The 1909 season

Unnamed tropical depression (1909)

Unnamed tropical depression peaked at unknown kt in the South Pacific between July 31, 1908 and August 4, 1908, and made landfall.

Radar

Reflectivity now over Unnamed tropical depression. 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
South Pacific
Dates
July 31, 1908 to August 4, 1908
Peak strength
Tropical Depression
Landfall
Yes
Accumulated cyclone energy
0.0
Identifier
1908214S30142

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
Jul 31, 12:0030.0S 142.3ENot reported
Jul 31, 18:0030.0S 142.2ENot reported
Aug 1, 00:0030.3S 142.4ENot reported
Aug 1, 06:0031.2S 143.1ENot reported
Aug 1, 12:0032.3S 144.0ENot reported
Aug 1, 18:0033.1S 144.9ENot reported
Aug 2, 00:0033.6S 146.0ENot reported
Aug 2, 06:0034.0S 147.4ENot reported
Aug 2, 12:0034.2S 148.9ENot reported
Aug 2, 18:0034.2S 150.5ENot reported
Aug 3, 00:0034.0S 152.2ENot reported
Aug 3, 06:0033.9S 154.0ENot reported
Aug 3, 12:0033.9S 155.9ENot reported
Aug 3, 18:0034.0S 157.8ENot reported
Aug 4, 00:0034.2S 159.8ENot reported

Other South Pacific storms of 1909

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.