The SummaryTyphoon Irma (international code 199301) is a 1993 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 28m/s, minimum central pressure 985hPa, not in China Landfall, 1993-03-18 was numbered off, recording 54 track points.
Typhoon Irma, international code 199301, international name IRMA, 1993 Northwest Pacific typhoon. Formed: 1993-03-05 00:00:00, ended: 1993-03-18 06:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 985 hPa, max wind: 28m/s.
Typhoon Irma at 1993-03-05 00:00:00 at 3.1°N, 173.7°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Tropical Storm intensity with max winds of 28 m/s (~101 km/h) and a minimum central pressure of 985hPa, recorded at 1993-03-13 18:00:00.
1993-03-18 06:00:00 After, Typhoon Irma gradually weakened and was numbered off on 1993-03-18 06:00:00 was numbered off; its lifecycle recorded 54 track points.
Typhoon Irma (199301) formed at 赤道附近海域, 初始Position位 at lat 3.1°N, 173.7°. 在生命史初期 (3月5日至3月12日) , 该系统主要呈现 toward WN direction缓慢Moving的态势, The latitude从3.1°N逐渐N抬至5.2°N后略有S落, During则由173.7°E持续W移至163.0°E. 此阶段Moving速度较慢, 路径相对平直, 未出现剧烈转 toward .
From March 13th, the Typhoon Moving pathway changed significantly, turning toward NW direction to accelerate Moving. especially during March 13th to March 14, the latitude jumped rapidly from 5.9°N to 11.3°N, the length from 160.2°EW to 154.4°E, showing a marked acceleration of N trend. The pathway then turned to N direction, until March 18th dispersed at lat 18.2°N, 152.6° near.
从Intensity演变来看, Irma经历了一个典型的“缓慢增强-快速爆发-维持巅峰-逐渐减弱”的过程. formed初期至3月12日, 系统长期维持Nameless等级, wind speed在7m/s至15m/s之间波动, 发展较为迟缓. 3月13日升级为Tropical Storm (20m/s) , 并在次日 (3月14日) 迅速增强为Severe Tropical Storm, 达到peak intensity, max wind 录得28m/s. 此后两天 (3月15日-16日) , intensity 在25m/s至28m/s之间高位震荡, 维持Severe Tropical Storm等级. 3月17日起, 随着The latitude进一步N抬, 系统开始减弱, wind speed降至20m/s, 并 at 3月18日早晨降格为Nameless直至消散.
Irma peak intensity is Severe Tropical Storm, weak at 1985 Irma (Severe Typhoon), 1981 Irma (Super Typhoon) and 1978 Irma (Typhoon), but with 1988 Irma (Severe Tropical Storm) intensity is equivalent.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1993-03-05 00:00:00 | 3.1°N | 173.7°E | Nameless | 7 | - | |
| 1993-03-05 18:00:00 | 3.4°N | 171°E | Nameless | 7 | - | |
| 1993-03-06 12:00:00 | 3.6°N | 168.8°E | Nameless | 10 | - | |
| 1993-03-07 06:00:00 | 3.7°N | 167.1°E | Nameless | 10 | - | |
| 1993-03-08 00:00:00 | 4°N | 166°E | Nameless | 12 | - | |
| 1993-03-08 18:00:00 | 4.6°N | 165.2°E | Nameless | 12 | - | |
| 1993-03-09 12:00:00 | 5.2°N | 164.4°E | Nameless | 12 | - | |
| 1993-03-10 06:00:00 | 5.3°N | 163.7°E | Nameless | 15 | 1002 | |
| 1993-03-11 00:00:00 | 5.2°N | 163°E | Nameless | 12 | 1002 | |
| 1993-03-11 18:00:00 | 4.1°N | 162.5°E | Nameless | 12 | 1000 | |
| 1993-03-12 12:00:00 | 4.8°N | 161.7°E | Nameless | 15 | 1000 | |
| 1993-03-13 06:00:00 | 7.4°N | 158.6°E | Tropical Storm | 23 | 1000 | |
| 1993-03-14 00:00:00 | 11.3°N | 154.4°E | Severe Tropical Storm | 28 | 990 | |
| 1993-03-14 18:00:00 | 12.5°N | 151.2°E | Severe Tropical Storm | 28 | 990 | |
| 1993-03-15 12:00:00 | 14.3°N | 149.5°E | Severe Tropical Storm | 28 | 990 | |
| 1993-03-16 06:00:00 | 16.5°N | 150.2°E | Severe Tropical Storm | 28 | 985 | |
| 1993-03-17 00:00:00 | 17.5°N | 151.4°E | Tropical Storm | 20 | 994 | |
| 1993-03-17 18:00:00 | 17.9°N | 152.2°E | Nameless | 15 | 1004 | |
| 1993-03-18 06:00:00 | 18.2°N | 152.6°E | Nameless | 12 | 1008 |
Sampled rows shown; all 54 track points are available on the interactive map or via the public API .
Typhoon Irma's international code is 199301, which is 1993's Typhoon No. 1, international name IRMA.
Typhoon Irma peak intensity is Severe Tropical Storm, max wind 28m/s, minimum central pressure 985 hPa.
According to records, Typhoon Irma is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Irma's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199301.
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