Wave WSW of Cabo Verde Islands (Is INVEST 97L)

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Hurricaneman
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Wave WSW of Cabo Verde Islands (Is INVEST 97L)

#1 Postby Hurricaneman » Sat Jul 22, 2017 11:57 pm

Since the GFS and its ensembles show development with this it will have to be watched especially since the GFS is not throwing out a ton of phantom storms and it currently has good spin, let's see if it maintains at splashdown or if other models pick up on it
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Re: Wave over west Africa

#2 Postby Kingarabian » Sun Jul 23, 2017 2:12 am

Euro has some development 240 hours out. It's much weaker and close to Africa. Will be interesting what the EPS shows as it goes at 16day out.
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Re: Wave over west Africa

#3 Postby AutoPenalti » Tue Jul 25, 2017 6:22 pm

Kingarabian wrote:Euro has some development 240 hours out. It's much weaker and close to Africa. Will be interesting what the EPS shows as it goes at 16day out.

Should this be the thread for what the GFS, UKMET and CMC is developing?
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Re: Wave over west Africa

#4 Postby Hurricaneman » Tue Jul 25, 2017 6:29 pm

AutoPenalti wrote:
Kingarabian wrote:Euro has some development 240 hours out. It's much weaker and close to Africa. Will be interesting what the EPS shows as it goes at 16day out.

Should this be the thread for what the GFS, UKMET and CMC is developing?

And Euro too so let's make it that
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Re: Wave over west Africa

#5 Postby cycloneye » Tue Jul 25, 2017 6:34 pm

NHC dosen't bite at 8 PM.
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Re: Wave over west Africa

#6 Postby AutoPenalti » Tue Jul 25, 2017 6:49 pm

cycloneye wrote:NHC dosen't bite at 8 PM.

Most likely at 2am.
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Re: Wave over west Africa

#7 Postby gatorcane » Tue Jul 25, 2017 6:55 pm

Saved floater loop:
http://rammb.cira.colostate.edu/ramsdis ... display=12

GFS ensembles are further south with the track than the GFS OP and closer to the ECMWF track.

By the way, I think the wave in question is already over water (see floater loop above) so thread title should be changed?
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Re: Wave over west Africa

#8 Postby AutoPenalti » Tue Jul 25, 2017 7:13 pm

gatorcane wrote:Saved floater loop:
http://rammb.cira.colostate.edu/ramsdis ... display=12

GFS ensembles are further south with the track than the GFS OP and closer to the ECMWF track.

By the way, I think the wave in question is already over water (see floater loop above) so thread title should be changed?

Is the wave embedded in the ITCZ?
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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: Wave over west Africa

#9 Postby AutoPenalti » Wed Jul 26, 2017 1:22 am

Time to pour our first of many lemons!


ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 AM EDT Wed Jul 26 2017

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

1. A tropical wave, located a few hundred miles south of the Cabo Verde
Islands, is producing disorganized showers and thunderstorms. Some
slow development of this system is possible this weekend as it moves
westward at 10 to 15 mph.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent.

Forecaster Roberts
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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)

TCVN
is a weighted averaged

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Re: Wave over west Africa

#10 Postby Alyono » Wed Jul 26, 2017 1:56 am

preliminarily, the models are showing major troughing off of the East Coast. Nothing would get close with the pattern being depicted
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Re: Wave over west Africa

#11 Postby AtlanticWind » Wed Jul 26, 2017 2:58 am

AutoPenalti wrote:Time to pour our first of many lemons!


ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 AM EDT Wed Jul 26 2017

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

1. A tropical wave, located a few hundred miles south of the Cabo Verde
Islands, is producing disorganized showers and thunderstorms. Some
slow development of this system is possible this weekend as it moves
westward at 10 to 15 mph.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent.

Forecaster Roberts

Shouldn't we change the name of this thread, system the NHC Is talking about is in the Atlantic.
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Re: Wave over west Africa

#12 Postby abajan » Wed Jul 26, 2017 4:30 am

Image
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Re: Wave SSW of Cabo Verde Islands

#13 Postby ouragans » Wed Jul 26, 2017 8:07 am

NWS National Hurricane Center Miami FL
800 AM EDT Wed Jul 26 2017

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

A few showers and thunderstorms south of the Cabo Verde Islands
are associated with a tropical wave moving westward at 10 to 15
mph. Development of this system, if any, will be slow to occur.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent.

$$
Forecaster Avila
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Re: Wave over west Africa

#14 Postby RL3AO » Wed Jul 26, 2017 8:42 am

Alyono wrote:preliminarily, the models are showing major troughing off of the East Coast. Nothing would get close with the pattern being depicted


You won't see me complaining about temps in the 80s.
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Re: Wave SSW of Cabo Verde Islands

#15 Postby abajan » Wed Jul 26, 2017 9:44 am

Just to put an image to the 8 AM update:

Image
(Not that it's markedly different from the 2 AM one :lol:)
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Re: Wave SSW of Cabo Verde Islands

#16 Postby wxman57 » Wed Jul 26, 2017 10:50 am

The GFS isn't developing this wave, it is developing the wave that moves offshore on Sunday.
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Re: Wave over west Africa

#17 Postby SFLcane » Wed Jul 26, 2017 11:38 am

Alyono wrote:preliminarily, the models are showing major troughing off of the East Coast. Nothing would get close with the pattern being depicted


Yep.. been that way for yrs lol. :roll:
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Re: Wave over west Africa

#18 Postby Blown Away » Wed Jul 26, 2017 11:42 am

Alyono wrote:preliminarily, the models are showing major troughing off of the East Coast. Nothing would get close with the pattern being depicted


How much time needs to pass before a pattern becomes the normal, the EC troughing has been a near permanent feature for 10+ years... When it comes to the EC landfall drought, I'm puzzled why this troughing isn't discussed more?
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Re: Wave over west Africa

#19 Postby SFLcane » Wed Jul 26, 2017 11:54 am

Blown Away wrote:
Alyono wrote:preliminarily, the models are showing major troughing off of the East Coast. Nothing would get close with the pattern being depicted


How much time needs to pass before a pattern becomes the normal, the EC troughing has been a near permanent feature for 10+ years... When it comes to the EC landfall drought, I'm puzzled why this troughing isn't discussed more?


In my book that's what makes 2004,2005 unique in every imaginable way.
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Re: Wave SSW of Cabo Verde Islands

#20 Postby AutoPenalti » Wed Jul 26, 2017 11:55 am

wxman57 wrote:The GFS isn't developing this wave, it is developing the wave that moves offshore on Sunday.

Where have I seen this before... :roll:
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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)

TCVN
is a weighted averaged


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