2023 tropical cyclone season · eastern North Pacific
Hurricane Calvin Calvin · EP032023
Hurricane Calvin was tracked in the eastern North Pacific from 2023-07-10 to 2023-07-19 (10 days), peaking at 110 kt (H3) with a minimum pressure of 953 hPa. 192 archived forecasts from NHC, ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 50 km off on average.
- ATCF ID
- EP032023
- Basin
- eastern North Pacific
- Tracked
- 2023-07-10 → 2023-07-19 (10 days)
- Peak wind
- 110 kt · 57 m/s · H3
- Minimum pressure
- 953 hPa
- Archived forecasts
- 192
- Sources
- NHC · ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| NHC | 46 (28) | 55 (24) | 84 (20) | 131 (12) |
| ECMWF | 41 (29) | 56 (24) | 83 (21) | 179 (7) |
| ECMWF ENS | 41 (30) | 50 (26) | 63 (22) | 144 (14) |
| GFS | 54 (30) | 93 (26) | 141 (22) | 215 (14) |
| GEFS | 51 (30) | 77 (26) | 105 (22) | 146 (14) |
Mean great-circle distance to the best track at each lead time, counted while the system was a tropical or subtropical cyclone; the number of cases is in brackets.
Best track
Six-hourly positions of the US best track (JTWC / NHC, one-minute winds); grades on the Saffir–Simpson scale.
| Time (UTC) | Position | Wind (kt) | Pressure (hPa) | Grade |
|---|---|---|---|---|
| 2023-07-10 06Z | 10.4°N 98.0°W | 20 | 1009 | TD |
| 2023-07-10 12Z | 10.5°N 99.4°W | 25 | 1008 | TD |
| 2023-07-10 18Z | 10.7°N 101.0°W | 30 | 1008 | TD |
| 2023-07-11 00Z | 11.2°N 102.5°W | 30 | 1008 | TD |
| 2023-07-11 06Z | 11.7°N 104.2°W | 35 | 1006 | TS |
| 2023-07-11 12Z | 12.1°N 105.8°W | 35 | 1006 | TS |
| 2023-07-11 18Z | 12.3°N 107.2°W | 35 | 1006 | TS |
| 2023-07-12 00Z | 12.4°N 108.5°W | 35 | 1005 | TS |
| 2023-07-12 06Z | 12.4°N 109.8°W | 40 | 1004 | TS |
| 2023-07-12 12Z | 12.4°N 111.3°W | 45 | 1002 | TS |
| 2023-07-12 18Z | 12.4°N 112.8°W | 55 | 998 | TS |
| 2023-07-13 00Z | 12.4°N 114.3°W | 60 | 995 | TS |
| 2023-07-13 06Z | 12.3°N 115.4°W | 60 | 995 | TS |
| 2023-07-13 12Z | 12.5°N 116.6°W | 65 | 993 | H1 |
| 2023-07-13 18Z | 12.7°N 118.0°W | 70 | 990 | H1 |
| 2023-07-14 00Z | 13.0°N 119.7°W | 85 | 976 | H2 |
| 2023-07-14 06Z | 13.1°N 121.3°W | 95 | 966 | H2 |
| 2023-07-14 12Z | 13.4°N 122.6°W | 105 | 959 | H3 |
| 2023-07-14 18Z | 13.7°N 123.9°W | 110 | 953 | H3 |
| 2023-07-15 00Z | 14.0°N 125.3°W | 100 | 962 | H3 |
| 2023-07-15 06Z | 14.4°N 126.7°W | 90 | 969 | H2 |
| 2023-07-15 12Z | 14.6°N 128.2°W | 90 | 971 | H2 |
| 2023-07-15 18Z | 14.9°N 129.7°W | 90 | 973 | H2 |
| 2023-07-16 00Z | 15.2°N 131.2°W | 80 | 977 | H1 |
| 2023-07-16 06Z | 15.5°N 132.6°W | 75 | 982 | H1 |
| 2023-07-16 12Z | 15.7°N 134.0°W | 65 | 990 | H1 |
| 2023-07-16 18Z | 16.0°N 135.6°W | 60 | 993 | TS |
| 2023-07-17 00Z | 16.4°N 137.2°W | 55 | 995 | TS |
| 2023-07-17 06Z | 16.6°N 138.8°W | 50 | 998 | TS |
| 2023-07-17 12Z | 16.7°N 140.5°W | 45 | 1000 | TS |
| 2023-07-17 18Z | 17.0°N 142.4°W | 45 | 1000 | TS |
| 2023-07-18 00Z | 17.2°N 144.4°W | 40 | 1004 | TS |
| 2023-07-18 06Z | 17.3°N 146.5°W | 40 | 1002 | TS |
| 2023-07-18 12Z | 17.4°N 148.5°W | 40 | 1002 | TS |
| 2023-07-18 18Z | 17.6°N 150.4°W | 45 | 1002 | TS |
| 2023-07-19 00Z | 17.8°N 152.3°W | 50 | 1003 | TS |
| 2023-07-19 06Z | 17.7°N 154.3°W | 45 | 1003 | TS |
| 2023-07-19 12Z | 17.7°N 155.9°W | 40 | 1006 | TS |
| 2023-07-19 18Z | 17.9°N 157.7°W | 35 | 1009 | TS |