The 1985 season

Cyclone Hina (1985)

Cyclone Hina reached Category 4 in the South Pacific between March 11, 1985 and March 20, 1985, with a lowest pressure of 910 mb.

Track and intensity

The whole track of Cyclone Hina, colored by strength, with the other storms of the 1985 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
South Pacific
Dates
March 11, 1985 to March 20, 1985
Peak strength
Category 4, 135 kt (155 mph)
Lowest pressure
910 mb (26.87 inHg)
Landfall
No; closest approach 39 km (24 mi)
Accumulated cyclone energy
20.5
Identifier
SH301985

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
Mar 11, 00:0016.5S 174.7E30 kt997 mbNot reported
Mar 11, 06:0016.5S 174.0ENot reported
Mar 11, 12:0016.2S 172.9E30 kt997 mbTropical storm
Mar 11, 18:0015.8S 171.5ETropical storm
Mar 12, 00:0014.6S 170.4E25 kt997 mbXX
Mar 12, 06:0014.9S 169.1E25 ktXX
Mar 12, 12:0014.8S 167.9E30 kt997 mbXX
Mar 12, 18:0014.4S 166.9E35 ktXX
Mar 13, 00:0014.0S 166.1E40 kt990 mbXX
Mar 13, 06:0013.6S 165.5E45 ktXX
Mar 13, 12:0013.2S 165.0E50 kt987 mbXX
Mar 13, 18:0012.8S 164.6E55 ktXX
Mar 14, 00:0012.4S 164.6E60 kt985 mbXX
Mar 14, 06:0012.0S 165.2E70 ktXX
Mar 14, 12:0011.7S 165.9E80 kt975 mbXX
Mar 14, 18:0011.7S 166.6E90 ktXX
Mar 15, 00:0012.0S 167.3E100 kt965 mbXX
Mar 15, 06:0012.3S 168.2E110 ktXX
Mar 15, 12:0012.7S 169.4E120 kt930 mbXX
Mar 15, 18:0013.4S 170.8E125 ktXX
Mar 16, 00:0014.2S 172.3E130 kt920 mbXX
Mar 16, 06:0015.2S 173.7E135 ktXX
Mar 16, 12:0016.3S 175.0E135 kt910 mbXX
Mar 16, 18:0017.5S 176.2E125 ktXX
Mar 17, 00:0019.2S 177.3E110 kt920 mbXX
Mar 17, 06:0021.6S 178.3E100 ktXX
Mar 17, 12:0024.1S 179.3E90 kt930 mbXX
Mar 17, 18:0026.7S 179.7W80 ktXX
Mar 18, 00:0029.1S 178.7W70 kt955 mbXX
Mar 18, 06:0030.9S 177.3W60 ktXX
Mar 18, 12:0032.4S 175.5W50 kt975 mbXX
Mar 18, 18:0034.0S 173.6W40 ktXX
Mar 19, 00:0035.6S 171.6W35 kt990 mbXX
Mar 19, 06:0035.2S 190.9EXX
Mar 19, 12:0035.2S 192.8E30 kt997 mbNot reported
Mar 19, 18:0034.9S 194.6ENot reported
Mar 20, 00:0035.0S 197.0E30 kt997 mbNot reported
Mar 20, 06:0036.2S 200.6ENot reported
Mar 20, 12:0038.0S 205.0E30 kt997 mbNot reported

Other South Pacific storms of 1985

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.