Disturbance in the western Caribbean (Is invest 98L)

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Blown Away
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Re: Disturbance in the western Caribbean - Code Yellow

#241 Postby Blown Away » Fri Oct 08, 2010 7:28 am

Image

TAFB has a surface low in 72 hours and it's stationary.

Image
http://www.hpc.ncep.noaa.gov/medr/day7nav_color.html

HPC has this low moving from the SW Caribbean skimming over the coast of Honduras/Nicaragua into the NW Caribbean in 7 days. Looks like this low will be down in the Caribbean at least 10 days. If upper level winds are favorable we could see a big hurricane because the prediction is for this low to mostly stay over warm water instead of hugging the coast.
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#242 Postby SouthDadeFish » Fri Oct 08, 2010 7:35 am

NAM is really aggressive on the last run. It seems to rapidly intensify the disturbance from 72-84 hours. Then again, the NAM isn't all that helpful for tropical development compared to the other models.
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Re: Disturbance in the western Caribbean - Code Yellow

#243 Postby LarryWx » Fri Oct 08, 2010 10:10 am

The 12Z NAM fwiw is much weaker with the storm than was the 6z NAM (don't shoot the messenger ;)). Of course, the NAM is a pretty poor tropical model that is quite often too aggressive with development. So, I take it with a grain of salt when it is an outlier model showing strong development. Also, if it doesn't develop something, I take it as a strong sign that something won't develop.
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Re: Disturbance in the western Caribbean - Code Yellow

#244 Postby Sanibel » Fri Oct 08, 2010 10:20 am

Wish we had a better satellite on this because there appears to be something down there. Maybe when Otto pulls out it will develop.
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Re: Disturbance in the western Caribbean - Code Yellow

#245 Postby MGC » Fri Oct 08, 2010 10:30 am

Convection has dimished a bit near the low which is moving NE this morning. I guess soem dry air is killing it off......MGC
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Re: Disturbance in the western Caribbean - Code Yellow

#246 Postby SouthDadeFish » Fri Oct 08, 2010 10:38 am

Sanibel wrote:Wish we had a better satellite on this because there appears to be something down there. Maybe when Otto pulls out it will develop.


RAMSDIS has a great satellite feed on it. http://rammb.cira.colostate.edu/ramsdis/online/tropical.asp
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Re: Disturbance in the western Caribbean - Code Yellow

#247 Postby Boriken » Fri Oct 08, 2010 10:40 am

What are the chances this develops, becomes a lefty and hits DR or PR?
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Re: Disturbance in the western Caribbean - Code Yellow

#248 Postby Florida1118 » Fri Oct 08, 2010 10:42 am

Boriken wrote:What are the chances this develops, becomes a lefty and hits DR or PR?

20% in the next 48 hrs. All we know.
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#249 Postby HURAKAN » Fri Oct 08, 2010 12:44 pm

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Re: Disturbance in the western Caribbean - Code Yellow

#250 Postby cycloneye » Fri Oct 08, 2010 12:50 pm

Down to 10%

TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT FRI OCT 8 2010

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

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE OTTO...
LOCATED ABOUT 445 MILES SOUTH OF BERMUDA.

CLOUDINESS AND SHOWERS ASSOCIATED WITH A WEAK LOW PRESSURE SYSTEM IN
THE SOUTHWESTERN CARIBBEAN SEA REMAIN DISORGANIZED. ENVIRONMENTAL
CONDITIONS APPEAR CONDUCIVE FOR SOME SLOW DEVELOPMENT OF THIS
SYSTEM AS IT MOVES LITTLE DURING THE NEXT FEW DAYS. THERE IS A LOW
CHANCE...10 PERCENT...OF TROPICAL CYCLONE FORMATION DURING THE NEXT
48 HOURS.

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

$$
FORECASTER KIMBERLAIN

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#251 Postby HURAKAN » Fri Oct 08, 2010 12:56 pm

Down to 10% but they're actually not calling for its demise but for slow development, which makes sense
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#252 Postby Vortex » Fri Oct 08, 2010 2:03 pm

nothing much doing or forecasted by the models any longer....
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#253 Postby HURAKAN » Fri Oct 08, 2010 2:28 pm

Image

Still looks interesting
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Re: Disturbance in the western Caribbean - Code Yellow

#254 Postby Sanibel » Fri Oct 08, 2010 2:28 pm

Something's turning down there, dry as it is.
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#255 Postby HURAKAN » Fri Oct 08, 2010 2:35 pm

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Re: Disturbance in the western Caribbean - Code Yellow

#256 Postby HURRICANELONNY » Fri Oct 08, 2010 3:46 pm

I think when Otto moves out of the way. Moisture will slowly increase. Then maybe the models will jump on it.
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Re: Disturbance in the western Caribbean - Code Yellow

#257 Postby cycloneye » Fri Oct 08, 2010 3:50 pm

It may take a while to get something going, if what they say here is right. Below is an excerpt from the San Juan NWS discussion.

OVERALL...NEXT WEEK LOOKS DRIER THAN NORMAL UNDER STRONG MID-UPPER
LEVEL RIDGE AND WITH MJO AMPLIFLYING ACROSS THE WRN
PACIFIC/MARITIME CONTINENT THAT SHOULD FAVOR SUPPRESSED CONVECTION
ACROSS THE WRN HEMISPHERE.

http://forecast.weather.gov/product.php ... glossary=1
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#258 Postby Vortex » Fri Oct 08, 2010 3:52 pm

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Re:

#259 Postby Shuriken » Fri Oct 08, 2010 4:11 pm

SouthDadeFish wrote:I'm skeptical if anything will even develop for now. And if it does, most likely will get its head ripped off as it approaches Cuba.
The most likely scenarios IMO are an east-bound Lenny-style system, or (worse) a quasi-stationary Mitch storm.
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#260 Postby HURAKAN » Fri Oct 08, 2010 4:13 pm

Loop - http://rammb.cira.colostate.edu/ramsdis ... _floater_2

nice spin and convection appears to be slowly increasing
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