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Daily update- Wednesday, May 18, 2016

NWPAC outlook, 18 MAY

NWPAC outlook, 18 MAY

Warm, summer-like air has settled in over much of the north region while the central region stays warm and wet. The south sees relief from the intense heat in the form of showers and thunderstorms, as the tropics ramp up just a bit. 

NORTH

A slow-moving spring storm system is slowly chugging eastward as it moves offshore of Japan. Temperatures behind this front are basically unchanged, as the front is marking the boundary of some very dry, but relatively warm, air. Another shot of cooler, drier air is making its way into Mongolia, where temperatures will resemble June or July readings today, only to see a significant cool-down back to more seasonable levels tomorrow. Most of the region will see a fine day today, with lots of sunshine and a few scattered clouds.

City

High/Low

C

High/Low

F

Conditions

Ulaanbaatar

28

7 82 45

Partly cloudy

Vladivostok

18

7 64 45

Mostly sunny

Beijing

30

15 86 59

Partly cloudy

Seoul

29

13 84 55

Mostly sunny

Tokyo

24

16 75 61

Mostly sunny

Xi’an

29

16 84 61

Partly cloudy

Shanghai

23

16 73 61

Partly cloudy

 

CENTRAL

With the official declaration of the East Asian rainy season by J.M.A. (Japan Meteorological Agency) yesterday, we confirm what has been widely known all along…it’s darn rainy in the central region! Again today, we find a good chance for showers and even some strong thunderstorms in the region, especially over the Ryukyu Islands and Taiwan, extending southwest to Hong Kong. This is due to a nearly-stationary frontal boundary that is stalled just to the east. Western and southern locales will see fewer clouds with lots of warm, spring sunshine.

City

High/Low

C

High/Low

F

Conditions

Kunming

26

14 79 57

Partly cloudy

Hong Kong

27

25 81 77

Scattered showers likely

Taipei

27

22 81 72

Periods of rain

Naha

26

23 79 73

Thunderstorms likely

Hanoi

30

25 86 77

Partly cloudy

 

SOUTH 

The intense heat in the south has finally been brought down a notch or two by the moderating effects of the shifting monsoon and generally increased moisture in the region. Once again, we find another rainy day across the region, as tropical moisture moves in from two directions. Southeastern Asia is seeing an influx of moisture from the southwest as the seasonal monsoon shift starts to take place, and moisture is added by a developing weak cyclone in the Indian Ocean. The Philippines is also seeing a strong uptick in moisture due to ripples of moisture moving in from the tropics to the east. The intense sun will lift up the moisture in many locations today, offering showers and thunderstorms to just about everyone, bringing some relief from the heat.

City

High/Low

C

High/Low

F

Conditions

Siem Reap

33

26 91 79

Thunderstorms likely

Ho Chi Minh

33

27 91 81

Scattered thunderstorms possible

Manila

33

25 91 77

Thunderstorms likely

Davao City

33

25 91 77

Scattered thunderstorms possible

Brunei

32

26 90 79

Thunderstorms likely

Singapore

32

28 90 82

Thunderstorms likely

 

 TROPICS 

As we peer out over the tropics from space, we see some pretty impressive-looking easterly waves cruising the I.T.C.Z. (Inter-Tropical Convergence Zone) superhighway. But it’s all for show, because, fortunately, there is nothing significant developing out there. These ripples of energy will help generate some clouds, showers, and thunderstorms across the vast majority of the tropical region, giving everyone a pretty decent chance for some afternoon rain.

City

High/Low

C

High/Low

F

Conditions

Guam

32

26 90 79

Mostly cloudy

Yap

32

26 90 79

Scattered thunderstorms possible

Palau

30

26 86 79

Thunderstorms likely

Chuuk

31

27 88 81

Thunderstorms likely

Pohnpei

30

24 86 75

Scattered thunderstorms possible

Majuro

30

27 86 81

Mostly cloudy

Wake

26

24 79 75

Partly cloudy

Have a way-out Wednesday!

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

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