[Quick Archive Overview]Typhoon Iris (No.197308, a historical numbering used before 1981) was a 1973 Northwest Pacific typhoon. It peaked as a typhoon, with maximum winds of 40 m/s and a minimum central pressure of 972 hPa. It did not make landfall in China, was discontinued on 1973-08-21, and has 58 recorded track points.
Numbering note: The internationally unified numbering system for the Northwest Pacific has been operated by the JMA, the Tokyo Regional Professional Meteorological Centre, since 1981. This system did not exist in 1973. The number 197308 is a historical number used by the CMA, and the numbers assigned that year by the JMA, the Joint Typhoon Warning Center in the United States, and China's meteorological authorities may differ for the same typhoon and cannot be compared directly.
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 Iris
Typhoon Iris at 1973-08-06 20:00 at 17.3°N, 142.3°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 972hPa, recorded at 1973-08-13 14:00.
After 1973-08-21 02:00, Typhoon Iris gradually weakened and was dissipated at 1973-08-21 02:00. Its lifecycle was recorded with 58 track points.
Typhoon Iris trajectory
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 08-06 20:00 | 17.3°N
142.3°E | Tropical Depression | 10 m/s
1008 hPa | - |
| 08-07 14:00 | 16.9°N
139.9°E | Tropical Depression | 10 m/s
1004 hPa | WSW |
| 08-08 08:00 | 16.4°N
137°E | Tropical Depression | 10 m/s
1004 hPa | WSW |
| 08-09 02:00 | 16.5°N
133.8°E | Tropical Depression | 10 m/s
1004 hPa | W |
| 08-09 20:00 | 19.1°N
131.6°E | Tropical Depression | 15 m/s
1004 hPa | NNW |
| 08-10 14:00 | 21.4°N
131°E | Tropical Storm | 20 m/s
1000 hPa | N |
| 08-11 08:00 | 23.2°N
131°E | Severe Tropical Storm | 25 m/s
987 hPa | N |
| 08-12 02:00 | 23.1°N
130.8°E | Severe Tropical Storm | 25 m/s
981 hPa | SSE |
| 08-12 20:00 | 23.1°N
131.2°E | Typhoon | 35 m/s
973 hPa | ENE |
| 08-13 14:00 | 23.4°N
132.1°E | Typhoon | 40 m/s
973 hPa | ENE |
| 08-14 08:00 | 24.9°N
132°E | Typhoon | 40 m/s
972 hPa | NNW |
| 08-15 02:00 | 27.2°N
130.4°E | Typhoon | 40 m/s
978 hPa | NNW |
| 08-15 20:00 | 29.2°N
128°E | Typhoon | 35 m/s
977 hPa | WNW |
| 08-16 14:00 | 31.1°N
125.2°E | Severe Tropical Storm | 30 m/s
976 hPa | NW |
| 08-17 08:00 | 35°N
125.2°E | Severe Tropical Storm | 30 m/s
980 hPa | N |
| 08-18 02:00 | 40°N
129.8°E | Tropical Depression | 15 m/s
990 hPa | NE |
| 08-18 20:00 | 44°N
139.5°E | Tropical Depression | 15 m/s
990 hPa | ENE |
| 08-19 14:00 | 44.1°N
153.4°E | Tropical Depression | 15 m/s
994 hPa | E |
| 08-20 08:00 | 44.3°N
165°E | Tropical Storm | 20 m/s
998 hPa | E |
| 08-21 02:00 | 46.4°N
177°E | Tropical Depression | 12 m/s
1002 hPa | ENE |
Sampled rows shown; all 58 track points are available on the interactive map or via the public API .
FAQ
Typhoon Iris was the 1973 Typhoon.
Iris's number 197308 is the historical number used by the CMA, meaning the eighth typhoon of 1973. Its international name was IRIS. The internationally unified numbering system for the Northwest Pacific did not begin until 1981; before then, agencies maintained separate numbering systems. The numbers assigned by the JMA, the Joint Typhoon Warning Center in the United States, and China's meteorological authorities may differ for the same typhoon and cannot be compared directly.
Where does Typhoon Iris'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 highest level of Typhoon Iris?
Typhoon Iris peak intensity is Typhoon , max wind 40m/s, minimum central pressure 972 hPa.
Is there a Typhoon Iris Landfall?
According to records, Typhoon Iris is not in our coastal landfall.
Where can I view typhoon Iris's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Iris' Track history map, multinational meteorological agency Forecast comparison, wind circle range and IntensityTrend, page address: https://taifengshuo.com/typhoon/197308.
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