-23T03:00:00Z | 28 kt |
| 2021-08-23T06:00:00Z | 25 kt |
| 2021-08-23T09:00:00Z | 25 kt |
| 2021-08-23T12:00:00Z | 25 kt |
| 2021-08-23T15:00:00Z | 25 kt |
| 2021-08-23T18:00:00Z | 25 kt |
| 2021-08-23T21:00:00Z | 23 kt |
| 2021-08-24T00:00:00Z | 20 kt |
| 2021-08-24T03:00:00Z | 20 kt |
| 2021-08-24T06:00:00Z | 20 kt |
| 2021-08-24T09:00:00Z | 20 kt |
| 2021-08-24T12:00:00Z | 20 kt |
| 2021-08-24T15:00:00Z | 23 kt |
| 2021-08-24T18:00:00Z | 25 kt |
Pressure
hPa, six hourly| Time (UTC) | Pressure (hPa) |
|---|---|
| 2021-08-15T00:00:00Z | 1014 hPa |
| 2021-08-15T03:00:00Z | 1013 hPa |
| 2021-08-15T06:00:00Z | 1012 hPa |
| 2021-08-15T09:00:00Z | 1012 hPa |
| 2021-08-15T12:00:00Z | 1012 hPa |
| 2021-08-15T15:00:00Z | 1012 hPa |
| 2021-08-15T18:00:00Z | 1011 hPa |
| 2021-08-15T21:00:00Z | 1011 hPa |
| 2021-08-16T00:00:00Z | 1010 hPa |
| 2021-08-16T03:00:00Z | 1010 hPa |
| 2021-08-16T06:00:00Z | 1010 hPa |
| 2021-08-16T09:00:00Z | 1010 hPa |
| 2021-08-16T12:00:00Z | 1010 hPa |
| 2021-08-16T15:00:00Z | 1010 hPa |
| 2021-08-16T18:00:00Z | 1009 hPa |
| 2021-08-16T21:00:00Z | 1009 hPa |
| 2021-08-17T00:00:00Z | 1008 hPa |
| 2021-08-17T03:00:00Z | 1006 hPa |
| 2021-08-17T06:00:00Z | 1004 hPa |
| 2021-08-17T09:00:00Z | 1004 hPa |
| 2021-08-17T12:00:00Z | 1004 hPa |
| 2021-08-17T15:00:00Z | 1002 hPa |
| 2021-08-17T18:00:00Z | 1000 hPa |
| 2021-08-17T21:00:00Z | 999 hPa |
| 2021-08-18T00:00:00Z | 998 hPa |
| 2021-08-18T03:00:00Z | 998 hPa |
| 2021-08-18T06:00:00Z | 998 hPa |
| 2021-08-18T09:00:00Z | 998 hPa |
| 2021-08-18T12:00:00Z | 998 hPa |
| 2021-08-18T15:00:00Z | 997 hPa |
| 2021-08-18T18:00:00Z | 995 hPa |
| 2021-08-18T21:00:00Z | 995 hPa |
| 2021-08-19T00:00:00Z | 995 hPa |
| 2021-08-19T03:00:00Z | 995 hPa |
| 2021-08-19T06:00:00Z | 995 hPa |
| 2021-08-19T09:00:00Z | 995 hPa |
| 2021-08-19T12:00:00Z | 995 hPa |
| 2021-08-19T15:00:00Z | 997 hPa |
| 2021-08-19T18:00:00Z | 999 hPa |
| 2021-08-19T21:00:00Z | 998 hPa |
| 2021-08-20T00:00:00Z | 997 hPa |
| 2021-08-20T03:00:00Z | 996 hPa |
| 2021-08-20T06:00:00Z | 995 hPa |
| 2021-08-20T09:00:00Z | 995 hPa |
| 2021-08-20T12:00:00Z | 995 hPa |
| 2021-08-20T15:00:00Z | 995 hPa |
| 2021-08-20T18:00:00Z | 994 hPa |
| 2021-08-20T21:00:00Z | 994 hPa |
| 2021-08-21T00:00:00Z | 993 hPa |
| 2021-08-21T03:00:00Z | 993 hPa |
| 2021-08-21T06:00:00Z | 993 hPa |
| 2021-08-21T09:00:00Z | 992 hPa |
| 2021-08-21T12:00:00Z | 991 hPa |
| 2021-08-21T15:00:00Z | 991 hPa |
| 2021-08-21T18:00:00Z | 990 hPa |
| 2021-08-21T21:00:00Z | 989 hPa |
| 2021-08-22T00:00:00Z | 988 hPa |
| 2021-08-22T03:00:00Z | 987 hPa |
| 2021-08-22T06:00:00Z | 986 hPa |
| 2021-08-22T09:00:00Z | 986 hPa |
| 2021-08-22T12:00:00Z | 986 hPa |
| 2021-08-22T15:00:00Z | 987 hPa |
| 2021-08-22T15:20:00Z | 987 hPa |
| 2021-08-22T16:15:00Z | 988 hPa |
| 2021-08-22T18:00:00Z | 991 hPa |
| 2021-08-22T21:00:00Z | 996 hPa |
| 2021-08-23T00:00:00Z | 1000 hPa |
| 2021-08-23T03:00:00Z | 1003 hPa |
| 2021-08-23T06:00:00Z | 1005 hPa |
| 2021-08-23T09:00:00Z | 1005 hPa |
| 2021-08-23T12:00:00Z | 1005 hPa |
| 2021-08-23T15:00:00Z | 1005 hPa |
| 2021-08-23T18:00:00Z | 1005 hPa |
| 2021-08-23T21:00:00Z | 1006 hPa |
| 2021-08-24T00:00:00Z | 1006 hPa |
| 2021-08-24T03:00:00Z | 1006 hPa |
| 2021-08-24T06:00:00Z | 1006 hPa |
| 2021-08-24T09:00:00Z | 1007 hPa |
| 2021-08-24T12:00:00Z | 1007 hPa |
| 2021-08-24T15:00:00Z | 1008 hPa |
| 2021-08-24T18:00:00Z | 1008 hPa |
ACE Compared With the 2021 Season
ACE is the sum of the squares of six hourly wind speeds, in units of 10,000 knots squared, counted while winds are at or above 34 knots.
Landfalls
| Date | Place | Position | Wind |
|---|---|---|---|
| 2021-08-22 | Open coast, place not named in the data | 41.5, -72.0 | 40 kt (74 km/h, 46 mph) |
Which Agency's Numbers
Wind and pressure from hurdat_atl,usa as carried in NOAA IBTrACS. Agencies average winds over different periods.
Related Headlines
Third party news, headline and link onlyDownload the Data
Sources: Source: International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, NOAA National Centers for Environmental Information, doi:10.25921/82ty-9e16. Some agency values come from third parties such as JMA, IMD and BoM. (NOAA NCEI terms (citation requested)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17. Storm records are best tracks and can be revised by the agencies.