Tropical Storm HAITANG (HUANING) Update Number 001

Tropical Storm HAITANG (HUANING) Update Number 001

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TROPICAL STORM HAITANG (HUANING) UPDATE NUMBER 001

Issued at: 2:30 PM PhT (06:30 GMT) Sunday 30 July 2017
Next update: Sunday Evening, 30 July 2017
Current Status and Outlook

The small Tropical Storm (TS) over the West Philippine Sea with a global name “HAITANG,” a Chinese word for a flowering Crabapple – has accelerated rapidly northeastward and entered the northwestern border of the Philippine Area of Responsibility (PAR). It is known in the Philippines as “HUANING.”  Its rainbands is currently bringing moderate to heavy rains with strong winds across the western portions of Bashi and Balintang Channel. 

This storm is expected to turn northward within the next 12 to 24 hours at a forward speed of 25 km/hr, making landfall over Southern Taiwan later this afternoon or early evening.  HAITANG (HUANING) is forecast to lose strength as it interacts with the mountains of Taiwan tonight, and will emerge over the East China Sea on Monday morning (Jul 31).

*The combination of TS HAITANG and the strong surge of the Southwest Monsoon (Habagat) will bring occasional rains, gusty winds, and thunderstorms with large surfs across the inland and coastal areas of Ilocos Provinces and the Batanes-Babuyan Islands.

Where is HAITANG (HUANING)? As of 11:00 AM PhT, July 30…0300 GMT.  The center was located over the Bashi Channel (near 21.2N 120.2E), about 335 km north of Laoag City, Ilocos Norte or 205 km west-northwest of Basco, Batanes.
How strong is it?

Maximum Sustained Winds (10-min avg): 75 kph near the center…Gustiness: 95 kph.

Past Movement (06 hrs) It was moving Northeast @ 39 kphtowards Southern Taiwan
Potential Landfall Area(s) :: Over Pingtung County, Southern Taiwan between 4-5pm todaywith a high Strike Probability of 90-100%.
What Philippine areas will be most affected?* :: None.
Potential Storm Surge/Coastal Flooding Areas+ :: None.
1-Day Forecast Outlook Summary**

MONDAY MORNING: Emerging over the East China Sea, after traversing Taiwan, just a Tropical Depression (TD) as it exits PAR…about 190 km west-northwest of Taipei, Taiwan [8AM July 31: 26.0N 120.0E @ 55kph].  Confidence LevelLOW.

**Important Note: Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Track has an average error of 100 and 250 km respectively…while the wind speed forecast error, averages 35 km/hr 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.

Other Storm Info > 24 hr. Rain Accumulation (across its circulation): 25 to 300 mm [Light to Extreme]

> Minimum Central Pressure: 993 millibars (hPa)

> Size of Circulation [Convective Cloud-Based, in diameter]: 365 km (Very Small/Midget)

> Area of Damaging Winds (100 kph or more wind gusts): None.

Additional Distances Time/Date: 11:00 AM PhT Sun July 30, 2017
Location of Center/Eye: Near 21.2º N Lat 120.2º E Lon
Distance 1: 158 km S of Kaohsiung, Taiwan 
Distance 2: 176 km WNW of Itbayat, Batanes
Distance 3: 260 km WNW of Taipei, Taiwan
Distance 4: 296 km NNW of Pagudpud, Ilocos Norte
Distance 5: 735 km N of Metro Manila

Information based on data collected by WeatherPhilippines Foundation, Inc. shall not be taken as official data. Weather information broadcasted and distributed by PAGASA remains as official data. WeatherPhilippines shall not be responsible for the private use and reliance of its weather information.

Issued by: David Michael V. Padua for WeatherPhilippines

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