Archive | August 16, 2016

CHANTHU SKIRTS JAPAN WITH GALE FORCE WINDS AND HEAVY RAINS

Tropical Storm Chanthu continues to track north this morning after making landfall in Chiba Prefecture overnight. Max winds at landfall were reported Chosi, Chiba along the coast up to 50kts or 93kph. Haneda airport in Tokyo is located along Tokyo bay and seen a wind gust of 85kph around 4AM.

flood

Haneda airport had a few flights delayed overnight, but now conditions are improving and flights are getting back underway.

 

Landfall Look At Radar around 0330JST

Landfall Look At Radar around 0330JST

Travel delays for commuters and train passengers in Northern Japan continue to take place. The Yamagata Shinkansen has been closed due to the rough weather.  Over 160 train lines in Hokkaido have also been suspended ahead of the storm.

 

In Ibaraki Prefecture just north of Chiba and close to where the storm came on shore 1,500 homes lost power. TEPCO quickly resolved and restore power by morning. Speaking of TEPCO the storm also moved over the crippled Fukushima Daichi Nuclear Power Plant. Nothing unusual was reported and activity remains the same today.

 

The storm is not over yet, in fact it intensified overnight after moving over the Kurioshio current a band of warm sea surface temperatures much like the gulf stream in the US.  Radar images indicated a organized low level center as it neared Japan resulting in JMA upgrading the winds from 35kts to 45kts.

JTWC TRACK

The storm is still expected to track north through Tohoku bringing heavy rains and the threat of flooding. Landslides are also a threat, much of Fukushima prefecture is under a landslide warning due to the heavy rains which have been hitting the last few hours.  The volcanic soil of central Japan can be prone to landslide if water logged.

 

Overnight Wednesday in to Thursday conditions should improve across most of Japan as Chanthu tracks north. Behind it hot and humid conditions will dominate most of the country. This could trigger some afternoon thunderstorms but also does usher in the threat of heat stroke.

 

Daily weather brief – Tuesday, August 16, 2016

NWPAC outlook, 16 AUG

NWPAC outlook, 16 AUG

NORTH

Residents of central Japan’s Pacific coast will deal with the effects of Tropical Storm 09W CHANTHU as it slides by about 150km offshore. Gusty winds have already been reported across portions of the outer islands, and clouds, wind, and rain will increase during the day in Tokyo and areas to the north. Dangerous heat continues over interior portions of central China, as heat indices approach catastrophic levels near 48C (118F) this afternoon. In the north, cooler air has settled in, bringing a light feel of autumn to the area.

City

High/Low

C

High/Low

F

Conditions

Ulaanbaatar

26

13 79 55

Mostly cloudy

Vladivostok

26

19 79 66

Thunderstorms possible

Beijing

32

22 90 72

Mostly fair

Seoul

33

23 91 73

Scattered thunderstorms possible

Tokyo

29

25 84 77

TROPICAL STORM CONDITIONS

Xi’an

42

28 108 82

Partly cloudy & VERY HOT

Shanghai

33

27 91 81

Partly cloudy

 

CENTRAL

Plentiful moisture and tropical energy lingering in the northern South China Sea will help generate afternoon showers and thunderstorms across the central region, especially over coastal areas of southeastern China. The tropical energy extends to the west over southern china as well, so heavy showers and thunderstorms are possible, with flooding rain and potential landslides in the higher elevations.

City

High/Low

C

High/Low

F

Conditions

Kunming

23

15 73 59

Thunderstorms likely

Hong Kong

29

27 84 81

Thunderstorms likely

Taipei

34

27 93 81

Scattered thunderstorms possible

Naha

31

27 88 81

Scattered thunderstorms possible

Hanoi

30

26 86 79

Thunderstorms likely

 

SOUTH

A strong monsoonal flow continues to bring in moisture and heavy rainfall to the western coastal provinces of northern Luzon in the Philippines today. Weak, slowly-developing low pressure systems on either side of the island should help increase the flow of moisture through the day and into tomorrow. The situation remains, um, fluid, at the moment due to the uncertainty of the very volatile atmospheric conditions over the region, however, a significant rainfall event for the entirety of the western coast of Luzon is anticipated before things clear up in a week or so. Elsewhere across the south region, deep, tropical moisture and abundant, warm sunshine will help stir up some afternoon showers and thunderstorms for most locations.

City

High/Low

C

High/Low

F

Conditions

Siem Reap

33

26 91 79

Scattered thunderstorms likely

Ho Chi Minh

32

26 90 79

Thunderstorms likely

Manila

29

26 84 79

Thunderstorms likely

Davao City

32

26 90 79

Scattered thunderstorms possible

Brunei

33

26 91 79

Partly cloudy

Singapore

31

27 88 81

Thunderstorms likely

 

TROPICS

Tropical Storm 09W CHANTHU will make a sideswipe pass at the central coast of Japan today and tomorrow, bringing storm conditions to Tokyo and points north over the next 48 hours. CHANTHU should begin extra-tropical transition in a short time, and move up into the polar maritimes in the coming days. For more on the local effects expected in Japan, please check out the full report by Meteorologist Robert Speta.

09W full, 16 AUG

09W full, 16 AUG

Three other areas of interest greet us this morning in the form of 95W, 96W, and 97W INVEST areas. 95W is hanging around off the coast of southeastern China, with little development expected. 96W is far southeast of CHANTHU, and is more of a surface reflection of a HUGE T.U.T.T. (Tropical Upper-Tropospheric Trough) just to the west. Most systems this year have spawned from upper-level low pressure areas, and this system could be no exception. The last area, 97W, is a very weak wisp of clouds just moving into the region from the east. Development off this area is not expected within the next 24 hours.

INVESTS full, 16 AUG

INVESTS full, 16 AUG

Elsewhere across the tropics, lots of tropical moisture and weak ripples of energy will combine with the warm afternoon sunshine to help generate showers and thunderstorms across most locales.

City

High/Low

C

High/Low

F

Conditions

Guam

28

26 82 79

Thunderstorms likely

Yap

30

26 86 79

Scattered thunderstorms likely

Palau

30

27 86 81

Thunderstorms likely

Chuuk

31

27 88 81

Mostly cloudy

Pohnpei

29

23 84 73

Scattered thunderstorms likely

Majuro

28

27 82 81

Scattered thunderstorms likely

Wake

28

27 82 81

Scattered thunderstorms likely

 

Have a terrific Tuesday!

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

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