Disturbed weather in the GOMEX

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wxGuy

Re: Disturbed weather in the GOMEX

#61 Postby wxGuy » Thu Aug 30, 2018 6:57 pm

Steve wrote:
wxGuy wrote:
Steve wrote:
That was I think the one NAM had near Destin on land (the 4th spin). People dog on the NAM too much even though it’s often warranted. However, sometimes (like now and last year with Harvey), it leads to the truth.

Lower level (850mb) at 18z shows the center forming a bit east than before and coming together right along the LA Coast. Still looks like a TD candidate.

https://www.tropicaltidbits.com/analysi ... 83018&fh=9


I've been wanting to say this about the NAM, you hit it the nail on the head with that one.

I used NAM with harvey and it served me and my family well. we safely evacuated Harvey and avoided 5ft of water in my house. nam and 24hr precip charts made me leave on friday, august 25


Good call there. It was almost unreal the way it depicted what it said would happen. I mean sub 890 wasnt probably going to happen. And it was way down at 20N (or slightly south of that) which isn’t even in its 3km range. CMC had a decent call too if I remember while EC and GfS didn’t even have a closed low coming off the Yucatán. I know the NAM isn’t for the tropics and isn’t even always great in the subtropics or mid-latitudes. But it has its moments. And since literally every other model there is still isn’t showing any spins in the Gulf until the next wave, we have some development going on in front of our eyes, it deserves credit here.


For sure steve, I belive it was the CMC that picked it up nicely as well. All I know is the gulf is setting up for something, and some of the models are making since to me as where these waves are heading. IMO
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Re: Disturbed weather in the GOMEX

#62 Postby Nimbus » Thu Aug 30, 2018 7:49 pm

Steve wrote:
Nimbus wrote:Anticyclonic circulation in the cirrus clouds and possibly some energy dropping south off the LA coast that might trigger something at the surface. Not sure if that spin was the tail of a front or something new?


Thinking it’s not a front. We have had a boundary around for a while but the front itself has been farther north and west. Almost out of visible, but damn if the Gulf isn’t juicy.

https://www.tropicaltidbits.com/sat/sat ... roduct=vis


Mid gulf buoy is at diurnal low hopefully, reinforces a slow surface pressure drop south of Louisiana.

https://www.ndbc.noaa.gov/show_plot.php ... _label=CDT

As you explained I'm pretty sure the vorticity near the coastline in the visual imagery is what the NAM was depicting.
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wxGuy

Re: Disturbed weather in the GOMEX

#63 Postby wxGuy » Thu Aug 30, 2018 8:28 pm

http://www.daculaweather.com/4_sat_gom_us.php

good loop imaging of the gulf rn
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Re: Disturbed weather in the GOMEX

#64 Postby wxman22 » Thu Aug 30, 2018 9:00 pm

Let's see if DMAX enhances the convection overnight if it can maintain convection long enough something homebrew may spin up...
Also looks like the 0z NAM still develops a tropical depression/storm out of it.
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Re: Disturbed weather in the GOMEX

#65 Postby Steve » Thu Aug 30, 2018 9:31 pm

NAM has it closed off south of Terrebonne Bay at 51 hours so valid 10 Saturday night.

https://www.tropicaltidbits.com/analysi ... 3100&fh=51
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Re: Disturbed weather in the GOMEX

#66 Postby Nimbus » Fri Aug 31, 2018 5:29 am

Surface pressure at the mid gulf buoy continued dropping 1013 MB this morning.
Should be a mention in the 11 AM update?
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Re: Disturbed weather in the GOMEX

#67 Postby GCANE » Fri Aug 31, 2018 5:41 am

Looks like a decent MCS firing west of the Keys.
Its all 700mb vort at this point.


Image

Image
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Re: Disturbed weather in the GOMEX

#68 Postby GCANE » Fri Aug 31, 2018 5:44 am

Pressure at Pulaski Shoals Light (end of the Keys)

Image
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Re: Disturbed weather in the GOMEX

#69 Postby GCANE » Fri Aug 31, 2018 5:51 am

Looks like it is feeding off a pool of 3500 CAPE air to its east.
There is a solid Theta-E Ridge in the middle of the GOM.
If the MCS starts moving west, very likely it'll intensify.
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Re: Disturbed weather in the GOMEX

#70 Postby GCANE » Fri Aug 31, 2018 5:57 am

UL Low forming east of Florida and north of Bahamas.
Ideal location to setup an outflow channel if the MCS develops.

