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[强度专题]斐济钦定Winston巅峰:150kt 884hPa

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更多 发布于:2017-07-06 19:43
收到SPEArTC的电邮,RSMC楠迪(斐济气象局)最佳路径修改了Winston巅峰强度:2016年2月20日00Z到06Z的10分钟最大持续风速150节;00Z和03Z中心气压884百帕,成为南太平洋甚至是南半球史上最强热带气旋,高于Pam的风速、低于Zoe的气压记录。

修改的理由是德法分析,认定当天02Z到06Z的CI8.0,基于WMG风眼和CMG对流环。

图片:Winston.png



With respect to TC Winston, the Nadi RSMC has now completed their reanalysis of the intensity of TC Winston.  They have now found a peak intensity wind of 150 knots with peak minimum central pressures in the 884-886 hPa range (Nadi adjusted its TC module to come up with the revised minimum central pressure data). When performing Dvorak Analysis, the following were arrived at:

At 20/02:0000UTC - Analysis based on Warm Medium Grey (WMG) Eye in Cold Medium Grey (CMG) Surr with banding yields a Current Intensity(CI) value of 8.0. A CI value of 8.0 yields 10-minute mean wind intensity of 150 knots (as opposed to the original value of 160 knots) A CI value of 8.0 was analyzed from 20/02:0000UTC till 20/02: 0600UTC.

Nadi recognized that their original pressure values needed to be revisited, and so they readjusted their TC Module columns/figures inputs in order correct the pressures.

As such, the revised version of SPEArTC reflects updated wind and pressure data for TC Winston from 18UTC on 02-19-2016 through 06UTC on 02-21-2016 in the revised dataset.  The determination of these values is purely under the purview of RSMC Nadi and their internal procedures; SPEArTC merely reflects the data provided; so if anyone has any disagreements with the data for TC Winston, you will have to take that up with RSMC Nadi; I have no control over that other than to have pointed out to them that their previous values were in world record territory; and so, the values are now still rather intense, but no longer in world record territory.

http://apdrc.soest.hawaii.edu/projects/speartc/
[meow于2017-07-06 20:44编辑了帖子]
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发布于:2017-07-06 23:05
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这里面的很多数据可能需要修改,待我这几天完成手下的东西就来修改。
DK
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