Isaias: 2020 North Atlantic
Isaias reached 80 kt (148 km/h, 92 mph) (C1) in the 2020 North Atlantic season, from 2020-07-28 to 2020-08-05, with track, wind and pressure and 9.4 ACE.
Data as of . Last revised (2026-10-17).
Key Facts
- Isaias was a category 1 at its peak in the 2020 North Atlantic season.
- Peak maximum sustained wind was 80 kt (148 km/h, 92 mph), reached on 4 August 2020, and the lowest pressure was 986 hPa.
- The track runs from 28 July 2020 to 5 August 2020 with 66 six hourly positions.
- Isaias accumulated 9.4 ACE.
- 3 landfalls are recorded, the first on 30 July 2020.
Track
28 July 2020 to 5 August 2020| Storm | First position (lat, lon) | Last position (lat, lon) | Track points |
|---|---|---|---|
| Isaias | 12.5, -54.0 | 46.7, -71.8 | 66 |
Wind
Knots, six hourly| Time (UTC) | Wind (kt) |
|---|---|
| 2020-07-28T12:00:00Z | 35 kt |
| 2020-07-28T15:00:00Z | 35 kt |
| 2020-07-28T18:00:00Z | 35 kt |
| 2020-07-28T21:00:00Z | 38 kt |
| 2020-07-29T00:00:00Z | 40 kt |
| 2020-07-29T03:00:00Z | 40 kt |
| 2020-07-29T06:00:00Z | 40 kt |
| 2020-07-29T09:00:00Z | 40 kt |
| 2020-07-29T12:00:00Z | 40 kt |
| 2020-07-29T15:00:00Z | 40 kt |
| 2020-07-29T18:00:00Z | 40 kt |
| 2020-07-29T21:00:00Z | 43 kt |
| 2020-07-30T00:00:00Z | 45 kt |
| 2020-07-30T03:00:00Z | 48 kt |
| 2020-07-30T06:00:00Z | 50 kt |
| 2020-07-30T09:00:00Z | 53 kt |
| 2020-07-30T12:00:00Z | 55 kt |
| 2020-07-30T15:00:00Z | 55 kt |
| 2020-07-30T16:15:00Z | 55 kt |
| 2020-07-30T18:00:00Z | 60 kt |
| 2020-07-30T21:00:00Z | 63 kt |
| 2020-07-31T00:00:00Z | 65 kt |
| 2020-07-31T03:00:00Z | 68 kt |
| 2020-07-31T06:00:00Z | 70 kt |
| 2020-07-31T09:00:00Z | 70 kt |
| 2020-07-31T12:00:00Z | 65 kt |
| 2020-07-31T15:00:00Z | 68 kt |
| 2020-07-31T18:00:00Z | 70 kt |
| 2020-07-31T21:00:00Z | 73 kt |
| 2020-08-01T00:00:00Z | 75 kt |
| 2020-08-01T03:00:00Z | 75 kt |
| 2020-08-01T06:00:00Z | 75 kt |
| 2020-08-01T09:00:00Z | 73 kt |
| 2020-08-01T12:00:00Z | 70 kt |
| 2020-08-01T13:00:00Z | 70 kt |
| 2020-08-01T15:00:00Z | 66 kt |
| 2020-08-01T18:00:00Z | 60 kt |
| 2020-08-01T21:00:00Z | 60 kt |
| 2020-08-02T00:00:00Z | 60 kt |
| 2020-08-02T03:00:00Z | 58 kt |
| 2020-08-02T06:00:00Z | 55 kt |
| 2020-08-02T09:00:00Z | 55 kt |
| 2020-08-02T12:00:00Z | 55 kt |
| 2020-08-02T15:00:00Z | 58 kt |
| 2020-08-02T18:00:00Z | 60 kt |
| 2020-08-02T21:00:00Z | 60 kt |
| 2020-08-03T00:00:00Z | 60 kt |
| 2020-08-03T03:00:00Z | 60 kt |
| 2020-08-03T06:00:00Z | 60 kt |
| 2020-08-03T09:00:00Z | 60 kt |
| 2020-08-03T12:00:00Z | 60 kt |
| 2020-08-03T15:00:00Z | 63 kt |
| 2020-08-03T18:00:00Z | 65 kt |
| 2020-08-03T21:00:00Z | 73 kt |
| 2020-08-04T00:00:00Z | 80 kt |
| 2020-08-04T03:00:00Z | 80 kt |
| 2020-08-04T03:10:00Z | 80 kt |
| 2020-08-04T06:00:00Z | 60 kt |
| 2020-08-04T09:00:00Z | 60 kt |
| 2020-08-04T12:00:00Z | 60 kt |
| 2020-08-04T15:00:00Z | 58 kt |
| 2020-08-04T18:00:00Z | 55 kt |
| 2020-08-04T21:00:00Z | 50 kt |
