2015 TCRs
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- beoumont
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Re: 2015 TCRs: PATRICIA report is up
The cat 4 landfall intensity appears right on the money. The barometer readings on land right at landfall certainly did not justify keeping the storm a cat #5. The 938 mb reported by a tourist in the edge of the eye at Emiliano (2 miles inland) was a helpful indicator that the lowest pressure in the dead center was no lower than 932mb. The 934 mb recorded right at the coast at Playa Cuixmala proved an invaluable piece of data.
Last year I asked Chris Landea (science advisor @ NHC) how much the pressure across a major hurricane's eye could vary; and his response was, "no more than 6 mbs; usually less, of course."
The intensity at max while at sea being greater than Wilma was an amazing occurrence.
Last year I asked Chris Landea (science advisor @ NHC) how much the pressure across a major hurricane's eye could vary; and his response was, "no more than 6 mbs; usually less, of course."
The intensity at max while at sea being greater than Wilma was an amazing occurrence.
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List of 79 tropical cyclones intercepted by Richard Horodner:
http://www.canebeard.com/page/page/572246.htm
http://www.canebeard.com/page/page/572246.htm
Re: 2015 TCRs: PATRICIA report is up
Considering how tight and violent Patricia was, and how fast the pressure dropped, I'm surprised they didn't down the pressure anywhere from 865-868mb (my personal opinion). Despite not being as big as Tip, I feel like Patricia might have bottomed out at a slightly lower pressure.
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Re: 2015 TCRs: PATRICIA report is up
To give an insight of how insane the pressure gradient inside Patricia was, here are several cases of CAT5s with extreme pressure gradients:
Hurricane Andrew 1992 (land observation): 60 mb in 14 miles (4.3 mb/mile)
Hurricane Wilma 2005 (recon measured): 94 mb in 14 miles (6.7 mb/mile)
Super Typhoon Megi 2010 (recon measured): 60 mb in 14 miles (4.6 mb/mile)
September 1933 hurricane (ship measurement): 45 mb in 6 miles (7.5 mb/mile)
Hurricane Felix 2007 (recon measured): 63 mb in 14 miles (4.5 mb/mile)
Typhoon Haiyan 2013 - around 4 mb/mile using data provided by iCyclone, probably not conclusive
Hurricane Patricia 2016 - 20.8 mb/mile measured by recon
Hurricane Andrew 1992 (land observation): 60 mb in 14 miles (4.3 mb/mile)
Hurricane Wilma 2005 (recon measured): 94 mb in 14 miles (6.7 mb/mile)
Super Typhoon Megi 2010 (recon measured): 60 mb in 14 miles (4.6 mb/mile)
September 1933 hurricane (ship measurement): 45 mb in 6 miles (7.5 mb/mile)
Hurricane Felix 2007 (recon measured): 63 mb in 14 miles (4.5 mb/mile)
Typhoon Haiyan 2013 - around 4 mb/mile using data provided by iCyclone, probably not conclusive
Hurricane Patricia 2016 - 20.8 mb/mile measured by recon
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- beoumont
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Re: 2015 TCRs: PATRICIA report is up
supercane4867 wrote:To give an insight of how insane the pressure gradient inside Patricia was, here are several cases of CAT5s with extreme pressure gradients:
Hurricane Andrew 1992 (land observation): 60 mb in 14 miles (4.3 mb/mile)
Hurricane Wilma 2005 (recon measured): 94 mb in 14 miles (6.7 mb/mile)
Super Typhoon Megi 2010 (recon measured): 60 mb in 14 miles (4.6 mb/mile)
September 1933 hurricane (ship measurement): 45 mb in 6 miles (7.5 mb/mile)
Hurricane Felix 2007 (recon measured): 63 mb in 14 miles (4.5 mb/mile)
Typhoon Haiyan 2013 - around 4 mb/mile using data provided by iCyclone, probably not conclusive
Hurricane Patricia 2016 - 20.8 mb/mile measured by recon
Hurricane Andrew: the NHC prepared map below is even more detailed. The distance between the 970 mb. line and the 930 mb. line is 6.1 miles. That's 40 mb. in 6.1 miles; or 6.55 mb per mile.
The distance between the 990 mb line and the 922 mb reading just north of Bauer Drive is 16 miles; which average 4.25 mb. per mile.
In addition to the data on the map, two NHC supplied barometers reported: 932 mb. at Stanley Goldenberg's house (researcher whose wife gave birth that night) on SW 174 St (1 1/2 miles from the edge of the eye); and 942 mb. at my house on SW 156 St--which is a distance of 1.1 statute miles from Goldenberg's house.
So, over that short distance of 1.1 miles between Goldenberg's and my house there was a 9.1 mb per mile pressure gradient.
Fujita's study and the NHC study of the damage both estimated in that one mile zone the sustained winds were 145 mph, with gusts of 175 mph. Which makes the 20.8 mb per mile gradient in Patricia absolutely insane, as noted in the previous post.
