ATL: TROPICAL DEPRESSION ALEX - DISCUSSION

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tolakram
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Re: ATL: INVEST 93L - DISCUSSION

#661 Postby tolakram » Wed Jun 23, 2010 12:21 pm

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I'm going to disagree with 'looks like crap'. :) I believe the new center is / will form SW of Jamaica where things seem to be coming together and MIMIC-TPW shows the most turning. There's a lot of spin there, just not obvious yet on the surface. Storms currently developing over what I think will be the NE side of a new surface low. I'm wrong 95.8% of the time so ....
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Re: ATL: INVEST 93L - DISCUSSION

#662 Postby Ivanhater » Wed Jun 23, 2010 12:24 pm

tolakram wrote:Personal Forecast Disclaimer:
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I'm going to disagree with 'looks like crap'. :) I believe the new center is / will form SW of Jamaica where things seem to be coming together and MIMIC-TPW shows the most turning. There's a lot of spin there, just not obvious yet on the surface. Storms currently developing over what I think will be the NE side of a new surface low. I'm wrong 95.8% of the time so ....


Lol, maybe I was a little harsh :lol: Good observations though...
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Re: ATL: INVEST 93L - DISCUSSION

#663 Postby bvigal » Wed Jun 23, 2010 12:26 pm

Image
Hadn't seen that yet, thanks. Makes me wonder about SST fix, more center of that blob vs 12z model fix.
23/1145 UTC 16.7N 72.6W TOO WEAK 93L
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Re: ATL: INVEST 93L - DISCUSSION

#664 Postby clfenwi » Wed Jun 23, 2010 12:26 pm

Inspired by Hurakan's recent post showing 850 mb vorticity... looks like ever so slightly less vorticity associated with the maxes in the Caribbean compared to 12 hours ago. (Spinup of Darby appears nicely, however.)

This morning:

Image

12 hours earlier:

Image
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#665 Postby HURAKAN » Wed Jun 23, 2010 12:28 pm

Image

:lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:
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#666 Postby HURAKAN » Wed Jun 23, 2010 12:31 pm

Image

Three areas to watch

Image

Shear
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Re: ATL: INVEST 93L - DISCUSSION

#667 Postby PauleinHouston » Wed Jun 23, 2010 12:35 pm

Looks like they might run out there and have a look tomorrow??

NOUS42 KNHC 231345
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
0945 AM EDT WED 23 JUNE 2010
SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)
VALID 24/1100Z TO 25/1100Z JUNE 2010
TCPOD NUMBER.....10-023

I. ATLANTIC REQUIREMENTS
1. SUSPECT AREA (SOUTHWEST OF JAMAICA)
FLIGHT ONE - TEAL 70
A. 24/1800Z
B. AFXXX 01AAA INVEST
C. 24/1330Z
D. 16.5N 80.0W
E. 24/1700Z TO 24/2100Z
F. SFC TO 10,000 FT

FLIGHT TWO - TEAL 71
A. 25/0600Z
B. AFXXX 0201A CYCLONE
C. 25/0200Z
D. 17.0N 81.0W
E. 25/0400Z TO 25/0830Z
F. SFC TO 10,000 FT

2. SUCCEEDING DAY OUTLOOK: CONTINUE 12 HRLY
FIXES IF SYSTEM REMAINS A THREAT.
3. REMARKS: TASKING FOR 23/1800Z AND 24/0600Z
CANCELED BY NHC AT 23/0930Z.
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Re: ATL: INVEST 93L - DISCUSSION

#668 Postby wxwatcher91 » Wed Jun 23, 2010 12:37 pm

Image

Image is from earlier this morning (1315z)
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Re: ATL: INVEST 93L - DISCUSSION

#669 Postby Andy_L » Wed Jun 23, 2010 12:40 pm

PauleinHouston wrote:Looks like they might run out there and have a look tomorrow??

NOUS42 KNHC 231345
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
0945 AM EDT WED 23 JUNE 2010
SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)
VALID 24/1100Z TO 25/1100Z JUNE 2010
TCPOD NUMBER.....10-023

I. ATLANTIC REQUIREMENTS
1. SUSPECT AREA (SOUTHWEST OF JAMAICA)
FLIGHT ONE - TEAL 70
A. 24/1800Z
B. AFXXX 01AAA INVEST
C. 24/1330Z
D. 16.5N 80.0W
E. 24/1700Z TO 24/2100Z
F. SFC TO 10,000 FT

FLIGHT TWO - TEAL 71
A. 25/0600Z
B. AFXXX 0201A CYCLONE
C. 25/0200Z
D. 17.0N 81.0W
E. 25/0400Z TO 25/0830Z
F. SFC TO 10,000 FT

