Atlantic Tropical Waves,Comments,Sat Pics Thread #2

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wxman57
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#321 Postby wxman57 » Sat Jul 15, 2006 9:24 am

Scorpion wrote:Is the wave still there?


Oh, it's still there, looks like it's along 36W. Waves don't generally dissipate. They continue moving westward all across the Tropical Atlantic and the Caribbean Sea. Occasionally, there are no cloud features associated, but the wave is still there. The best way to find such a wave is via a water vapor loop. Of course, surface observations can be used to watch for NE winds shifting E then SE as the axis passes. But there aren't many such observations in the mid Atlantic.
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#322 Postby bvigal » Sun Jul 16, 2006 6:58 am

8am TWD:
...TROPICAL WAVES...
HIGH AMPLITUDE TROPICAL WAVE IS NEAR 51W SOUTH OF 19N MOVING WEST 15-20 KT. THE WAVE SHOWS AN INVERTED-V CLOUD PATTERN AND SCATTERED MODERATE CONVECTION ON THE NORTHERN END OF THE WAVE AXIS FROM 17N-19N. MOISTURE FROM THIS WAVE SHOULD BEGIN TO AFFECT THE LESSER ANTILLES ON MONDAY AND PUERTO RICO AND THE VIRGIN ISLANDS ON TUESDAY.
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#323 Postby drezee » Sun Jul 16, 2006 8:10 am

bvigal wrote:8am TWD:
...TROPICAL WAVES...
HIGH AMPLITUDE TROPICAL WAVE IS NEAR 51W SOUTH OF 19N MOVING WEST 15-20 KT. THE WAVE SHOWS AN INVERTED-V CLOUD PATTERN AND SCATTERED MODERATE CONVECTION ON THE NORTHERN END OF THE WAVE AXIS FROM 17N-19N. MOISTURE FROM THIS WAVE SHOULD BEGIN TO AFFECT THE LESSER ANTILLES ON MONDAY AND PUERTO RICO AND THE VIRGIN ISLANDS ON TUESDAY.


I really like that wave. It is not a "looker" but at the surface, it has 1-2 24 hour pressure falls and a nice wind shift. I believe the top of the wave is the part that has the most promise (if any). Whether it develops or not, it has a nice signature. The upper winds need to calm a bit before any development could occur.

http://www.ndbc.noaa.gov/show_plot.php? ... pres&uom=M
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#324 Postby drezee » Sun Jul 16, 2006 8:21 am

SAN JUAN:

LOOKING AHEAD...A TROPICAL WAVE WILL APPROACH THE LESSER ANTILLES
LATE TONIGHT AND MONDAY...ENTER THE EASTERN CARIBBEAN MONDAY
NIGHT...AND THEN PASS ACROSS THE U.S. VIRGIN ISLANDS AND PUERTO
RICO TUESDAY THROUGH TUESDAY NIGHT. THIS WAVE SHOULD BRING ANOTHER
SIGNIFICANT INCREASE IN CLOUDINESS...SHOWERS AND THUNDERSTORMS TO
THE LOCAL ISLANDS. GFS STILL APPEARS TO INDICATE THAT TUTT SHOULD
BE IN A BETTER LOCATION TO MORE FAVORABLY INTERACT WITH THE
TROPICAL WAVE AND ASSOCIATED MOISTURE THAN HAS BEEN THE CASE WITH
THE PAST FEW WAVES. BEHIND THIS TROPICAL WAVE...ANOTHER "OVERALL"
DRIER...MORE STABLE AND HAZY AIR MASS SHOULD MOVE INTO THE LOCAL
AREA WEDNESDAY AND THEN LINGER THROUGH THURSDAY.
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#325 Postby skysummit » Sun Jul 16, 2006 9:41 am

From the 46th Weather Squadron:

A tropical wave moving through the Caribbean continues to struggle and remains little threat to develop further. It will push WNW across Cuba and into the southeastern Gulf of Mexico by the end of the weekend. The northern end of this wave may bring us another chance of rain Monday and Tuesday.

A tropical wave in the extreme eastern Atlantic is still not very impressive. As it moves westward across the Atlantic over the next few days, we will watch to see if somewhat more-favorable atmospheric conditions begin allowing it to develop more than its predecessors. However, most indications are that conditions are still not favorable for tropical storm formation.
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#326 Postby cycloneye » Sun Jul 16, 2006 1:12 pm

HIGH AMPLITUDE TROPICAL WAVE IS ALONG 54W S OF 20N MOVING
W 15-20 KT. THE WAVE SHOWS AN INVERTED-V CLOUD PATTERN AND
SCATTERED MODERATE CONVECTION ON THE NORTHERN END OF THE WAVE
AXIS FROM 17N-19N WITHIN 240 NM W OF AXIS. MOISTURE FROM THIS
WAVE SHOULD BEGIN TO AFFECT THE LESSER ANTILLES ON MONDAY AND
PUERTO RICO AND THE VIRGIN ISLANDS ON TUESDAY.

