First system-In a warm contest, interesting little warm core cyclone over Mediterranean sea
Estofex:
The cut-off over the far eastern Mediterranean continues to move eastwards.
Departing upper low still affects most parts of Turkey. Winds at all levels constantly decrease during the forecast period but remain strong enough for organized thunderstorms (e.g. DLS around 15m/s and augmented directional shear). Scattered thunderstorms are forecast with a large hail/severe wind gust risk as subcloud layer is well mixed with LCLs between 1-2km. Thunderstorms continue well into the night hours.
Max in Rome today +32°C..
Daniele
MED: (Sub)Tropical Depression over the eastern Mediterranean
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MED: (Sub)Tropical Depression over the eastern Mediterranean
Last edited by DanieleItalyRm on Wed Sep 02, 2009 1:11 pm, edited 1 time in total.
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
An impressive little system, warm waters, not much shear, but theres no convergence at the surface and no upper level support either, its just a cluster of storms.
Its more impressive than 90L though
Its more impressive than 90L though
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
there is convergence at the surface, cat5... look at the inflow
from a very quick look... this doesnt look like it'll have enough time to become a depression... but this is far better organized than 90L
from a very quick look... this doesnt look like it'll have enough time to become a depression... but this is far better organized than 90L
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
Derek Ortt wrote:there is convergence at the surface, cat5... look at the inflow
from a very quick look... this doesnt look like it'll have enough time to become a depression... but this is far better organized than 90L
Do you have a loop of the area by any chance? I cant find one.
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
Last edited by DanieleItalyRm on Wed May 20, 2009 1:33 pm, edited 2 times in total.
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
I dont have a sat loop of the region, unfortunately.
would need a color IR shot to be sure. But the vis is surely impressive
would need a color IR shot to be sure. But the vis is surely impressive
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
Many Thanks for attention
Vorticity:
The low have 1008 hpa, unfortunately the European maps not good for identification little mediterranean storms (real winds,pressure,core,ecc).
Little loop:
http://wind.met.fu-berlin.de/cgi-bin/me ... ode=Endlos
Click infrared and >>> for Ir archive:
http://www.sat24.com/history.aspx?country=gr
Vorticity:
The low have 1008 hpa, unfortunately the European maps not good for identification little mediterranean storms (real winds,pressure,core,ecc).
Little loop:
http://wind.met.fu-berlin.de/cgi-bin/me ... ode=Endlos
Click infrared and >>> for Ir archive:
http://www.sat24.com/history.aspx?country=gr
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
Vorticity is mighty impressive.
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
I suspect given the area it was in its highly probable that it was a warm core system by the time it reached its peak, SST's are warm enough as well it seems, these mediterranean systems do seem to occur fairly often don't they!
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
The little low circulation keeps rotating even though weakened..
but it is clearly a depression, look loop sat
You often dont consider the particularity of Mediterranean climate..
the big warm air and flux from north Africa helps depressions to become in warm core system.
Daniele
but it is clearly a depression, look loop sat
You often dont consider the particularity of Mediterranean climate..
the big warm air and flux from north Africa helps depressions to become in warm core system.
Daniele
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
the reason why I cannot say that it is a depression is because of the nature of the definition of tropical depression. I would need an IR loop to be sure.
Closed low is there... not sure about the organized convection persisting around the center
Closed low is there... not sure about the organized convection persisting around the center
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
Did you notice all the dust that is being drawn into the circulation from Egypt?....MGC
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Re: MED: (Sub)Tropical Depression over the eastern Mediterranean
Loop: http://oiswww.eumetsat.org/IPPS/html/MS ... /index.htm
Click on "24."
Looking at the loop, there doesn't seems to be anything at the surface, it seems to have been a mid-level or upper-level feature. Something that you need for tropical development is persistent convection over a LLC for at least 24 hours or more. This system just forms and poofs away. No tropical or subtropical system in my opinion.
Click on "24."
Looking at the loop, there doesn't seems to be anything at the surface, it seems to have been a mid-level or upper-level feature. Something that you need for tropical development is persistent convection over a LLC for at least 24 hours or more. This system just forms and poofs away. No tropical or subtropical system in my opinion.
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