2015 indicators: Instability / SST's / MSLP / Steering / Sal

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Re: Re:

#661 Postby Yellow Evan » Wed Oct 14, 2015 11:41 pm

Alyono wrote:
Andrew92 wrote:You know, after reviewing all the previous posts, I also took a look at July 2005. The warm anomalies in the Eastern Pacific that year were in pockets and weak, and even mixed in with some cool anomalies as well. The warm anomalies at about the time of the graphic above were nothing like that of August-September 1983.

The 2016 forecast SST anomaly link is much more in line with something like a mix of 1959 and 1983, in my opinion. Like Alyono said, that could make for a quiet Caribbean next year.

-Andrew92


Not only that, but with the warm waters centered well east of where they were this year, the entire MDR could be out of play IF the Pacific SST pattern as predicted by the CFS verifies. The record warm waters won't matter as we'll have 50+ kts of shear

That Pacific SST pattern verifies and we will have 5 storms max next year


Keep in mind that the warm EPAC SST's anomalies on the CFS runs are on the decline in July 2016. Much colder than the current SSt pattern.
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Re: 2015 indicators: Instability / SST's / MSLP / Steering / Sal

#662 Postby NDG » Thu Oct 15, 2015 4:43 am

My question is, has there ever been a hyper active season in the Eastern Pacific 3 years in a row?

Edit: The answer is yes.
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Re: 2015 indicators: Instability / SST's / MSLP / Steering / Sal

#663 Postby Yellow Evan » Thu Oct 15, 2015 7:49 am

NDG wrote:My question is, has there ever been a hyper active season in the Eastern Pacific 3 years in a row?

Edit: The answer is yes.


1982, 1983, 1984, and 1985.

1992, 1993, and 1994. It's semi-common actually.
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#664 Postby Ntxw » Thu Oct 15, 2015 8:19 am

The fact that EPAC hyper season clusters do happen (and that they are more likely in clusters) I'd hedge bets EPAC could see another very active one in 2016. +PDO withstanding
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#665 Postby ninel conde » Mon Oct 19, 2015 10:48 pm

JB says next 3 years could be bad. maybe the active era isnt over.

Joe Bastardi ‏@BigJoeBastardi 8h8 hours ago State College, PA

Its astounding how those pushing how "bad" hurricanes are now are clueless to 30s-50s.That being said,major uptick 2016-2018 likely iMO
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#666 Postby Steve » Tue Oct 20, 2015 12:29 pm

Yeah, well the 30's-50's were different in the sense that we didn't all live and build so close to the coasts. A cinderblock or concrete motel a few blocks off the beach on a highway is one thing. A glass tower on the beach with 100 units is completely another. There is very little of the US Coastline (that isn't now protected that wasn't then) that isn't several times over more developed than 60-80 years ago. Not sure 16, 17 and 18 all go wild, as there's no way to tell in advance if specific indicators end up in hyper or dud categories. He did note it was possible for the Atlantic Basin to have another 2004-2005 scenario before the multi-decadal flip on the Atlantic side which is probably going to be the last flip of my lifetime. Take that old guys! I can probably be happy living out my later years with slower than normal activity. The internet may not like it, but I would.
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Re: 2015 indicators: Instability / SST's / MSLP / Steering / Sal

#667 Postby chaser1 » Tue Oct 20, 2015 3:51 pm

Now that 92L has lost the apperant Atlantic/Pacific battle to the better over all conditions seemingly present in the Eastern Pacific, the set up is such that i'd guess that we're not too likely to see any further development here in the W. Atlantic for the remainder of the month. Peaking SST's in the E. Pacific seem to work towards favorable ingredients for continued development there, as plainly depicted on some of the global models.
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Re: 2015 indicators: Instability / SST's / MSLP / Steering / Sal

#668 Postby Steve » Tue Oct 20, 2015 7:57 pm

You could be right. It's right down the alley way of what Bastardi called Saturday. Whatever formed was on the EPAC side but would move inland then something would come up on this side. I don't see it, but that was to happen first, and if it moves inland, I guess we will have to see if the next shoe drops.
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#669 Postby Hurricaneman » Tue Oct 20, 2015 11:28 pm

I expect the 2016 hurricane season the El Nino will dissapate and a +Amo look to the Atlantic will be positive but the nagging negative might be the area of warm water SW of Baja California which if still there next hurricane season could shut down the Caribbean and possibly the MDR due to shear so I will go into more details in December

