The 1998 season

Cyclone Zuman (1998)

Cyclone Zuman reached Category 3 in the South Pacific between March 28, 1998 and April 10, 1998, with a lowest pressure of 955 mb, and made landfall.

Track and intensity

The whole track of Cyclone Zuman, colored by strength, with the other storms of the 1998 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 28, 1998 to April 10, 1998
Peak strength
Category 3, 100 kt (115 mph)
Lowest pressure
955 mb (28.20 inHg)
Landfall
Yes
Accumulated cyclone energy
15.2
Identifier
SH311998

Deaths and damage

No source this site reads carries a casualty or damage figure for this storm.

Track

Time (UTC)PositionWindPressureStatus
Mar 28, 06:0014.9S 172.2E20 ktTropical storm
Mar 28, 12:0014.5S 172.0E25 ktTropical storm
Mar 28, 18:0014.0S 171.6E25 ktTropical storm
Mar 29, 00:0013.6S 171.5E25 ktTropical storm
Mar 29, 06:0013.5S 171.7E25 ktTropical storm
Mar 29, 12:0013.7S 171.8E30 ktTropical storm
Mar 29, 18:0014.0S 171.3E30 ktTropical storm
Mar 30, 00:0014.0S 170.7E35 kt998 mbTropical storm
Mar 30, 06:0014.0S 170.3E40 kt996 mbTropical storm
Mar 30, 12:0014.0S 169.7E45 kt990 mbTropical storm
Mar 30, 18:0014.0S 169.0E55 kt987 mbTropical storm
Mar 31, 00:0014.0S 168.4E65 kt980 mbTropical storm
Mar 31, 06:0014.1S 167.9E70 kt975 mbTropical storm
Mar 31, 12:0014.3S 167.4E80 kt970 mbTropical storm
Mar 31, 18:0014.8S 166.9E100 kt960 mbTropical storm
Apr 1, 00:0015.3S 166.3E100 kt955 mbTropical storm
Apr 1, 06:0015.5S 166.0E95 kt955 mbTropical storm
Apr 1, 12:0015.6S 165.7E90 kt955 mbTropical storm
Apr 1, 18:0015.7S 165.1E90 kt955 mbTropical storm
Apr 2, 00:0015.7S 164.2E90 kt955 mbTropical storm
Apr 2, 06:0015.7S 163.6E85 kt955 mbTropical storm
Apr 2, 12:0015.6S 163.0E85 kt955 mbTropical storm
Apr 2, 18:0015.5S 162.6E85 kt960 mbTropical storm
Apr 3, 00:0015.5S 162.2E85 kt960 mbTropical storm
Apr 3, 06:0015.7S 161.9E80 kt965 mbTropical storm
Apr 3, 12:0015.9S 161.7E80 kt965 mbTropical storm
Apr 3, 18:0016.2S 161.6E75 kt975 mbTropical storm
Apr 4, 00:0016.8S 161.7E65 kt980 mbTropical storm
Apr 4, 06:0017.3S 162.1E55 kt985 mbTropical storm
Apr 4, 12:0017.8S 162.6E55 kt987 mbTropical storm
Apr 4, 18:0018.6S 163.3E50 kt985 mbTropical storm
Apr 5, 00:0019.3S 164.0E50 kt985 mbTropical storm
Apr 5, 06:0020.1S 164.9E45 kt987 mbTropical storm
Apr 5, 12:0020.9S 165.9E45 kt987 mbTropical storm
Apr 5, 18:0021.6S 167.0E45 kt990 mbTropical storm
Apr 6, 00:0022.7S 168.5E45 kt995 mbTropical storm
Apr 6, 06:0024.1S 170.0E45 kt1000 mbTropical storm
Apr 6, 12:0027.5S 171.0E25 kt1002 mbNot reported
Apr 6, 18:0028.5S 171.0E25 kt1002 mbNot reported
Apr 7, 00:0029.0S 171.0E25 kt1003 mbNot reported
Apr 7, 06:0029.3S 171.5E25 kt1002 mbNot reported
Apr 7, 12:0029.5S 172.0E25 kt1002 mbNot reported
Apr 7, 18:0029.7S 172.3E25 kt1001 mbNot reported
Apr 8, 00:0030.5S 172.9E25 kt1000 mbNot reported
Apr 8, 06:0031.2S 173.5E25 kt1003 mbNot reported
Apr 8, 12:0031.9S 174.2E25 kt1003 mbNot reported
Apr 8, 18:0032.5S 175.0E25 kt1003 mbNot reported
Apr 9, 00:0034.0S 176.5E25 kt1003 mbNot reported
Apr 9, 06:0036.5S 178.0E30 kt998 mbNot reported
Apr 9, 12:0039.5S 179.5E30 kt997 mbNot reported
Apr 9, 18:0043.5S 183.0E30 kt996 mbNot reported
Apr 10, 00:0046.0S 186.0E35 kt993 mbNot reported
Apr 10, 06:0047.0S 191.0E35 kt992 mbNot reported

Other South Pacific storms of 1998

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.