WPAC: MANGKHUT - Post-Tropical

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Re: WPAC: MANGKHUT - Typhoon

#821 Postby supercane4867 » Sat Sep 15, 2018 8:53 pm

Sustained hurricane force winds have already been recorded in HK at many elevated stations. Highest so far is near 70kt/10-min sustained on an outlying island 270ft above sea level.
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Re: WPAC: MANGKHUT - Typhoon

#822 Postby mrbagyo » Sat Sep 15, 2018 8:59 pm

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Re: WPAC: MANGKHUT - Typhoon

#823 Postby xtyphooncyclonex » Sat Sep 15, 2018 9:01 pm

Storm surge over Tai Po, HK: Water levels are rising pretty quickly

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Re: WPAC: MANGKHUT - Typhoon

#824 Postby NotoSans » Sat Sep 15, 2018 9:34 pm

Winds over Hong Kong are DEFINITELY stronger than that brought by Hato and Vicente.
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Re: WPAC: MANGKHUT - Typhoon

#825 Postby xtyphooncyclonex » Sat Sep 15, 2018 9:55 pm

NotoSans wrote:Winds over Hong Kong are DEFINITELY stronger than that brought by Hato and Vicente.

Got this from the PTCC FB page. Do you follow that one? By the way, I think 85 kts may be on the low side.

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Re: WPAC: MANGKHUT - Typhoon

#826 Postby vbhoutex » Sat Sep 15, 2018 10:03 pm

Ubuntwo wrote:Anyone have an update on iCylcone? He last tweeted about a day ago talking about equipment and falling pressures. Looks like his location went through the northern eyewall, hoping for the best.

 https://twitter.com/iCyclone/status/1041132601694740480


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Re: WPAC: MANGKHUT - Typhoon

#827 Postby 1900hurricane » Sat Sep 15, 2018 10:05 pm

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Re: WPAC: MANGKHUT - Typhoon

#828 Postby Laurie » Sat Sep 15, 2018 10:13 pm

Not much damage from my view here. Seeing a lot of window blinds blowing around so I imagine there are windows that have been breached. The wind is definitely increasing..
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Re: WPAC: MANGKHUT - Typhoon

#829 Postby supercane4867 » Sat Sep 15, 2018 10:18 pm

Satellite presentation improved dramatically since sunrise.

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Weather station on the summit of a mountain in HK just measured wind gust up to 138kt (elevation 1850ft), while 10-min sustained wind at Waglan Island reached 97kt (elevation 270ft).
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Re: WPAC: MANGKHUT - Typhoon

#830 Postby mrbagyo » Sat Sep 15, 2018 10:20 pm

Last edited by mrbagyo on Sat Sep 15, 2018 10:45 pm, edited 1 time in total.
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Re: WPAC: MANGKHUT - Typhoon

#831 Postby mrbagyo » Sat Sep 15, 2018 10:45 pm

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Re: WPAC: MANGKHUT - Typhoon

#832 Postby euro6208 » Sat Sep 15, 2018 10:48 pm

Image

WDPN31 PGTW 160300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TYPHOON 26W (MANGKHUT) WARNING NR 37//
RMKS/
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TYPHOON (TY) 26W (MANGKHUT), LOCATED APPROXIMATELY 111 NM SOUTH-
SOUTHEAST OF HONG KONG, HAS TRACKED WEST-NORTHWESTWARD AT 18 KNOTS
OVER THE PAST SIX HOURS. THE INITIAL POSITION IS PLACED WITH GOOD
CONFIDENCE BASED ON ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI)
WHICH SHOWS A CLOUD-FILLED EYE AND A PARTIAL EYEWALL THAT IS OPEN TO
THE NORTHEAST. THE INITIAL INTENSITY IS PLACED NEAR THE MIDDLE OF
DVORAK CURRENT INTENSITY ESTIMATES RANGING FROM T4.0 TO T5.0 (65-102
KTS). TY 26W IS IN AN AREA OF LOW VERTICAL WIND SHEAR (VWS),
EXCELLENT EQUATORWARD OUTFLOW, GOOD POLEWARD OUTFLOW, AND WARM SEA
SURFACE TEMPERATURES (28 CELSIUS). THE CYCLONE IS TRACKING ALONG THE
PERIPHERY OF A DEEP-LAYERED SUBTROPICAL STEERING RIDGE (STR) TO THE
NORTH.
3. FORECAST REASONING.
A. THERE IS NO CHANGE TO THE FORECAST PHILOSOPHY FROM THE
PREVIOUS WARNING.
B. TY 26W WILL CONTINUE TO TRACK WEST-NORTHWESTWARD UNDER THE
STEERING INFLUENCE OF THE STR, MAKE LANDFALL SOUTH OF HONG KONG JUST
PRIOR TO TAU 12, AND DISSIPATE OVER LAND AROUND TAU 48. THE JTWC
TRACK FORECAST CLOSELY ALIGNS WITH TRACK GUIDANCE WHICH, ASIDE FROM
HWRF AND COAMPS-GFS, IS IN EXCELLENT AGREEMENT THROUGH TAU 24. AFTER
TAU 24, THE ECMWF MODEL DIVERGES TO THE SOUTH OF THE REMAINING
GUIDANCE. THIS MAY BE DUE TO DIFFICULTLY TRACKING THE CIRCULATION IN
THE MODEL BEYOND TAU 24. LIKEWISE, THE INTENSITY FORECAST CLOSELY
ALIGNS WITH THE INTENSITY GUIDANCE WHICH CALLS FOR STEADY TO RAPID
WEAKENING DUE TO LAND INTERACTION. BASED ON INCREASING UNCERTAINTY
BEYOND TAU 24, CONFIDENCE IN THE JTWC FORECAST TRACK IS HIGH THROUGH
TAU 24 AND FAIR AFTERWARD.//
NNNN
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Re: WPAC: MANGKHUT - Typhoon