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#670 Postby ninel conde » Wed Oct 21, 2015 7:28 am

Joe Bastardi ‏@BigJoeBastardi 24m24 minutes ago State College, PA

That being said, pushing the lack of hurricane hits as something bigger is something I want no part of. I think 16-18 will be wild
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Re:

#671 Postby Andrew92 » Wed Oct 21, 2015 1:39 pm

Hurricaneman wrote:I expect the 2016 hurricane season the El Nino will dissapate and a +Amo look to the Atlantic will be positive but the nagging negative might be the area of warm water SW of Baja California which if still there next hurricane season could shut down the Caribbean and possibly the MDR due to shear so I will go into more details in December

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Pretty similar to 1959 perhaps? What do you think about activity in the Gulf next year, after 2014 had no hurricanes and 2015 likely will finish with no hurricanes unless something changes drastically, meaning two straight years without one in that area? Seems quite unlikely on paper we would go three in a row without a hurricane in the Gulf anyway.

-Andrew92
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#672 Postby Hammy » Wed Oct 21, 2015 3:48 pm

I think we can likely close the door on anything else forming this season, or at least during the rest of October. It would join (since the 1980s) 1982, 86, 94, 2002, and 06 as far as El Nino years with no October storms.
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TheStormExpert

#673 Postby TheStormExpert » Wed Oct 21, 2015 6:53 pm

From Ryan Maue on Twitter.

@RyanMaue: I predict a 10% yellow X in Gulf of Mexico soon for 5-day Tropical Cyclone development off Texas coast. Perhaps a weak TD ?
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Re: 2015 indicators: Instability / SST's / MSLP / Steering / Sal

#674 Postby Steve » Wed Oct 21, 2015 7:58 pm

His tweet is in line with their Saturday summary. Just watched Channel 4 news here, and they go with the surface low in Texas bringing in a bunch of rain, then Hurricane Patricia moves into the pattern via Mexico to bring even more rain into Texas by Sunday. Obviously tropical heat can get into a pattern long after tropical characteristics from the original storm are gone. But it looks like GFS 18z has a lot of 5-10 for Cental, East and SE Texas over the next several days. I don't know if something spins up in the gulf or not. GFS has been putting a weak surface low in the NC Gulf many of the last few days' runs. I'm not calling for anything one way or the other, but like I said this weekend, I expected the rest of the month to be more interesting (if nothing else) than what a lot of people have been saying.
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Re:

#675 Postby NDG » Wed Oct 21, 2015 9:58 pm

TheStormExpert wrote:From Ryan Maue on Twitter.

@RyanMaue: I predict a 10% yellow X in Gulf of Mexico soon for 5-day Tropical Cyclone development off Texas coast. Perhaps a weak TD ?


Sad that due to the lack of much tropical activity this year an expert forecasting a possible disturbance with possible 10% development is news.
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Re: Re:

#676 Postby Hurricaneman » Wed Oct 21, 2015 11:26 pm

Andrew92 wrote:
Hurricaneman wrote:I expect the 2016 hurricane season the El Nino will dissapate and a +Amo look to the Atlantic will be positive but the nagging negative might be the area of warm water SW of Baja California which if still there next hurricane season could shut down the Caribbean and possibly the MDR due to shear so I will go into more details in December

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Pretty similar to 1959 perhaps? What do you think about activity in the Gulf next year, after 2014 had no hurricanes and 2015 likely will finish with no hurricanes unless something changes drastically, meaning two straight years without one in that area? Seems quite unlikely on paper we would go three in a row without a hurricane in the Gulf anyway.

-Andrew92


Expecting more activity and potentially something major but that all depends on the anomalies SW of the Baja. If that remains it could be another down year but we will know more by spring

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#677 Postby Yellow Evan » Wed Oct 21, 2015 11:31 pm

Keep in mind folks 2004 and 2005 had a +PDO pattern. I don't think that'll mean much, rather the SST's temps of 1+2 could have more meaning as more equatorial warmth (relative to other Nino regions) means more EPAC convergence at the surface, which means more shear in the deep tropics.
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Re: Re:

#678 Postby Andrew92 » Thu Oct 22, 2015 12:32 am

Hurricaneman wrote:
Andrew92 wrote:
Hurricaneman wrote:I expect the 2016 hurricane season the El Nino will dissapate and a +Amo look to the Atlantic will be positive but the nagging negative might be the area of warm water SW of Baja California which if still there next hurricane season could shut down the Caribbean and possibly the MDR due to shear so I will go into more details in December

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Pretty similar to 1959 perhaps? What do you think about activity in the Gulf next year, after 2014 had no hurricanes and 2015 likely will finish with no hurricanes unless something changes drastically, meaning two straight years without one in that area? Seems quite unlikely on paper we would go three in a row without a hurricane in the Gulf anyway.

