2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#21 Postby gatorcane » Tue Feb 04, 2020 8:38 pm

TheStormExpert wrote::uarrow: I wouldn’t be surprised at all if the 2020 Atlantic Hurricane Season has some nasty surprises up its sleeve! The theme since 2016 has been more dangerous and destructive Atlantic Hurricane Seasons and with the lack of any kind of winter in these parts you can bet on potential record warmth in the Gulf or off the SE U.S. coastline come summertime. Hope I’m wrong.


Year round ocean swimming in South Florida this year. It used to get cold enough to make swimming difficult this time of year unless you wanted to swim in upper 60s to low 70s water.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#22 Postby TheStormExpert » Tue Feb 04, 2020 9:00 pm

gatorcane wrote:
TheStormExpert wrote::uarrow: I wouldn’t be surprised at all if the 2020 Atlantic Hurricane Season has some nasty surprises up its sleeve! The theme since 2016 has been more dangerous and destructive Atlantic Hurricane Seasons and with the lack of any kind of winter in these parts you can bet on potential record warmth in the Gulf or off the SE U.S. coastline come summertime. Hope I’m wrong.


Year round ocean swimming in South Florida this year. It used to get cold enough to make swimming difficult this time of year unless you wanted to swim in upper 60s to low 70s water.

Yep water temperatures off of Palm Beach County are currently 75-77º, unbelievable! What winter!? :lol:
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#23 Postby cycloneye » Thu Feb 06, 2020 3:33 pm

The big question is if it will sustain thru ASO.

 https://twitter.com/hurricanetrack/status/1225514058981560320


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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#24 Postby TheStormExpert » Thu Feb 06, 2020 11:34 pm

cycloneye wrote:The big question is if it will sustain thru ASO.

https://twitter.com/hurricanetrack/status/1225514058981560320

Might be a good thing if you like recurving Cape Verde storms. The sooner they develop, the sooner they recurve.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#25 Postby cycloneye » Mon Feb 10, 2020 9:00 am

A new record of highest daily AO.

 https://twitter.com/NWSCPC/status/1226866908479160323


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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#26 Postby TheStormExpert » Thu Feb 13, 2020 10:57 pm

cycloneye wrote:A new record of highest daily AO.

https://twitter.com/NWSCPC/status/1226866908479160323

What role does the Arctic Oscillation play in terms of hurricane season with steering patterns, sea surface temperatures, etc. just curious!
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#27 Postby NotSparta » Sat Feb 15, 2020 7:46 am

TheStormExpert wrote:
cycloneye wrote:A new record of highest daily AO.

https://twitter.com/NWSCPC/status/1226866908479160323

What role does the Arctic Oscillation play in terms of hurricane season with steering patterns, sea surface temperatures, etc. just curious!


+AO in winter usually tends to lead to a +NAO, which strengthens the A/B High and typically will increase the trade winds, and cool off the tropics.

That relationship is less obvious during the season, but you do tend to get a stronger (weaker) high with +AO (-AO), leading to many (few) recurving storms. The -AO last season led to a lot of recurving, different from most recent seasons
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#28 Postby SFLcane » Mon Feb 17, 2020 2:18 pm

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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#29 Postby TheStormExpert » Mon Feb 17, 2020 4:08 pm


That’s if you believe the Euro and it’s seasonal forecasts in ALWAYS forecasting an El Niño for hurricane season. One of these years it’ll be right though.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#30 Postby SFLcane » Fri Feb 21, 2020 9:11 am

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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#31 Postby NotSparta » Fri Feb 21, 2020 11:11 am

SFLcane wrote::blowup: come july...If it holds.

https://twitter.com/EricBlake12/status/1230829955996581896


No surprise there, has been a very warm week here in Naples. Hopefully it fades between now and July though, don't want to risk it holding :eek:
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#32 Postby SFLcane » Fri Feb 21, 2020 11:37 am

NotSparta wrote:
SFLcane wrote::blowup: come july...If it holds.

https://twitter.com/EricBlake12/status/1230829955996581896


No surprise there, has been a very warm week here in Naples. Hopefully it fades between now and July though, don't want to risk it holding :eek:


Problem is the entire basin is warm. The eastern atl mdr region is boiling if it holds these waves will have no problem developing. With a possible la nina or neutral i say things for now are setting up quite active in 2020.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#33 Postby aspen » Fri Feb 21, 2020 4:27 pm

SFLcane wrote:
NotSparta wrote:
SFLcane wrote::blowup: come july...If it holds.

https://twitter.com/EricBlake12/status/1230829955996581896


No surprise there, has been a very warm week here in Naples. Hopefully it fades between now and July though, don't want to risk it holding :eek:


Problem is the entire basin is warm. The eastern atl mdr region is boiling if it holds these waves will have no problem developing. With a possible la nina or neutral i say things for now are setting up quite active in 2020.

I’m quite surprised there are already signs of an active season ahead. How many more can the Atlantic pump out? If 2020 is an above-average season, that’ll be the fifth consecutive one, with at least one Cat 5 from 2016-2019.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#34 Postby cycloneye » Sat Feb 22, 2020 11:55 am

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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#35 Postby NotSparta » Sun Feb 23, 2020 10:09 am

SFLcane wrote:
NotSparta wrote:
SFLcane wrote::blowup: come july...If it holds.

https://twitter.com/EricBlake12/status/1230829955996581896


No surprise there, has been a very warm week here in Naples. Hopefully it fades between now and July though, don't want to risk it holding :eek:


Problem is the entire basin is warm. The eastern atl mdr region is boiling if it holds these waves will have no problem developing. With a possible la nina or neutral i say things for now are setting up quite active in 2020.


Eh, wouldn't be so sure. Sure the basin is warm but it's been a huge roller coaster lately and wouldn't take much to cool right back down.

Image

I wouldn't be confident calling for no El Niño in February especially given the look out west, almost looks like there's an El Niño waiting to happen, and there's a good amount of warmth under the ocean. In addition, there have been a lot of WWBs lately which can help promote El Niño.

However, given the large West Pacific MJO event failed to occur, it probably won't begin now (it still can, a huge one in March 2015 kicked off that El Niño event). Also, there's (so far) no real +PMM showing up which doesn't really help for an El Niño event.

Image
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#36 Postby stormlover2013 » Mon Feb 24, 2020 11:53 am

el nino isn't happening this year
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#37 Postby TheStormExpert » Mon Feb 24, 2020 5:04 pm

stormlover2013 wrote:el nino isn't happening this year

That’s a very bold statement to be making in only late February.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#38 Postby stormlover2013 » Mon Feb 24, 2020 11:57 pm

It’s a statement I made last year and I was right
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#39 Postby chris_fit » Tue Feb 25, 2020 8:15 am

Massive Dust Storm in Eastern Atlantic - Canary Islands sandstorm grounds flights, closes schools as Sahara dust moves into open Atlantic , pretty cool article...

https://www.washingtonpost.com/weather/ ... n-atlantic
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#40 Postby wxman57 » Tue Feb 25, 2020 9:27 am

Oceanic heat content (OHC) is the highest in years (since at least 2017) in the central to western Caribbean for Feb. 23rd. Positive NAO, should it continue, would mean a stronger Bermuda high. More low-level shear in the deep tropics east of the Caribbean. Much more stable than normal there now. Less subtropical development. The Caribbean may come alive this year, increasing the risk of Gulf hurricanes.
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