Archive | July 7, 2016

Typhoon Nepartak Landfall Update

Typhoon Nepartak has made landfall in South East Taiwan as a Violent Typhoon with winds gusting near up to 256kph in Lanyu Island.  Already we have seen reports of damage in Taitung where the storm came shore around 0500TST.

Key Points

    • Numerous flights in and out of Taipei and across the island have also been cancelled halting travel over pretty much the entire island.
    • Max wind gust have been seen in Lanyu up to 256kph. That is at a higher elevation though, Taitung near sea level in SE Taiwan reported 200kph.  report
    • Follow James Reynolds @earthuncuttv and Josh Morgerman (Facebook icyclone) on Twitter and Facebook. They are some of the worlds most experienced storm chasers and will be documenting the inside of this Super Typhoon.


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  • Ishigaki and Miyako Jima have also been side swiped by the storm. Max winds reported here is up to 76kph.  Good news these islands are built for these kind of storms but the storm will be keeping people hunkered down through Friday afternoon.
  • The mountains of Taiwan continue to do their classic job of squeezing out the moisture from the storm. With peaks nearly 3,000 meters high this range stops nearly all the rainfall from crossing the island.  mountain

Check out the latest sat imagery at this link. 

Latest JMA WARNING HERE.

Landslides are always a major problem with land falling storms in Taiwan, often coastal roads can be blocked and impassible especially just north of Hualien City along the east coast. The photo below shows where the highest threats of flooding and landslides are located.

Landslide and Flood Threat

Landslide and Flood Threat

This is a look at the radar image from Nepartak as it made landfall.

radar

 

 

 

LOW PRESSURE BUOY REPORT

A buoy off the east coast of Taiwan reported a low pressure of  897hpa. If this is validated JMA may need to re-analyze the lowest pressure on the storm from the lowest of 900hpa.

Buoy

Landfall in China

The storm very well could re-intensify over the Taiwan Strait before slamming in to Fujian and then tracking north along the China East Coast. This is extremely problematic as that entire area continues to deal with flooding from the rainy season front this past month. This past week alone over 120 people have died and millions have been effected by the floods.

chian

The ground obviously already Saturday and with rivers overflowing additional rainfall will only spell for additional flooding. Especially for those locations in the Yangzi river basin.

Record Breaking Late Start to the Tropical Season

Record Breaking Late Start to the Tropical Season

Record Breaking Slow Season

Despite this storm being so strong we have seen one of the longest streaks with no Typhoons in Recorded history and also the second latest named storm to ever form in the basin this year.

Conditions have just not been favorable for storm development with high shear really tearing apart any storms that even had a idea of forming in to a named system. This has a lot to do with the dynamics in the West Pacicic and how the atmosphere has been changing from a El Nino State to a La Nina one. Regardless it sure has made for some unusually calm weather recently. Especially coming off of the record breaking 2015 Typhoon Season.

Daily update- Thursday, July 7, 2016

NWPAC outlook, 07 JUL

NWPAC outlook, 07 JUL

ALL eyes in the NWPAC are on Super Typhoon NEPARTAK (Butchoy) as it bears down on Taiwan and eastern China, ready to impact much of the north and central regions. The south region will see monsoonal effects from this storm with lots of heavy rain in the Philippines, while the tropics give us NEPARTAK, but not much else right now.

 NORTH

With a general lack of inclement weather across much of the north region today, we will keep this segment rather short. Some rainfall is still possible today in parts of eastern China, but it looks like flooding rain will not show up…today. Howewver, as NEPARTAK makes landfall over Taiwan and the southeastern Chinese coast late tonight and tomorrow, incessant flooding rain is likely once again for these areas. Super Typhoon NEPARTAK (Butchoy) is the big news as it bears down on southeastern China. I’ll have more on this in the rest of today’s report.

City

High/Low

C

High/Low

F

Conditions

Ulaanbaatar

27

13 81 55

Scattered showers likely

Vladivostok

24

15 75 59

Mostly fair

Beijing

34

21 93 70

Mostly fair

Seoul

29

21 84 70

Partly cloudy

Tokyo

31

23 88 73

Mostly fair

Xi’an

35

26 95 79

Partly cloudy

Shanghai

29

25 84 77

Scattered thunderstorms likely

 

CENTRAL

Super Typhoon NEPARTAK, also named ’Butchoy’ by the Philippines’ state weather agency PAGASA, is bearing down on Taiwan this morning, and radar out of Taiwan is already seeing the incredible structure of the storm. NEPARTAK is expected to make landfall late tonight somewhere along the southeastern coast of Taiwan. This is a dangerous storm, and residents of Taiwan and southeastern China should be making last-minute verifications on their preparations and getting ready to hunker down for the ride. In southeastern mainland China, the effects will be delayed into tomorrow, but coastal areas will see an increase in clouds, showers, and winds as we go through the day today. Another feature to note is the confluence located to the northeast, which will bring some showers and thunderstorms to the Ryukyu Islands. I’ll have more details on NEPARTAK in the ‘tropics section of this report. Elsewhere across the central region, tropical moisture is well established and the warm afternoon sun will lift this moisture up into scattered showers and thunderstorms later this afternoon.