#833 Postby NotoSans » Sat Sep 15, 2018 10:53 pm

It should be noted that HK is now being affected by northeasterly winds, and winds will turn to the southeasterly soon which will be less sheltered.
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Re: WPAC: MANGKHUT - Typhoon

#834 Postby NotoSans » Sat Sep 15, 2018 11:07 pm

Impacts brought by this typhoon likely to be historical.
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Re: WPAC: MANGKHUT - Typhoon

#835 Postby Joe_1 » Sat Sep 15, 2018 11:14 pm

Query made at 09/16/2018 04:10:16 UTC
Time interval: from 09/15/2018 03:55 to 09/16/2018 03:55 UTC
VHHH, Hong Kong International Airport (Hong Kong).
WMO index: 45007. Latitude 22-18-34N. Longitude 113-55-19E. Altitude 7 m.
METAR/SPECI from VHHH, Hong Kong International Airport (Hong Kong).
SA 16/09/2018 03:30->
METAR VHHH 160330Z 05043G59KT 1300 1100E R07R/0650N R25L/0750N
R07L/0650N R25R/0550N +SHRA FEW010 SCT025 26/24
Q0979 NOSIG=
SA 16/09/2018 03:00->
METAR VHHH 160300Z 03046G63KT 0900 0800E R07R/0650N R25L/0800N
R07L/0500N R25R/0400N +SHRA FEW012 SCT025 25/24
Q0981 NOSIG=



Sustained 46 Gusts 63 as-per metar data. No doubt there will stronger winds in some localised area's.
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Re: WPAC: MANGKHUT - Typhoon

#836 Postby xtyphooncyclonex » Sat Sep 15, 2018 11:21 pm

How is this just an 85-kt typhoon? Going by at least 100 kts would definitely suffice. It's worth noting that there have been several gusts exceeding 205 km/h (~110 kts), the highest of which is a 242 km/h (130.67 kts) at Tate's Cairn (elevated).
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Re: WPAC: MANGKHUT - Typhoon

#837 Postby shah83 » Sat Sep 15, 2018 11:41 pm

There are a lot of tweets with video...This is at least Ike level impacts. Lots of skyscraper windows lost, all sorts of thing blown about, and maybe some surge. Virtually all of reports are out of HK, so who the heck knows how the rest of the Delta is doing...
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Re: WPAC: MANGKHUT - Typhoon

#838 Postby shah83 » Sat Sep 15, 2018 11:54 pm

Kowloon seems to have been hit pretty hard with surge.
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Re: WPAC: MANGKHUT - Typhoon

#839 Postby Highteeld » Sun Sep 16, 2018 12:01 am

 https://twitter.com/ricedaddy7/status/1041175156104863744




Damn. This still is packing a punch.
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Re: WPAC: MANGKHUT - Typhoon

#840 Postby Joe_1 » Sun Sep 16, 2018 12:09 am

975 hPa
The latest aviation weather report at the Hong Kong International Airport issued by the Hong Kong Observatory at 12:45 HKT on 16 Sep 18
SPECI VHHH 160445Z 07059G81KT 1200 0900W R07R/0400N R25L/0450N R07L/0450N R25R/0375N +SHRA FEW010 SCT025 27/24 Q0975 NOSIG=

http://www.hko.gov.hk/aviat/wxobs_decode_e.htm
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