Wednesday, August 14, 2013

Typhoon UTOR (LABUYO) Update #017


for Tuesday, 13 August 2013 [9:30 PM PhT]


Issued: 6:00 PM PhT (10:00 GMT) Wednesday 14 August 2013
Next Update: 6:00 AM PhT (22:00 GMT) Thursday 15 August 2013

Typhoon UTOR (LABUYO) has made landfall over the southern shores of Western Guangdong early this afternoon...bringing strong winds and heavy rains over the area.

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 Vietnam and the western sections of Luzon tonight. Flash floods and landslides are likely in hazard-prone areas especially along river banks and mountain slopes.

Residents and visitors along Guangdong and Guangxi Provinces of China including Hainan Island and Northern Vietnam 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 eye of Typhoon Utor (Labuyo) was located over Western Guangdong...about 115 km northeast of Zhanjiang City or 225 km north-northeast of Haikou, Hainan Island...currently moving northwestward with an increased forward speed of 19 km/hr towards Northern Guangxi, China.

Maximum Sustained Winds (1-min. avg) have decreased to near 150 km/hr near the center with higher gusts. Typhoon Force Winds (118 km/hr or more) extend outward up to 65 kilometers from the center...and Tropical Storm Force Winds (63-117 km/hr) extend outward up to 260 kilometers. Utor (Labuyo) remains a large-sized tropical cyclone with a diameter of 740 kilometers across. The 24-hour rainfall accumulation near the center of Utor (Labuyo) is estimated to be heavy (325 mm).


Typhoon Utor (Labuyo) is expected to slow down and continue moving northwestward for the next 24 hours.On the forecast track, the core of Utor (Labuyo) will be over Northeastern Guangxi by Thursday afternoon.

Utor (Labuyo) is expected to rapidly weaken while traversing Western Guangdong on its way to Northeastern Guangxi. Advance Intensity Forecast (AIF) shows Utor will be downgraded to a Tropical Storm (TS) with winds of 75 km/hr by Thursday afternoon...and weakens further into an area of low pressure.

The following is the summary of the 1-day forecast outlook on this system:

THURSDAY AFTERNOON: Weakens to a TS while over the northeastern part of Guangxi Province...about 280 km north-northwest of Zhanjiang, China [5PM AUGUST 15: 23.8N 110.1E @ 75kph].

*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 Westernmost Guangdong. 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: Westernmost Guangdong (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: Rest of Western Guangdong, Leizhou Peninsula and Eastern Guangxi.
OUTER RAINBANDS - where Tropical Depression Conditions with light, moderate to strong winds (30-62 kph) will be expected. Affected Areas: NW part of the South China Sea, Hainan Island, Rest of Eastern Guangxi, and the rest of Guangdong (click here to know more about Rainbands).
24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 100 mm (slight to moderate rainfall) can be expected along areas affected by the outer & inner rainbands (see above)...with isolated amounts of 101 to 305 mm (moderate to 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 Wed Aug 14, 2013
Class/Name: TY Utor (Labuyo)
Location of Eye: 21.9º N Lat 111.3º E Lon
Distance 1: 115 km NE of Zhanjiang, China
Distance 2: 230 km WSW of Macao
Distance 3: 225 km NNE of Haikou, Hainan Is.
Distance 4: 300 km WSW of Hong Kong
MaxWinds (1-min avg): 150 kph near the center
Peak Wind Gusts: 185 kph
Saffir-Simpson Hurricane Scale: Category 1
Present Movement: NW @ 19 kph
Towards: Guangxi Province
24hr Rainfall Accum (near center): Heavy [305 mm]
Minimum Central Pressure: 963 millibars (hPa)
Size (in Diameter): 740 km [Large]
Max Sea Wave Height (near center): 32 ft
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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