Jump to content
  • Member Statistics

    17,606
    Total Members
    7,904
    Most Online
    ArlyDude
    Newest Member
    ArlyDude
    Joined

Aussie (& S-Hemisphere) Cyclone Action 2010-2011


Recommended Posts

So, does the roundy product mean that the best chances are about mid month... and if I am correct (while the MJO will move further east) sea temps and other variables (including the nina already peaking) this is probably the last big cyclogenisis window fro the season?

I don't necessarily think that the statistical forecast has a good handle on the evolution of the MJO. I tend to rely on the Euro ensemble for that. As far as I know, it's the only thing that's shown skill in forecasting the MJO two weeks out. The Roundy stuff is good for forecasting the lower amplitude waves, like Kelvin waves and Equatorial Rossby waves.

Personally, I've been forecasting the 2nd half of March to be more active than the first half with the expectation that the MJO will come back around to Phase 7 or 8 around mid-month.

Link to comment
Share on other sites

  • Replies 977
  • Created
  • Last Reply

Even though they don't name them in the Aussie Region, subtropicals are pretty common in this basin. Since I started forecasting here in 2008-09, they've had at least one I can remember off the top of my head in each autumn.

And, yes, I realize I am the only one who likes subtropicals. Just like I was the only one who liked the monsoon low in the Caribbean last fall (Nicole).

Hey, I resent that remark!. Remember, yours truly liked it so much that I affectionately christened it "Slopgyre" in it's formative stages. :thumbsup:

Link to comment
Share on other sites

The BoM outlook today mentions a weak low in the NE corner of the Coral Sea. They say it will move slowly SW and may develop into a cyclone over the weekend.

I'm not buying that, but midweek next week should get interesting. The GFS and CMC are still both showing the subtropical development I mentioned on Tuesday. The Euro shows a system closer to Australia and heading west towards Townsville. Not buying any one solution at this time, but I expect we'll have a storm next week.

Link to comment
Share on other sites

Hey, I resent that remark!. Remember, yours truly liked it so much that I affectionately christened it "Slopgyre" in it's formative stages. :thumbsup:

U_Thant season is coming.

I thought with the ENSO and everything this would be an epic season, and except for Yasi, so far, I'm not impress. But I won't give up hope.

Link to comment
Share on other sites

I'm not buying that, but midweek next week should get interesting. The GFS and CMC are still both showing the subtropical development I mentioned on Tuesday. The Euro shows a system closer to Australia and heading west towards Townsville. Not buying any one solution at this time, but I expect we'll have a storm next week.

Thanks. I assume the Euro feature is more tropical in nature?

Link to comment
Share on other sites

Today's BoM update mentions a low near Papua New Guinea. They expect it to move slowly SW over the weekend, with a moderate chance of cyclone development by early next week. The 00Z Euro isn't too enthused about the system and isn't showing much of anything.

Elsewhere, it's dead as a doornail. No cyclones or even promising Invests anywhere in the world right now.

Link to comment
Share on other sites

Actually, it's because I didn't get to my weather stuff until right now. I had some other fires to put out when I came in this morning :)

The GFS is actually super bullish on the Townsville cyclone for next week, but the Euro lost it. They both have the subtropical junk that you don't care about.

I'm going to be keeping an eye on the Townsville thing for now. There's nothing obvious to initiate cyclogenesis there, but it could be something low amplitude the models are picking up on. It's a lot harder to diagnose these things down there, since all of the ensemble tools aren't created for the SPAC.

Link to comment
Share on other sites

Actually, it's because I didn't get to my weather stuff until right now. I had some other fires to put out when I came in this morning :)

Wait-- you mean this thread isn't your top priority in the morning?? C'mon. :D

The GFS is actually super bullish on the Townsville cyclone for next week, but the Euro lost it. They both have the subtropical junk that you don't care about.

I'm going to be keeping an eye on the Townsville thing for now. There's nothing obvious to initiate cyclogenesis there, but it could be something low amplitude the models are picking up on. It's a lot harder to diagnose these things down there, since all of the ensemble tools aren't created for the SPAC.

Wow-- sounds cool Re: the GFS. (I hadn't checked.) Maybe the feature will reappear on the Euro later. (I know, I know-- things can't always be as consistently depicted as Yasi was. <sigh>)

To be clear: the Townsville cyclone would be a separate feature from that subtropical crap-- correct?

Link to comment
Share on other sites

For what its worth, here are some of the different models, and a link to a previous EC run. I personally dont see much potential but I hope im wrong. The models obviously see something they like...

http://www.ecmwf.int/products/forecasts/d/animate/catalog/products/forecasts/medium/deterministic/msl_uv850_z500!Wind%20850%20and%20mslp!96!Australia!pop!od!oper!public_plots!2011030212!!!step/

post-1680-0-27223400-1299244786.png

post-1680-0-34875400-1299244854.png

post-1680-0-36643500-1299244865.png

post-1680-0-22657300-1299244884.png

post-1680-0-17816600-1299244897.png

Link to comment
Share on other sites

Why are Americans (okay USA Americans, let's not forget an entire southern continent and its neck, nor Canada) so sensitive to criticism (debate is probably a better word)?

And yes Josh, you have inspired the question.

My dear friend,

This thread is about S-Hemisphere cyclones. We're going to need to keep it focused on that topic. Thanks. :)

Link to comment
Share on other sites

Why are Americans (okay USA Americans, let's not forget an entire southern continent and its neck, nor Canada) so sensitive to criticism (debate is probably a better word)?

And yes Josh, you have inspired the question.

Mate, I believe the problem stems from the attitude you expressed earlier in this thread. How would you feel if we “Americans” came into your “Australian” forum and trashed your reasoning as newer members/quests? I suspect it would not be well received, either. Take some time to learn the nuances of the members and what they know and how they express their thoughts. We are a friendly bunch and have many very knowledgeable folks in our tropical community. We certainly are not afraid of criticism, when it is well founded. ;)

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...