2023 tropical cyclone season · North Atlantic
Hurricane Franklin Franklin · AL082023
Hurricane Franklin was tracked in the North Atlantic from 2023-08-19 to 2023-09-09 (21 days), peaking at 130 kt (H4) with a minimum pressure of 926 hPa. 286 archived forecasts from NHC, ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF, 99 km off on average.
- ATCF ID
- AL082023
- Basin
- North Atlantic
- Tracked
- 2023-08-19 → 2023-09-09 (21 days)
- Peak wind
- 130 kt · 67 m/s · H4
- Minimum pressure
- 926 hPa
- Archived forecasts
- 286
- Sources
- NHC · ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| NHC | 75 (44) | 131 (40) | 241 (36) | 541 (28) |
| ECMWF | 71 (44) | 99 (40) | 134 (36) | 279 (15) |
| ECMWF ENS | 69 (43) | 102 (39) | 134 (35) | 358 (26) |
| GFS | 61 (46) | 111 (42) | 251 (38) | 583 (30) |
| GEFS | 70 (46) | 128 (42) | 227 (38) | 469 (30) |
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 |
|---|---|---|---|---|
| 2023-08-19 18Z | 12.8°N 60.5°W | 25 | 1006 | TD |
| 2023-08-20 00Z | 13.1°N 62.1°W | 25 | 1006 | TD |
| 2023-08-20 06Z | 13.5°N 63.7°W | 30 | 1004 | TD |
| 2023-08-20 12Z | 14.0°N 65.2°W | 35 | 1002 | TS |
| 2023-08-20 18Z | 14.5°N 66.6°W | 40 | 1001 | TS |
| 2023-08-21 00Z | 14.8°N 67.9°W | 45 | 999 | TS |
| 2023-08-21 06Z | 14.8°N 68.8°W | 45 | 999 | TS |
| 2023-08-21 12Z | 14.6°N 69.5°W | 45 | 999 | TS |
| 2023-08-21 18Z | 14.1°N 70.0°W | 45 | 1002 | TS |
| 2023-08-22 00Z | 14.0°N 70.4°W | 45 | 1002 | TS |
| 2023-08-22 06Z | 14.1°N 70.9°W | 40 | 1002 | TS |
| 2023-08-22 12Z | 14.8°N 71.1°W | 40 | 1003 | TS |
| 2023-08-22 18Z | 15.6°N 71.3°W | 35 | 1003 | TS |
| 2023-08-23 00Z | 16.5°N 71.4°W | 35 | 1003 | TS |
| 2023-08-23 06Z | 17.3°N 71.4°W | 40 | 1003 | TS |
| 2023-08-23 12Z | 18.3°N 71.1°W | 40 | 1005 | TS |
| 2023-08-23 18Z | 19.4°N 70.8°W | 35 | 1004 | TS |
| 2023-08-24 00Z | 20.6°N 70.6°W | 40 | 1005 | TS |
| 2023-08-24 06Z | 21.6°N 70.5°W | 45 | 1001 | TS |
| 2023-08-24 12Z | 22.0°N 70.0°W | 50 | 998 | TS |
| 2023-08-24 18Z | 22.2°N 69.3°W | 50 | 1000 | TS |
| 2023-08-25 00Z | 22.4°N 68.5°W | 50 | 1000 | TS |
| 2023-08-25 06Z | 22.2°N 68.1°W | 50 | 1000 | TS |
| 2023-08-25 12Z | 21.9°N 67.9°W | 45 | 1003 | TS |
| 2023-08-25 18Z | 21.8°N 67.3°W | 45 | 1003 | TS |
| 2023-08-26 00Z | 22.2°N 66.5°W | 50 | 1002 | TS |
| 2023-08-26 06Z | 22.6°N 66.0°W | 55 | 992 | TS |
| 2023-08-26 12Z | 23.2°N 66.5°W | 65 | 989 | H1 |
| 2023-08-26 18Z | 23.5°N 67.3°W | 70 | 982 | H1 |
| 2023-08-27 00Z | 23.9°N 67.9°W | 75 | 977 | H1 |
| 2023-08-27 06Z | 24.4°N 68.5°W | 75 | 973 | H1 |
| 2023-08-27 12Z | 24.9°N 69.1°W | 80 | 970 | H1 |
| 2023-08-27 18Z | 25.5°N 69.7°W | 80 | 967 | H1 |
