[Quick Archive Overview]Typhoon Opal (No.197316, the historical numbering used before 1981) was a 1973 Northwest Pacific typhoon. It reached peak intensity as a typhoon, with maximum winds of 40m/s and a minimum central pressure of 968hPa. It did not make landfall in China. Its final advisory was issued on 1973-10-12, and 33 track points were recorded throughout its lifetime.
Numbering explanation: International typhoon numbering in the Northwest Pacific has been assigned by JMA (Japan), the Regional Specialized Meteorological Center for East Asia, since 1981. This system did not exist in 1973. The number 197316 is the historical number used by the CMA, while the numbers assigned that year by JMA (Japan), the Joint Typhoon Warning Center in the USA, and China’s meteorological authorities for the same typhoon may differ and cannot be directly compared.
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
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Overview of Typhoon Opal
Typhoon Opal at 1973-10-04 08:00 at 13.6°N, 116.3°E over the Northwest Pacific; initial intensity: Tropical Depression.
It peaked at Typhoon intensity with max winds of 40 m/s (~144 km/h) and a minimum central pressure of 968hPa, recorded at 1973-10-06 14:00.
After 08:00 on 1973-10-12, Typhoon Opal gradually weakened and was numbered off at 08:00 that day. Its lifecycle was recorded with 33 track points.
Typhoon Opal routes
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 10-04 08:00 | 13.6°N
116.3°E | Tropical Depression | 10 m/s
1006 hPa | - |
| 10-04 20:00 | 12.7°N
114.5°E | Tropical Storm | 20 m/s
998 hPa | SW |
| 10-05 08:00 | 12.3°N
112.9°E | Severe Tropical Storm | 25 m/s
991 hPa | WNW |
| 10-05 20:00 | 12.8°N
112.3°E | Severe Tropical Storm | 30 m/s
985 hPa | NW |
| 10-06 08:00 | 13.2°N
112°E | Typhoon | 35 m/s
973 hPa | NNW |
| 10-06 20:00 | 13.7°N
113.1°E | Typhoon | 40 m/s
970 hPa | ENE |
| 10-07 08:00 | 14.2°N
111.5°E | Typhoon | 40 m/s
970 hPa | W |
| 10-07 20:00 | 14.3°N
110.5°E | Typhoon | 35 m/s
975 hPa | W |
| 10-08 08:00 | 14.1°N
109.4°E | Typhoon | 35 m/s
985 hPa | W |
| 10-08 20:00 | 13.3°N
109.1°E | Tropical Storm | 20 m/s
990 hPa | SSE |
| 10-09 08:00 | 13.9°N
110.6°E | Tropical Depression | 15 m/s
995 hPa | NE |
| 10-09 20:00 | 14.7°N
112°E | Tropical Depression | 15 m/s
1000 hPa | ENE |
| 10-10 08:00 | 15.3°N
113.4°E | Tropical Depression | 15 m/s
1001 hPa | ENE |
| 10-10 20:00 | 15.6°N
114.3°E | Tropical Depression | 15 m/s
1001 hPa | ENE |
| 10-11 08:00 | 16.1°N
115.2°E | Tropical Depression | 12 m/s
1003 hPa | ENE |
| 10-11 20:00 | 16.6°N
116°E | Tropical Depression | 10 m/s
1003 hPa | ENE |
| 10-12 08:00 | 17°N
116.8°E | Tropical Depression | 10 m/s
1005 hPa | ENE |
Sampled rows shown; all 33 track points are available on the interactive map or via the public API .
FAQ
Typhoon Opal is the 1973 Typhoon.
The number 197316 associated with Typhoon Opal is the historical number used by the CMA, meaning the 16th typhoon of 1973. Its international name was OPAL. International typhoon numbering in the Northwest Pacific did not begin until 1981. Before then, each agency assigned its own numbers, so the numbers used by JMA (Japan), the Joint Typhoon Warning Center in the USA, and China’s meteorological authorities for the same typhoon may differ and cannot be directly compared.
Where did Typhoon Opal's track data come from?
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
What is the most powerful Typhoon Opal?
Typhoon Opal peak intensity is Typhoon , max wind 40m/s, minimum central pressure 968 hPa.
The Typhoon Opal Landfall.
According to records, Typhoon Opal is not in our coastal landfall.
Where can I view typhoon Opal's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Opal's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197316.
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