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

#2241 Postby JPmia » Fri Aug 07, 2020 12:17 pm

I don't ever recall seeing this many indicators pointing to an active season like the ones we're seeing now. I am both frightened and fascinated about what is on the horizon. So we know all the ingredients are there.. where will the ridge and troughs set up, how many storms will be active at one time.. seems like all the usual high frequency locations will see action this year. For the CONUS that is Louisiana, Texas, Florida, and North Carolina.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2242 Postby AnnularCane » Fri Aug 07, 2020 12:19 pm

Was 2005 showing indicators like this?
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2243 Postby psyclone » Fri Aug 07, 2020 12:38 pm

A big takeaway is a more favorable Caribbean...that's a major vector for Gulf chicanery. I'd say we're due for a Caribbean monster in September and or October...think a Gilbert like storm.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2244 Postby Steve » Fri Aug 07, 2020 12:50 pm

toad strangler wrote:
cycloneye wrote:if it was not omminous enough already, the NMME paints even a more bigger omminous picture for ASO. :eek:

https://twitter.com/webberweather/status/1291776025609875457


September :eek: AND October :eek:


Those look great for SELA particularly if you don't want storms. I'm thinking something will get close to the mouth of the MS River during September and October to flip those anomalies though.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2245 Postby TheStormExpert » Fri Aug 07, 2020 12:56 pm

cycloneye wrote:if it was not omminous enough already, the NMME paints even a more bigger omminous picture for ASO. :eek:

https://twitter.com/webberweather/status/1291776025609875457

I know we’re really not supposed to use these as a guidance for tropical cyclone tracks but the wetter than average areas would suggest a lot of Caribbean Cruisers tracking west into Central America or Mexico with several tracking north into the Gulf towards Florida or up the East Coast. Of course this is just this particular model but it suggests that a quick recurve out to sea without affecting land is a less likely scenario and that a west-based season is most likely to continue.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2246 Postby toad strangler » Fri Aug 07, 2020 1:21 pm

Steve wrote:
toad strangler wrote:
cycloneye wrote:if it was not omminous enough already, the NMME paints even a more bigger omminous picture for ASO. :eek:

https://twitter.com/webberweather/status/1291776025609875457


September :eek: AND October :eek:


Those look great for SELA particularly if you don't want storms. I'm thinking something will get close to the mouth of the MS River during September and October to flip those anomalies though.


Yeah I don't look at these signals with steering in mind. I just see potential for storms. Where they go will be ironed out then. The dry anomaly off the E FL coast is much more pronounced than the SELA one though.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2247 Postby shiny-pebble » Fri Aug 07, 2020 2:02 pm

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Not an meteorologist! Just someone who is interested in weather. Please refer to the NHC and local weather officials to make decisions.
-Jack 8-)

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

#2248 Postby TheStormExpert » Fri Aug 07, 2020 2:33 pm

toad strangler wrote:
Steve wrote:
toad strangler wrote:
September :eek: AND October :eek:


Those look great for SELA particularly if you don't want storms. I'm thinking something will get close to the mouth of the MS River during September and October to flip those anomalies though.


Yeah I don't look at these signals with steering in mind. I just see potential for storms. Where they go will be ironed out then. The dry anomaly off the E FL coast is much more pronounced than the SELA one though.

Of course shear and dry air are nonexistent now across Florida and The Bahamas, surprise, surprise!! :lol: (Still some mid-level dry air SE of Florida but a great improvement from last Friday when Isaias was approaching)

Hopefully it’ll return when it matters most but what a difference a week makes!

Image

Image

Image

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

#2249 Postby CyclonicFury » Fri Aug 07, 2020 2:35 pm

The next 1-2 weeks will likely be quiet for the most part, but we can't rule out a weak spin-up during that time. But after August 20 I'm expecting the lid to come off. Early-mid August hasn't been very active in recent years and it looks like 2020 will continue that trend. I'd be shocked if we see a hurricane before August 20. But I wouldn't be shocked if we had two in the last third of August.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2250 Postby TheStormExpert » Fri Aug 07, 2020 2:42 pm

CyclonicFury wrote:The next 1-2 weeks will likely be quiet for the most part, but we can't rule out a weak spin-up during that time. But after August 20 I'm expecting the lid to come off. Early-mid August hasn't been very active in recent years and it looks like 2020 will continue that trend. I'd be shocked if we see a hurricane before August 20. But I wouldn't be shocked if we had two in the last third of August.

