Weekend weather brief – January 14/15, 2017

NWPAC outlook, 14/15 JAN

NORTH

A complex weather scenario will play out over the eastern third of the north region as a nearly-stationary, and very strong, upper-level low pressure system spins over southeastern Russia. This system will push down waves of cold air and instability over the southeastern Russia, and especially Japan, where the sea-effect snow machine is running at full speed. From Hokkaido south to central Honshu along the Sea of Japan, and especially over the higher terrain of central Honshu, epic amounts of snowfall will settle in as this weather situation plays out over the weekend. Many areas are under avalanche advisories as the heavy snow accumulates along the steep mountain slopes. To the south and west, conditions are cold, but better, as high pressure dominates these locales. Air quality in Beijing will be decent today, but will start to deteriorate as the weekend progresses. Temperatures will be frigid across the northern third of the region and quite chilly in the lower two-thirds with afternoon highs remaining in the single digits C (30’s-40’s F).

City

Sat High

C        F

Sun High

C        F

Conditions

Sat                          Sun

Ulaanbaatar -16 3 -19 -2 Mostly fair Partly cloudy
Vladivostok -8 18 -5 23 Mostly cloudy Mostly cloudy
Beijing 2 36 2 36 Mostly fair Partly cloudy
Seoul -4 25 1 34 Mostly fair Mostly fair
Tokyo 6 43 5 41 Partly cloudy Mostly fair
Shanghai 8 46 7 45 Partly cloudy Mostly cloudy

 

CENTRAL

Moisture streaming in from the southwest which is helping to fuel the complex weather scenario to the north will also bring about significant cloud cover and shower activity over the central region through the weekend. Aside from mostly fair conditions over the higher terrain of south-central China, the remainder of the region will see a gloomy weather situation play out. Temperatures will remain mild, ranging from the mid-teens to lower 20’s C (low 60’s to near 70 F) but with the lack of sunshine, it will feel a bit clammy and chilly across most of the region.

City

Sat High

C        F

Sun High

C        F

Conditions

Sat                         Sun

Kunming 17 63 17 63 Mostly fair Mostly fair
Hong Kong 16 61 18 64 Sctd. showers Mostly cloudy
Taipei 16 61 16 61 Periods of rain Sctd. showers
Naha 17 63 17 63 Mostly cloudy Sctd. showers
Hanoi 21 70 21 70 Mostly cloudy Mostly cloudy

 

SOUTH

Moisture associated with what remains of TD01W will affect southern Indochina through the weekend as the system falls apart and spreads moisture westward across the peninsula through the weekend. Tropical moisture from the rapidly-decaying 97W INVEST near the Philippines will also bring about scattered showers and thunderstorms to the central and northern provinces of the archipelago. Deep tropical moisture remains locked in over the southern half of the region, and will help generate scattered showers and thunderstorms over many of these locales. Temperatures will be quite warm as afternoon highs climb into the lower 30’s C (upper 80’s to near 90 F) region-wide.

City

Sat High

C        F

Sun High

C        F

Conditions

Sat                         Sun

Siem Reap 33 91 32 90 Sctd. showers Mostly cloudy
Ho Chi Minh 30 86 29 84 Sctd. t-storms Thunderstorms
Manila 31 88 29 84 Partly cloudy Mostly cloudy
Davao City 32 90 32 90 Sctd. t-storms Sctd. t-storms
Brunei 33 91 31 88 Sctd. t-storms Sctd. t-storms
Singapore 31 88 32 90 Sctd. t-storms Thunderstorms

 

TROPICS 

01W and 97W INVEST continue to deteriorate as the tropics quiet down region-wide…

TAAG, 14 JAN

Although still listed as a tropical depression on the J.M.A. (Japan Meteorological Agency) surface map, what remains of 01W is falling apart just east of Vietnam and is spreading moisture to the west over southern Indochina and to the northeast along a fading surge boundary over the northern South China Sea. This system will continue to break down and feed moisture into the area through the weekend. What remains of 97W INVEST is doing much of the same to portions of the central Philippines, as much of the moisture from this system is being ejected to the northeast by an incoming continental surge to the north. Overall, both systems are expected to carry on with a general downward trend for the foreseeable future, but will bring rainfall to the affected areas as the remnant moisture keeps moving generally to the east as the seasonal northeast monsoon pushes it along.

01W/97W full, 14 JAN

The remainder of the region will see a mix of sunshine, clouds, and few scattered thunderstorms as pockets of moisture get heated up by the ever-increasing afternoon sunshine. Temperatures will be uniformly mild across the region, with highs generally in the upper 20’s to low 30’s C (mid to upper 80’s F). For more information on this system, please refer to the “Western Pacific Tropical Update” by meteorologist Mike Adcock on this site.

City

Sat High

C        F

Sun High

C        F

Conditions

Sat                         Sun

Guam

31

88 29 84 Sctd. t-storms

Thunderstorms

Yap

29

84 29 84 Partly cloudy

Sctd. t-storms

Palau

31

88 29 84 Partly cloudy

Partly cloudy

Chuuk

31

88 29 84 Partly cloudy

Sctd. t-storms

Pohnpei

30

86 29 84 Partly cloudy

Thunderstorms

Majuro

29

84 28 82 Sctd. t-storms

Sctd. t-storms

Wake

28

82 27 81 Partly cloudy

Mostly fair

 

Have a wonderful weekend!

Courtesy: CIMSS, Tropical Tidbits, Intellicast, WUnderground.com, NRL, JMA, JTWC

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