Bertha was a TS Atlantic tropical cyclone that existed from August 8 to August 11, 1957 (4 days). It reached peak winds of 63 mph (55 kt) and a minimum central pressure of 998 mb. The storm made one landfall on August 10 at 29.7°N, 93.9°W.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1957-08-08 00:00 | TD | 27.00 | -87.40 | 25 | ||
| 1957-08-08 06:00 | TD | 27.00 | -88.00 | 30 | ||
| 1957-08-08 12:00 | TS | 27.00 | -88.60 | 35 | ||
| 1957-08-08 18:00 | TS | 27.20 | -89.20 | 45 | ||
| 1957-08-09 00:00 | TS | 27.50 | -89.90 | 55 | 1000 | |
| 1957-08-09 06:00 | TS | 27.80 | -90.60 | 50 | ||
| 1957-08-09 12:00 | TS | 28.30 | -91.30 | 45 | ||
| 1957-08-09 18:00 | TS | 29.00 | -92.20 | 50 | 1005 | |
| 1957-08-10 00:00 | TS | 29.50 | -93.10 | 55 | ||
| 1957-08-10 06:00 | TS | 29.70 | -93.90 | 55 | 998 | Landfall |
| 1957-08-10 12:00 | TS | 30.10 | -94.60 | 40 | ||
| 1957-08-10 18:00 | TD | 30.80 | -95.10 | 30 | ||
| 1957-08-11 00:00 | TD | 31.70 | -95.20 | 25 | ||
| 1957-08-11 06:00 | TD | 32.70 | -95.20 | 25 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.