I’d be shocked if we didn’t see our first major by the end of the month. :lol:

But seriously I think by August 15th-20th is when the lid starts to pop off. Hopefully the global models have a much better handle on things after what happened with the last several storms. :roll:
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2251 Postby TheStormExpert » Fri Aug 07, 2020 2:43 pm

psyclone wrote:A big takeaway is a more favorable Caribbean...that's a major vector for Gulf chicanery. I'd say we're due for a Caribbean monster in September and or October...think a Gilbert like storm.

Matthew in 2016 would like to have a word with you! :lol:
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2252 Postby BYG Jacob » Fri Aug 07, 2020 4:16 pm


Come and get your cruise tickets.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2253 Postby toad strangler » Fri Aug 07, 2020 4:28 pm

Interesting .... maybe there is some correlation in tracks with the NMME precip forecasts...

 http://twitter.com/AndyHazelton/status/1291836879176904706


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

#2254 Postby SFLcane » Fri Aug 07, 2020 4:29 pm

Here is the NMME for September in 2017. Shows dry SW Atlantic also so can’t really use this as general tracks. Guess Irma didn’t go through there lol. :roll:

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

#2255 Postby St0rmTh0r » Fri Aug 07, 2020 5:00 pm

TheStormExpert wrote:
toad strangler wrote:
Steve wrote:
Those look great for SELA particularly if you don't want storms. I'm thinking something will get close to the mouth of the MS River during September and October to flip those anomalies though.


Yeah I don't look at these signals with steering in mind. I just see potential for storms. Where they go will be ironed out then. The dry anomaly off the E FL coast is much more pronounced than the SELA one though.

Of course shear and dry air are nonexistent now across Florida and The Bahamas, surprise, surprise!! :lol: (Still some mid-level dry air SE of Florida but a great improvement from last Friday when Isaias was approaching)

Hopefully it’ll return when it matters most but what a difference a week makes!

https://i.ibb.co/922CNwb/05-FDEA02-1116-46-BA-A84-A-9-B27-DB89426-B.gif

https://i.ibb.co/7jpSGp7/1-F1-BB521-A8-DB-4450-AF22-94846-E4-AE5-E5.jpg

https://i.ibb.co/SB8JRXD/477-DC43-A-AECD-48-CC-B4-D5-20-EA52041-A6-E.jpg

https://i.ibb.co/9phnVpb/38-D4-E8-B9-AF2-F-4-DB9-A8-E7-C11815-A7-C1-EC.gif

Bad signs for peak of season. It's low shear across most of the basin already this will continue to decrease
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2256 Postby TheStormExpert » Fri Aug 07, 2020 5:22 pm

BYG Jacob wrote:

Come and get your cruise tickets.

I don't think anyone is going to be crazy enough to get them regardless, it's 2020! :lol:
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2257 Postby TheStormExpert » Fri Aug 07, 2020 5:24 pm

SFLcane wrote:Here is the NMME for September in 2017. Shows dry SW Atlantic also so can’t really use this as general tracks. Guess Irma didn’t go through there lol. :roll:

https://iili.io/dEB5pj.png

Still a good indicator that the ridging will likely be strong enough to steer storms towards land and not away.
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2258 Postby TheStormExpert » Fri Aug 07, 2020 5:30 pm

I think a major a lot like Hurricane Allen (1980) or Hurricane Gilbert (1988) are increasingly likely. Typical Caribbean Cruiser paths.

https://en.wikipedia.org/wiki/Hurricane_Allen

https://en.wikipedia.org/wiki/Hurricane_Gilbert
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Re: 2020 Indicators: SST's / SAL / MSLP / Steering / Shear / Instability / Sat Images

#2259 Postby cycloneye » Fri Aug 07, 2020 5:33 pm

TheStormExpert wrote:I think a major a lot like Hurricane Allen (1980) or Hurricane Gilbert (1988) are increasingly likely. Typical Caribbean Cruiser paths.

https://en.wikipedia.org/wiki/Hurricane_Allen

https://en.wikipedia.org/wiki/Hurricane_Gilbert


Also Ivan 2004.

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

#2260 Postby MetroMike » Fri Aug 07, 2020 6:24 pm

cycloneye wrote:
TheStormExpert wrote:I think a major a lot like Hurricane Allen (1980) or Hurricane Gilbert (1988) are increasingly likely. Typical Caribbean Cruiser paths.

https://en.wikipedia.org/wiki/Hurricane_Allen

https://en.wikipedia.org/wiki/Hurricane_Gilbert


Also Ivan 2004.

https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Ivan_2004_track.png/1920px-Ivan_2004_track.png



Thats how Ivanhater got his screen name here.
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