Atlantic INVEST 94L

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benny
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#101 Postby benny » Fri Jun 15, 2007 8:40 am

Hyperstorm wrote:Just because a disturbance loses some convection for a while doesn't mean it's dead or that the chances of development have greatly diminished. Yesterday, many were excited about the possibility of development. Now today, we're seeing complete negativism among most. Come on, people...remember how the tropics can change in an instant. They've done it before!

I'm currently seeing a disturbance that has all the potential to become a player during the next few days. In fact, latest satellite images do indicate popcorn-type convection firing up just to the S of Isla Juventud. This system does have the look of one that wants to separate from the trough to the NE and be "left behind". This is a scenario that is typically quite favorable for development as these types of systems tend to find better upper-levels as the trough pulls away. There also seems to be some kind of mid-level twisting to the S and SW of Isla Juventud, which is definitely sparking my interest.

I do expect the recon mission today to be cancelled, but don't be surprised if it's re-scheduled for tomorrow afternoon, as it appears that the upper-levels will continue to become more favorable over the next 24-36 hours. It seems like the pieces are coming together for a low pressure center to form rather soon. Keep an eye on it...


I'm not trying to be negative, just trying to be realistic. The whole area has gotten very disorganized over the past 24 hours. Models are no longer developing anything. Most of the low-level energy is in the far NW Caribbean (north of 20n).. and is only moving northward as that old frontal boundary heads toward Florida. It doesn't seem like a good environment to me... and all of the models in unison are moving the disturbance northward into the higher shear. I don't see anything I really like in terms of enhanced changes of genesis...
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#102 Postby miamicanes177 » Fri Jun 15, 2007 9:08 am

Dr. Jeff Masters has a different tune than some on this board. He believes a tropical depression might form from this...possibly a tropical storm with 50mph winds this weekend.
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#103 Postby sunnyday » Fri Jun 15, 2007 9:11 am

Could you please tell me where Jeff Masters feels the possible storm will go?
Thanks! 8-)
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#104 Postby miamicanes177 » Fri Jun 15, 2007 9:13 am

he thinks it's going across florida
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#105 Postby SouthFloridawx » Fri Jun 15, 2007 9:14 am

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#106 Postby Chacor » Fri Jun 15, 2007 9:14 am

000
NOUS42 KNHC 151400
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
1000 AM EDT FRI 15 JUN 2007
SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)
VALID 16/1100Z TO 17/1100Z JUNE 2007
TCPOD NUMBER.....07-023

I. ATLANTIC REQUIREMENTS
1. NEGATIVE RECONNAISSANCE REQUIREMENTS.
2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE.
3. REMARKS: INVEST FOR 15/1800Z IN GULF OF MEXICO
CANCELED BY NHC AT 15/1235Z.


II. PACIFIC REQUIREMENTS
1. NEGATIVE RECONNAISSANCE REQUIREMENTS.
2. SUCCEEDING DAY OUTLOOK.....NEGATIVE.
JWP
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#107 Postby CrazyC83 » Fri Jun 15, 2007 9:34 am

Not surprised to see the mission canceled. I don't think this is going to develop.
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#108 Postby Weatherfreak000 » Fri Jun 15, 2007 9:37 am

http://cimss.ssec.wisc.edu/tropic/real- ... g8sht.html

Wind Shear is finally on the decrease ladies and gents...


It's possibility to fire some convection is here, it needs to get the ball rolling or no dice.
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#109 Postby miamicanes177 » Fri Jun 15, 2007 10:20 am

000
ABNT20 KNHC 151505
TWOAT
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1130 AM EDT FRI JUN 15 2007

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

THE SHOWER ACTIVITY OVER THE NORTHWESTERN CARIBBEAN SEA AND PORTIONS
OF CUBA HAS BECOME LESS ORGANIZED SINCE YESTERDAY AND SURFACE
PRESSURES ARE RISING IN THE AREA. THE RECONNAISSANCE AIRCRAFT
PREVIOUSLY SCHEDULED TO INVESTIGATE THE AREA HAS BEEN CANCELED.

TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS.

$$
FORECASTER AVILA
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#110 Postby dwg71 » Fri Jun 15, 2007 10:34 am

Next...
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#111 Postby Stormcenter » Fri Jun 15, 2007 10:36 am

It's June folks. What do you expect? :D
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#112 Postby wzrgirl1 » Fri Jun 15, 2007 10:37 am

It's still a let down though..........still hoping for a lot of rain though :lol:
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#113 Postby Aric Dunn » Fri Jun 15, 2007 10:45 am

Weatherfreak000 wrote:http://cimss.ssec.wisc.edu/tropic/real-time/atlantic/winds/wg8sht.html

Wind Shear is finally on the decrease ladies and gents...


It's possibility to fire some convection is here, it needs to get the ball rolling or no dice.


thats ok... but in this case! come no shear means a much more stable environment .. and not enough lifting ! so i can make a pretty good guess here and say that if no convection begins to fire in the NW carrir near whats left of the broad turning that is still evedent on sat. then its DEAD and most likely will not come back...
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#114 Postby wxman57 » Fri Jun 15, 2007 10:45 am

miamicanes177 wrote:Dr. Jeff Masters has a different tune than some on this board. He believes a tropical depression might form from this...possibly a tropical storm with 50mph winds this weekend.


He's also making the incorrect assumption that it's moving NW as per the BAM models. But it's just not doing that. What we have are several very weak tropical waves moving from east to west and interacting with an upper low. With Barry, we had a trof across the central Gulf which drew the moisture northward into the eastern Gulf. With this system, the trof is east of Florida. Thus the moisture is being drawn NE across Cuba and the Bahamas, NOT into the Gulf. Ignore the models and look at what's actually happening. Besides, the models have(had) it initialized in an area that's now void of convection. Pressures across the NW Caribbean have now risen 6mb since yesterday, the upper low is cutting across Cuba, and winds at the surface are straight SE-SSE at only 10-15 mph across the thunderstorm area. Nothing is moving into the Gulf, and development is unlikely this weekend.
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#115 Postby Aric Dunn » Fri Jun 15, 2007 10:49 am

wxman57 wrote:
miamicanes177 wrote:Dr. Jeff Masters has a different tune than some on this board. He believes a tropical depression might form from this...possibly a tropical storm with 50mph winds this weekend.


He's also making the incorrect assumption that it's moving NW as per the BAM models. But it's just not doing that. What we have are several very weak tropical waves moving from east to west and interacting with an upper low. With Barry, we had a trof across the central Gulf which drew the moisture northward into the eastern Gulf. With this system, the trof is east of Florida. Thus the moisture is being drawn NE across Cuba and the Bahamas, NOT into the Gulf. Ignore the models and look at what's actually happening. Besides, the models have(had) it initialized in an area that's now void of convection. Pressures across the NW Caribbean have now risen 6mb since yesterday, the upper low is cutting across Cuba, and winds at the surface are straight SE-SSE at only 10-15 mph across the thunderstorm area. Nothing is moving into the Gulf, and development is unlikely this weekend.


agreed completely except there is still turning in the far sw portion of the NW carrib .. as seen on sat. maybe thats what everyone including the models are still hanging onto ... cant find any north winds or sw .. but visible clearly shows some north to south motion in the low levels.. and maybe even some wsw winds..
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#116 Postby Steve » Fri Jun 15, 2007 10:55 am

http://www.nco.ncep.noaa.gov/pmb/nwprod ... loop.shtml

NAM/ETA is doing what one of the globals had at 00z. That was to move some of the moisture into the central gulf and nose the west Atlantic ridge a bit into the Gulf. It looks like it forms a temporary surface low. NAM was decent with Barry in some respsects.

Steve
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#117 Postby Aric Dunn » Fri Jun 15, 2007 10:57 am

again here is another crude images ..... but show some of the visible features that maybe whats throwing everyone off.. there is still broad turning.... but no convection .. its now in a more stable environment ... so there is not much time left before this thing loses whatever it has left..

Image
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#118 Postby Aric Dunn » Fri Jun 15, 2007 11:15 am

and here is another thing!! there are multiple swirls... along that trough... all in all is very disorganized!!!!! so far nothing has happened that is ver impressive.. so lets just watch today and if nothing happens its OVER !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Image
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#119 Postby Brent » Fri Jun 15, 2007 11:23 am

NEXT!
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#120 Postby CrazyC83 » Fri Jun 15, 2007 11:27 am

Never really had a chance. Only if we had 100-degree water, perfect humidity and zero shear constantly would every blob become a storm.
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