TROPICAL STORM KETSANA [ONDOY/17W/0916]

KETSANA (ONDOY) MAX WIND SPEED PER AGENCY:

+ USA (JTWC/1-min avg): 100 km/hr
+ Korea (KMA/10-min avg): 90 km/hr
+ Hong Kong (HKO/10-min avg): 95 km/hr
+ Japan (JMA/10-min avg): 95 km/hr
+ Taiwan (CWB/10-min avg): 85 km/hr
+ Beijing (NMC/2-min avg): 75 km/hr

TROPICAL STORM KETSANA [ONDOY/17W/0916]
T2K PUBLIC ADVISORY NUMBER 022 [FINAL]
8:00 PM PST (12:00 GMT)
Tue 29 September 2009
Source: T2K ANALYSIS / JTWC WARNING #019
# View: Advisory Archives (2004-2009)

KETSANA (ONDOY) weakened into a Tropical Storm after it made landfall over Vietnam...dissipation of this system expected..

*This is the Final Advisory on this system.

*Kindly refer to your local warnings & bulletins issued by your country's official weather agency. This advisory is intended for additional information purposes only.

+ Forecast Outlook: KETSANA is expected to dissipate overland across Laos.

+ Effects: KETSANA's circulation remained inland...expected to dump rains across Laos and Vietnam w/ tropical storm force winds and dissipate. 1-day rainfall accumulations of 75 up to 250 mm (moderate to very heavy rain) can be expected along KETSANA's rainbands...with isolated accumulations of up to 400 mm (extreme rain) near the center of the storm...or along mountain slopes. Residents in low-lying areas & steep slopes must remain alert & seek evacuation for possible life-threatening flash floods, mudslides & landslides due to the anticipated heavy rains brought about by this system. Precautionary measures must be initiated if necessary.

[Important Note: Please keep in mind that the above forecast outlook, effects, current monsoon intensity, & tropical cyclone watch changes every 6 to 12 hrs!]

Time/Date: 8:00 PM PST Tue September 29 2009
Location of Center: 15.4º N Lat 107.8º E Lon
Distance 1: 80 km (43 nm) SW of Da Nang, Vietnam
Distance 2: 125 km (68 nm) South of Hue, Vietnam
MaxWinds (1-min avg): 100 kph (55 kts) near the center
Peak Wind Gusts: 130 kph (70 kts)
Saffir-Simpson Scale: Tropical Storm
Coastal Storm Surge Height: 1-3 feet [0.3-0.9 m]
Central Pressure: 984 millibars (hPa)
Recent Movement: West @ 20 kph (11 kts)
General Direction: Laos
Size (in Diameter): 1,480 km (800 nm) / Very Large
Max Sea Wave Height (near center): N/A
Wunder TrackMap (for Public): 8 PM PST Tue Sep 29
JTWC Ship Avoidance TrackMap: 12 GMT Tue Sep 29
Multi-Agency Forecast TrackMap: 12 AM Wed Sep 30
TSR Wind Probabilities: Current to 1-day Ahead
Zoomed Satellite Pic: Near Real-Time
Wunderground Animation: 6-12 hr. GIF Loop