[Quick Archive Overview]Typhoon Ivy (No.197111, a historical number used before 1981) was a 1971 Northwest Pacific typhoon. Its peak intensity was typhoon, with maximum winds of 35 m/s and a minimum central pressure of 978 hPa. It did not make landfall in China and was decommissioned on 1971-07-10, with 27 track points recorded throughout its lifetime.
Numbering note: International numbering in the Northwest Pacific has been assigned by the JMA, the regional specialized meteorological center for East Asia, since 1981. This system did not exist in 1971. The number 197111 is the historical number continued by the CMA, and the numbers assigned that year by the JMA, the Joint Typhoon Warning Center, and China's meteorological agencies may differ for the same typhoon and therefore 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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Typhoon Ivy Trail Review
Typhoon Ivy at 1971-07-04 08:00 at 23°N, 138°E over the Northwest Pacific; initial intensity: Tropical Depression.
It peaked at Typhoon intensity with max winds of 35 m/s (~126 km/h) and a minimum central pressure of 978hPa, recorded at 1971-07-06 08:00.
After 20:00 on 1971-07-10, Typhoon Ivy gradually weakened and was stopped numbering at 20:00 on 1971-07-10. Its lifecycle contains 27 track points.
Typhoon Ivy routes
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 07-04 08:00 | 23°N
138°E | Tropical Depression | 15 m/s
1006 hPa | - |
| 07-04 20:00 | 22°N
137°E | Tropical Depression | 15 m/s
1004 hPa | SW |
| 07-05 08:00 | 21.6°N
135.5°E | Severe Tropical Storm | 25 m/s
1000 hPa | W |
| 07-05 20:00 | 23.9°N
134.6°E | Severe Tropical Storm | 25 m/s
995 hPa | N |
| 07-06 08:00 | 28.1°N
133.9°E | Typhoon | 35 m/s
978 hPa | N |
| 07-06 20:00 | 29.8°N
132.6°E | Typhoon | 35 m/s
988 hPa | NW |
| 07-07 08:00 | 32.4°N
134.3°E | Severe Tropical Storm | 30 m/s
990 hPa | NNE |
| 07-07 20:00 | 35.4°N
137.5°E | Tropical Storm | 20 m/s
995 hPa | NE |
| 07-08 08:00 | 38.2°N
142.3°E | Tropical Storm | 20 m/s
996 hPa | NE |
| 07-08 20:00 | 39°N
148.8°E | Tropical Storm | 20 m/s
996 hPa | E |
| 07-09 08:00 | 39.5°N
155.5°E | Tropical Depression | 15 m/s
998 hPa | E |
| 07-09 20:00 | 39.6°N
161.8°E | Tropical Depression | - m/s
998 hPa | E |
| 07-10 08:00 | 40.2°N
168.7°E | Tropical Depression | - m/s
998 hPa | E |
| 07-10 20:00 | 43.5°N
175.5°E | Tropical Depression | - m/s
998 hPa | NE |
Sampled rows shown; all 27 track points are available on the interactive map or via the public API .
FAQ
Typhoon Ivy is the 1971 Typhoon.
Typhoon Ivy's number 197111 is the historical number continued by the CMA, meaning No. 11 of 1971. Its international name was IVY. International numbering in the Northwest Pacific began in 1981; before then, each agency used its own numbering system. The numbers assigned by the JMA, the Joint Typhoon Warning Center, and China's meteorological agencies may differ for the same typhoon and therefore cannot be compared directly.
Where did the track data for Typhoon Ivy 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 Typhoon Ivy?
Typhoon Ivy peak intensity is Typhoon , max wind 35m/s, minimum central pressure 978 hPa.
Is there a Typhoon IvyLandfall?
According to records, Typhoon Ivy is not in our coastal landfall.
Where can I view typhoon Ivy's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Ivy's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197111.
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