Raymond
(Weather Guru)
Thu Aug 28 2008 06:27 PM
Re: Tropical Storm Hanna Forms Northeast of Leewards, Gustav Moving Erratically, Strengthening

Recon is in the storm again:
Center is just on the eastern tip of Jamaica and moves obviously westward with a higher speed. So the center will move over southern Jamaica and Gustav will be tortured again.
Here some data from High density Observations:
Minimum pressure: 982 hpa
175130 1759N 07612W 6967 03009 9823 +144 +110 160009 012 999 999 03
Maximum Flight level Wind: 71 kt
174800 1749N 07610W 6961 03057 9983 +055 +055 229061 071 099 042 03
Max. Surface Wind: 115 kt!!??
180300 1803N 07603W 6987 03042 9990 +062 +062 153064 064 115 033 03
Why is it so high? An error?
edit: In the vortex data message they have 35 kt as max. surface wind 97nm easterly from the center!!??
edit2: I see, the very last number in the line, which is 3, indicates that the surface wind data measured with SFMR is questionable. So I think, they just took the last value, which was ok, and used this in the Vortex Data Message. The real value for the max. surface wind should be somewhere in the sixties!



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