The 2003 season

Unnamed tropical depression (2003)

Unnamed tropical depression peaked at 30 kt in the Western Pacific between May 17, 2003 and May 22, 2003, with a lowest pressure of 1000 mb.

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
Western Pacific
Dates
May 17, 2003 to May 22, 2003
Peak strength
Tropical Depression, 30 kt (35 mph)
Lowest pressure
1000 mb (29.53 inHg)
Landfall
No; closest approach 286 km (178 mi)
Accumulated cyclone energy
0.0
Identifier
WP032003

Deaths and damage

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

Track

Time (UTC)PositionWindPressureStatus
May 17, 00:007.3N 130.7E25 kt1002 mbTropical depression
May 17, 06:007.5N 130.7E25 kt1002 mbTropical depression
May 17, 12:007.7N 130.6E25 kt1002 mbTropical depression
May 17, 18:007.8N 130.4E25 kt1002 mbTropical depression
May 18, 00:007.8N 130.2E25 kt1002 mbTropical depression
May 18, 06:007.9N 130.0E30 kt1000 mbTropical depression
May 18, 12:008.1N 130.0E30 kt1000 mbTropical depression
May 18, 18:008.6N 130.4E30 kt1000 mbTropical depression
May 19, 00:009.1N 130.9E30 kt1000 mbTropical depression
May 19, 06:009.6N 131.2E30 kt1000 mbTropical depression
May 19, 12:0010.2N 131.3E30 kt1000 mbTropical depression
May 19, 18:0010.8N 131.1E30 kt1000 mbTropical depression
May 20, 00:0011.6N 131.0E30 kt1000 mbTropical depression
May 20, 06:0012.6N 130.8E25 kt1002 mbTropical depression
May 20, 12:0013.5N 130.4E25 kt1002 mbTropical depression
May 20, 18:0014.3N 129.6ETropical storm
May 21, 00:0014.3N 129.5ETropical storm
May 21, 06:0014.1N 129.3ETropical storm
May 21, 12:0014.2N 129.3ETropical storm
May 21, 18:0014.5N 129.5ETropical storm
May 22, 00:0014.8N 129.9ETropical storm

Other Western Pacific storms of 2003

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.