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SOUTH PACIFIC · 2010 SEASON

Cyclone Ului (2010)

Recorded track and intensity · 10 Mar 2010–22 Mar 2010

PEAK INTENSITYCategory 5
THE COMPLETE TRACKOpen in the explorer
ULUI: complete recorded track, 10 Mar 2010–22 Mar 2010Recorded track from 10 Mar 2010 to 22 Mar 2010. Colors show the recorded wind category. The highlighted position follows the replay controls.NEW CALEDONIA11 Mar, 00:00 UTC12 Mar, 00:00 UTC13 Mar, 00:00 UTC14 Mar, 00:00 UTC15 Mar, 00:00 UTC16 Mar, 00:00 UTC17 Mar, 00:00 UTC18 Mar, 00:00 UTC19 Mar, 00:00 UTC20 Mar, 00:00 UTC21 Mar, 00:00 UTC22 Mar, 00:00 UTCPeak · Category 510 MAR22 MAR

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DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5Post-tropical
All times UTC

Wind speed & pressure

14 Mar, 00:00 UTC
Wind speed 140 ktPressure 918 hPa
0900809601601020kthPa10 Mar14 Mar18 Mar22 Mar

Forward speed & ACE

14 Mar, 00:00 UTC
Forward speed 6 ktCumulative ACE 6.98 10⁴ kt²
001017.52035kt10⁴ kt²10 Mar14 Mar18 Mar22 Mar

Hover or tap either graph to follow the track. The slider controls both graphs. Each line uses its matching colored axis.

Forward speed measures the center’s motion. ACE accumulates squared one-minute winds at 00, 06, 12 and 18 UTC during tropical or subtropical stages at 34 kt or above. Missing measurements remain gaps.

Maximum sustained wind140 kt

161 mph / 259 km/h

Minimum recorded pressure918 hPa

14 Mar 2010 · tropical stage

Recorded track duration11.5 days

Full archive record, including non-tropical stages if present

Approximate track distance3,380 km

Along the recorded center positions

STORM HISTORY

Track and intensity summary

Ului is listed in the South Pacific basin for the 2010 season. Its archived track begins on 10 Mar 2010, 12:00 UTC at 14.6°S, 168°E. The first observation lists sustained winds of 20 knots. These dates describe the available observations, which may include stages before and after the tropical cyclone phase.

The first Category 5 observation appears on 14 Mar 2010, 00:00 UTC. The highest recorded tropical-stage one-minute sustained wind is 140 knots (161 mph / 259 km/h), first recorded on 14 Mar 2010, 00:00 UTC at 12.7°S, 161.7°E. The minimum recorded tropical-stage central pressure is 918 hPa on 14 Mar 2010, 00:00 UTC.

The full record spans 276 hours and approximately 3,380 kilometers along the recorded center positions. The last recorded position is 21.9°S, 141.8°E on 22 Mar 2010, 00:00 UTC. The final tropical-stage observation is earlier, on 21 Mar 2010, 21:00 UTC.

This summary is calculated from the NOAA IBTrACS archive. Category 5 describes the storm’s peak recorded wind intensity, not its intensity at landfall or the severity of impacts at any location. Landfall times, damage and casualties have not been independently reviewed for this page.

METHODOLOGY

Data sources and limitations

The map and summary are generated from NOAA’s IBTrACS v04r01 archive. Wind and category use US-agency records; minimum pressure is calculated during the tropical stage, with the archive’s pressure source retained. Category 5 refers to the Saffir–Simpson one-minute wind scale; local agencies may use different classifications. Coastlines use Natural Earth’s 1:10m land data.

Track distance adds great-circle distances between consecutive observations, excluding gaps over 12 hours. This track has no gaps over 12 hours. The line shows the storm’s center, not its size, rainfall or flood extent. Converted wind speeds are rounded to the nearest whole unit.

Archive retrieved

NOAA IBTrACS archive · Field documentation

Sources & methodology

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