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Hurricane and Tropical Cyclones

Tropical Storm

Tropical Storm Joan

Storm Activity: Aug 20, 1973 - Aug 21, 1973

Peak Wind: 45 mph
Lowest Pressure: 995 mb
Duration: 42 hours
Last Position: 23.6 N 118.8 E

Storm Track

Aug 20 – Aug 21

Storm Category

Tropical Depression < 39 mph
Tropical Storm Peak 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: 45 mph
Peak category: Tropical Storm
Lowest pressure: 995 mb

Aug 21 · 18:00 GMT 35 mph 1,002 mb Tropical Depression

Storm Track Statistics


Aug 21	18:00 GMT	23.6	118.8	35 mph	1,002 mb	Tropical Depression	--
Aug 21	15:00 GMT	23.7	118.9	35 mph	1,002 mb	Tropical Depression	--
Aug 21	12:00 GMT	23.8	119	35 mph	1,002 mb	Tropical Depression	--
Aug 21	09:00 GMT	23.9	119.11	40 mph	1,001 mb	Tropical Storm	--
Aug 21	06:00 GMT	24	119.2	45 mph	1,000 mb	Tropical Storm	--
Aug 21	03:00 GMT	24.08	119.25	45 mph	1,000 mb	Tropical Storm	--
Aug 21	00:00 GMT	24.2	119.3	45 mph	1,000 mb	Tropical Storm	--
Aug 20	21:00 GMT	24.46	119.35	45 mph	999 mb	Tropical Storm	--
Aug 20	18:00 GMT	24.7	119.5	45 mph	998 mb	Tropical Storm	--
Aug 20	15:00 GMT	24.82	119.93	45 mph	996 mb	Tropical Storm	--
Aug 20	12:00 GMT	24.8	120.3	45 mph	995 mb	Tropical Storm	--
Aug 20	09:00 GMT	24.66	120.27	45 mph	995 mb	Tropical Storm	--
Aug 20	06:00 GMT	24.4	120.1	45 mph	995 mb	Tropical Storm	--
Aug 20	03:00 GMT	24.07	120.02	45 mph	995 mb	Tropical Storm	--
Aug 20	00:00 GMT	23.7	120	45 mph	995 mb	Tropical Storm	--

Learn more about Tropical Storm Joan and the 1973 Western Pacific hurricane season in our hurricane archive.

View All Hurricanes and Tropical Cyclones