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Re: Disturbed weather in the GOMEX

#71 Postby GCANE » Fri Aug 31, 2018 6:00 am

I suspect Florida is going to blow up this afternoon with popup thunderstorms.
Debris should push out into the GOM and moisten mid layer quite a bit.
Need to watch this closely tonight.
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Re: Disturbed weather in the GOMEX

#72 Postby GCANE » Fri Aug 31, 2018 7:19 am

Image
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Re: Disturbed weather in the GOMEX

#73 Postby GCANE » Fri Aug 31, 2018 7:47 am

A little better view of the GOM.
Looking pretty decent.

Image
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Re: Disturbed weather in the GOMEX

#74 Postby Javlin » Fri Aug 31, 2018 7:59 am

Lots of lighting in that one Gcane see if it holds today and works it's way down.;) Mimic still showing a funnel of moisture to NGOM.Only upper divergence ATTM
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Re: Disturbed weather in the GOMEX

#75 Postby Steve » Fri Aug 31, 2018 8:21 am

I could be wrong, but I don't think this will develop outside of being a prolific rainmaker. Looks like there are some bands setting up offshore today, and certainly the MS Gulf Coast looks to get a lot of that in the next day or so. It's definitely juiced up, but I don't think there will be enough time with the overall flow to get anything notable at the surface beyond maybe broad low pressure (as there is definitely some turning and churning down there).

https://www.tropicaltidbits.com/sat/sat ... roduct=vis

https://www.tropicaltidbits.com/sat/sat ... =truecolor
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Re: Disturbed weather in the GOMEX

#76 Postby GCANE » Fri Aug 31, 2018 8:26 am

Pressure spike and shift to west winds at Pulaski Shoals Light



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Re: Disturbed weather in the GOMEX

#77 Postby Portastorm » Fri Aug 31, 2018 9:03 am

Steve wrote:I could be wrong, but I don't think this will develop outside of being a prolific rainmaker. Looks like there are some bands setting up offshore today, and certainly the MS Gulf Coast looks to get a lot of that in the next day or so. It's definitely juiced up, but I don't think there will be enough time with the overall flow to get anything notable at the surface beyond maybe broad low pressure (as there is definitely some turning and churning down there).

https://www.tropicaltidbits.com/sat/sat ... roduct=vis

https://www.tropicaltidbits.com/sat/sat ... =truecolor


Steve, send it west please. We Texans will have the welcome wagon out for any rain. For all intents and purposes, after Harvey, someone turned off the spigot over our state. :wink:
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Re: Disturbed weather in the GOMEX

#78 Postby wxGuy » Fri Aug 31, 2018 9:37 am

valid @ Sunday night
Image
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Re: Disturbed weather in the GOMEX

#79 Postby slamdaddy » Fri Aug 31, 2018 9:48 am

Steve wrote:I could be wrong, but I don't think this will develop outside of being a prolific rainmaker. Looks like there are some bands setting up offshore today, and certainly the MS Gulf Coast looks to get a lot of that in the next day or so. It's definitely juiced up, but I don't think there will be enough time with the overall flow to get anything notable at the surface beyond maybe broad low pressure (as there is definitely some turning and churning down there).

https://www.tropicaltidbits.com/sat/sat ... roduct=vis

https://www.tropicaltidbits.com/sat/sat ... =truecolor


While I cannot say for the entire Mississippi Coast...my location (Jackson County) is pretty well saturated. Moosh Moosh when you walk in the yard.
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Re: Disturbed weather in the GOMEX

#80 Postby jasons2k » Fri Aug 31, 2018 9:48 am

Steve wrote:I could be wrong, but I don't think this will develop outside of being a prolific rainmaker. Looks like there are some bands setting up offshore today, and certainly the MS Gulf Coast looks to get a lot of that in the next day or so. It's definitely juiced up, but I don't think there will be enough time with the overall flow to get anything notable at the surface beyond maybe broad low pressure (as there is definitely some turning and churning down there).

https://www.tropicaltidbits.com/sat/sat ... roduct=vis

https://www.tropicaltidbits.com/sat/sat ... =truecolor


I agree. It looked more promising yesterday, and considering it's Friday now, I just don't think it has enough time.
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