City

High/Low

C

High/Low

F

Conditions

Kunming

24

16 75 61

Scattered thunderstorms likely

Hong Kong

33

28 91 82

Scattered thunderstorms likely

Taipei

32

27 90 81

Increasing clouds/PM TYPHOON

Naha

30

28 86 82

Thunderstorms likely

Hanoi

31

26 88 79

Thunderstorms likely

 

SOUTH

As Super typhoon NEPARTAK (Butchoy) moves out of the south region, we see a strong southwesterly feed setting up over the Philippines starting later this afternoon, which will lead to incessant ‘habagat’ rainfall through the weekend. These rainfall events are historic in nature, many times, and whereas current forecasts are not showing that kind of rainfall, there will be very heavy rain, gusty winds, and localized flooding in parts of the Philippines, especially in provinces along the western seaboard of Luzon, and in the western islands of the Visayas. Residents of the higher elevations in these provinces need to be alert for flash flooding and possible landslides. An area of confluence associated with NEPARTAK is located near the southern Philippines, and will greatly enhance rainfall chances there through the day. Elsewhere across the region, deep tropical moisture is settled in and will get a nice lift from the warm afternoon sun for a round of afternoon showers and thunderstorms for most locations.

City

High/Low

C

High/Low

F

Conditions

Siem Reap

30

24 86 75

Thunderstorms likely

Ho Chi Minh

32

24 90 75

Thunderstorms likely

Manila

29

25 84 77

Thunderstorms likely

Davao City

31

24 88 75

Scattered thunderstorms possible

Brunei

32

24 90 75

Partly cloudy

Singapore

32

27 90 81

Scattered thunderstorms possible

 

TROPICS

Super Typhoon NEPARTAK, also named ‘Butchoy’ by the Philippines’ state weather agency PAGASA, is bearing down on Taiwan today, and bringing rain to locales far to the northeast and southwest. What many are calling the ‘perfect storm’ is presenting a very dangerous scenario for residents of Taiwan, who will take the full brunt of the storm later tonight. Here’s the latest statistics on STY02W NEPARTAK (Butchoy):

NEPARTAK-full-070716

NEPARTAK-full-070716

TY 02W NEPARTAK (Butchoy)

J.M.A. 0500 PST

Position: 20.7N, 125.6 E

Location: 320mi (515km) east-southeast of Taitung City, Taiwan

Pressure: 900 hPa

Movement: WNW at 25kph

Winds: 213kph with gusts to 306kph

Strength: Super Typhoon (CAT 5 equivalent on the Saffir-Simpson scale)

 

NEPARTAK (Butchoy) is expected to continue to move quickly to the west-northwest, making landfall late this evening along the southeastern coast of Taiwan. This system will be a deadly storm when it makes landfall, and confirmation of final preparations should be underway NOW in Taiwan, with final preparations nearing completion in southeastern China. As with all systems that track in this way, a feed of moisture from the southwest will slowly roll over the Philippines as the storm approaches Taiwan and moves into southeastern China. In the Philippines, this is known as the ‘hanging habagat’, and it is expected to dump heavy amounts of rainfall, especially over portions of the Visayas and western Luzon starting later today, through this weekend, and through the early part of next week. Significant flooding is likely in many locations of the Philippines, especially in the Metro Manila area where dense population coupled with generally weak drainage infrastructure often lead to historic flooding events. Stay with here at esternPacificeather.com for all the latest details on this dangerous situation. Elsewhere across the tropics, a few weak waves are rolling along the I.T.C.Z. (Inter-Tropical Convergence Zone) bringing a good chance for showers and thunderstorms to most locations in the region. Long-range computer models are not showing any development in the coming days, but that can change in a hurry this time of year. We will keep an eye on things for you.

City

High/Low

C

High/Low

F

Conditions

Guam

31

27 88 81

Scattered thunderstorms possible

Yap

32

26 90 79

Partly cloudy

Palau

30

27 86 81

Scattered thunderstorms possible

Chuuk

30

26 86 79

Scattered thunderstorms possible

Pohnpei

32

26 90 79

Scattered thunderstorms possible

Majuro

30

26 86 79

Scattered thunderstorms possible

Wake

30

26 86 79

Partly cloudy

Have a thrilling Thursday!

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

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