The SummaryTyphoon Pat (international code 199122) is a 1991 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 64m/s, minimum central pressure 925hPa, not in China Landfall, 1991-10-13 was numbered off, recording 49 track points.
Typhoon Pat, international code 199122, international name PAT, 1991 Northwest Pacific typhoon. Formed: 1991-10-01 00:00:00, ended: 1991-10-13 00:00:00. Peak intensity: Super Typhoon, minimum central pressure: 925 hPa, max wind: 64m/s.
Typhoon Pat at 1991-10-01 00:00:00 at 8°N, 164°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 64 m/s (~230 km/h) and a minimum central pressure of 925hPa, recorded at 1991-10-08 06:00:00.
Typhoon Pat gradually weakened and was numbered off on 1991-10-13 00:00:00 was numbered off; its lifecycle recorded 49 track points.
Typhoon Pat (199122) 的生命史始 at Northwest Pacific远洋海域, 整体路径呈现典型的“抛物线”型Moving特征. formed初期 (10月1日至3日) , 系统位 at 低The latitude洋面 (8°N-10.6°N) , 受副热带高压S侧引导气流影响, 主要维持 toward WN direction缓慢Moving. 10月4日至5日期间, 随着纬度N抬至13°N以上, 移速略有加快, 路径逐渐转为NW toward .
When the Center arrived near 151°E, at a latitude of about 16°N-18°N, the Typhoon completed a significant shift from NW toward to NE toward . subsequently, the System Go to Middle Latitude W wind belt control zone, accelerated toward NE. by the 13th of October, before dispersal, the center had moved N to 40.3°N high latitude waters, the length E declined to 155.4°E. During the entire life cycle, the Typhoon did not landfall any land, always operating on the open ocean, the path was smooth and continuous, with no apparent twist or stagnation phenomenon.
In terms of Intensity changes, Pat underwent a complete 'formed-enhanced-top-weakened' process. October 1 to 5 is a slow enhancement period, developed by Nameless to Tropical Storm. October 6 to 8 Go to rapid enhancement phase, max wind increased from 23m/s to 61m/s, and at October 8 reached Super Typhoon level. Peak period (October 8-10) , its Max Windined between 51m/s to 61m/s, of which October 8 recorded the extreme value of Max Wind64m/s (Note: According to sampling data, October 8 recorded as 61m/s, but speak intensity described as 64m/s, here with reference to the high Intensity continuity period in the series of observations), shows an extremely strong core flow structure.
After October 11, as the latitude increased further and the sea temperature decreased, Typhoon began to weaken significantly, downgraded from Super Typhoon to Typhoon, and eventually dispersed on high latitudes at Severe Tropical StormIntensity on October 13.
Compared to previous typhoon, Pat's peak intensity (Super Typhoon, 64m/s) in 1991 was significantly higher at 1994 (Severe Typhoon), 1988 (Typhoon) and 1985 (Severe Typhoon) systems of the same name.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1991-10-01 00:00:00 | 8°N | 164°E | Nameless | 7 | - | |
| 1991-10-01 18:00:00 | 8.8°N | 163.6°E | Nameless | 7 | - | |
| 1991-10-02 12:00:00 | 9.7°N | 163.2°E | Nameless | 7 | - | |
| 1991-10-03 06:00:00 | 11.1°N | 162.8°E | Nameless | 10 | - | |
| 1991-10-04 00:00:00 | 13.2°N | 162.1°E | Nameless | 12 | - | |
| 1991-10-04 18:00:00 | 14.3°N | 160°E | Nameless | 15 | 1002 | |
| 1991-10-05 12:00:00 | 15.3°N | 156.7°E | Nameless | 17 | 1000 | |
| 1991-10-06 06:00:00 | 15.6°N | 153.5°E | Severe Tropical Storm | 25 | 990 | |
| 1991-10-07 00:00:00 | 16.2°N | 151.9°E | Typhoon | 35 | 975 | |
| 1991-10-07 18:00:00 | 17.4°N | 151.2°E | Super Typhoon | 56 | 955 | |
| 1991-10-08 12:00:00 | 19°N | 151.1°E | Super Typhoon | 64 | 940 | |
| 1991-10-09 06:00:00 | 20.8°N | 150.3°E | Super Typhoon | 56 | 925 | |
| 1991-10-10 00:00:00 | 22.3°N | 149.7°E | Super Typhoon | 51 | 930 | |
| 1991-10-10 18:00:00 | 24.2°N | 150.2°E | Severe Typhoon | 43 | 950 | |
| 1991-10-11 12:00:00 | 27.7°N | 151.5°E | Typhoon | 38 | 965 | |
| 1991-10-12 06:00:00 | 33.7°N | 152°E | Typhoon | 33 | 965 | |
| 1991-10-13 00:00:00 | 40.3°N | 155.4°E | Severe Tropical Storm | 28 | 975 |
Sampled rows shown; all 49 track points are available on the interactive map or via the public API .
The international code for Typhoon Pat is 199122, which is the 22nd Typhoon of 1991, the international name PAT.
Typhoon Pat peak intensity is Super Typhoon, max wind 64m/s, minimum central pressure 925 hPa.
According to records, Typhoon Pat is not in our coastal landfall.
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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