ATL: ANA - Post-Tropical - Discussion
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Re: ATL: ANA - Subtropical Storm - Discussion
Poor little Ana is gonna get ripped to shreds within 12-24 hours. Maybe that new expanding and wrapping convection could cause a bit of last-minute strengthening.
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I am only a meteorology enthusiast who knows a decent amount about tropical cyclones. Look to the professional mets, the NHC, or your local weather office for the best information.
I am only a meteorology enthusiast who knows a decent amount about tropical cyclones. Look to the professional mets, the NHC, or your local weather office for the best information.
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Re: ATL: ANA - Subtropical Storm - Discussion

Tropical in my opinion and probably deserving of 5-10 knots of increase 1 minute winds.
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Re: ATL: ANA - Subtropical Storm - Discussion
Sciencerocks wrote:https://imagizer.imageshack.com/img924/9951/pjn7jp.gif
Tropical in my opinion and probably deserving of 5-10 knots of increase 1 minute winds.
ATCF seems to agree as it now shows it as tropical.
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Re: ATL: ANA - Tropical Storm - Discussion
AL, 01, 2021052306, , BEST, 0, 354N, 611W, 40, 1006, TS, 34, NEQ, 0, 50, 40, 0, 1015, 200, 15, 0, 0, L, 0, , 0, 0, ANA, M, 0, , 0, 0, 0, 0, genesis-num, 001,
TXNT25 KNES 230605
TCSNTL
A. 01L (ANA)
B. 23/0530Z
C. 35.3N
D. 61.2W
E. THREE/GOES-E
F. T1.0/1.0
G. IR/EIR/SWIR
H. REMARKS...GREATER THAN 2/10 BANDING YIELDS A DT=1.0. FT IS BASED
ON DT.
I. ADDL POSITIONS
NIL
...SANDUSKY
TCSNTL
A. 01L (ANA)
B. 23/0530Z
C. 35.3N
D. 61.2W
E. THREE/GOES-E
F. T1.0/1.0
G. IR/EIR/SWIR
H. REMARKS...GREATER THAN 2/10 BANDING YIELDS A DT=1.0. FT IS BASED
ON DT.
I. ADDL POSITIONS
NIL
...SANDUSKY
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Re: ATL: ANA - Subtropical Storm - Discussion
Not bad at all. One final impressive dMax show before going.


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Re: ATL: ANA - Subtropical Storm - Discussion
I'm gonna miss the little thing, but I suppose I can't do anything but let it go. 
Been fun to watch it continue the early starts that the previous 6 seasons had as well, though.

Been fun to watch it continue the early starts that the previous 6 seasons had as well, though.
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Undergraduate Meteorology Student, Georgia Institute of Technology
Re: ATL: ANA - Tropical Storm - Discussion
Satellite images indicate that Ana has contracted significantly
since yesterday and now has a compact area of moderate convection
around the center. Given the tight low-level circulation, small
radius of maximum wind, and compact central convection, Ana is
now estimated to have transitioned from a subtropical storm to a
tropical storm. The initial intensity remains 40 kt for this
advisory based on the earlier ASCAT data, which indicated that the
tropical-storm-force winds were confined to the south side of the
circulation.
since yesterday and now has a compact area of moderate convection
around the center. Given the tight low-level circulation, small
radius of maximum wind, and compact central convection, Ana is
now estimated to have transitioned from a subtropical storm to a
tropical storm. The initial intensity remains 40 kt for this
advisory based on the earlier ASCAT data, which indicated that the
tropical-storm-force winds were confined to the south side of the
circulation.
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Re: ATL: ANA - Tropical Storm - Discussion
Subtrop wrote:Satellite images indicate that Ana has contracted significantly
since yesterday and now has a compact area of moderate convection
around the center. Given the tight low-level circulation, small
radius of maximum wind, and compact central convection, Ana is
now estimated to have transitioned from a subtropical storm to a
tropical storm. The initial intensity remains 40 kt for this
advisory based on the earlier ASCAT data, which indicated that the
tropical-storm-force winds were confined to the south side of the
circulation.

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Re: ATL: ANA - Tropical Storm - Discussion
Maintaining 40 kts seems reasonable to me. ASCAT has trouble getting accurate wind information with small systems like Ana. There are 30 kt wind barbs and assuming under sampling 40 kts is where I would place the intensity as well.
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Re: ATL: ANA - Tropical Storm - Discussion
This was a fun lil' storm to continue the preseason streak. Made an unexpected tropical transition and looked pretty good at times in the process. Props to the GFS for sniffing this one out before the others - hopefully that's a harbinger for better genesis detection this year after its dismal performance in 2020.
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Re: ATL: ANA - Tropical Depression - Discussion
I understand it probably fulfilled the requirements for an upgrade but this still just feels like a waste of a name to me. Least it became Tropical I guess.
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Got my eyes on moving right into Hurricane Alley: Florida.
Re: ATL: ANA - Tropical Depression - Discussion
galaxy401 wrote:I understand it probably fulfilled the requirements for an upgrade but this still just feels like a waste of a name to me. Least it became Tropical I guess.
Just curious, but why does it matter?
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Re: ATL: ANA - Post-Tropical - Discussion
Post-Tropical Cyclone Ana Advisory Number 8
NWS National Hurricane Center Miami FL AL012021
1100 PM AST Sun May 23 2021
...ANA BECOMES A POST-TROPICAL CYCLONE...
NWS National Hurricane Center Miami FL AL012021
1100 PM AST Sun May 23 2021
...ANA BECOMES A POST-TROPICAL CYCLONE...
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Re: ATL: ANA - Post-Tropical - Discussion
Her sister is lurking too...probably between mid-July and mid-August.
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Re: ATL: ANA - Post-Tropical - Discussion
Bye Ana. Fun little storm in May
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Re: ATL: ANA - Post-Tropical - Discussion
CrazyC83 wrote:Her sister is lurking too...probably between mid-July and mid-August.
Elsa?
I wonder if she'll be as sweet as her sister.

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Re: ATL: ANA - Post-Tropical - Discussion
Well, Ana proved that near 70 SSTs and enough instability in the atmosphere is good enough for a system to become tropical in nature.
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