Typhoon Pat Trail Characteristics
Track and Turning Characteristics
Typhoon Pat (199122) 的生命史始 at Northwest Pacific远洋海域, 整体路径呈现典型的“NW行后转NE”的抛物线形态. formed初期 (10月5日至7日) , 系统自14.8°N, 157°E附近 toward NW, 纬度缓慢N抬, 经度持续W进. 10月8日至9日期间, 路径出现显著转折, Moving direction由NW逐渐转为正N, 随后在10月10日后稳定转 toward NE. 这一转 toward 过程发生在150°E至151°E附近的洋面上, 未触及任何land, 全程保持海上运行状态.
In terms of translation speed, the system moved relatively slowly at first, then accelerated markedly as it gained latitude. In particular, from October 12 to 14, it moved rapidly north from 31.5°N to 46°N, while its longitude shifted from 151.8°EE to 165°E, showing accelerated extratropical transition under the steering influence of the high-latitude westerlies. Its track covered a vast area from tropical to extratropical waters, and it finally weakened and dissipated near 46°N, 165°E on October 14.
Intensity evolution and historical comparison
Pat’s intensity evolution went through three stages: rapid intensification, a peak plateau, and gradual weakening. It began as a tropical depression, then rapidly intensified into a severe tropical storm within 48 hours. From the evening of October 8 to the morning of October 10, it reached peak intensity, with central pressure falling to 930 hPa and maximum winds reaching 50 m/s. It maintained severe typhoon status for about 36 hours. Thereafter, as the system moved toward higher latitudes and the environmental field changed, it began weakening gradually, with pressure rising and wind speeds decreasing. It retained tropical storm status until becoming a extratropical cyclone.
Compared with previous typhoons of the same name, Pat in 1991 was significantly stronger. Its minimum central pressure of 930 hPa was much lower than that of Pat in 1994 (965 hPa), Pat in 1988 (980 hPa), and Pat in 1985 (961 hPa). Even compared with the historically strong Pat in 1982, which had a minimum pressure of 944 hPa, Pat in 1991 had a pressure 14 hPa lower and stronger maximum winds. The data show that Pat in 1991 was the strongest and had the lowest central pressure among the typhoons listed with this name, demonstrating exceptional rapid intensification and sustained intensity.
Typhoon Pat routes
| Time | Position | Intensity | Wind · Pressure | Moving Toward |
|---|
| 10-05 20:00 | 14.8°N
157°E | Tropical Depression | 12 m/s
1002 hPa | - |
| 10-06 08:00 | 15.3°N
155°E | Tropical Storm | 20 m/s
995 hPa | WNW |
| 10-06 20:00 | 15.8°N
153.1°E | Tropical Storm | 20 m/s
995 hPa | WNW |
| 10-07 08:00 | 16.1°N
152°E | Severe Tropical Storm | 30 m/s
975 hPa | W |
| 10-07 20:00 | 17°N
151.5°E | Typhoon | 35 m/s
965 hPa | NNW |
| 10-08 08:00 | 17.8°N
151.2°E | Typhoon | 40 m/s
955 hPa | NNW |
| 10-08 20:00 | 19.1°N
151.1°E | Severe Typhoon | 45 m/s
945 hPa | N |
| 10-09 08:00 | 20.2°N
150.7°E | Severe Typhoon | 45 m/s
940 hPa | NNW |
| 10-09 20:00 | 21.3°N
149.8°E | Severe Typhoon | 50 m/s
930 hPa | NW |
| 10-10 08:00 | 22.3°N
149.6°E | Severe Typhoon | 50 m/s
930 hPa | N |
| 10-10 20:00 | 23.4°N
149.8°E | Severe Typhoon | 45 m/s
940 hPa | NNE |
| 10-11 08:00 | 25°N
150.6°E | Typhoon | 40 m/s
955 hPa | NNE |
| 10-11 20:00 | 27.6°N
151.4°E | Typhoon | 35 m/s
965 hPa | N |
| 10-12 08:00 | 31.5°N
151.8°E | Typhoon | 35 m/s
965 hPa | N |
| 10-12 20:00 | 35.9°N
153°E | Typhoon | 35 m/s
965 hPa | NNE |
| 10-13 08:00 | 40.5°N
155.3°E | Severe Tropical Storm | 30 m/s
975 hPa | NNE |
| 10-13 20:00 | 44.1°N
159°E | Severe Tropical Storm | 25 m/s
985 hPa | NE |
| 10-14 08:00 | 46°N
165°E | Tropical Storm | 20 m/s
990 hPa | ENE |
Sampled rows shown; all 35 track points are available on the interactive map or via the public API .
FAQ
Typhoon Pat was the 1991 Typhoon.
The international code for Typhoon Pat is 199122, which is the 22nd Typhoon of 1991, the international name PAT.
What is the highest level of Typhoon Pat?
Typhoon Pat peak intensity is Severe Typhoon, max wind 50m/s, minimum central pressure 930 hPa.
Is there a Typhoon PatLandfall?
According to records, Typhoon Pat is not in our coastal landfall.
Where can I view typhoon Pat's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Pat's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199122.
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