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Remnants of Nadine (14L)


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The invest is still to the east of the center of the convectively suppressed phase of an eastward propagating atmospheric Kelvin wave. While it is to be seen if this Kelvin wave will attenuate, the tropical cyclone is still in an environment (relative to the convectively suppressed phase of the Kelvin wave) characterized by reduced low-to-mid-level vertical wind shear, and increased low-level cyclonic relative vorticity (enhanced low-level equatorial westerly flow in association to the large-scale low-level diveregence associated with the convectively suppressed phase of the Kelvin wave). If this thing manages to spin up into a tropical cyclone, I see it struggling during the next couple of days. You occassionally see the decoupling of convection with the low-level vortex during these types of passages... followed by intensification once the convectively suppressed phase is well to the east of the tropical cyclone, or if the tropical cyclone recurves.

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The wave after the wave after 91 looks pretty interesting on the 0Z GFS.

Actually, it is two waves after 91L. The run ends with it crossing over everyone's favorite island, Shredderola, on 9/26. Of course, talking about day 16 on the op. GFS is purely for entertainment.

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91L makes me a little sad. 4 and 5 days ago a couple of runs of the GFS, and more ensemble members, said I'd have a 74th anniversary 1938 storm. Not to be.

Too well developed to be at 15ºN and 43ºW and not fish the way this season has gone. Convection not quite over the center, but they can drop the TD tag on it at any time.

6Z GFS 2 week fanstasy system is weaker and North of the islands, as if that is important.

post-138-0-32060900-1347363332_thumb.gif

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Euro recurveus interruptus with a turn back due West near 35ºN would be potentially exciting.

Seems counterintuitive, but exciting.

If a tropical cyclone came from around 50ºW and well North of 30ºN to hit the ECUSA, it would surpass the South Texas 2004 Christmas Snow as the biggest weather miracle since Exodus.

msl_uv850_z500!Geopotential%20500%20hPa%20and%20Temperature%20at%20850%20hPa!216!North%20America!pop!od!oper!public_plots!2012091112!!chart.gif

msl_uv850_z500!Geopotential%20500%20hPa%20and%20Temperature%20at%20850%20hPa!240!North%20America!pop!od!oper!public_plots!2012091112!!chart.gif

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Upgraded to Nadine. Name waster.

I wouldn't go that far.

THE LAST FEW VISIBLE IMAGES INDICATED NADINE HAD DEVELOPED A TIGHT

INNER-CORE CIRCULATION. NOW THAT DEEP CONVECTION AND A POSSIBLE CDO

FEATURE HAVE FORMED OVER THE WELL-DEFINED LOW-LEVEL CENTER...THE

POSSIBILITY OF RAPID INTENSIFICATION SOMETIME DURING THE NEXT 24-36

HOURS EXISTS

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