WPAC: JEBI - Post-Tropical

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mrbagyo
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Re: WPAC: JEBI - Typhoon

#281 Postby mrbagyo » Sun Sep 02, 2018 11:48 pm

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Re: WPAC: JEBI - Typhoon

#282 Postby mrbagyo » Mon Sep 03, 2018 8:10 pm

Pressure in Muroto is down to 960.3 hpa - 35.7 m/s sustained wind.

BT pressure of 961 hpa is trash. lol
25W JEBI 180904 0000 32.3N 133.6E WPAC 75 961
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Re: WPAC: JEBI - Typhoon

#283 Postby 1900hurricane » Mon Sep 03, 2018 8:30 pm

mrbagyo wrote:Pressure in Muroto is down to 960.3 hpa - 35.7 m/s sustained wind.

BT pressure of 961 hpa is trash. lol
25W JEBI 180904 0000 32.3N 133.6E WPAC 75 961

The current SATCON estimate is 20 mb lower. I doubt it's that low, but yeah, best track is a bit too high.
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Re: WPAC: JEBI - Typhoon

#284 Postby NotoSans » Mon Sep 03, 2018 8:57 pm

JMA’s intensity estimate of 945mb/85KT is very close to reality I would say.
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Re: WPAC: JEBI - Typhoon

#285 Postby mrbagyo » Mon Sep 03, 2018 9:30 pm

Muroto recorded 955.3 mb outside the eye -16.4 m/s
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Re: WPAC: JEBI - Typhoon

#286 Postby 1900hurricane » Mon Sep 03, 2018 9:38 pm

I might go 950-951 mb based on that.
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Re: WPAC: JEBI - Typhoon

#287 Postby NotoSans » Tue Sep 04, 2018 12:29 am

Lnadfall intensity 950mb/85kt according to JMA. Record-breaking wind speed reported from various weather stations near Osaka and Wakayama.
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Re: WPAC: JEBI - Typhoon

#288 Postby mrbagyo » Tue Sep 04, 2018 1:56 am

Gust above 50 m/s

Kansai Int'l Airport - 58.1m/s (SSW) - 13:38
Wakayama - 57.4 m/s (SSW) - 13:19
Muroto-Misaki - 55.30 m/s (W) - 11:53
Tomogashima - 51.8 m/s (S) - 13:14
Kumatori - 51.2 m/s (S) - 13:40
Hiwasa - 50.3 m/s (E) - 11:05

Pressure below or equal to 960 hpa

Muroto-Misaki - 955.3 hpa
Sumoto - 955.4 hpa
Kobe- 959.4 hpa
Kansai Intl Airport - 959.97 hpa
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Re: WPAC: JEBI - Typhoon

#289 Postby NotoSans » Tue Sep 04, 2018 2:00 am

Record-breaking storm surge reported from Osaka as well. Possibly the strongest storm affecting this region since Nancy’61.
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Re: WPAC: JEBI - Typhoon

#290 Postby mrbagyo » Tue Sep 04, 2018 2:19 am

NotoSans wrote:Record-breaking storm surge reported from Osaka as well. Possibly the strongest storm affecting this region since Nancy’61.



Yeah, Kansai Intl airport is underwater
A ship collided to a bridge.

 https://twitter.com/zagimu/status/1036852888289431552


Last edited by mrbagyo on Tue Sep 04, 2018 2:50 am, edited 1 time in total.
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Re: WPAC: JEBI - Typhoon

#291 Postby doomhaMwx » Tue Sep 04, 2018 2:22 am

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Re: WPAC: JEBI - Typhoon

#292 Postby NotoSans » Tue Sep 04, 2018 5:52 am

Maximum sustained winds of 90.4 knots (10-minute average) were recorded in Kansai International Airport but such a high wind speed may be attributed to channeling effect. Nevertheless, landfall intensity estimate from JTWC is likely too low.
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Re: WPAC: JEBI - Typhoon

#293 Postby 1900hurricane » Tue Sep 04, 2018 6:27 am

Using KZC, I get a 90-95 kt 1 minute wind estimate with the estimated 950 mb pressure and other inputs from JTWC, which seems reasonable to possibly a little low based on surface obs.
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Re: WPAC: JEBI - Typhoon

#294 Postby NotoSans » Tue Sep 04, 2018 6:40 am

mrbagyo wrote:
NotoSans wrote:Record-breaking storm surge reported from Osaka as well. Possibly the strongest storm affecting this region since Nancy’61.



Yeah, Kansai Intl airport is underwater
A ship collided to a bridge.

 https://twitter.com/zagimu/status/1036852888289431552




The bridge is the only way to get to the airport from Osaka. Looks like some severe disruption to air traffic in the nearby region.
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Re: WPAC: JEBI - Typhoon

#295 Postby mrbagyo » Tue Sep 04, 2018 7:41 am

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Re: WPAC: JEBI - Typhoon

#296 Postby NotoSans » Tue Sep 04, 2018 8:07 am

According to JMA, Jebi is the first typhoon since Yancy'93 making landfall over the Japanese main islands with sustained winds of 85KT+. Yancy made landfall over Kyushu with sustained winds of 95KT.
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Re: WPAC: JEBI - Typhoon

#297 Postby NotoSans » Tue Sep 04, 2018 8:23 am

Lowest SLP recorded in Japan was 953.0 hPa from Muroto-misaki.
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Re: WPAC: JEBI - Typhoon

#298 Postby 1900hurricane » Tue Sep 04, 2018 9:42 am

NotoSans wrote:According to JMA, Jebi is the first typhoon since Yancy'93 making landfall over the Japanese main islands with sustained winds of 85KT+. Yancy made landfall over Kyushu with sustained winds of 95KT.

What landfall intensity does JMA have Goni '15 at? I thought that was an 85 or 90 kt landfall in west Kyushu.
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Re: WPAC: JEBI - Typhoon

#299 Postby 1900hurricane » Tue Sep 04, 2018 9:48 am

SATCON seemed to do very well actually with landfall intensity. The 0230Z intensity estimate was 94 kt (one minute)/948 mb, which lines up pretty well with the JMA estimate and appears much better than the one from JTWC. It's interesting to note that SATCON was consistently much higher than the JTWC estimates after peak intensity all the way until landfall.

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Re: WPAC: JEBI - Typhoon

#300 Postby mrbagyo » Tue Sep 04, 2018 9:51 am

1900hurricane wrote:
NotoSans wrote:According to JMA, Jebi is the first typhoon since Yancy'93 making landfall over the Japanese main islands with sustained winds of 85KT+. Yancy made landfall over Kyushu with sustained winds of 95KT.

What landfall intensity does JMA have Goni '15 at? I thought that was an 85 or 90 kt landfall in west Kyushu.


According to JMAs database (Digital Typhoon), Goni was 85 knots / 945hpa before smashing into Kyushu
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