The SummaryTyphoon Sarah (international code 197703) is a 1977 Northwest Pacific typhoon; peak intensity Typhoon, max wind 38m/s, minimum central pressure 970hPa, not in China Landfall, 1977-07-21 was numbered off, recording 21 track points.
Typhoon Sarah, international code 197703, international name SARAH, 1977 Northwest Pacific typhoon. Formed: 1977-07-16 12:00:00, ended: 1977-07-21 12:00:00. Peak intensity: Typhoon , minimum central pressure: 970 hPa, max wind: 38m/s.
Typhoon Sarah at 1977-07-16 12:00:00 at 10.5°N, 128.1°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Typhoon intensity with max winds of 38 m/s (~137 km/h) and a minimum central pressure of 970hPa, recorded at 1977-07-20 00:00:00.
1977-07-21 12:00:00 After, Typhoon Sarah gradually weakened and was numbered off on 1977-07-21 12:00:00 was numbered off; its lifecycle recorded 21 track points.
In 1977, the 3rd Typhoon “Sarah” formed at the Northwest Pacific surface, its life history lasted about 5 days. From the path coordinate sequence analysis, the Typhoon overall presented a stable NW toward MovingTrend, no apparent path turn or stagnation phenomenon. In the initial phase (July 16-17), the system position at the Philippines at the E surface, from Nameless rapidly evolved to Tropical Storm, along the latitude changes showed its faster toward WN direction across the sea near the Strait of the Bus. After Go to S Sea (July 18-19), the Moving direction slightly adjusted to right W toward, the latitude increase slowed significantly, indicating that the guiding flow is mainly a sub-tropical high-pressure side of the E stream. In the
“Sarah”的Intensity演变呈现出典型的“快速增强-巅峰维持-迅速减弱”特征. 系统在7月16日12时为Nameless (15m/s) , 仅用不到两天Time, at 7月19日18时 intensified into Typhoon 级别 (35m/s) . peak intensity出现在7月20日00时至06时, max wind 达到38m/s, Pressure数据缺失但依据wind speed判定为Typhoon 级. 值得注意的是, 其在Typhoon Intensity维持Time较短, 约18h后便开始减弱, 至7月21日12时已降格为Nameless (17m/s) , 显示出后期受陆地摩擦或干空气侵入影响较大.
Compared with the same name History, 1977 Sarah's Intensity is at medium level. compared at 1989's 21st Typhoon 'Sarah' (top Super Typhoon) and 1986's 11th Typhoon 'Sarah' (top Severe Tropical Storm), 1977's Sarah's peak intensity (38m/s) weak at 1989's system, but strong at 1983's (Tropical Storm) and 1979's (Tropical Storm) the same name Typhoon.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1977-07-16 12:00:00 | 10.5°N | 128.1°E | Nameless | 15 | 1000 | |
| 1977-07-16 18:00:00 | 11.4°N | 126.5°E | Nameless | 17 | 1000 | |
| 1977-07-17 00:00:00 | 12.2°N | 125.2°E | Tropical Storm | 20 | 996 | |
| 1977-07-17 06:00:00 | 12.8°N | 124.2°E | Tropical Storm | 20 | 996 | |
| 1977-07-17 12:00:00 | 13.4°N | 123.2°E | Tropical Storm | 20 | 990 | |
| 1977-07-17 18:00:00 | 14.4°N | 122°E | Tropical Storm | 20 | 990 | |
| 1977-07-18 00:00:00 | 15.3°N | 120.8°E | Tropical Storm | 20 | 990 | |
| 1977-07-18 06:00:00 | 15.6°N | 119.6°E | Tropical Storm | 23 | 990 | |
| 1977-07-18 12:00:00 | 15.9°N | 118.3°E | Severe Tropical Storm | 25 | 990 | |
| 1977-07-18 18:00:00 | 16.5°N | 116.9°E | Severe Tropical Storm | 25 | 990 | |
| 1977-07-19 00:00:00 | 17.1°N | 115.5°E | Severe Tropical Storm | 25 | 985 | |
| 1977-07-19 06:00:00 | 17.2°N | 114.1°E | Severe Tropical Storm | 28 | 985 | |
| 1977-07-19 12:00:00 | 17.2°N | 113°E | Severe Tropical Storm | 30 | 985 | |
| 1977-07-19 18:00:00 | 17.4°N | 112.4°E | Typhoon | 35 | 980 | |
| 1977-07-20 00:00:00 | 17.7°N | 111.9°E | Typhoon | 38 | 975 | |
| 1977-07-20 06:00:00 | 18.5°N | 111.2°E | Typhoon | 38 | 970 | |
| 1977-07-20 12:00:00 | 19.3°N | 110.5°E | Typhoon | 35 | 970 | |
| 1977-07-20 18:00:00 | 19.7°N | 109.6°E | Typhoon | 35 | 975 | |
| 1977-07-21 00:00:00 | 20.2°N | 108.5°E | Typhoon | 33 | 980 | |
| 1977-07-21 06:00:00 | 20.7°N | 107.2°E | Severe Tropical Storm | 28 | 980 | |
| 1977-07-21 12:00:00 | 21.3°N | 105.7°E | Nameless | 17 | 990 |
The international code for Typhoon Sarah is 197703, which is the 3rd Typhoon of 1977, the international name SARAH.
Typhoon Sarah peak intensity is Typhoon , max wind 38m/s, minimum central pressure 970 hPa.
According to records, Typhoon Sarah is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Sarah's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197703.
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