Central Atlantic Tropical Wave near 41W

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Hurricaneman
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Central Atlantic Tropical Wave near 41W

#1 Postby Hurricaneman » Sat Jul 29, 2017 11:39 pm

This one may need to be watched as the UKMET, Canadian, GFS, and the Euro on odd runs have development and possibly a decent tropical system out of this so it will be something to track IMO
Last edited by Hurricaneman on Mon Jul 31, 2017 12:00 am, edited 2 times in total.
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Re: New tropical wave near west African coast

#2 Postby AutoPenalti » Sat Jul 29, 2017 11:49 pm

Hurricaneman wrote:This one may need to be watched as the UKMET, Canadian, GFS, and the Euro on odd runs have development and possibly a decent tropical system out of this so it will be something to track IMO

Anyone want to place bets of EURO dropping all development and then followed by the GFS?
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Model Runs Cheat Sheet:
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HWRF, GFDL, UKMET, NAVGEM (6:30-8:00 AM/PM, 12:30-2:00 AM/PM)
ECMWF (1:45 AM/PM)

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Re: New tropical wave near west African coast

#3 Postby GCANE » Sun Jul 30, 2017 4:16 am

Almost all models have this initialized.
UKMET most aggressive.
At this point looks like it makes it to NE of PR around Friday.
At that point it looks like it ingests dry air from the 1025 mb Bermuda High.
Could be touch and go then.
If it survives and steers into the Bahamas, a lot of high Theta-E air could re-energize it with dropping 355K PV.
Looks like sheer in the Bahamas could clear out over the weekend,

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Re: New tropical wave near west African coast

#4 Postby GCANE » Sun Jul 30, 2017 4:26 am

Tons of deep convergence, lots of juice to work with.

http://tropic.ssec.wisc.edu/real-time/m ... anim=html5
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Re: New tropical wave near west African coast

#5 Postby GCANE » Sun Jul 30, 2017 4:29 am

Very well defined 850mb vort, especially for being at 10N.

http://tropic.ssec.wisc.edu/real-time/w ... oom=&time=
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Re: New tropical wave near west African coast

#6 Postby GCANE » Sun Jul 30, 2017 4:57 am

Looks like a good running start to sweep out SAL around it.
Air column completely saturated from Boundary Layer to 200mb.

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Re: New tropical wave near west African coast

#7 Postby gatorcane » Sun Jul 30, 2017 6:28 am

06Z GFS 36 hours:

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Re: New tropical wave near west African coast

#8 Postby gatorcane » Sun Jul 30, 2017 8:09 am

No mention by NHC yet.
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Re: New tropical wave near west African coast

#9 Postby abajan » Sun Jul 30, 2017 8:21 am

gatorcane wrote:No mention by NHC yet.

Very likely in the next TWO.
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Re: Tropical Wave south of the CV Islands

#10 Postby gatorcane » Sun Jul 30, 2017 4:50 pm

Poof on the 18Z GFS
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Re: Tropical Wave south of the CV Islands

#11 Postby AutoPenalti » Sun Jul 30, 2017 5:06 pm

18z GFS drops development.
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Model Runs Cheat Sheet:
GFS (5:30 AM/PM, 11:30 AM/PM)
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ECMWF (1:45 AM/PM)

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Re: Tropical Wave south of the CV Islands

#12 Postby AtlanticWind » Sun Jul 30, 2017 11:55 pm

http://www.ssd.noaa.gov/goes/east/catl/rb-l.jpg

Pretty strong convection this evening.
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Re: Tropical Wave south of the CV Islands

#13 Postby Hurricaneman » Mon Jul 31, 2017 12:03 am

AtlanticWind wrote:http://www.ssd.noaa.gov/goes/east/catl/rb-l.jpg

Pretty strong convection this evening.

Could be the next MDR system to possibly develop, we'll see
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Re: Tropical Wave SSW of the CV Islands

#14 Postby abajan » Mon Jul 31, 2017 4:15 am

Kinda surprised it wasn't mentioned in the latest TWO. It may just be a temporary flare up, though.

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Re: Tropical Wave SSW of the CV Islands

#15 Postby gatorcane » Tue Aug 01, 2017 12:46 pm

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Tue Aug 1 2017

1. A tropical wave accompanied by a low pressure system is producing a
large area of cloudiness and disorganized shower activity several
hundred miles southwest of the Cabo Verde Islands. Some slow
development is possible during the next few days while the
disturbance moves westward at 10 to 15 mph. However, upper-level
winds are expected to become less conducive for development by the
weekend.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Forecaster Stewart

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Re: Tropical Wave SW of the Cabo Verde Islands

#16 Postby alienstorm » Tue Aug 01, 2017 12:52 pm

Not much hope for it, given upper level environment
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Re: Tropical Wave SW of the Cabo Verde Islands

#17 Postby AutoPenalti » Tue Aug 01, 2017 2:30 pm

alienstorm wrote:Not much hope for it, given upper level environment

Another one bites the dust.

Literally.
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The posts in this forum are NOT official forecasts 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. For official information, please refer to products from the NHC and NWS.


Model Runs Cheat Sheet:
GFS (5:30 AM/PM, 11:30 AM/PM)
HWRF, GFDL, UKMET, NAVGEM (6:30-8:00 AM/PM, 12:30-2:00 AM/PM)
ECMWF (1:45 AM/PM)

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Re: Tropical Wave SW of the Cabo Verde Islands

#18 Postby cycloneye » Tue Aug 01, 2017 6:42 pm

A tropical wave accompanied by a low pressure system is producing a
large area of cloudiness and disorganized shower activity several
hundred miles southwest of the Cabo Verde Islands. Some slow
development is possible during the next few days while the
disturbance moves westward at 10 to 15 mph. However, upper-level
winds are expected to become less conducive for development by the
weekend.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent
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Re: Tropical Wave SW of the Cabo Verde Islands

#19 Postby abajan » Wed Aug 02, 2017 5:01 am

5-Day Formation Chance Decreased to 10%

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 AM EDT Wed Aug 2 2017 ...

A tropical wave is producing a large area of cloudiness and
disorganized shower activity several hundred miles southwest of the
Cabo Verde Islands. Development, if any, of this system is expected
to be slow to occur during the next few days while the disturbance
moves westward at 10 to 15 mph. Upper-level winds are expected to
become too strong for development by the weekend.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...10 percent.

Forecaster Blake

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Re: Tropical Wave WSW of the Cabo Verde Islands

#20 Postby cycloneye » Wed Aug 02, 2017 6:27 am

Down to 0%.

A tropical wave is producing a small area of disorganized shower
activity several hundred miles southwest of the Cabo Verde Islands.
Environmental conditions are expected to become unfavorable for
development while this system moves westward at 10 to 15 mph during
the next several days.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...near 0 percent
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