Re: In the East Pacific: Iselle is now a major hurricane; forecast to weaken before reaching Haw
Posted by Chris in Tampa on 8/4/2014, 7:08 pm
It's worth posting about twice. There is this one and then possibly even Julio behind it that could come near to Hawaii.

That "quasi-annular" appearance is notable. Although hopefully it is becoming less so.

At the bottom of the SHIPS intensity text output is the "Annular Hurricane Index". (AHI)


Time        AHI
08/03 12Z   0
08/03 18Z   1
08/04 00Z   3
08/04 06Z   1
08/04 12Z   36
08/04 18Z   8

"AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR"

From: ftp://ftp.nhc.noaa.gov/atcf/stext/
131
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In the East Pacific: Iselle is now a major hurricane; forecast to weaken before reaching Hawaii - Chris in Tampa, 8/3/2014, 10:59 am
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