TROPICAL STORM 18W [UNNAMED]

18W (UNNAMED) MAX WIND SPEED PER AGENCY:

+ USA (JTWC/1-min avg): 65 km/hr
+ Japan (JMA/10-min avg): 55 km/hr

TROPICAL STORM 18W [UNNAMED]
T2K PUBLIC ADVISORY NUMBER 008
11:00 AM PST (03:00 GMT)
Wed 30 September 2009
Source: T2K ANALYSIS / JTWC WARNING #012
# View: Advisory Archives (2004-2009)

Tropical Storm 18W (UNNAMED) to pass near Guam any moment from now...Gale-force winds w/ rains expected.

*Residents and visitors along the Marianas should closely monitor the progress of 18W (UNNAMED).

*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: 18W is expected to remain a weak system as it passes very close to Guam. The 2 to 3-day Medium-Range forecast shows the system dissipating and being absorbed into the circulation of Typhoon PARMA, which is a much stronger system.

+ Effects: 18W's circulation remains small. This system will bring light to moderate rainfall w/ gale-force winds (30-60 kph) across the Marianas today.

[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: 11:00 AM PST Wed September 30 2009
Location of Center: 13.4º N Lat 145.3º E Lon
Distance 1: 55 km (30 nm) East of Guam, CNMI
Distance 2: 205 km (110 nm) SSW of Saipan, CNMI
MaxWinds (1-min avg): 65 kph (35 kts) near the center
Peak Wind Gusts: 85 kph (45 kts)
Saffir-Simpson Scale: Tropical Storm
Coastal Storm Surge Height: 1-3 feet [0.3-0.9 m]
Central Pressure: 996 millibars (hPa)
Recent Movement: WNW @ 30 kph (16 kts)
General Direction: Guam-Rota Area
Size (in Diameter): -- km (--- nm) / N/A
Max Sea Wave Height (near center): 17 ft (5.1 m)
NWS-Guam TrackMap (for Public): 11 AM PST Wed Sep 30
JTWC Ship Avoidance TrackMap: 00 GMT Wed Sep 30
TSR Wind Probabilities: Current to 3-days Ahead
Zoomed Satellite Pic: Near Real-Time
Wunderground Animation: 6-12 hr. GIF Loop