Tuesday, August 14, 2012

TS KAI-TAK [HELEN] - Update #004


for Tuesday, 14 August 2012 [7:53 AM PhT]

Typhoon2000 (T2K) NEWS (Monday August 13, 2012):

Currently issuing 6-hrly web, SMS, email, & iTyphoon app updates (except 12 Midnight) on KAI-TAK (HELEN).


+ USA (JTWC/1-min avg): 85 km/hr
+ Japan (JMA/10-min avg): 75 km/hr
+ Philippines (PAGASA/10-min avg): 75 km/hr
+ Beijing (NMC/2-min avg): 75 km/hr
+ Taiwan (CWB/10-min avg): 75 km/hr
+ Korea (KMA/10-min avg): 80 km/hr

+ Hong Kong (HKO/10-min avg): 65 km/hr
:: Click here to see Multi-Agency Forecast Tracks


6:00 AM PhT (22:00 GMT) Tue 14 August 2012
Sources: T2K Analysis/Dynamic Models/SatFixes
View: T2K TC Update Archives (2004-2012)
Tropical Storm KAI-TAK (HELEN) relocated northeast of its previous position as it continues to pick-up strength while over the warm Philippine Sea...still a threat to Extreme Northern Luzon. Its outer rainbands spreading across Eastern Luzon including Bicol Region.

Meanwhile, KAI-TAK will continue to enhance the Southwest Monsoon (aka. Habagat) across the Western Sections of Luzon & Visayas incl. Metro Manila today until Thursday. Mostly cloudy conditions w/ scattered to passing occasional showers, rains & thunderstorms will be expected along the abovementioned areas. The seas along the coastal areas facing the West, East and North Philippine Seas will be moderate to rough.

Residents and visitors along Extreme Northern and Northern Luzon, and Taiwan should closely monitor the progress of KAI-TAK (HELEN).

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.


Time/Date: 6:00 AM PhT Tue August 14, 2012
Location of Center: 17.6º N Lat 126.4º E Lon {Relocated}
Distance 1: 418 km (ENE) away from Palanan Bay, Isabela
Distance 2: 455 km (ESE) closer to Santa Ana, Cagayan
Distance 3: 483 km (ENE) away from Casiguran, Aurora
Distance 4: 490 km (ENE) away from Ilagan City
Distance 5: 498 km (E) closer to Tuguegarao City
Distance 6: 505 km (ENE) away from Cauayan City
Distance 7: 515 km (ESE) closer to Aparri, Cagayan
Distance 8: 550 km (SE) closer to Calayan Island
Distance 9: 557 km (SE) closer to Basco, Batanes
Distance 10: 560 km (NNE) away from Metro Naga/CWC
MaxWinds (1-min avg): 85 kph (45 kts) near the center
Peak Wind Gusts: 100 kph (55 kts)
Present Movement: WNW @ 15 kph (08 kts)
Towards: Batanes-Taiwan Area
CPA [ETA] to Batanes Islands: Wednesday [3PM-9PM PHT]
NOAA 24hr Rainfall Accum (near center): 750 mm (VHigh)
Minimum Central Pressure: 989 millibars (hPa)
Saffir-Simpson Typhoon Scale: TS
Size (in Diameter): 775 km (420 nm) [Large]
Wind Area Distribution (in Knots): Current Wind Profile
Max Sea Wave Height (near center): 16 ft
Possible Storm Surge Height: 1-3 ft [0.3-0.9 m]
T2K StormTracks (for Public): Google Map (Flash) | GIF


KAI-TAK (HELEN) is expected to move NW-ward during the next 24 hours...before turning WNW-ward through 72 hours. Its general forward speed will slowly increase throughout the forecast period. On the forecast track, the core of KAI-TAK will pass very close to Batanes Islands on Wednesday afternoon...and will exit the Philippine Area of Responsibility (PAR) on Thursday. On Friday morning, KAI-TAK is forecast to make landfall over Southern China near the city of Shantou.

