Monday, August 12, 2013

Typhoon UTOR (LABUYO) Update #013


for Monday, 12 August 2013 [9:49 PM PhT]


Issued: 6:00 PM PhT (10:00 GMT) Monday 12 August 2013
Next Update: 6:00 AM PhT (22:00 GMT) Tuesnday 13 August 2013

Typhoon UTOR (LABUYO) has maintained its strength as it continues to move across the West Philippine Sea...on its way to South China Sea.

This typhoon will continue to enhance the Southwest Monsoon (Hanging Habagat) bringing cloudy conditions with occasionally slight to moderate to sometimes heavy rains and thunderstorms across Western Visayas, MiMaRoPa and Bicol Region tonight. Flash floods and landslides are likely in hazard-prone areas especially along river banks and mountain slopes.

Residents and visitors along Southern China should closely monitor the development of Utor (Labuyo).

Do not use this for life or death decisions. This update is intended for additional information purposes only. Kindly refer to your national weather agency for official warnings, advisories or bulletins.


As of 5:00 pm today, the center of Typhoon Utor (Labuyo) was located over the West Philippine Sea...about 200 km west-northwest of San Fernando, La Union or 190 km west-southwest of Vigan, Ilocos Sur...currently moving west-northwest with a decreased forward speed of 24 km/hr towards South China Sea.

Maximum Sustained Winds (1-min. avg) have maintained to near 160 km/hr near the center with higher gusts. Typhoon Force Winds (118 km/hr or more) extend outward up to 95 kilometers from the center...and Tropical Storm Force Winds (63-117 km/hr) extend outward up to 295 kilometers. Utor (Labuyo) is an average-sized tropical cyclone with a diameter of 555 kilometers across. The 24-hour rainfall accumulation near the center of Utor (Labuyo) is estimated to be heavy (350 mm).


Typhoon Utor (Labuyo) is expected to continue moving west-northwestward throughout the forecast period. On the forecast track, the core of Utor (Labuyo) will be over the South China Sea by Tuesday afternoon. By Wednesday afternoon, Utor will be right over the southern coast of Western Guangdong.

Utor (Labuyo) is expected to slightly regain strength as it traverses the South China Sea. Advance Intensity Forecast (AIF) shows Utor reintensifies to 165 km/hr by Tuesday afternoon...and intensifies further to 175 km/hr by Wednesday afernoon.

The following is the summary of the 2-day forecast outlook and an extended 3-day forecast on this system:

TUESDAY AFTERNOON: Over the South China Sea...reintensifies slightly...about 390 km east-southeast of Haikou, Hainan Island 5PM AUGUST 13: 18.9N 113.8E @ 165kph].
WEDNESDAY AFTERNOON: Intensifies further before making landfall over Western Guangdong in Southern China...about 35 km northeast of Zhanjiang City, China 5PM AUGUST 14: 21.4N 110.8E @ 175kph].
THURSDAY AFTERNOON: Weakens over Western Guangdong...about 290 km northwest of Zhanjiang City, China 5PM AUGUST 15: 23.3N 108.6E @ 55kph].

*Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Tracks have an average error of 100 and 250 km respectively...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. You can also view this image link for you to understand the parts.

CLOUD-FILLED EYE - Over West Philippine Sea. Possible calm and lull conditions (with <20 kph winds) will be expected inside the eye (click here to know more about the EYE).
EYEWALL - where Typhoon Conditions with Typhoon Force Winds (>118 kph) will be expected within this wall. Affected Areas: West Philippine Sea (click here to know more about the Eyewall).
INNER RAINBANDS - where Tropical Storm Conditions with Tropical Storm Force Winds (63-100 kph) will be expected. Affected Areas: West Philippine Sea
OUTER RAINBANDS - where Tropical Depression Conditions with light, moderate to strong winds (30-62 kph) will be expected. Affected Areas: Western sections of Northern and Central Luzon (click here to know more about Rainbands).
24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 100 mm (slight to heavy rainfall) can be expected along areas affected by the outer & inner rainbands (see above)...with isolated amounts of 101 to 350 mm (heavy) along areas near the center of Utor (Labuyo).

Important Note: Please keep in mind that the above forecast outlook, effects and hazards summary changes every 6 to 12 hrs!


Time/Date:5:00 PM PhT Mon Aug 12, 2013
Class/Name: TY Utor (Labuyo)
Location of Center: 17.4º N Lat 118.6º E Lon
Distance 1: 200 km WNW of San Fernando, La Union
Distance 2: 190 km WSW of Vigan, Ilocos Sur
Distance 3: 240 km WNW of Baguio City
Distance 4: 240 km NW of Dagupan City
Distance 5: 230 km WSW of Laoag City
Distance 6: 275 km NW of Iba, Zambales
Distance 7: 410 km NW of Metro Manila
Distance 8: 715 km SE of Hongkong, China
MaxWinds (1-min avg):160 kph near the center
Peak Wind Gusts: 195 kph
Saffir-Simpson Hurricane Scale: Category 2
Present Movement: WNW @ 24 kph
Towards: South China Sea
24hr Rainfall Accum (near center): Heavy [350 mm]
Minimum Central Pressure: 959 millibars (hPa)
Size (in Diameter): 555 km [Average]
Max Sea Wave Height (near center): 28 ft
Possible Storm Surge Height: 6-8 ft (1.8-2.6 m)

T2K/WP StormTracks (for Public): GIF | Google Map (Flash)


CURRENT TRACKING MAP: _____________________________________________________________________________




>> To know the meteorological terminologies and acronyms used on this update visit the ff:

For the complete details on TY UTOR (LABUYO)...go visit our website @:


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