The SummaryTyphoon Penny (international code 199803) is a 1998 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 30m/s, minimum central pressure 985hPa, not in China Landfall, 1998-08-12 was numbered off, recorded 28 track points.
Typhoon Penny, international code 199803, international name PENNY, 1998 Northwest Pacific typhoon. Formed: 1998-08-05 06:00:00, ended: 1998-08-12 00:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 985 hPa, max wind: 30m/s.
Typhoon Penny at 1998-08-05 06:00:00 at 10.2°N, 129.9°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Tropical Storm intensity with max winds of 30 m/s (~108 km/h) and a minimum central pressure of 985hPa, recorded at 1998-08-10 12:00:00.
Typhoon Penny gradually weakened and was numbered off on 1998-08-12 00:00:00 was numbered off; its lifecycle recorded 28 track points.
Typhoon Penny (199803)'s life began at the Northwest Pacific ocean surface, presenting the overall stable NW toward MovingTrend. From the formed initial coordinates (10.2°N, 129.9°E) to the dispersed end position (23.8°N, 107°E) , its pathway span is larger, covering the process from low latitude tropical waters to higher latitude land regions. In the early Moving period (August 5 to August 7), the system mainly toward WNW direction, the latitude from 10.2°N rapidly increased to 15.8°N, the latitude then moved from 129.9°EW to 125°E, showing the typical characteristics of sub-tropical high-pressure S-directed flow.
Go to the intermediate phase (August 8 to August 10), the pathins the NW toward, but the Moving speed is slightly adjusted, gradually approaching the S-sea N and Chinese Scoastal region. It is worth noting that the system has no landfall record, but after August 11, as the latitude further N rises to 22.4°N above, the path turns toward more N direction, eventually weakening dispersion in the inland area near Guuangxi.
Penny的Intensity演变经历了“缓慢增强—巅峰维持—快速减弱”三个阶段. formed初期为Nameless, wind speed仅为7m/s. 在随后的三天内 (8月5日至8月7日) , intensity 增长较为平缓, wind speed维持在12-15m/s之间. 真正的显著加强发生在8月9日至8月10日期间, 系统由Nameless升级为Tropical Storm, 并迅速达到Severe Tropical Storm级别. 巅峰时刻出现在8月10日18:00, max wind 录得28m/s, 接近30m/s的极值, 此时中心位 at 20.7°N, 111.6°E附近.
However, the peak stateined Time is shorter. Since August 11, 06:00, the system Intensity sharply declined, wind speed gradually dropped from 28m/s to 17m/s, the level dropped back to Nameless. Then until disintegration, wind speed continued to decline to 10m/s. This rapid weakening may be related to the system Go to land friction zone or suffered adverse atmospheric environment. Compared to at other same name Typhoon, 1998 Penny although not reached the Typhoon level Intensity, but as a Severe Tropical Storm, in the S SeaN area still has a stronger water vapor transmission capacity, its life history of the intense wave of Intensity reflects the instability of the tropical atmosphere near the sea environment.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1998-08-05 06:00:00 | 10.2°N | 129.9°E | Nameless | 7 | - | |
| 1998-08-05 18:00:00 | 11.3°N | 128.9°E | Nameless | 10 | - | |
| 1998-08-06 06:00:00 | 12.7°N | 127.9°E | Nameless | 12 | 1008 | |
| 1998-08-06 18:00:00 | 14.3°N | 126.4°E | Nameless | 12 | 1008 | |
| 1998-08-07 06:00:00 | 15.8°N | 125°E | Nameless | 15 | 1004 | |
| 1998-08-07 18:00:00 | 17°N | 123.1°E | Nameless | 17 | 1004 | |
| 1998-08-08 06:00:00 | 17.8°N | 121.1°E | Nameless | 15 | 1004 | |
| 1998-08-08 18:00:00 | 18.8°N | 119°E | Nameless | 15 | 1000 | |
| 1998-08-09 06:00:00 | 19.4°N | 116.8°E | Nameless | 17 | 992 | |
| 1998-08-09 18:00:00 | 20°N | 115.3°E | Tropical Storm | 23 | 990 | |
| 1998-08-10 06:00:00 | 20.3°N | 113.5°E | Severe Tropical Storm | 25 | 985 | |
| 1998-08-10 18:00:00 | 20.7°N | 111.6°E | Severe Tropical Storm | 28 | 990 | |
| 1998-08-11 06:00:00 | 22.4°N | 110.5°E | Nameless | 17 | 996 | |
| 1998-08-11 18:00:00 | 23.5°N | 108.2°E | Nameless | 12 | - | |
| 1998-08-12 00:00:00 | 23.8°N | 107°E | Nameless | 10 | - |
Sampled rows shown; all 28 track points are available on the interactive map or via the public API .
Typhoon Penny's international code is 199803, is 1998 number 3 Typhoon, international name PENNY.
Typhoon Penny peak intensity is Severe Tropical Storm, max wind 30m/s, minimum central pressure 985 hPa.
According to records, Typhoon Penny is not in our coastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon Penny's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199803.
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Weather data: NASA GIBS / OpenWeatherMap / Open-Meteo / NOAA WW3, for reference only
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