Frequency of two cat 5's forming in less than a month

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jinftl
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Frequency of two cat 5's forming in less than a month

#1 Postby jinftl » Sun Sep 02, 2007 3:58 pm

The frequency of two cat 5's forming (Dean..and now Felix is on his way to doing the same) in less than a month must be extremely small. Any statistics on the frequency of this occurring?

Also, what factors are coming together to cause this....has to be more than just warm water...that is a given this time of year.
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Re: Frequency of two cat 5's forming in less than a month

#2 Postby Vortex » Sun Sep 02, 2007 4:18 pm

Good question...Where's Larrywx(Stats man)
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Scorpion

#3 Postby Scorpion » Sun Sep 02, 2007 4:41 pm

I feel like I'm in 2005 again
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Re:

#4 Postby HURAKAN » Sun Sep 02, 2007 4:43 pm

Scorpion wrote:I feel like I'm in 2005 again


This would put an exclamation point to the phrase "quality over quantity."
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#5 Postby Buck » Sun Sep 02, 2007 5:00 pm

The only years with more than one Category 5 hurricane in the Atlantic...

1960
-Donna (8/29-9/14)
-Ethel (9/14-9/17)

1961
-Carla (9/3-9/16)
-Hattie (10/27-11/1)

2005
-Emily (7/11-7/21)
-Katrina (8/23-8/31)
-Rita (9/18-9/26)
-Wilma (10/15-10/26)
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#6 Postby DanKellFla » Sun Sep 02, 2007 5:04 pm

Yet another statistic showing how extraordinary 2005 was.
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Re: Frequency of two cat 5's forming in less than a month

#7 Postby jinftl » Sun Sep 02, 2007 5:17 pm

i know some folks are less than impressed with this hurricane season so far...as far as U.S. threats...but this statistic alone has to elevate this season...no matter what else happens (or doesn't)... to more than a 'dud'.
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Re: Frequency of two cat 5's forming in less than a month

#8 Postby Sanibel » Sun Sep 02, 2007 6:16 pm

I believe Aric was showing us extreme heat potential in the Caribbean on charts earlier. Well, this is the result.
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Re: Frequency of two cat 5's forming in less than a month

#9 Postby Ptarmigan » Sun Sep 02, 2007 6:22 pm

Two Category 5 hurricane in less than a month is active enough for me.
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Re: Frequency of two cat 5's forming in less than a month

#10 Postby Brent » Sun Sep 02, 2007 7:14 pm

2 Cat 5's in 13 days... it's official now. :sick:
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#11 Postby jinftl » Sun Sep 02, 2007 7:26 pm

Two cat 5's in 13 days....looks like that is a record for the shortest interval of time between 2 cat 5's...wow....all of a sudden this season is like, 'bam!'
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#12 Postby CrazyC83 » Sun Sep 02, 2007 7:28 pm

One thing to remember is intensity was not well judged in the past before accurate measurements became available. It is almost certain there have been many more Cat 5's.

Some storms I believe were Cat 5 at one point:

Great Havana (1846)
Last Island (1856)
Indianola (1886)
San Ciriaco (1899)
Florida Keys (1919)
Dominican Republic (1930)
Carrie (1957)
Flora (1963)
Inez (1966)

Possibly others...
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Re:

#13 Postby jinftl » Sun Sep 02, 2007 7:34 pm

even still...this is remarkable....esp if 1966 is the latest date!

CrazyC83 wrote:One thing to remember is intensity was not well judged in the past before accurate measurements became available. It is almost certain there have been many more Cat 5's.

Some storms I believe were Cat 5 at one point:

Great Havana (1846)
Last Island (1856)
Indianola (1886)
San Ciriaco (1899)
Florida Keys (1919)
Dominican Republic (1930)
Carrie (1957)
Flora (1963)
Inez (1966)

Possibly others...
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Re: Frequency of two cat 5's forming in less than a month

#14 Postby cpdaman » Sun Sep 02, 2007 7:36 pm

crazyc83 i think your speculative point may have some validity

but this still does not diminish the impressive/rare occurence of two cat 5's in 2 weeks very much
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Re: Re:

#15 Postby CrazyC83 » Sun Sep 02, 2007 7:36 pm

jinftl wrote:even still...this is remarkable....esp if 1966 is the latest date!

CrazyC83 wrote:One thing to remember is intensity was not well judged in the past before accurate measurements became available. It is almost certain there have been many more Cat 5's.

Some storms I believe were Cat 5 at one point:

Great Havana (1846)
Last Island (1856)
Indianola (1886)
San Ciriaco (1899)
Florida Keys (1919)
Dominican Republic (1930)
Carrie (1957)
Flora (1963)
Inez (1966)

Possibly others...


As the dates moved on, the intensity became more accurate while in the open ocean. That is just a partial list; there were probably more (especially pre-1950).
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#16 Postby CrazyC83 » Sun Sep 02, 2007 7:54 pm

I wonder if this will ever happen: two Cat 5 storms active simultaneously in the Atlantic basin? (What is the closest that has ever come, two Cat 4's?)
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Re:

#17 Postby Stormcenter » Sun Sep 02, 2007 7:56 pm

Scorpion wrote:I feel like I'm in 2005 again


Not even close.
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Re: Frequency of two cat 5's forming in less than a month

#18 Postby Stormcenter » Sun Sep 02, 2007 7:57 pm

Ptarmigan wrote:Two Category 5 hurricane in less than a month is active enough for me.


I agree 100%.
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Re: Frequency of two cat 5's forming in less than a month

#19 Postby PTrackerLA » Sun Sep 02, 2007 8:58 pm

Brent wrote:2 Cat 5's in 13 days... it's official now. :sick:


I can remember us both posting on how we didn't think this would develop just a few days ago. :lol:
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Re: Frequency of two cat 5's forming in less than a month

#20 Postby Ptarmigan » Sun Sep 02, 2007 9:23 pm

Stormcenter wrote:
Ptarmigan wrote:Two Category 5 hurricane in less than a month is active enough for me.


I agree 100%.


Some of the most active seasons had no or just one Category 5 hurricane.
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