The 1951 season

Typhoon Thelma (1951)

Typhoon Thelma reached Category 4 in the Western Pacific between October 26, 1951 and November 2, 1951, with a lowest pressure of 950 mb.

Radar

Reflectivity now over Typhoon Thelma. Open it to see storms, cones and warnings on the map.

Open the live radar with storms, cones and warnings

Radar mosaic and map layers from NOAA MRMS. Boundaries from the Iowa Environmental Mesonet.

The storm

Basin
Western Pacific
Dates
October 26, 1951 to November 2, 1951
Peak strength
Category 4, 125 kt (144 mph)
Lowest pressure
950 mb (28.05 inHg)
Landfall
No; closest approach 483 km (300 mi)
Accumulated cyclone energy
18.1
Identifier
WP131951

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
Oct 26, 12:0013.1N 154.5E60 ktTropical storm
Oct 26, 18:0013.8N 152.5E70 ktTropical storm
Oct 27, 00:0014.0N 151.0E80 ktTropical storm
Oct 27, 06:0014.4N 149.1E90 kt980 mbTropical storm
Oct 27, 12:0014.9N 147.3E90 kt980 mbTropical storm
Oct 27, 18:0015.7N 145.0E90 kt980 mbTropical storm
Oct 28, 00:0016.5N 143.2E90 kt975 mbTropical storm
Oct 28, 06:0017.4N 141.1E100 kt960 mbTropical storm
Oct 28, 12:0018.5N 139.8E110 kt960 mbTropical storm
Oct 28, 18:0020.0N 138.0E120 kt960 mbTropical storm
Oct 29, 00:0021.5N 137.0E125 kt950 mbTropical storm
Oct 29, 06:0023.2N 136.4E125 kt950 mbTropical storm
Oct 29, 12:0025.2N 136.8E120 kt950 mbTropical storm
Oct 29, 18:0027.0N 137.8E120 kt950 mbTropical storm
Oct 30, 00:0028.3N 138.9E120 kt955 mbTropical storm
Oct 30, 06:0030.3N 141.4E80 kt960 mbTropical storm
Oct 30, 12:0032.0N 144.3E70 kt960 mbTropical storm
Oct 30, 18:0033.1N 147.7E60 kt960 mbTropical storm
Oct 31, 00:0034.0N 151.0E50 kt970 mbTropical storm
Oct 31, 06:0035.0N 155.0E45 kt970 mbTropical storm
Oct 31, 12:0035.8N 158.6E40 kt980 mbMixed
Oct 31, 18:0036.8N 161.9E35 kt980 mbMixed
Nov 1, 00:0038.0N 165.0E30 kt980 mbMixed
Nov 1, 06:0038.0N 173.2E990 mbMixed
Nov 1, 12:0038.0N 176.6E990 mbMixed
Nov 1, 18:0038.0N 180.0E990 mbMixed
Nov 2, 00:0038.0N 184.0ETropical storm

Other Western Pacific storms of 1951

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.