TROPICAL STORM KOPPU [NANDO/16W/0915]

KOPPU (NANDO) MAX WIND SPEED PER AGENCY:

+ Hong Kong (HKO/10-min avg): 110 km/hr
+ USA (JTWC/1-min avg): 110 km/hr
+ Beijing (NMC/2-min avg): 125 km/hr
+ Taiwan (CWB/10-min avg): 105 km/hr
+ Japan (JMA/10-min avg): 100 km/hr
+ Korea (KMA/10-min avg): 100 km/hr

TROPICAL STORM KOPPU [NANDO/16W/0915]
T2K PUBLIC ADVISORY NUMBER 009
2:00 PM PST (06:00 GMT) Tue 15 September 2009
Source: T2K ANALYSIS / JTWC WARNING #009
# View: Advisory Archives (2004-2009)

KOPPU (NANDO) downgraded into a Tropical Storm...moving inland across Western Guangdong...Heavy rains expected.

*Residents and visitors along Western Guangdong should closely monitor the progress of KOPPU (NANDO).

*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: KOPPU is expected to move inland across the rugged terrain of Western Guangdong today and rapidly dissipate within the next 24 to 36 hours.

+ Effects: KOPPU's circulation has started to rapidly decay while moving over Western Guangdong. Stormy conditions w/ rain & winds of up to 100 kph will continue to be felt along the path of KOPPU. 1-day rainfall accumulations of 100 up to 250 mm can be expected along NANDO's rainbands with isolated accumulations of up to 300 mm near its center and 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. Possible coastal Storm Surge flooding of up to 4 feet above normal tide levels...accompanied by large and dangerous battering waves...is possible along the coastal areas of Western Guangdong. Very minimal damage is likely on this type of storm surge.

[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: 2:00 PM PST Tue September 15 2009
Location of Center: 22.6º N Lat 110.5º E Lon
Distance 1: 145 km (78 nm) North of Zhanjiang, China
Distance 2: 310 km (167 nm) WNW of Macau
Distance 3: 385 km (208 nm) WNW of Hong Kong
MaxWinds (1-min avg): 110 kph (60 kts) near the center
Peak Wind Gusts: 140 kph (75 kts)
Saffir-Simpson Scale: Tropical Storm
Coastal Storm Surge Height: 1-3 feet [0.3-0.9 m]
Central Pressure: 978 millibars (hPa)
Recent Movement: WNW @ 22 kph (12 kts)
General Direction: Western Guangdong
Size (in Diameter): 665 km (360 nm) / Avg/Large
Max Sea Wave Height (near center): 21 ft (6.4 m)
HKO TrackMap (for Public): 2 PM PST Tue Sep 15
JTWC Ship Avoidance TrackMap: 00Z Tue Sep 15
Multi-Agency Forecast TrackMap: 2 PM Tue Sep 15
TSR Wind Probabilities: Current to 1-day Ahead
Zoomed Satellite Pic: Near Real-Time
Wunderground Animation: 6-12 hr. GIF Loop