The 1957 season

Super Typhoon Agnes (1957)

Super Typhoon Agnes reached Category 4 in the Western Pacific between August 10, 1957 and August 24, 1957, with a lowest pressure of 905 mb, and made landfall.

Track and intensity

The whole track of Super Typhoon Agnes, colored by strength, with the other storms of the 1957 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.

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The storm

Basin
Western Pacific
Dates
August 10, 1957 to August 24, 1957
Peak strength
Category 4, 135 kt (155 mph)
Lowest pressure
905 mb (26.72 inHg)
Landfall
Yes
Accumulated cyclone energy
24.6
Identifier
WP071957

Deaths and damage

No source this site reads publishes a machine-readable casualty or damage figure for a storm of this era. The National Hurricane Center’s season tables begin in 1995 and carry deaths and damage only from 2005 in the Atlantic and 2020 in both basins; the US Storm Events record begins in 1996.

Track

Time (UTC)PositionWindPressureStatus
Aug 10, 12:007.5N 144.6ETropical storm
Aug 10, 18:007.6N 144.0ETropical storm
Aug 11, 00:007.8N 143.3ETropical storm
Aug 11, 06:007.9N 142.8ETropical storm
Aug 11, 12:008.2N 141.8E1006 mbTropical storm
Aug 11, 18:008.5N 140.8E1003 mbTropical storm
Aug 12, 00:008.7N 140.3E1006 mbTropical storm
Aug 12, 06:008.9N 139.5E1003 mbTropical storm
Aug 12, 12:009.2N 138.7E1004 mbTropical storm
Aug 12, 18:009.7N 137.5E30 kt1002 mbTropical storm
Aug 13, 00:0010.2N 136.7E30 kt1002 mbTropical storm
Aug 13, 06:0010.9N 135.9E35 kt1000 mbTropical storm
Aug 13, 12:0011.7N 135.4E40 kt1000 mbTropical storm
Aug 13, 18:0012.6N 135.0E40 kt1000 mbTropical storm
Aug 14, 00:0013.5N 135.2E40 kt998 mbTropical storm
Aug 14, 06:0014.5N 135.5E45 kt998 mbTropical storm
Aug 14, 12:0015.1N 135.3E50 kt996 mbTropical storm
Aug 14, 18:0015.7N 134.8E50 kt994 mbTropical storm
Aug 15, 00:0016.4N 134.7E60 kt990 mbTropical storm
Aug 15, 06:0017.0N 134.8E70 kt990 mbTropical storm
Aug 15, 12:0017.6N 135.3E75 kt990 mbTropical storm
Aug 15, 18:0018.3N 135.5E75 kt990 mbTropical storm
Aug 16, 00:0018.8N 135.5E80 kt980 mbTropical storm
Aug 16, 06:0019.5N 135.1E90 kt975 mbTropical storm
Aug 16, 12:0020.3N 133.8E90 kt970 mbTropical storm
Aug 16, 18:0020.7N 133.0E100 kt965 mbTropical storm
Aug 17, 00:0020.8N 132.5E100 kt960 mbTropical storm
Aug 17, 06:0021.0N 132.0E105 kt950 mbTropical storm
Aug 17, 12:0021.3N 131.6E110 kt930 mbTropical storm
Aug 17, 18:0021.9N 130.9E120 kt925 mbTropical storm
Aug 18, 00:0022.6N 130.2E130 kt905 mbTropical storm
Aug 18, 06:0023.3N 130.0E135 kt910 mbTropical storm
Aug 18, 12:0024.8N 129.9E130 kt910 mbTropical storm
Aug 18, 18:0026.2N 129.7E120 kt925 mbTropical storm
Aug 19, 00:0027.5N 128.9E115 kt930 mbTropical storm
Aug 19, 06:0028.4N 128.0E110 kt940 mbTropical storm
Aug 19, 12:0029.1N 127.3E100 kt940 mbTropical storm
Aug 19, 18:0030.4N 127.5E90 kt940 mbTropical storm
Aug 20, 00:0031.3N 127.7E70 kt940 mbTropical storm
Aug 20, 06:0031.8N 127.8E60 kt940 mbTropical storm
Aug 20, 12:0032.4N 127.8E60 kt940 mbTropical storm
Aug 20, 18:0032.6N 127.8E50 kt950 mbTropical storm
Aug 21, 00:0034.8N 128.0E45 kt965 mbTropical storm
Aug 21, 06:0037.3N 128.3E45 kt975 mbTropical storm
Aug 21, 12:0039.8N 128.8E45 kt975 mbTropical storm
Aug 21, 18:0042.0N 132.0E40 kt975 mbTropical storm
Aug 22, 00:0044.5N 134.0E35 kt980 mbTropical storm
Aug 22, 06:0047.0N 136.0E30 kt978 mbMixed
Aug 22, 12:0049.0N 138.5E25 kt976 mbMixed
Aug 22, 18:0050.6N 140.5E976 mbExtratropical
Aug 23, 00:0051.2N 141.5E976 mbExtratropical
Aug 23, 06:0051.7N 142.6E980 mbExtratropical
Aug 23, 12:0051.8N 144.2E980 mbExtratropical
Aug 23, 18:0052.0N 147.4E980 mbExtratropical
Aug 24, 00:0053.0N 150.0E992 mbExtratropical
Aug 24, 06:0053.0N 150.5E992 mbExtratropical
Aug 24, 12:0053.0N 151.0E996 mbExtratropical

Other Western Pacific storms of 1957

What this means

A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.

Sources

Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.