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Hurricane and Tropical Cyclones

Tropical Depression

Unnamed Tropical Depression

Storm Activity: Aug 18, 1987 - Aug 21, 1987

Peak Wind: 35 mph
Lowest Pressure: 1004 mb
Duration: 3 days
Last Position: 31.4 N 142.8 E

Storm Track

Aug 18 – Aug 21

Storm Category

Tropical Depression Peak < 39 mph
Tropical Storm 39-73 mph
Category 1 74-95 mph
Category 2 96-110 mph
Category 3 111-129 mph
Category 4 130-156 mph
Category 5 157+ mph

Intensity

Sustained wind at each observation

Peak wind: 35 mph
Peak category: Tropical Depression
Lowest pressure: 1,004 mb

Aug 21 · 00:00 GMT 20 mph 1,006 mb Extra-Tropical Low

39

74

111

157

Storm Track Statistics


Aug 21	00:00 GMT	31.4	142.8	20 mph	1,006 mb	Extra-Tropical Low	--
Aug 20	21:00 GMT	31.52	142.12	25 mph	1,006 mb	Tropical Depression	--
Aug 20	18:00 GMT	31.6	141.5	25 mph	1,006 mb	Tropical Depression	--
Aug 20	15:00 GMT	31.62	140.99	30 mph	1,005 mb	Tropical Depression	--
Aug 20	12:00 GMT	31.6	140.5	35 mph	1,004 mb	Tropical Depression	--
Aug 20	09:00 GMT	31.57	139.94	35 mph	1,004 mb	Tropical Depression	--
Aug 20	06:00 GMT	31.5	139.4	35 mph	1,004 mb	Tropical Depression	--
Aug 20	03:00 GMT	31.41	138.96	35 mph	1,004 mb	Tropical Depression	--
Aug 20	00:00 GMT	31.2	138.6	35 mph	1,004 mb	Tropical Depression	--
Aug 19	21:00 GMT	30.8	138.3	35 mph	1,004 mb	Tropical Depression	--
Aug 19	18:00 GMT	30.3	138	35 mph	1,004 mb	Tropical Depression	--
Aug 19	15:00 GMT	29.79	137.58	35 mph	1,004 mb	Tropical Depression	--
Aug 19	12:00 GMT	29.3	137.2	35 mph	1,004 mb	Tropical Depression	--
Aug 19	09:00 GMT	28.88	137.02	35 mph	1,004 mb	Tropical Depression	--
Aug 19	06:00 GMT	28.5	136.9	35 mph	1,004 mb	Tropical Depression	--
Aug 19	03:00 GMT	28.09	136.7	35 mph	1,004 mb	Tropical Depression	--
Aug 19	00:00 GMT	27.7	136.5	35 mph	1,004 mb	Tropical Depression	--
Aug 18	21:00 GMT	27.35	136.33	30 mph	1,005 mb	Tropical Depression	--
Aug 18	18:00 GMT	27	136.2	25 mph	1,006 mb	Tropical Depression	--
Aug 18	15:00 GMT	26.6	136.14	25 mph	1,006 mb	Tropical Depression	--
Aug 18	12:00 GMT	26.2	136.1	25 mph	1,006 mb	Tropical Depression	--
Aug 18	09:00 GMT	25.83	136.04	25 mph	1,007 mb	Tropical Depression	--
Aug 18	06:00 GMT	25.5	136	25 mph	1,008 mb	Tropical Depression	--
Aug 18	03:00 GMT	25.23	135.99	25 mph	1,008 mb	Tropical Depression	--
Aug 18	00:00 GMT	25	136	25 mph	1,008 mb	Tropical Depression	--

Learn more about Unnamed Tropical Depression and the 1987 Western Pacific hurricane season in our hurricane archive.

View All Hurricanes and Tropical Cyclones