Bertha (1990, North Atlantic)
Lowest pressure973 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind70 kt (36 m/s)1-min
Duration9.0 days1990-07-24 – 1990-08-02
Strength rank in 19906 / 14by peak wind
All-time rank427 / 9861950–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1990 storms (peak wind)
105 kt
85 kt
85 kt
75 kt
75 kt
70 kt
70 kt
65 kt
60 kt
55 kt
55 kt
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1990-07-24 12:00 | 34.0 | -75.0 | 20 | 1,012 |
| 1990-07-24 18:00 | 33.6 | -73.8 | 20 | 1,013 |
| 1990-07-25 00:00 | 33.0 | -72.7 | 20 | 1,013 |
| 1990-07-25 06:00 | 32.1 | -71.9 | 20 | 1,013 |
| 1990-07-25 12:00 | 31.2 | -71.8 | 20 | 1,012 |
| 1990-07-25 18:00 | 30.7 | -72.2 | 25 | 1,011 |
| 1990-07-26 00:00 | 30.5 | -72.8 | 25 | 1,010 |
| 1990-07-26 06:00 | 30.3 | -73.4 | 25 | 1,010 |
| 1990-07-26 12:00 | 30.1 | -74.0 | 25 | 1,010 |
| 1990-07-26 18:00 | 29.8 | -74.6 | 25 | 1,010 |
| 1990-07-27 00:00 | 29.6 | -75.2 | 25 | 1,009 |
| 1990-07-27 06:00 | 29.3 | -75.6 | 30 | 1,008 |
| 1990-07-27 12:00 | 29.1 | -75.8 | 30 | 1,008 |
| 1990-07-27 18:00 | 28.8 | -76.0 | 30 | 1,007 |
| 1990-07-28 00:00 | 28.6 | -75.8 | 35 | 1,005 |
| 1990-07-28 06:00 | 28.8 | -75.4 | 40 | 1,003 |
| 1990-07-28 12:00 | 29.1 | -74.8 | 45 | 1,000 |
| 1990-07-28 18:00 | 29.6 | -74.2 | 55 | 995 |
| 1990-07-29 00:00 | 30.2 | -73.6 | 65 | 990 |
| 1990-07-29 06:00 | 30.8 | -73.0 | 65 | 988 |
| 1990-07-29 12:00 | 31.3 | -72.2 | 65 | 989 |
| 1990-07-29 18:00 | 31.9 | -71.2 | 60 | 990 |
| 1990-07-30 00:00 | 32.7 | -70.2 | 60 | 989 |
| 1990-07-30 06:00 | 33.7 | -69.2 | 60 | 987 |
| 1990-07-30 12:00 | 34.7 | -68.3 | 65 | 985 |
| 1990-07-30 18:00 | 35.7 | -67.5 | 65 | 979 |
| 1990-07-31 00:00 | 36.6 | -67.0 | 70 | 974 |
| 1990-07-31 06:00 | 37.5 | -66.5 | 65 | 975 |
| 1990-07-31 12:00 | 38.3 | -65.9 | 65 | 976 |
| 1990-07-31 18:00 | 39.0 | -65.3 | 65 | 977 |
| 1990-08-01 00:00 | 39.6 | -64.5 | 65 | 977 |
| 1990-08-01 06:00 | 40.3 | -63.7 | 65 | 977 |
| 1990-08-01 12:00 | 41.1 | -62.7 | 65 | 977 |
| 1990-08-01 18:00 | 42.4 | -61.5 | 65 | 975 |
| 1990-08-02 00:00 | 44.2 | -60.5 | 70 | 973 |
| 1990-08-02 06:00 | 46.0 | -60.0 | 60 | 978 |
| 1990-08-02 12:00 | 48.4 | -60.0 | 55 | 982 |
Winds are NHC 1-minute sustained winds (not directly comparable with 10-minute typhoon winds).