TD ex-WIPHA (WPAC) - LANDFALL
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
It's a direct hit on Iriomote-jima. The eye is centered over the S half of the island.
Latest IR image
Latest IR image
Last edited by MiamiensisWx on Mon Sep 17, 2007 7:29 pm, edited 1 time in total.
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- WindRunner
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
It definately makes you think that either that reading is surprisingly inaccurate or else there is a far lower central pressure in Wipha than we thought, like well into the 91-somethings . . .
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
With the fact that the pressure is lower over the western Pacific and this system is likely close to a cat5 now. I would say it is very likely this has pressure near 915 or lower.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Current Intensity Analysis
UW - CIMSS
ADVANCED DVORAK TECHNIQUE
ADT-Version 7.2.1
Tropical Cyclone Intensity Algorithm
----- Current Analysis -----
Date : 17 SEP 2007 Time : 230000 UTC
Lat : 24:18:51 N Lon : 123:41:33 E
CI# /Pressure/ Vmax
6.8 / 904.4mb/134.8kt
6hr-Avg T# 3hr-Avg T# Adj T# Raw T#
6.8 6.8 6.9 6.9
Latitude bias adjustment to MSLP : -0.0mb
Estimated radius of max. wind based on IR : 21 km
Center Temp : +11.4C Cloud Region Temp : -75.3C
Scene Type : EYE
Positioning Method : RING/SPIRAL COMBINATION
Ocean Basin : WEST PACIFIC
Dvorak CI > MSLP Conversion Used : PACIFIC
Tno/CI Rules : Constraint Limits : NO LIMIT
Weakening Flag : OFF
Rapid Dissipation Flag : OFF
UW - CIMSS
ADVANCED DVORAK TECHNIQUE
ADT-Version 7.2.1
Tropical Cyclone Intensity Algorithm
----- Current Analysis -----
Date : 17 SEP 2007 Time : 230000 UTC
Lat : 24:18:51 N Lon : 123:41:33 E
CI# /Pressure/ Vmax
6.8 / 904.4mb/134.8kt
6hr-Avg T# 3hr-Avg T# Adj T# Raw T#
6.8 6.8 6.9 6.9
Latitude bias adjustment to MSLP : -0.0mb
Estimated radius of max. wind based on IR : 21 km
Center Temp : +11.4C Cloud Region Temp : -75.3C
Scene Type : EYE
Positioning Method : RING/SPIRAL COMBINATION
Ocean Basin : WEST PACIFIC
Dvorak CI > MSLP Conversion Used : PACIFIC
Tno/CI Rules : Constraint Limits : NO LIMIT
Weakening Flag : OFF
Rapid Dissipation Flag : OFF
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
I hope people are situated inside concrete shelters. This is an amazing visible image.
Latest visible image (NRL)
An intensifying Wipha (and its eyewall) has struck Iriomote-jima.
Latest visible image (NRL)
An intensifying Wipha (and its eyewall) has struck Iriomote-jima.
Last edited by MiamiensisWx on Mon Sep 17, 2007 7:29 pm, edited 2 times in total.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Who ever is on that island is likely in the middle of a 135-140 knot Typhoon. I think it coulds strengthen even more to around 145-150 knots by 12 hours.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Notice the winds shifted from nne to ne on their last 2 obs. Probably right on the edge of the eye. Once they enter eye pressure will level-off, I'm guessing low to mid 920s at the center. It's about a 25 mile wide eye so pressure shouldn't drop much when they go through the eye unlike a much tighter eye say 10 miles across.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
MiamiensisWx wrote:I hope people are situated inside concrete shelters. This is an amazing visible image.
Latest visible image (NRL)
An intensifying Wipha (and its eyewall) has struck Miyakojima.
Wiki article on Miyakojima: http://en.wikipedia.org/wiki/Miyako-jima
Population is around 56,000.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Darn a borderline cat5 just hit a island with 56,000 people.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
I also thought it was directly landfalling Miyaka Jima but I found out that island is well NE of the island the eye just passed over. I'm not sure if the other islands are as populated but certainly were hit hard.Ill
try to find a map that names those islands and post it.
try to find a map that names those islands and post it.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Dave C wrote:I also thought it was directly landfalling Miyaka Jima but I found out that island is well NE of the island the eye just passed over. I'm not sure if the other islands are as populated but certainly were hit hard.Ill
try to find a map that names those islands and post it.
Oh, sorry. Thanks for the heads-up.
The island is not Miyakojima... it is Iriomote. http://en.wikipedia.org/wiki/Iriomote
Population is less than 2000.
Here are all the Ryukyu Islands. http://en.wikipedia.org/wiki/Ryukyu
However, the island just to the northeast, has a population of 44,000.
Last edited by wxmann_91 on Mon Sep 17, 2007 7:30 pm, edited 1 time in total.
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Matt-hurricanewatcher wrote:
Looks as bad as Felix and Dean.
I still think at the point when felix was rapidly intensifying and just reached cat 5, its "donut" core was even more perfectly symmetrical
felix:
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
The island that has the 44,000 population was in the north eyewall especially the southern portion of the island. Surely the worst place to be, at least Miyaka Jima was spared the worse. Can someone show how to convert the m/s to miles per hr. Thanks!
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Dave C wrote:The island that has the 44,000 population was in the north eyewall especially the southern portion of the island. Surely the worst place to be, at least Miyaka Jima was spared the worse. Can someone show how to convert the m/s to miles per hr. Thanks!
1 meter / second = 2.23693629 mph
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Re: Typhoon WIPHA (0712) E of Taiwan (WPAC)
Ohara Observations...
0000Z...
Winds: SSW @ 39 m/s
0100Z...
Winds: SSW @ 28 m/s
0100Z Iriomotejima Observations...
Winds: SSE @ 30 m/s
Pressure: 955.5 hPa
0000Z...
Winds: SSW @ 39 m/s
0100Z...
Winds: SSW @ 28 m/s
0100Z Iriomotejima Observations...
Winds: SSE @ 30 m/s
Pressure: 955.5 hPa
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