2. SUCCEEDING DAY OUTLOOK: CONTINUE 12 HRLY
FIXES IF SYSTEM REMAINS A THREAT.
3. REMARKS: TASKING FOR 23/1800Z AND 24/0600Z
CANCELED BY NHC AT 23/0930Z
.


not tomorrow ...maybe the 25th though.....
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Re: ATL: INVEST 93L - DISCUSSION

#670 Postby thetruesms » Wed Jun 23, 2010 12:41 pm

PauleinHouston wrote:Looks like they might run out there and have a look tomorrow??
Or they may end up canceling it all again - I think each day is going to be a gametime decision for recon
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Re: ATL: INVEST 93L - DISCUSSION

#671 Postby Andy_L » Wed Jun 23, 2010 12:41 pm

oopsssss....my bad. It was the 0600 tasking that was cancelled not the 1800 for the 24th
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Re: ATL: INVEST 93L - DISCUSSION

#672 Postby eastcoastFL » Wed Jun 23, 2010 12:47 pm

never fear the shear
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Re: ATL: INVEST 93L - DISCUSSION

#673 Postby cycloneye » Wed Jun 23, 2010 12:50 pm

TWOAT
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED JUN 23 2010

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

AN ELONGATED AREA OF DISTURBED WEATHER EXTENDS FROM EASTERN CUBA AND
JAMAICA EASTWARD ACROSS HISPANIOLA TO PUERTO RICO AND THE ADJACENT
WATERS OF THE NORTHERN CARIBBEAN SEA. THE RECONNAISSANCE AIRCRAFT
SCHEDULED TO INVESTIGATE THIS SYSTEM TODAY WAS CANCELED DUE TO LACK
OF ORGANIZATION OF THIS DISTURBANCE. HOWEVER...UPPER-LEVEL WINDS
STILL APPEAR CONDUCIVE FOR SOME SLOW DEVELOPMENT AS THE SYSTEM
MOVES WESTWARD OR WEST-NORTHWESTWARD AROUND 10 MPH OVER THE NEXT
DAY OR TWO. HEAVY RAINFALL COULD AFFECT PORTIONS OF JAMAICA...
CUBA...HAITI...THE DOMINICAN REPUBLIC...AND PUERTO RICO OVER THE
NEXT COUPLE OF DAYS. THERE IS A MEDIUM CHANCE...30 PERCENT...OF
THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

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

$$
FORECASTER STEWART/CANGIALOSI

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#674 Postby eastcoastFL » Wed Jun 23, 2010 12:52 pm

big fat 30%
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Re:

#675 Postby cycloneye » Wed Jun 23, 2010 12:54 pm

eastcoastFL wrote:big fat 30%


Is so fat that they even mention where I am.
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Re: ATL: INVEST 93L - DISCUSSION

#676 Postby Blown Away » Wed Jun 23, 2010 12:58 pm

bvigal wrote:Image
Hadn't seen that yet, thanks. Makes me wonder about SST fix, more center of that blob vs 12z model fix.
23/1145 UTC 16.7N 72.6W TOO WEAK 93L


If 16.7N/72.6W is 93L's position, why aren't the models initializing there? 93L moving W or WNW at 10 mph, come on that area has been parked at this location since last night. IMO drifting W or WNW at best!
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Re: ATL: INVEST 93L - DISCUSSION

#677 Postby Extremeweatherguy » Wed Jun 23, 2010 1:01 pm

:uarrow: I was thinking the same thing Blown Away. The models seem to be initializing too far southwest IMO. They are starting from the far lower left edge of the NHC's 2pm Orange risk bubble. That area does have some spin, and might be where the most vorticity currently is, however if 93L actually develops I wouldn't be surprised if things come together a little further north and east closer to the convection. Overall though, this system still has a long way to go and nothing would really surprise me at this point. Until one area really begins to "take off", the exact model initialization point is probably not too important.

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Last edited by Extremeweatherguy on Wed Jun 23, 2010 1:16 pm, edited 3 times in total.
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#678 Postby HURAKAN » Wed Jun 23, 2010 1:10 pm

Image

Latest
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Re: ATL: INVEST 93L - DISCUSSION

#679 Postby cycloneye » Wed Jun 23, 2010 1:11 pm

Closeup of the 2 PM TWO circle.

Image
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Re: ATL: INVEST 93L - DISCUSSION

#680 Postby BigA » Wed Jun 23, 2010 1:32 pm

I don't want to read too much into an orange circle, but it looks like the NHC thinks that if an LLCC forms, it will be within that curving band of thunderstorms from the northeast to southeast of Jamaica.
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