WEATHER.COM.PH / T2K TROPICAL CYCLONE UPDATES
TROPICAL STORM SONAMU (AURING) UPDATE NUMBER 004
Issued: 7:00 AM PhT (23:00 GMT) Friday 04 Jan 2013
Next Update: 1:00 PM PhT (05:00 GMT) Friday 04 Jan 2013
Tropical Storm Sonamu (Auring) has just crossed the southernmost part of Palawan and is now over the western coast of Bataraza, Palawan. Its rainbands has started to move away from Palawan.
This storm will continue to enhance the Northeast Monsoon (Amihan) and I.T.C.Z. and bring "on-and-off" slight, moderate to heavy rains across the Rest of Visayas, Northern Mindanao, Eastern & Southern Luzon including Mindoro, Bicol Region, Marinduque.
Residents and visitors along Palawan and Spratly Islands should closely monitor the development of Sonamu (Auring).
Do not use this for life or death decision. This update is intended for additional information purposes only. Kindly refer to your national weather agency for official warnings, advisories or bulletins.
CURRENT STORM ANALYSIS
As of 6 AM today, the center of Tropical Storm Sonamu (Auring) was located just along the western shores of Southern Palawan...about 91 km west-southwest of Brooke's Point, Palawan or 87 km west of Bataraza, Palawan...currently moving west with a forward speed of 26 km/hr in the general direction of the West Philippine Sea.
Maximum Sustained Winds (1-min. avg) are at 65 km/hr near the center with higher gusts. Sonamu (Auring) is a small-to-average-sized tropical cyclone with a diameter of 335 kilometers across. The 24-hour rainfall accumulation near and to north of the center of TS Sonamu is estimated to be heavy (220 mm).
3-DAY FORECAST OUTLOOK*
Tropical Storm Sonamu (Auring) is expected to move west to west-southwestward throughout the forecast period. On the forecast track, the core of Sonamu (Auring) is expected to move across the West Philippine Sea and exit the Philippine Area of Responsibility (PAR) later this afternoon. It should be over the Gulf of Thailand on Sunday through Monday.
Sonamu (Auring) is forecast to strengthen within the next 12 to 24 hours...and should start to weaken beginning Sunday through Monday.
The following is the summary of the 3-day forecast outlook on this system:
SATURDAY MORNING: Intensifies slightly while moving west-southwest across the South China Sea [6AM JAN 05: 8.0N 111.4E @ 75kph].
SUNDAY MORNING: Starts to weaken as it approaches the Gulf of Thailand [6AM JAN 06: 7.6N 108.0E @ 65kph].
MONDAY MORNING: Weakens into a Tropical Depression while over the Gulf of Thailand [6AM JAN 07: 7.4N 105.8E @ 55kph].
EFFECTS & HAZARDS SUMMARY
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.
INNER RAINBANDS - over water (West Philippine Sea)...not affecting any land areas. Tropical Storm Conditions with Tropical Storm Force Winds (62-85 kph) will be expected along these bands.
OUTER RAINBANDS - affecting and spreading across Palawan, Spratly Islands and Borneo. Tropical Disturbance Conditions with light to moderate winds (<35 kph) will be expected along these bands (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 developing rainbands (see above)...with isolated amounts of 101 to 220 mm (heavy) along areas near and north of the center of TS Sonamu (Auring).
Important Note: Please keep in mind that the above forecast outlook, effects and hazards summary changes every 6 to 12 hrs!
CURRENT TECHNICAL INFORMATION
Time/Date: 6:00 AM PhT Fri January 04, 2013
Class/Name: TS Sonamu (Auring)
Location of Center: 8.6º N Lat 117.0º E Lon
Distance 1: 68 km (N) from Balabac, Palawan
Distance 2: 87 km (W) away from Bataraza, Palawan
Distance 3: 91 km (WSW) away from Brooke's Point, Palawan
Distance 4: 172 km (WSW) away from Narra, Palawan
Distance 5: 223 km (SW) away from Puerto Princesa
MaxWinds (1-min avg): 65 kph near the center
Peak Wind Gusts: 85 kph
Present Movement: West @ 26 kph
Towards: West Philippine Sea
24hr Rainfall Accum (near center): Heavy [230 mm]
Minimum Central Pressure: 1000 millibars (hPa)
Size (in Diameter): 335 km [Small/Average]
Max Sea Wave Height (near center): 9 feet
Possible Storm Surge Height: 1-3 ft (0.3-0.9 m)
T2K/WP StormTracks (for Public): GIF | Google Map (Flash)
CURRENT NOAA/MTSAT-2 INFRARED SATELLITE IMAGE:
CURRENT TRACKING CHART:
>> To know the meteorological terminologies and acronyms used on this update visit the ff:
For the complete details on TS SONAMU (AURING)...go visit our website @:
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