The SummaryTyphoon Agness (international code 197509) is a 1975 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 996hPa, not in China Landfall, 1975-09-08 was numbered off, recording 17 track points.
Typhoon Agness, international code 197509, international name VILOA, 1975 Northwest Pacific typhoon. Formed: 1975-09-04 00:00:00, ended: 1975-09-08 00:00:00. Peak intensity: Tropical Storm, minimum central pressure: 996 hPa, max wind: 23m/s.
Typhoon Agness at 1975-09-04 00:00:00 at 13.9°N, 131.1°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Tropical Storm intensity with max winds of 23 m/s (~83 km/h) and a minimum central pressure of 996hPa, recorded at 1975-09-06 06:00:00.
Typhoon Agness gradually weakened and was numbered off on 1975-09-08 00:00:00 was numbered off; its lifecycle recorded 17 track points.
Typhoon Agness (197509)'s life cycle began at Northwest Pacific surface, the overall path showed stable NE toward Moving characteristics. From 4 September 1975 00:00 to 8 September 00:00, the system within about 4 days of Time, Center from the initial 13.9°N, 131.1°E continued Moving to 22°N, 138.2°E. During the entire observation period, the Typhoon did not show any apparent W twist or rotation, nor occurred Landfall, always in open sea activity.
In the early months of September 4th to 5th, the system mainly toward NE direction slowly advanced, the latitude increased from 13.9°N to 15.9°N, the length of small oscillation between 130.9°E to 131.6°E, showing the guiding air flow is relatively stable. Go to September 6th, with the latitude breaking 16°N, Moving speed slightly accelerated, and toward E percentage increased, the path gradually turned to a more clear NE direction. Until the end of life, the systemined the NE toward Moving, eventually reaching 22°N, 138.2°E nearby.
In terms of intensity, Agness underwent a typical 'formed-enhanced-weakened' process. The initial stage is Nameless, max windined at 12m/s. On the morning of September 5th, wind speed increased to 15m/s, then on the afternoon of September 5th to the evening further increased to 17m/s. On September 6th, 00:00, the system officially intensified into Tropical Storm, wind speed reached 20m/s, and at the same day 06:00 reached peak intensity, max wind was 23m/s. After that, the system rapidly weakened, on September 6th 12:00wind speed dropped back to 20m/s, 18:00 dropped to Nameless (17m/s) . During the remainder of life, wind speed continued to decrease, and finally stabilized at 12m
Agness in 1989 had reached the level of Super Typhoon, 1986 and 1983 of the same name Typhoon was also Severe Tropical Storm, and 2004 of Agness although the same as Tropical Storm, but recorded a specific minimum atmospheric pressure of 990hPa.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1975-09-04 00:00:00 | 13.9°N | 131.1°E | Nameless | 12 | - | |
| 1975-09-04 06:00:00 | 14.1°N | 131°E | Nameless | 12 | 1006 | |
| 1975-09-04 12:00:00 | 14.3°N | 131°E | Nameless | 12 | 1006 | |
| 1975-09-04 18:00:00 | 14.6°N | 130.9°E | Nameless | 12 | 1006 | |
| 1975-09-05 00:00:00 | 14.9°N | 130.9°E | Nameless | 15 | 1004 | |
| 1975-09-05 06:00:00 | 15.3°N | 131.1°E | Nameless | 15 | 1002 | |
| 1975-09-05 12:00:00 | 15.7°N | 131.3°E | Nameless | 17 | 996 | |
| 1975-09-05 18:00:00 | 15.9°N | 131.6°E | Nameless | 17 | 996 | |
| 1975-09-06 00:00:00 | 16.3°N | 132.1°E | Tropical Storm | 20 | 996 | |
| 1975-09-06 06:00:00 | 17.2°N | 132.7°E | Tropical Storm | 23 | 996 | |
| 1975-09-06 12:00:00 | 18.2°N | 133.2°E | Tropical Storm | 20 | 996 | |
| 1975-09-06 18:00:00 | 19.1°N | 133.7°E | Nameless | 17 | 996 | |
| 1975-09-07 00:00:00 | 19.9°N | 134.3°E | Nameless | 15 | 996 | |
| 1975-09-07 06:00:00 | 20.4°N | 135.1°E | Nameless | 15 | 1000 | |
| 1975-09-07 12:00:00 | 21°N | 136.1°E | Nameless | 12 | 1004 | |
| 1975-09-07 18:00:00 | 21.5°N | 137.2°E | Nameless | 12 | 1006 | |
| 1975-09-08 00:00:00 | 22°N | 138.2°E | Nameless | 12 | 1006 |
Typhoon Agness's international code is 197509, is 1975's 9th Typhoon, international name VILOA.
Typhoon Agness peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 996 hPa.
According to records, Typhoon Agness is not in our coastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon Agness's Track history map, multinational meteorological agency Forecast comparison, wind circle range and IntensityTrend, page address: https://taifengshuo.com/typhoon/197509.
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