Last edited by beoumont on Wed Feb 10, 2016 8:45 pm, edited 1 time in total.
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List of 79 tropical cyclones intercepted by Richard Horodner:
http://www.canebeard.com/page/page/572246.htm
http://www.canebeard.com/page/page/572246.htm
Re: 2015 TCRs
It's been long enough so now it's time to ask: is Erika even being included as a tropical system for 2016 to start with? It's a bit odd that we're into February and the report still isn't out yet, despite the strongest of each basin both having come out already.
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Re: 2015 TCRs
Hammy wrote:It's been long enough so now it's time to ask: is Erika even being included as a tropical system for 2016 to start with? It's a bit odd that we're into February and the report still isn't out yet, despite the strongest of each basin both having come out already.
I wonder what the holdup is?
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Re: 2015 TCRs
HurricaneBill wrote:Hammy wrote:It's been long enough so now it's time to ask: is Erika even being included as a tropical system for 2016 to start with? It's a bit odd that we're into February and the report still isn't out yet, despite the strongest of each basin both having come out already.
I wonder what the holdup is?
Maybe there are some difficulties in the position estimates as Erika is a rather disorganized system and the operational track needs substantial smoothing as well. Dolly in 2014 also comes out quite late due to similar reasons.
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Re: 2015 TCRs
http://www.nhc.noaa.gov/data/tcr/EP222015_Sandra.pdf
Sandra is out. Peak intensity raised to 130 kt.
Sandra is out. Peak intensity raised to 130 kt.
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The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to RSMC and NWS products.
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to RSMC and NWS products.
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Re: 2015 TCRs
http://www.nhc.noaa.gov/data/tcr/EP132015_Jimena.pdf
Jimena is out. Note that it includes the post-analysis of the CPAC stage.
Jimena is out. Note that it includes the post-analysis of the CPAC stage.
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Re: 2015 TCRs
NotoSans wrote:http://www.nhc.noaa.gov/data/tcr/EP132015_Jimena.pdf
Jimena is out. Note that it includes the post-analysis of the CPAC stage.
Which is why Olaf makes sense as the last one, since it has 2 EPAC stages.
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- Yellow Evan
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Re: 2015 TCRs
CPHC actually released a TCR? What world is this?
In seriousness, glad they upped Jimena. Looked like a Cat 5 to me but Dvorak never supported it for some reason.
In seriousness, glad they upped Jimena. Looked like a Cat 5 to me but Dvorak never supported it for some reason.
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- 1900hurricane
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Re: 2015 TCRs
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Re: 2015 TCRs
The biggest change is that the time of dissipation moved up about 24 hours, to the morning of August 28. Operationally, it was declared dissipated on the morning of August 29.
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Re: 2015 TCRs
Olaf is now out (complete), as are the updated BT's for Iselle and Julio from 2014 (finally incorporating CPHC data). Notice that Iselle was a Cat 2 as it approached Hawaii, but weakened rapidly (it does not have a landfall time in the text, but from the BT placement it looks like 55 kt was the landfall intensity).
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Re: 2015 TCRs
Guillermo and Hilda updated to include CPAC portion. Hilda's peak bumped up to 125 kt.
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- 1900hurricane
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Re: 2015 TCRs
CPHC has released a few reports over the past several months. The reports for Tropical Storm Malia, Tropical Storm Niala, Hurricane Oho, and Tropical Depression 09C are now all out. The ones we're still waiting on are for Halola, Iune, Kilo, Loke, and 08C, as well as the CPHC portion for Ignacio.
Additionally, JTWC released their 2015 Annual Tropical Cyclone Report a while back.
Additionally, JTWC released their 2015 Annual Tropical Cyclone Report a while back.
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- 1900hurricane
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Re: 2015 TCRs
CPHC has released their portion for Halola (no changes) and the report for Loke (some adjustments). Still waiting on Iune, their portions for Kilo and Ignacio, and 08C.
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- 1900hurricane
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Re: 2015 TCRs
08C is now out. Iune and CPHC portions of Ignacio and Kilo are still standing.
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- cycloneye
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Re: 2015 TCRs
After three years,they released the Iune report.I dont know what were the details of report that caused the delay. Maybe our friends 1900hurricane and CrazyC83 know.
http://www.prh.noaa.gov/cphc/summaries/ ... 5-Iune.pdf
http://www.prh.noaa.gov/cphc/summaries/ ... 5-Iune.pdf
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Re: 2015 TCRs
cycloneye wrote:After three years,they released the Iune report.I dont know what were the details of report that caused the delay. Maybe our friends 1900hurricane and CrazyC83 know.
http://www.prh.noaa.gov/cphc/summaries/ ... 5-Iune.pdf
Probably CPHC never got around to it. They don't have the staff that the NHC has, especially from a hectic year.
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