NE of Azores Islands : INVEST 92L

[HURAKAN]

[DanieleItalyRm]

[masaji79]

It's funny this invest has looked better than some of the tropical storms last year like Arthur and Nana.

[DanieleItalyRm]

for me it's an evident tropical storm like others insolit north Atlantic Hurricane over cold water and derived from exstratropical cyclone or cut off (Vince,Karl,ecc.)

[littlevince]

Some pictures of the day:


12:55 UTC




14:40 UTC




18:00 UTC

[Cyclone1]

It looks good. Real nice, but visibles can be decieving. Convection actually doesn't look too deep.

It better start flaring some up soon.

[Cookie]

what a strange little system this turned into

[Squarethecircle]

Yes, it's certainly very pretty if nothing else.

[theavocado]

It sure looks cold core to me. Shallow convection, possibility of frontogenesis on the SE quadrant, cold anomaly. (The warm anomaly aloft is the result of tropopause suppression and stratospheric air getting into the cross section...it is north of 40N after all).

[cycloneye]

Its Over!

123
ABNT20 KNHC 032337
TWOAT
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT WED JUN 3 2009

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

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

$$
FORECASTER AVILA

http://www.storm2k.org/weather/hw3.php? ... hwvmetric=

[brunota2003]

It's never really had deep convection, let alone had it continuously.

[cycloneye]

The ultimate dagger! No mas on NRL.

BEGIN
NHC_ATCF
invest_DEACTIVATE_al922009.ren
FSTDA
R
U
040
010
0000
200906040016
NONE
NOTIFY=ATRP
END

ftp://ftp.tpc.ncep.noaa.gov/atcf/tcweb/


The thread will remain at the forum to allow those members who may want to make final comments about ex 92L to do so until thursday night.

[CrazyC83]

Now we wait for the reanalysis.

[MGC]

Reanalysis? 92L was never a TC. Sure it looked great from space but it was cold core all the way.....MGC

[Macrocane]

I don't expect it to be upgraded to TC on reanalysis but maybe to a Subtropical Cyclone.

[DanieleItalyRm]

Reanalysis? 92L was never a TC. it was cold core all the way.....MGC

92L it's a Tropical storm for me, with warm core, 994 hpa and 45-50 knots wind.
92L it's evident tropical storm like others insolit north Atlantic tropical cyclones over cold water and derived from exstratropical cyclone or cut off (Vince, Karl, Zeta, Ivan, Edouard, hurricane eight, ecc).
This is my final comment.
Daniele














My composit:

[CrazyC83]

Looking at that QuikSCAT barb, it looks like a 55 kt peak intensity derived by it.

[Pedro Fernández]

We were following 92L evolution with great interest from Spain... I would like to say that threshold values in Meteorology is a dangerous area.

As Daniele argues, 92L showed a warm core (I think shallow, of course), 994 hPa of minimun pressure and 45-50 KT winds close to the center. Even NHC assumed it was adquiring tropical characteristics.

In my opinión, if not named ANA, this little system has been very interesting. I would like to see another more in september - october, with a higher SST in that area..........................

[brunota2003]

Reminds me of a Nor' Easter off of the coast of North Carolina back in May of 2005...Sat picture saved by NWS Newport/Morehead City, NC of this system:



Write up on that Nor' Easter from same NWS office:
http://www.erh.noaa.gov/mhx/06May2005/050605event.html

[Pedro Fernández]

Wow.............. very interesting, Brunota

Extracting of that paper: "indicating that the smaller-scale circulation embedded within the synoptic extratropical system had probably obtained subtropical (hybrid) characteristics."