Typhoon Ketsana (2009)
Typhoon Ketsana reached Category 2 in the Western Pacific between September 25, 2009 and September 30, 2009, with a lowest pressure of 955 mb, and made landfall.
Track and intensity
The whole track of Typhoon Ketsana, colored by strength, with the other storms of the 2009 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.
The storm
- Basin
- Western Pacific
- Dates
- September 25, 2009 to September 30, 2009
- Peak strength
- Category 2, 90 kt (104 mph)
- Lowest pressure
- 955 mb (28.20 inHg)
- Landfall
- Yes
- Accumulated cyclone energy
- 6.5
- Tropical-storm-force wind reached
- 155 nmi (287 km, 178 mi) from the center at its widest
- Hurricane-force wind reached
- 40 nmi (74 km, 46 mi) from the center at its widest
- Eyewall radius at its peak
- 15 nmi (28 km, 17 mi)
- Overall size
- 465 nmi (861 km, 535 mi) to the outermost closed isobar
- Fastest the center moved
- 16 kt (18 mph)
- Identifier
- WP172009
Deaths and damage
No source this site reads carries a casualty or damage figure for this storm.
Track
| Time (UTC) | Position | Wind | Pressure | Status |
|---|---|---|---|---|
| Sep 25, 00:00 | 14.3N 128.8E | 15 kt | 1010 mb | Disturbance |
| Sep 25, 06:00 | 14.2N 127.4E | 20 kt | 1007 mb | Tropical depression |
| Sep 25, 12:00 | 15.2N 125.8E | 20 kt | 1007 mb | Disturbance |
| Sep 25, 18:00 | 15.7N 124.3E | 30 kt | 1000 mb | Tropical depression |
| Sep 26, 00:00 | 15.6N 122.8E | 35 kt | 996 mb | Tropical storm |
| Sep 26, 06:00 | 15.6N 121.3E | 35 kt | 996 mb | Tropical storm |
| Sep 26, 12:00 | 15.7N 119.6E | 35 kt | 996 mb | Tropical storm |
| Sep 26, 18:00 | 15.4N 117.9E | 45 kt | 989 mb | Tropical storm |
| Sep 27, 00:00 | 15.2N 116.5E | 50 kt | 985 mb | Tropical storm |
| Sep 27, 06:00 | 15.4N 115.4E | 55 kt | 982 mb | Tropical storm |
| Sep 27, 12:00 | 15.6N 114.4E | 55 kt | 982 mb | Tropical storm |
| Sep 27, 18:00 | 15.7N 113.5E | 60 kt | 978 mb | Tropical storm |
| Sep 28, 00:00 | 15.8N 112.7E | 65 kt | 974 mb | Typhoon |
| Sep 28, 06:00 | 15.9N 111.9E | 80 kt | 963 mb | Typhoon |
| Sep 28, 12:00 | 15.9N 111.2E | 90 kt | 956 mb | Typhoon |
| Sep 28, 18:00 | 15.8N 110.5E | 90 kt | 956 mb | Typhoon |
| Sep 29, 00:00 | 15.6N 109.8E | 90 kt | 955 mb | Typhoon |
| Sep 29, 06:00 | 15.4N 108.9E | 90 kt | 956 mb | Typhoon |
| Sep 29, 12:00 | 15.1N 108.1E | 50 kt | 985 mb | Tropical storm |
| Sep 29, 18:00 | 14.8N 107.8E | 20 kt | 1007 mb | Disturbance |
| Sep 30, 00:00 | 15.4N 106.8E | 35 kt | 994 mb | Tropical storm |
| Sep 30, 06:00 | 15.4N 106.5E | 998 mb | Tropical storm | |
| Sep 30, 12:00 | 15.2N 105.7E | 1000 mb | Tropical storm | |
| Sep 30, 18:00 | 15.1N 105.0E | 1002 mb | Mixed |
Other Western Pacific storms of 2009
- Typhoon KujiraWestern Pacific · 2009
- Typhoon Chan-HomWestern Pacific · 2009
- Typhoon LinfaWestern Pacific · 2009
- Tropical Storm NangkaWestern Pacific · 2009
- Tropical Storm SoudelorWestern Pacific · 2009
- Unnamed tropical depressionWestern Pacific · 2009
- Typhoon MolaveWestern Pacific · 2009
- Tropical Storm GoniWestern Pacific · 2009
- Typhoon MorakotWestern Pacific · 2009
- Tropical Storm EtauWestern Pacific · 2009
- Typhoon VamcoWestern Pacific · 2009
- Typhoon KrovanhWestern Pacific · 2009
- Tropical Storm DujuanWestern Pacific · 2009
- Tropical Depression MujigaeWestern Pacific · 2009
- Typhoon KoppuWestern Pacific · 2009
- Super Typhoon Choi-WanWestern Pacific · 2009
- Unnamed tropical depressionWestern Pacific · 2009
- Super Typhoon ParmaWestern Pacific · 2009
- Super Typhoon MelorWestern Pacific · 2009
- Tropical Storm NepartakWestern Pacific · 2009
- Super Typhoon LupitWestern Pacific · 2009
- Unnamed tropical depressionWestern Pacific · 2009
- Typhoon MirinaeWestern Pacific · 2009
- Unnamed tropical depressionWestern Pacific · 2009
- Unnamed tropical stormWestern Pacific · 2009
- Unnamed tropical depressionWestern Pacific · 2009
- Super Typhoon NidaWestern Pacific · 2009
- Unnamed tropical depressionWestern Pacific · 2009
- Unnamed tropical stormWestern Pacific · 2009
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.