Typhoon Mary (197718) Track Archive

1977 Typhoon Past typhoons named Mary Typhoon archive

[Quick Archive Overview]Typhoon Mary (No. 197718, the historical numbering used before 1981) was a 1977 Northwest Pacific typhoon. It peaked as a severe typhoon, with maximum winds of 50 m/s and a minimum central pressure of 945 hPa. It did not make landfall in China and was numbered off on 1978-01-03. A total of 58 track points were recorded throughout its lifetime.

Numbering note: The JMA in Japan, the designated regional specialized meteorological center for East Asia, has assigned uniform international numbers in the Northwest Pacific since 1981. This system did not exist in 1977. The number 197718 is the historical sequence number retained by the CMA. In that year, the numbers assigned to the same typhoon by the JMA in Japan, the Joint Typhoon Warning Center in the United States, and China’s meteorological agencies may differ and cannot be compared directly.
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.

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Typhoon Mary Route Analysis

Track and Movement Characteristics

Typhoon Mary (197718) 的生命史跨越了1977年末至1978年初, 整体呈现显著的W行Trend. formed初期 (12月20日至22日) , 系统在赤道附近低纬度海域 (约10°N) 缓慢 toward WMoving, 经度从179.3°E移至175.3°E. 随后, 系统Go to 快速增强期, 路径略微N抬至13°N附近, 并在12月25日达到最N端纬度后出现轻微S折. 12月26日至28日期间, Typhoon 中心纬度降至8.9°N, 随后再次N抬并维持稳定的WNW路径, 横穿Philippines以E洋面. 整个过程中, Typhoon 未发生大规模转 toward 或Landfall行为, 始终在开阔洋面上活动, 最终 at 1978年1月3日在123°E附近减弱消散. 这种长About 离, 少曲折的W行路径, 反映了当时副热带高压S侧引导气流的稳定性.

Intensity evolution and historical comparison

Mary’s intensity followed a typical pattern of intensification, peak intensity, and fluctuating weakening. It began as a tropical depression with winds of 15 m/s. Within just three days from December 23 to 25, its central pressure plummeted from 980 hPa to a minimum of 945 hPa, while maximum winds surged to 50 m/s, establishing it as a severe typhoon. However, the peak phase was brief. From December 26, its intensity declined rapidly as pressure rose above 970 hPa. Notably, during the latter stage of its lifetime on December 29–30, the system briefly showed signs of secondary intensification, with winds increasing to 30 m/s and pressure falling to 983 hPa. It failed to regain its earlier peak intensity and ultimately weakened into a tropical depression.

Compared with earlier typhoons of the same name, Mary’s peak intensity in 1977, at 945 hPa, lay between Mary in 1960 at 970 hPa and Mary in 1965 at 940 hPa, and was weaker than Mary in 1968 at 924 hPa and Mary in 1974 at 964 hPa. Although its minimum pressure was higher than the values recorded by Mary in 1974 and 1960, its extreme intensity was slightly below the super typhoon levels of Mary in 1968 and 1965, making it a moderately strong severe typhoon.

Typhoon Mary routes

Time	Position	Intensity	Wind · Pressure	Move toward
12-20 14:00	10.1°N 179.3°E	Tropical Depression	15 m/s 1000 hPa	-
12-21 08:00	9.9°N 178.7°E	Tropical Storm	20 m/s 995 hPa	WSW
12-22 02:00	9.7°N 177.6°E	Tropical Storm	20 m/s 993 hPa	W
12-22 20:00	10.3°N 174.3°E	Severe Tropical Storm	25 m/s 988 hPa	WNW
12-23 14:00	11.7°N 171.7°E	Typhoon	35 m/s 980 hPa	WNW
12-24 08:00	12.6°N 170°E	Typhoon	40 m/s 968 hPa	WSW
12-25 02:00	12.7°N 168.9°E	Typhoon	40 m/s 960 hPa	SSW
12-25 20:00	11.3°N 168.7°E	Severe Typhoon	50 m/s 945 hPa	WSW
12-26 14:00	10°N 166.2°E	Typhoon	35 m/s 970 hPa	WSW
12-27 08:00	9.1°N 161.2°E	Severe Tropical Storm	30 m/s 985 hPa	W
12-28 02:00	8.8°N 155.4°E	Severe Tropical Storm	25 m/s 990 hPa	W
12-28 20:00	10.8°N 150.4°E	Tropical Storm	20 m/s 996 hPa	WNW
12-29 14:00	11.2°N 147.1°E	Severe Tropical Storm	30 m/s 984 hPa	W
12-30 08:00	10.6°N 142.7°E	Severe Tropical Storm	30 m/s 977 hPa	WSW
12-31 02:00	10.2°N 139°E	Severe Tropical Storm	25 m/s 990 hPa	W
12-31 20:00	8.8°N 135°E	Tropical Storm	20 m/s 998 hPa	WSW
01-01 14:00	10°N 130.5°E	Tropical Storm	20 m/s 996 hPa	WNW
01-02 08:00	10°N 126.4°E	Tropical Storm	20 m/s 995 hPa	NW
01-03 02:00	10.9°N 124.6°E	Tropical Storm	20 m/s 997 hPa	WNW
01-03 20:00	11.6°N 123°E	Tropical Depression	12 m/s 1004 hPa	NW

Sampled rows shown; all 58 track points are available on the interactive map or via the public API .

FAQ

Typhoon Mary is the 1977 Typhoon.

The number 197718 is the historical sequence number retained by the CMA for Typhoon Mary, the 18th typhoon of 1977. Its international name was MARY. Uniform international numbering for the Northwest Pacific did not begin until 1981; before then, JMA in Japan, the Joint Typhoon Warning Center in the United States, and China’s meteorological agencies each assigned numbers that may differ and therefore cannot be compared directly.

Where does the track data for Typhoon Mary come from?

Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.

What is the highest level of Typhoon Mary?

Typhoon Mary peak intensity is Severe Typhoon, max wind 50m/s, minimum central pressure 945 hPa.

Typhoon Mary Landfall?

According to records, Typhoon Mary is not in our coastal landfall.

Where can I view typhoon Mary's live track map?

TyphoonSays (taifengshuo.com) provides typhoon Mary's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197718.

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