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Daily weather brief – Wednesday, August 24, 2016

NWPAC outlook, 24 AUG

NWPAC outlook, 24 AUG

NORTH

Signs of the coming changes in seasons are evident across the north region, as intense heat once again settles over interior portions of central China, and cool, autumn-like temperatures settle over parts of Mongolia and northern China. Heat indices could approach 44C (111F) in Xi’an and surrounding locales this afternoon. Lingering moisture from 10W will bring a few showers to Japan this afternoon, and a few sprinkles will fall across Mongolia as the warm, moist air overrides the cooler air at the surface.

City

High/Low

C

High/Low

F

Conditions

Ulaanbaatar

13

3 55 37

Scattered showers likely

Vladivostok

24

22 75 72

Partly cloudy

Beijing

33

24 91 75

Mostly fair

Seoul

33

23 91 73

Partly cloudy

Tokyo

30

25 86 77

Scattered thunderstorms possible

Xi’an

39

27 102 81

Partly cloudy & HOT

Shanghai

33

26 91 79

Partly cloudy

 

CENTRAL

Attention in the central region, especially the Ryukyu Islands, is focused on Typhoon 12W LIONROCK as it meanders to the east. Model solutions are still varied on this system, so the future is uncertain. Elsewhere across the region, a few scattered thunderstorms will pop up in the high country of south-central China, and a few afternoon thunderstorms are likely in Taiwan as well.

City

High/Low

C

High/Low

F

Conditions

Kunming

27

15 81 59

Scattered thunderstorms possible

Hong Kong

33

27 91 81

Partly cloudy

Taipei

34

27 93 81

Scattered thunderstorms possible

Naha

32

28 90 82

Partly cloudy

Hanoi

34

25 93 77

Partly cloudy

 

SOUTH

A tropical wave is moving into the Southeast Asian peninsula today, increasing rain chances across Vietnam, Cambodia, Laos, and Thailand. The Philippines will see fewer showers today as most of the energy in the region is located elsewhere. The air is a bit drier to the south over Indonesia, while Singapore and Malaysia will see the usual serving of afternoon storms.

City

High/Low

C

High/Low

F

Conditions

Siem Reap

31

26 88 79

Thunderstorms likely

Ho Chi Minh

32

26 90 79

Thunderstorms likely

Manila

31

27 88 81

Scattered thunderstorms possible

Davao City

33

26 91 79

Partly cloudy

Brunei

34

25 93 77

Partly cloudy

Singapore

31

26 88 79

Thunderstorms likely

 

TROPICS

12W full, 24 AUG

TAAG, 24 AUG

We still have three systems on the books out in the tropics, with Typhoon 12W LIONROCK guarding the gates to the west, and Tropical Depression 14W and 92W INVEST fighting it out in the east to determine who gets the moisture to form.

Typhoon 12W LIONROCK was designated at its current status overnight. A very compact system, LIONROCK is at that sweet spot where SST’s (Sea-Surface Temperatures) are good, and Coriolis effects are strong, to help get that spin going. Fortunately, much of the moisture in the region has been trucked out by the three previous systems, or we could have a monster on our hands. In any case, model solutions are still all over the place with this thing, but it is looking more unlikely that any land areas will be affected by this system, other than a few passing thunderstorms in the Ryukyu Islands and southern Japan.

12W full, 24 AUG

12W full, 24 AUG

Tropical Depression 14W was designated yesterday, but I think officials may have jumped the gun a bit on this one. Although it was looking rather impressive, it has since had much of its moisture stolen by a system to the north-northeast, 92W INVEST. I am certain these two areas will merge into a singular system, but don’t be surprised if J.T.W.C. (Joint Typhoon Warning Center) and J.M.A. (Japan Meteorological Agency) relocated TD14W a bit farther to the NNE before the day is done.

14W full, 24 AUG

14W full, 24 AUG

The aforementioned 92W INVEST is situated very close to TD14W, northeast of the Mariana Islands. This system will likely merge with 92W in the coming hours.

92W, 24 AUG

92W, 24 AUG

Elsewhere across the tropics, Guam has been seeing a lot of rain lately, which is causing some flooding issues on the island. High waves are also battering the shores as tropical systems keep popping up nearby, stirring up the water. The rest of the region will see plentiful moisture and energy translate into afternoon showers and thunderstorms.

City

High/Low

C

High/Low

F

Conditions

Guam

30

26 86 79

Scattered thunderstorms likely

Yap

30

27 86 81

Mostly cloudy

Palau

29

28 84 82

Scattered thunderstorms likely

Chuuk

32

27 90 81

Partly cloudy

Pohnpei

28

22 82 72

Scattered thunderstorms likely

Majuro

29

27 84 81

Scattered thunderstorms likely

Wake

29

27 84 81

Partly cloudy

 

Have a wonderful Wednesday!

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

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