From 2 PM Discussion.
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#327 Postby SouthFloridawx » Sun Jul 16, 2006 1:15 pm

cycloneye wrote:HIGH AMPLITUDE TROPICAL WAVE IS ALONG 54W S OF 20N MOVING
W 15-20 KT. THE WAVE SHOWS AN INVERTED-V CLOUD PATTERN AND
SCATTERED MODERATE CONVECTION ON THE NORTHERN END OF THE WAVE
AXIS FROM 17N-19N WITHIN 240 NM W OF AXIS. MOISTURE FROM THIS
WAVE SHOULD BEGIN TO AFFECT THE LESSER ANTILLES ON MONDAY AND
PUERTO RICO AND THE VIRGIN ISLANDS ON TUESDAY.


From 2 PM Discussion.


It has a really good V pattern if you look at the Visible Loop. Could it be possible for some development once the northern end is out of all that shear in the Caribbean and is above the Islands/PR/DR and in the Southern Bahamas?
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#328 Postby cycloneye » Sun Jul 16, 2006 7:18 pm

TROPICAL WAVE IS INTRODUCED ALONG 21W/22W S OF 18N MOVING W AT
15 KT. POSITION IS BASED ON UPPER AIR SOUNDINGS FROM DAKAR
SENEGAL AND SATELLITE IMAGERY. ISOLATED MODERATE CONVECTION IS
FROM 6N-12N BETWEEN 20W-23W. SCATTERED MODERATE TO ISOLATED
STRONG CONVECTION IS ALONG THE COAST OF W AFRICA...E OF THE WAVE
AXIS... FROM 7N-12N BETWEEN 10W-17W.

Above is the 8 PM discussion for this new wave that is introduced.If you recall,this system was the one I was watching a few days ago when it was inside Africa at the central part and mentioned at the Parade is Starting thread.
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#329 Postby Aric Dunn » Sun Jul 16, 2006 7:23 pm

Everyone is worried about that dissorganized Tropical wave when there is something way closer to home.... .. that system is siting right on that ULL its not a happening anytime soon... but the system East of jacksonville is a different storm..
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#330 Postby SouthFloridawx » Sun Jul 16, 2006 7:30 pm

Aric Dunn wrote:Everyone is worried about that dissorganized Tropical wave when there is something way closer to home.... .. that system is siting right on that ULL its not a happening anytime soon... but the system East of jacksonville is a different storm..


No one worrying here in this thread... just tracking tropical waves. :D

http://www.storm2k.org/phpbb2/viewtopic ... 7&start=80
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#331 Postby Aric Dunn » Sun Jul 16, 2006 7:35 pm

OK cool ...just checking...:) no but seriously System east of jacksonville becoming better organized .. I posted what i think in the other thred on it...
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#332 Postby SouthFloridawx » Sun Jul 16, 2006 7:37 pm

Aric Dunn wrote:OK cool ...just checking...:) no but seriously System east of jacksonville becoming better organized .. I posted what i think in the other thred on it...


I agree with you the system off the east coast could definitely something the Southeast Coast will have to deal with.

As far as the tropical waves the ULL and the High Upper Level shear over the Caribbean that is not the place to look for tropical development at this time. But, as we all know things can change very quickly.
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#333 Postby Jim Cantore » Sun Jul 16, 2006 10:19 pm

High Upper Level shear



Image
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#334 Postby SouthFloridawx » Sun Jul 16, 2006 10:29 pm

Hurricane Floyd wrote:
High Upper Level shear



Image


:fools:
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#335 Postby abajan » Mon Jul 17, 2006 5:29 am

Nice looking swirl with pretty decent convection exiting Africa:
http://www.ssd.noaa.gov/PS/TROP/DATA/RT/EATL/IR4/20.jpg

(Of course, windshear will rip it to shreads later!)
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#336 Postby bvigal » Mon Jul 17, 2006 6:27 am

HFloyd, that is so cute! Where in the world did you find that cartoon? (and do they have more weather humor?)

Good morning, aBajan! Did the current wave pass right over you during the night, with only a wind shift to show for itself?
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#337 Postby cinlfla » Mon Jul 17, 2006 7:22 am

Is anyone watching the wave in the central Atlantic? I'm looking for information on it but havn't seen any.
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#338 Postby cycloneye » Mon Jul 17, 2006 7:23 am

12:00z Full Disk Image

:uarrow: :uarrow: :uarrow: :uarrow: :uarrow:

It looks impressive that Eastern Atlantic wave,but for how long? If you want to see the full disk image you have to register but is for free.
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#339 Postby HurricaneHunter914 » Mon Jul 17, 2006 8:41 am

http://www.ssd.noaa.gov/goes/east/watl/avn-l.jpg

Wow look at these two waves, one near PR and the other one near Nicaragua. Any possible development?
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#340 Postby HurricaneHunter914 » Mon Jul 17, 2006 8:43 am

cycloneye wrote:12:00z Full Disk Image

:uarrow: :uarrow: :uarrow: :uarrow: :uarrow:

It looks impressive that Eastern Atlantic wave,but for how long? If you want to see the full disk image you have to register but is for free.


WHOA! Cycloneye I almost though that was a Hurricane. Here is an IR image.

http://www.ssd.noaa.gov/PS/TROP/DATA/RT/EATL/IR4/20.jpg
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