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WESTERN PACIFIC · 2009 SEASON

Typhoon Melor (2009)

Recorded track and intensity · 28 Sept 2009–11 Oct 2009

PEAK INTENSITYCategory 5
THE COMPLETE TRACKOpen in the explorer
MELOR: complete recorded track, 28 Sept 2009–11 Oct 2009Recorded track from 28 Sept 2009 to 11 Oct 2009. Colors show the recorded wind category. The highlighted position follows the replay controls.ASIAPHILIPPINESTAIWANPacific Ocean29 Sep, 00:00 UTC30 Sep, 00:00 UTC1 Oct, 00:00 UTC2 Oct, 00:00 UTC3 Oct, 00:00 UTC4 Oct, 00:00 UTC5 Oct, 00:00 UTC6 Oct, 00:00 UTC7 Oct, 00:00 UTC8 Oct, 00:00 UTC9 Oct, 00:00 UTC10 Oct, 00:00 UTC11 Oct, 00:00 UTCPeak · Category 528 SEP11 OCT

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

Wind speed & pressure

4 Oct, 06:00 UTC
Wind speed 150 ktPressure 911 hPa
0900809601601020kthPa28 Sep2 Oct6 Oct11 Oct

Forward speed & ACE

4 Oct, 06:00 UTC
Forward speed 15 ktCumulative ACE 20.80 10⁴ kt²
002022.54045kt10⁴ kt²28 Sep2 Oct6 Oct11 Oct

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 wind150 kt

173 mph / 278 km/h

Minimum recorded pressure911 hPa

4 Oct 2009 · tropical stage

Recorded track duration12.5 days

Full archive record, including non-tropical stages if present

Approximate track distance9,190 km

Along the recorded center positions

STORM HISTORY

Track and intensity summary

Melor is listed in the Western Pacific basin for the 2009 season. Its archived track begins on 28 Sept 2009, 12:00 UTC at 7.3°N, 163.8°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 3 Oct 2009, 21:00 UTC. The highest recorded tropical-stage one-minute sustained wind is 150 knots (173 mph / 278 km/h), first recorded on 4 Oct 2009, 06:00 UTC at 17°N, 140.9°E. The minimum recorded tropical-stage central pressure is 911 hPa on 4 Oct 2009, 06:00 UTC.

The full record spans 300 hours and approximately 9,190 kilometers along the recorded center positions. The last recorded position is 47.2°N, 177.1°E on 11 Oct 2009, 00:00 UTC. The final tropical-stage observation is earlier, on 8 Oct 2009, 03:00 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

Browse all Category 5 storm pages