-Andrew92


Expecting more activity and potentially something major but that all depends on the anomalies SW of the Baja. If that remains it could be another down year but we will know more by spring

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To put 1959 in a bit of a nutshell:

I wasn't around that year (was born 25 years later), but I took a look at the sea surface anomalies in the Pacific during August and September about a week or so ago. That year was a La Nina, but the cold anomalies were limited to the equator and a couple degrees each way in the peak months for hurricanes. There was a pool of very warm anomalies southwest of Baja, with weaker anomalies extending eastward, even trying to reach the coast of Mexico and Central America (by that far east they were about as slight as possible, but they were there at least).

1959 currently is listed as 11 tropical storms, with 7 being hurricanes and 2 majors. But Sandy Delgado/HURAKAN re-analyzed that season as part of his master's thesis and came up with 14 tropical storm, but only 5 hurricanes and still 2 majors. The only previously-known unnamed hurricane and Cindy were both downgraded to tropical storms, the former still having hurricane intensity at its peak but not until becoming extratropical. Also noteworthy is that according to his re-analysis, one of the hurricanes that year, Flora, was only a hurricane on one standard point (e.g., 00Z, 06Z, etc.), so that may have only been a hurricane for a couple hours! (And if not for that little peak, we would be looking at 14/4/2 instead, if this analysis holds.) The MDR was almost completely shut down, with only Edith forming, which he has lasting only about 24 hours or so, and Flora which re-curved quickly. Edith also incidentally, according to Delgado, dissipates upon arrival in the Caribbean instead of near Hispaniola which we currently see officially. The only other storm that formed maybe just barely in the Caribbean was Judith, which as at least bordering on the Yucatan Channel anyway when it formed. He also has even Gracie, which formed near Hispaniola and the Bahamas, not as a hurricane until a bit further north, about where the loop or whatever it was executing was being completed. You could pretty much say the tropical latitudes were almost completely shut down that year, despite the season appearing on the surface to be a pretty busy one.

I'm really dying to see if the full re-analysis is done soon for 1956-1960, as if this warm pool that you are seeing holds true southwest of Baja, but we go to La Nina along and near the Equator, the Pacific SST anomalies could be fairly similar to 1959. Still, it stands to reason that a major could easily hit the United States, since Gracie was one when it hit near Hilton Head. 1983 was a somewhat similar setup, but the warmer anomalies in the Pacific were stronger further east that year, which I am guessing also led to the tropical latitudes being shut down that year. But that year did have Alicia, after all.

1983 is the year that is probably going to be brought up for comparison the most for next year if this pattern comes alive, given that Alicia was the bigger hit between her and Gracie, and that year was so famously (to us) inactive. But that year was during a quiet Atlantic cycle. 1959 was during a more active Atlantic cycle, and there's still no telling if this cycle is over yet.

Both years though had two hurricanes in the Gulf. 1959 had Debra and (briefly) Judith, along with three other tropical storms. 1983 of course had Alicia, but also Barry.

-Andrew92
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Re:

#679 Postby Hammy » Thu Oct 22, 2015 3:36 pm

Yellow Evan wrote:Keep in mind folks 2004 and 2005 had a +PDO pattern. I don't think that'll mean much, rather the SST's temps of 1+2 could have more meaning as more equatorial warmth (relative to other Nino regions) means more EPAC convergence at the surface, which means more shear in the deep tropics.


Would this be why there was so (relatively) little activity in 2005 between Africa and the Caribbean?
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Re: Re:

#680 Postby Yellow Evan » Thu Oct 22, 2015 3:40 pm

Hammy wrote:
Yellow Evan wrote:Keep in mind folks 2004 and 2005 had a +PDO pattern. I don't think that'll mean much, rather the SST's temps of 1+2 could have more meaning as more equatorial warmth (relative to other Nino regions) means more EPAC convergence at the surface, which means more shear in the deep tropics.


Would this be why there was so (relatively) little activity in 2005 between Africa and the Caribbean?


No. 2005 AHS MDR was shut down to SAL. Nino 1+2 was quite cool during 2004-2005 (2004 was a classic Modoki El Nino)
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