| 2023-08-28 00Z | 26.0°N 70.3°W | 85 | 964 | H2 |
| 2023-08-28 06Z | 26.7°N 70.6°W | 100 | 951 | H3 |
| 2023-08-28 12Z | 27.5°N 70.9°W | 125 | 937 | H4 |
| 2023-08-28 18Z | 28.2°N 71.1°W | 125 | 931 | H4 |
| 2023-08-29 00Z | 28.9°N 71.1°W | 130 | 926 | H4 |
| 2023-08-29 06Z | 29.7°N 71.0°W | 120 | 935 | H4 |
| 2023-08-29 12Z | 30.3°N 70.7°W | 115 | 941 | H4 |
| 2023-08-29 18Z | 31.1°N 70.2°W | 110 | 947 | H3 |
| 2023-08-30 00Z | 31.8°N 69.5°W | 100 | 953 | H3 |
| 2023-08-30 06Z | 32.6°N 68.7°W | 95 | 956 | H2 |
| 2023-08-30 12Z | 33.2°N 67.8°W | 95 | 958 | H2 |
| 2023-08-30 18Z | 33.9°N 66.7°W | 90 | 960 | H2 |
| 2023-08-31 00Z | 34.4°N 65.2°W | 90 | 961 | H2 |
| 2023-08-31 06Z | 34.7°N 63.9°W | 85 | 963 | H2 |
| 2023-08-31 12Z | 35.1°N 62.6°W | 85 | 964 | H2 |
| 2023-08-31 18Z | 35.6°N 61.1°W | 80 | 969 | H1 |
| 2023-09-01 00Z | 36.4°N 59.7°W | 75 | 975 | H1 |
| 2023-09-01 06Z | 37.4°N 58.2°W | 70 | 978 | H1 |
| 2023-09-01 12Z | 38.2°N 56.6°W | 65 | 982 | H1 |
| 2023-09-01 18Z | 38.8°N 54.6°W | 70 | 979 | H1 |
| 2023-09-02 00Z | 39.6°N 52.0°W | 70 | 979 | H1 |
| 2023-09-02 06Z | 41.2°N 48.8°W | 70 | 980 | H1 |
| 2023-09-02 12Z | 43.0°N 45.9°W | 65 | 981 | H1 |
| 2023-09-02 18Z | 44.8°N 43.4°W | 65 | 982 | H1 |
| 2023-09-03 00Z | 45.8°N 41.0°W | 65 | 984 | H1 |
| 2023-09-03 06Z | 46.4°N 38.7°W | 60 | 986 | TS |
| 2023-09-03 12Z | 47.0°N 36.2°W | 55 | 988 | TS |
| 2023-09-03 18Z | 47.7°N 33.4°W | 55 | 990 | TS |
| 2023-09-04 00Z | 47.8°N 30.8°W | 50 | 991 | TS |
| 2023-09-04 06Z | 47.5°N 28.6°W | 45 | 993 | TS |
| 2023-09-04 12Z | 47.1°N 27.3°W | 40 | 994 | TS |
| 2023-09-04 18Z | 46.7°N 26.8°W | 40 | 995 | TS |
| 2023-09-05 00Z | 46.0°N 26.6°W | 40 | 995 | TS |
| 2023-09-05 06Z | 44.6°N 26.3°W | 40 | 995 | TS |
| 2023-09-05 12Z | 42.8°N 25.4°W | 40 | 995 | TS |
| 2023-09-05 18Z | 41.0°N 23.8°W | 40 | 995 | TS |
| 2023-09-06 00Z | 40.1°N 21.6°W | 35 | 995 | TS |
| 2023-09-06 06Z | 40.1°N 19.4°W | 35 | 995 | TS |
| 2023-09-06 12Z | 41.3°N 17.7°W | 40 | 993 | TS |
| 2023-09-06 18Z | 43.3°N 16.5°W | 45 | 992 | TS |
| 2023-09-07 00Z | 45.4°N 16.0°W | 50 | 991 | TS |
| 2023-09-07 06Z | 46.8°N 16.1°W | 50 | 991 | TS |
| 2023-09-07 12Z | 47.7°N 16.3°W | 45 | 993 | TS |
| 2023-09-07 18Z | 48.5°N 16.5°W | 40 | 996 | TS |
| 2023-09-08 00Z | 48.5°N 17.2°W | 35 | 998 | TS |
| 2023-09-08 06Z | 48.3°N 17.8°W | 30 | 1001 | TD |
| 2023-09-08 12Z | 47.9°N 18.5°W | 30 | 1004 | TD |
| 2023-09-08 18Z | 47.2°N 18.9°W | 30 | 1006 | TD |
| 2023-09-09 00Z | 46.3°N 19.1°W | 30 | 1007 | TD |
| 2023-09-09 06Z | 45.3°N 19.4°W | 30 | 1007 | TD |
| 2023-09-09 12Z | 44.1°N 19.8°W | 25 | 1008 | TD |
| 2023-09-09 18Z | 43.1°N 20.3°W | 25 | 1008 | TD |