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Daily weather brief – Tuesday, September 13, 2016

NWPAC outlook, 13 SEP

NWPAC outlook, 13 SEP

NORTH

The feel of autumn continues over much of the north region as temperatures slowly rebound from last week’s cool air intrusion. A stalled frontal system will bring about a chance for showers and thunderstorms, especially over Japan and extreme eastern China. The rest of the region should see a rather uneventful day weather-wise, with scattered clouds and comfortably warm temperatures. For future reference, attention is turned to tropical storm 18W MERANTI, as forecasts show the possibility of this system moving into the region by this weekend.

City

High/Low

C

High/Low

F

Conditions

Ulaanbaatar

20

7 68 45

Partly cloudy

Vladivostok

19

16 66 61

Mostly cloudy

Beijing

28

17 82 64

Mostly fair

Seoul

29

20 84 68

Partly cloudy

Tokyo

27

22 81 72

Thunderstorms possible

Xi’an

29

19 84 66

Partly cloudy

Shanghai

28

23 82 73

Mostly fair

 

CENTRAL

All attention of the central region is on the tropics where a monstrous storms system in the form of 16W MERANTI (Ferdie) continues to track to the west-northwest towards the Luzon Strait. This system will bring dangerous conditions to much of the southeastern central region later this week as it passes south of Taiwan and into southeastern China. For today, most locales will see a good chance for showers and thunderstorms as the deep, tropical moisture gets a lift from the warm afternoon sun.

City

High/Low

C

High/Low

F

Conditions

Kunming

23

14 73 57

Scattered thunderstorms likely

Hong Kong

31

27 88 81

Scattered thunderstorms likely

Taipei

32

27 90 81

Partly cloudy

Naha

31

27 88 81

Scattered thunderstorms likely

Hanoi

32

24 90 75

Scattered thunderstorms likely

 

SOUTH

The tropics have really blossomed during the past 7 days, and the south region is getting its fair share of the activity. On tap right now is tropical storm 19W RAI, which is making landfall in central Vietnam as I write this. 19W will move inland and dissipate over the next 24 hours, but not before dumping lots of rain across the Southeast Asian peninsula. Most other locations are expecting a good chance for showers and thunderstorms as well this afternoon, as the warm sun lifts up the available moisture to squeeze out a few boomers.

City

High/Low

C

High/Low

F

Conditions

Siem Reap

29

24 84 75

Thunderstorms likely

Ho Chi Minh

29

24 84 75

Thunderstorms likely

Manila

31

27 88 81

Thunderstorms possible

Davao City

32

24 90 75

Scattered thunderstorms possible

Brunei

31

24 88 75

Mostly cloudy

Singapore

31

26 88 79

Thunderstorms likely

 

TROPICS

The tropics have literally blown up over the past few days, and we now have 3 designated systems to track out there with super typhoon 16W MERANTI (Ferdie), tropical storm 18W MALAKAS, and tropical storm 19W RAI.

TAAG, 13 SEP

TAAG, 13 SEP

Super typhoon 16W MERANTI, also named “Ferdie” by the Philippines’ state weather agency PAGASA, has been tracking to the west-northwest over the past 24 hours. The system has undergone an impressive growth spurt, now ranking as the strongest storm of the year, and one of the strongest-ever in the NWPAC basin. Current forecasts take this system through the Luzon Strait and just south of Taiwan before turning it to the north and into southeastern china later this week. Storm warnings have been raised over much of the northern Philippines and will likely be raised later today in southern Taiwan. For more on this system, please see the full report filed by WPWx meteorologist Robert Speta.

16W full, 13 SEP

16W full, 13 SEP

Tropical storm 18W MALAKAS has lost some of its punch over the past 24 hours, but is forecast to recover and strengthen into a formidable system before it runs its course. The system has been tracking slightly north of due west over the past 24 hours as it encounters a bit of VWS (Vertical Wind Shear) thanks to a nearby upper-level low pressure area. Current forecasts show this system to track north of MERANTI’s path, impacting the Ryukyu Islands later this week, and possibly southern japan and South Korea by week’s end.

18W full, 13 SEP

18W full, 13 SEP

Tropical storm 19W RAI is moving into central Vietnam and final warnings have been issued for this system. Heavy rain, gusty winds, and generally stormy conditions can be expected over much of central Southeast Asia during the next 24-36 hours as this system moves inland and dissipates.

19W full, 13 SEP

19W full, 13 SEP

The remainder of the tropics are typically hot and humid, with a good chance for scattered showers and thunderstorms at the peak of daytime heating.

City

High/Low

C

High/Low

F

Conditions

Guam

31

27 88 81

Scattered thunderstorms likely

Yap

31

26 88 79

Thunderstorms likely

Palau

29

27 84 81

Thunderstorms possible

Chuuk

29

26 84 79

Thunderstorms possible

Pohnpei

28

24 82 75

Scattered thunderstorms possible

Majuro

29

28 84 82

Scattered thunderstorms possible

Wake

31

27 88 81

Scattered thunderstorms possible

 

Have a terrific Tuesday!

Courtesy: CIMSS, Tropical Tidbits, JMA, JTWC, Intellicast, WUnderground.com, N.R.L., RAMMB-NOAA

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