Maximum Sustained Winds (1-min. avg) have increased to near 85 km/hr (45 knots) with higher gusts. Continued strengthening is forecast during the next 2 days...and KAI-TAK could become a Typhoon on Wednesday.

Tropical Storm Force Winds (62-100 km/hr) extend outward up to 110 kilometers (60 nautical miles) from the center. KAI-TAK is a large-sized tropical cyclone with a diameter of 775 kilometers (420 nautical miles) across.

The following is the summary of the 3-day forecast outlook on this system:

WEDNESDAY MORNING: Near Typhoon strength as it approaches the Batanes Islands...about 213 km ESE of Basco, Batanes [6AM AUG 15: 19.8N 123.9E @ 100kph].
THURSDAY MORNING: Becomes a Typhoon as it moves away from the Batanes Islands, passing very near the southern tip of Taiwan...about 61 km SW of Kaohsiung City, Taiwan [6AM AUG 16: 22.2N 119.9E @ 120kph].
FRIDAY MORNING: Weakens into a Tropical Storm (TS) as it makes landfall over Southern China near the Fujian-Guangdong Border...about 102 km WNW of Shantou City [6AM AUG 17: 23.8N 115.8E @ 110kph].

*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.


Below is the summary of the storm's parts and its hazards affecting specific areas:

INNER RAINBANDS - over water (Philippine Sea)...not affecting any land areas...but will reach the eastern coast of Cagayan later today. Tropical Storm Conditions with Tropical Storm Force Winds (62-100 kph) will be expected along these bands.
DEVELOPING RAINBANDS - affecting & spreading across Eastern & NE Luzon including Bicol Region. Cloudy/Rainy Conditions with moderate to strong winds (<62 kph) will be expected along these bands (click here to know more about Rainbands).
24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 200 mm (low to high rainfall) can be expected along areas affected by the outer & inner rainbands (see above)...with isolated amounts of 201 to 750 mm (high to very high) along areas near the center of Kai-tak (Helen) (click to open NOAA's eTRaP graphic).
COASTAL STORM SURGE FLOODING - possible 1-3 ft (0.3-0.9 m) above normal tide levels...accompanied by large and dangerous battering waves can be expected along the coastal, inland lakes and beach front areas of Northeastern Luzon. Very minimal damage is likely on this type of storm surge. Danger from Rip Currents or Rip Tides can be expected along the rest of the beach-front areas of Luzon.
(click here to know more about Storm Surge).

CURRENT SW MONSOON INTENSITY: MODERATE >> Mostly cloudy skies with some scattered to occasional showers, rains or thunderstorms will be expected along the following affected areas: WESTERN VISAYAS, WESTERN LUZON & MINDORO incl. CALAMIAN GROUP OF ISLANDS & METRO MANILA. Light to moderate SW'ly winds (not in excess of 45 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!

PAGASA Philippine Storm Warnings Signals

Kindly visit: The official PAGASA Website to view the Signals hoisted

External Links for TS KAI-TAK (HELEN)

PAGASA: Hourly Updates
View NOAA-CIRA's: Latest Full Wind Analysis
JTWC Latest Tracking Chart: wp1412.gif
Multi-Agency Forecast TrackMap: Near Real-Time
TSR Wind Probabilities: Current to 5 Days Ahead
JAXA TRMM Page: Latest Rainrate (in mm/hr)
NASA TRMM Page: Kai-tak's Rainrate Archives (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:


For the complete details on TS KAI-TAK (HELEN)...go visit our website @:


:: Kindly view our site's disclaimer at: 

<<<Typhoon2000.com Mobile >>>
Get the latest SMS Storm Alerts!
For more details: Text T2K TYPHOON to

2800 (Globe/TM) | 216 (Smart/TNT) | 2288 (Sun)
*Only P2.50 (Smart/Globe) / P2.00 (Sun) per msg received.

Click here on how to use this service (in PDF file)
Powered by: Synermaxx Corporation

Copyright © 2012 Typhoon2000.com     All Rights Reserved

Reply via web post Reply to sender Reply to group Start a New Topic Messages in this topic (1)
Recent Activity:


No comments: