17 September 2004

2004's place in history

From Phil Klotzbach:

First of all, after double-checking the numbers,  Ivan has the most intense hurricane days of a single storm on record with 10.0, extending back to 1900.  The second place storm was the Miami 1926 storm (Storm 4 of that year) with 9.25 IHD, and in third place was Donna from 1960 with 9 IHD.
Here are my calculations for the months of August and September (up to 15Z on September 17) and for the season as a whole.  I'd be interested to see how they compare with the numbers that you guys have calculated.  I have put in parentheses its all-time rank if ranks in the top 10 all-time since 1950.


NS: 8 (Rank: 1)
H: 4 (Rank: T-2)
IH: 3 (Rank: 1)
NSD: 32 (Rank: 3)
HD: 14.75 (Rank: 4)
IHD: 5.25 (Rank: 5)
NTC: 85.3 (Rank: 1)


NS: 3
H: 2
IH: 1
NSD: 24.25
HD: 16.5
IHD: 13 (Rank: 3)
NTC: 80.9 (Rank: 9)


NS: 11
H: 6
IH: 4 (Rank: T-8)
NSD: 56.25
HD: 31.25
IHD: 18.25 (Rank: 2)
NTC: 166.2 (Rank: 9)

This season has been quite remarkable so far.  We already have the 2nd most intense hurricane days for a season on record... the only year with more was 1961 with 21.5 IHD.  I'll try to run some more calculations in the next few days.

Please visit my tropical Atlantic headquarters.

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