| 2020-08-05T00:00:00Z | 45 kt |
| 2020-08-05T03:00:00Z | 40 kt |
| 2020-08-05T06:00:00Z | 35 kt |
Pressure
hPa, six hourly| Time (UTC) | Pressure (hPa) |
|---|---|
| 2020-07-28T12:00:00Z | 1007 hPa |
| 2020-07-28T15:00:00Z | 1007 hPa |
| 2020-07-28T18:00:00Z | 1006 hPa |
| 2020-07-28T21:00:00Z | 1006 hPa |
| 2020-07-29T00:00:00Z | 1005 hPa |
| 2020-07-29T03:00:00Z | 1005 hPa |
| 2020-07-29T06:00:00Z | 1005 hPa |
| 2020-07-29T09:00:00Z | 1005 hPa |
| 2020-07-29T12:00:00Z | 1005 hPa |
| 2020-07-29T15:00:00Z | 1005 hPa |
| 2020-07-29T18:00:00Z | 1005 hPa |
| 2020-07-29T21:00:00Z | 1005 hPa |
| 2020-07-30T00:00:00Z | 1004 hPa |
| 2020-07-30T03:00:00Z | 1004 hPa |
| 2020-07-30T06:00:00Z | 1003 hPa |
| 2020-07-30T09:00:00Z | 1003 hPa |
| 2020-07-30T12:00:00Z | 1002 hPa |
| 2020-07-30T15:00:00Z | 1002 hPa |
| 2020-07-30T16:15:00Z | 1002 hPa |
| 2020-07-30T18:00:00Z | 999 hPa |
| 2020-07-30T21:00:00Z | 998 hPa |
| 2020-07-31T00:00:00Z | 996 hPa |
| 2020-07-31T03:00:00Z | 993 hPa |
| 2020-07-31T06:00:00Z | 990 hPa |
| 2020-07-31T09:00:00Z | 990 hPa |
| 2020-07-31T12:00:00Z | 992 hPa |
| 2020-07-31T15:00:00Z | 991 hPa |
| 2020-07-31T18:00:00Z | 990 hPa |
| 2020-07-31T21:00:00Z | 989 hPa |
| 2020-08-01T00:00:00Z | 987 hPa |
| 2020-08-01T03:00:00Z | 987 hPa |
| 2020-08-01T06:00:00Z | 987 hPa |
| 2020-08-01T09:00:00Z | 987 hPa |
| 2020-08-01T12:00:00Z | 987 hPa |
| 2020-08-01T13:00:00Z | 989 hPa |
| 2020-08-01T15:00:00Z | 991 hPa |
| 2020-08-01T18:00:00Z | 993 hPa |
| 2020-08-01T21:00:00Z | 994 hPa |
| 2020-08-02T00:00:00Z | 995 hPa |
| 2020-08-02T03:00:00Z | 996 hPa |
| 2020-08-02T06:00:00Z | 996 hPa |
| 2020-08-02T09:00:00Z | 996 hPa |
| 2020-08-02T12:00:00Z | 995 hPa |
| 2020-08-02T15:00:00Z | 995 hPa |
| 2020-08-02T18:00:00Z | 995 hPa |
| 2020-08-02T21:00:00Z | 995 hPa |
| 2020-08-03T00:00:00Z | 995 hPa |
| 2020-08-03T03:00:00Z | 995 hPa |
| 2020-08-03T06:00:00Z | 995 hPa |
| 2020-08-03T09:00:00Z | 995 hPa |
| 2020-08-03T12:00:00Z | 995 hPa |
| 2020-08-03T15:00:00Z | 993 hPa |
| 2020-08-03T18:00:00Z | 991 hPa |
| 2020-08-03T21:00:00Z | 989 hPa |
| 2020-08-04T00:00:00Z | 986 hPa |
| 2020-08-04T03:00:00Z | 986 hPa |
| 2020-08-04T03:10:00Z | 986 hPa |
| 2020-08-04T06:00:00Z | 992 hPa |
| 2020-08-04T09:00:00Z | 993 hPa |
| 2020-08-04T12:00:00Z | 993 hPa |
| 2020-08-04T15:00:00Z | 994 hPa |
| 2020-08-04T18:00:00Z | 994 hPa |
| 2020-08-04T21:00:00Z | 996 hPa |
| 2020-08-05T00:00:00Z | 998 hPa |
| 2020-08-05T03:00:00Z | 999 hPa |
| 2020-08-05T06:00:00Z | 1000 hPa |
ACE Compared With the 2020 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 |
|---|---|---|---|
| 2020-07-30 | Open coast, place not named in the data | 18.9, -69.8 | 60 kt (111 km/h, 69 mph) |
| 2020-08-01 | Open coast, place not named in the data | 24.6, -78.0 | 66 kt (122 km/h, 76 mph) |
| 2020-08-04 | Open coast, place not named in the data | 33.9, -78.5 | 80 kt (148 km/h, 92 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.