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Daily update- Thursday, May 26, 2016

NWPAC outlook, 26 MAY

NWPAC outlook, 26 MAY

Storm systems roll across the northern region, bringing clouds and showers while the méiyǔ front and monsoon stays locked in over the central region. The south region will once again see a rainy day thanks in large part to 90W INVEST in the South China Sea. The tropics stay quiet, aside from 90W, with very little in the way of activity noted this morning. 

NORTH

Cold medicines and remedies will be selling like hotcakes in Mongolia, where over the past 48 hours, they have seen the afternoon high temperature drop 9 degrees, only to rebound big time by 12 degrees today. Fortunately, they will have nice weather to help clear their heads. Two frontal systems are making their way through the northern third of the region, and temperatures are a bit cooler behind the fronts. The most noticeable difference is in the humidity, where the dry, Siberian air replaces the moist, tropical air that came up from the Indian Ocean earlier this week. A weak weather system pushing eastward from Japan will bring a few clouds to the archipelago, while méiyǔ energy from the south will keep things rather wet across eastern China.

City

High/Low

C

High/Low

F

Conditions

Ulaanbaatar

21

6 70 43

Mostly fair

Vladivostok

21

9 70 48

Mostly fair

Beijing

30

14 86 57

Mostly fair

Seoul

23

14 73 57

Mostly cloudy

Tokyo

24

21 75 70

Partly cloudy

Xi’an

18

13 64 55

Cloudy

Shanghai

24

20 75 68

Periods of rain

 

CENTRAL

The East Asian monsoon, or méiyǔ, is alive and well across the central region, though some locations are getting a bit of a break. The last surge to push through the region has cleared things out for the most part. Residual moisture remains over much of the region, and more is on the way thanks to the steady west-southwesterly flow of the méiyǔ. But, aside from a few thunderstorms over southwestern China and northern Vietnam, and a few orographically-induced afternoon thunderstorms for Taiwan, the region should see a warm day with just a few scattered clouds.

City

High/Low

C

High/Low

F

Conditions

Kunming

19

14 66 57

Thunderstorms likely

Hong Kong

31

27 88 81

Partly cloudy

Taipei

31

25 88 77

Scattered thunderstorms possible

Naha

29

24 84 75

Mostly fair

Hanoi

29

25 84 77

Thunderstorms likely

 

SOUTH

Plentiful moisture remains over much of the south region, helping to fuel the very slow development of our season’s first tropical disturbance, 90W INVEST:

90W INVEST

90W INVEST, 26 MAY

90W INVEST, 26 MAY

At 0830PST, the N.R.L. (Naval Research Laboratory) placed the center of tropical disturbance 90W INVEST near 18.0N, 114.0E, approximately 450km (280mi) southeast of Haikou, Hainan Island, China. This system is not expected to develop into a significant tropical system, and is forecast to drift to the north and move inland over southern China as a rather meaningless system. It will likely bring some significant rainfall to parts of Vietnam and southern China before its life-cycle is complete.

The remainder of the region will see a good chance for showers and thunderstorms as a deep layer of tropical moisture has entrenched itself over the region, allowing the intensely warm sunshine to lift it up and squeeze out the precipitation.

City

High/Low

C

High/Low

F

Conditions

Siem Reap

33

26 91 79

Thunderstorms likely

Ho Chi Minh

32

26 90 79

Thunderstorms likely

Manila

34

26 93 79

Scattered thunderstorms likely

Davao City

33

24 91 75

Scattered thunderstorms likely

Brunei

35

27 95 81

Partly cloudy

Singapore

32

28 90 82

Scattered thunderstorms likely

 

TROPICS 

The tropics have one weak system in the form of 90W INVEST, but aside from that, things are very quiet out there. One long line of enhanced convergent activity is located in eastern Micronesia, helping aid in the development of afternoon showers and thunderstorms. Elsewhere, it’s just the usual dose of pop-up showers and thunderstorms on the menu, with no real threat in sight for the foreseeable future.

City

High/Low

C

High/Low

F

Conditions

Guam

32

27 90 81

Thunderstorms likely

Yap

34

26 93 79

Scattered thunderstorms possible

Palau

32

27 90 81

Thunderstorms likely

Chuuk

32

27 90 81

Thunderstorms likely

Pohnpei

30

25 86 77

Partly cloudy

Majuro

30

27 86 81

Mostly cloudy

Wake

27

26 81 79

Mostly fair

Have a thrilling Thursday!

Courtesy: CIMSS, Tropical Tidbits, Intellicast, WUnderground.com

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