2025 tropical cyclone season · eastern North Pacific
Hurricane Flossie Flossie · EP062025
Hurricane Flossie was tracked in the eastern North Pacific from 2025-06-29 to 2025-07-05 (7 days), peaking at 100 kt (H3) with a minimum pressure of 962 hPa. 181 archived forecasts from NHC, ECMWF, ECMWF ENS, GFS, GEFS, Google DeepMind are verified against its best track; at 48 hours the closest was NHC, 33 km off on average.
- ATCF ID
- EP062025
- Basin
- eastern North Pacific
- Tracked
- 2025-06-29 → 2025-07-05 (7 days)
- Peak wind
- 100 kt · 51 m/s · H3
- Minimum pressure
- 962 hPa
- Archived forecasts
- 181
- Sources
- NHC · ECMWF · ECMWF ENS · GFS · GEFS · Google DeepMind
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| NHC | 31 (13) | 33 (9) | 90 (5) | — |
| ECMWF | 54 (13) | 71 (9) | 41 (5) | — |
| ECMWF ENS | 58 (13) | 62 (9) | 28 (5) | — |
| GFS | 34 (13) | 74 (9) | 83 (5) | — |
| GEFS | 33 (13) | 63 (9) | 85 (5) | — |
| Google DeepMind | 31 (13) | 56 (9) | 120 (5) | — |
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 |
|---|---|---|---|---|
| 2025-06-29 06Z | 13.0°N 99.1°W | 25 | 1008 | TD |
| 2025-06-29 12Z | 13.1°N 99.6°W | 30 | 1006 | TD |
| 2025-06-29 18Z | 13.4°N 100.1°W | 35 | 1005 | TS |
| 2025-06-30 00Z | 14.0°N 100.7°W | 35 | 1005 | TS |
| 2025-06-30 06Z | 14.6°N 101.4°W | 40 | 1004 | TS |
| 2025-06-30 12Z | 15.3°N 102.1°W | 45 | 999 | TS |
| 2025-06-30 18Z | 15.9°N 103.0°W | 55 | 996 | TS |
| 2025-07-01 00Z | 16.4°N 103.9°W | 65 | 988 | H1 |
| 2025-07-01 06Z | 16.8°N 104.7°W | 70 | 984 | H1 |
| 2025-07-01 12Z | 17.2°N 105.5°W | 80 | 978 | H1 |
| 2025-07-01 18Z | 17.6°N 106.3°W | 95 | 966 | H2 |
| 2025-07-02 00Z | 18.0°N 107.1°W | 100 | 962 | H3 |
| 2025-07-02 06Z | 18.4°N 107.9°W | 100 | 962 | H3 |
| 2025-07-02 12Z | 18.8°N 108.7°W | 95 | 967 | H2 |
| 2025-07-02 18Z | 19.3°N 109.4°W | 85 | 974 | H2 |
| 2025-07-03 00Z | 19.6°N 109.9°W | 70 | 983 | H1 |
| 2025-07-03 06Z | 20.0°N 110.6°W | 50 | 997 | TS |
| 2025-07-03 12Z | 20.4°N 111.3°W | 40 | 1001 | TS |
| 2025-07-03 18Z | 20.9°N 112.0°W | 35 | 1003 | TS |
| 2025-07-04 00Z | 21.6°N 112.9°W | 30 | 1006 | TD |
| 2025-07-04 06Z | 22.3°N 113.8°W | 30 | 1007 | TD |
| 2025-07-04 12Z | 22.9°N 114.8°W | 30 | 1007 | TD |
| 2025-07-04 18Z | 23.4°N 115.8°W | 25 | 1008 | TD |
| 2025-07-05 00Z | 23.8°N 116.6°W | 20 | 1010 | TD |
| 2025-07-05 06Z | 24.0°N 117.3°W | 15 | 1011 | TD |
| 2025-07-05 12Z | 24.1°N 117.9°W | 15 | 1013 | TD |
| 2025-07-05 18Z | 24.1°N 118.5°W | 15 | 1015 | TD |