for Sunday, 18 September 2011 [8:30 AM PhT]
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Typhoon2000 (T2K) NEWS (Friday Sep 16 2011):
Please be informed that beginning September 15 to 20 (Thu-Tue), T2K will be issuing irregular advisories as I am currently out for vacation. Kindly bear with me. Thank you ~ MVP.
ROKE (ONYOK) MAX WIND SPEED PER AGENCY:
+ USA (JTWC/1-min avg): 110 km/hr
+ Japan (JMA/10-min avg): 100 km/hr
+ Philippines (PAGASA/10-min avg): 105 km/hr
+ Beijing (NMC/2-min avg): 100 km/hr
+ Taiwan (CWB/10-min avg): 100 km/hr
+ Korea (KMA/10-min avg): 105 km/hr
+ Hong Kong (HKO/10-min avg): 105 km/hr
:: Click here to see Multi-Agency Forecast Tracks
TROPICAL STORM ROKE [ONYOK/18W/1115]
T2K PUBLIC ADVISORY NUMBER 018
6:00 AM PhT (22:00 GMT) Sun 18 September 2011
Source: T2K Analysis/JTWC Warning #026/SatFixes
View: Advisory Archives (2004-2011)
Tropical Storm ROKE (ONYOK) almost a Typhoon as it drifts Eastward...may leave the Philippine Area of Responsibility (PAR) later today.
This system will slightly enhance the Southwest Monsoon (aka. Habagat) & bring occasional showers or rains w/ breezy conditions across Western Luzon & Western Visayas.
Residents and visitors along the Okinawa, Ryukyus & Southern Japan should closely monitor the progress of ROKE (ONYOK).
Do not use this for life or death decision. This advisory is intended for additional information purposes only. Kindly refer to your country's official weather agency for local warnings, advisories & bulletins.
CURRENT STORM INFORMATION
Time/Date: 6:00 AM PhT Sun September 18 2011
Location of Center: 24.9º N Lat 130.9º E Lon
Distance 1: 358 km SE of Okinawa, Japan
Distance 2: 426 km SSE of Naje Is., Ryukyus
Distance 3: 937 km East of Taipei, Taiwan
Distance 4: 1,035 km NE of Basco, Batanes
MaxWinds (1-min avg): 110 kph (60 kts) near the center
Peak Wind Gusts: 140 kph (75 kts)
Present Movement: East @ 05 kph (03 kts)
Towards: Southern Japan
24hr Rainfall Accum (near center): 350 mm (High)
Rainrate (near center): >30 mm/hr (VHeavy)
Minimum Central Pressure: 978 millibars (hPa)
Saffir-Simpson Typhoon Scale: Tropical Storm
Size (in Diameter): 740 km [Large]
Wind Area Distribution (in Knots): Current Wind Profile
Max Sea Wave Height (near center): 18 ft
Possible Storm Surge Height: 1-3 ft [0.3-0.9 m]
Wunder TrackMap (for Public): 2 AM PhT Sun Sep 17
3-DAY FORECAST OUTLOOK & ANALYSIS*
ROKE (ONYOK) is expected to resume northward during the next 24 hours...and will recurve northeastward over the next 48 to 72 hours. On the forecast track, the center of the storm will be passing well to the east of Okinawa later today and pass just to the east of the Ryukyus on Monday & Tuesday.
Maximum Sustained Winds (1-min. avg) are near 110 km/hr (60 knots) with higher gusts. 18W is a Strong Tropical Storm (TS) on the Saffir-Simpson Tropical Cyclone Scale. Additional strengthening is forecast during the next 48 hours...and ROKE could become a Typhoon later today.
Tropical Storm Force Winds (62-117 km/hr) extend outward up to 185 kilometers (100 nautical miles) from the center.
The following is the summary of the 3-day forecast outlook on this system:
MONDAY EARLY MORNING: Upgraded to a Category 1 Typhoon as it begins to track Northward slowly...exits PAR...about 260 km ESE of Okinawa, Japan [2AM SEP 19: 26.3N 130.4 @ 130kph].
TUESDAY EARLY MORNING: Maintains its intensity as it starts to recurve towards the NE...about 184 km SE of Naje Island, Ryukyus [2AM SEP 20: 27.6N 131.3E @ 130kph].
WEDNESDAY EARLY MORNING: Accelerating NE towards Southern Honshu...moving farther away from the Ryukyus...about 351 km SSE of Kochi, Japan [2AM SEP 21: 30.3 134.2E @ 130kph].
*Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 3 Forecast Track have an average error of 250 km...while the wind speed forecast error, averages 35 kph per day. Therefore, a turn to the left or right of its future track and changes in its wind speed must be anticipated from time to time.
EFFECTS & HAZARDS SUMMARY
ROKE's (ONYOK) circulation has dramatically improved during the day. Below is the summary of the storm's parts and its hazards affecting specific areas:
INNER RAINBANDS - affecting & spreading across Okinawa & the Ryukyus. Tropical Storm Conditions w/ Tropical Storm Force Winds (62-117 kph) will be expected along these bands. OUTER RAINBANDS - affecting & spreading across North Philippine Sea, East China Sea & the coastal areas of Southern Kyushu. Tropical Depression Conditions w/ moderate to strong winds (25-61 kph) will be expected along these bands (click here to know more about Rainbands). 24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 100 mm (low to high rainfall) can be expected along areas affected by the outer & inner rainbands (see above)...with isolated amounts of 101 to 350 mm (medium to high) along areas near the center of ROKE (ONYOK). (click to open NOAA's eTRaP graphic).
CURRENT SW MONSOON INTENSITY: MODERATE >> Mostly cloudy skies with passing occasional showers, rains or thunderstorms w/ squalls will be expected across the following affected areas: NORTHERN & CENTRAL LUZON...becoming more intense along the Western Sections. Light to moderate SW'ly winds (not in excess of 35 kph) will blow across the abovementioned areas.
Important Note: Please keep in mind that the above forecast outlook, effects-hazards, current monsoon intensity, & tropical cyclone watch changes every 6 to 12 hrs!
External Links for TS ROKE (ONYOK)
View NOAA-CIRA's: Latest Full Wind Analysis
JTWC Latest Tracking Chart: wp1811.gif
Multi-Agency Forecast TrackMap: Near Real-Time
TSR Wind Probabilities: Current to 5 Days Ahead
JAXA TRMM Page: Latest Rainrate (in mm/hr)
Zoomed Satellite Pic: NOAA's Near Real-Time
Wunderground Animation: 6-12 hr. GIF Loop
>> To know the meteorological terminologies and acronyms used on this update visit the ff:
http://typhoon2000.ph/tcterm.htm
http://www.nhc.noaa.gov/aboutgloss.shtml
http://www.nhc.noaa.gov/acronyms.shtml
______________________________________________________________________________________________________________________________
For the complete details on TS ROKE (ONYOK)...go visit our website @:
> http://www.typhoon2000.com
> http://www.maybagyo.com
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