• A student is looking for help on tropical cyclone prediction. Please fill out the survey linked to this thread: https://stormtrack.org/threads/storm-and-hurricane-intensity-prediction-survey.32957

  • After witnessing the continued decrease of involvement in the SpotterNetwork staff in serving SN members with troubleshooting issues recently, I have unilaterally decided to terminate the relationship between SpotterNetwork's support and Stormtrack. I have witnessed multiple users unable to receive support weeks after initiating help threads on the forum. I find this lack of response from SpotterNetwork officials disappointing and a failure to hold up their end of the agreement that was made years ago, before I took over management of this site. In my opinion, having Stormtrack users sit and wait for so long to receive help on SpotterNetwork issues on the Stormtrack forums reflects poorly not only on SpotterNetwork, but on Stormtrack and (by association) me as well. Since the issue has not been satisfactorily addressed, I no longer wish for the Stormtrack forum to be associated with SpotterNetwork.

    I apologize to those who continue to have issues with the service and continue to see their issues left unaddressed. Please understand that the connection between ST and SN was put in place long before I had any say over it. But now that I am the "captain of this ship," it is within my right (nay, duty) to make adjustments as I see necessary. Ending this relationship is such an adjustment.

    For those who continue to need help, I recommend navigating a web browswer to SpotterNetwork's About page, and seeking the individuals listed on that page for all further inquiries about SpotterNetwork.

    From this moment forward, the SpotterNetwork sub-forum has been hidden/deleted and there will be no assurance that any SpotterNetwork issues brought up in any of Stormtrack's other sub-forums will be addressed. Do not rely on Stormtrack for help with SpotterNetwork issues.

    Sincerely, Jeff D.

Found a Brazilian mult-vort wedge video:

I've always been fascinated by tornadoes and other severe weather in the Southern Hemisphere. Not only in Australia, but also in South Africa and South America, too.

About that link Damon posted originally, there is an English version of that Brazilian site - and interestingly, it has even more pics of Brazilian tornadoes than the Portuguese language version! (unfortunately, the additional links aren't in existence when you click on the additional pics)
http://www.lemma.ufpr.br/ernani/torbraz.html

Also a link to a supercell in Argentina:
http://www.lemma.ufpr.br/ernani/pampero_e.html

As for that video of the Brazilian tornado, I knew about this since late May from another non-weather forum which is regularly visited by a highly international mix of users, including Brazilians. That tornado in the video looks somewhat like the 1987 Edmonton tornado (see my avatar!).

I'd imagine that not only would tornadoes rotate cyclonically in the Southern Hemisphere, but also the supercells as well, and I also believe they'd have a reverse configuration to their counterparts north of the Equator. I believe I've seen this kind of reverse configuration happen in Australian supercells, especially in Doppler radar images from southeast Queensland (around Brisbane), New South Wales and Victoria. It's all in the Coriolis Effect.
 
Rafael Ketelhohn is a chaser in Argentina that posts some good shots to the Lightning list from time to time. They seem to have active storm patterns year round with multi-day events common.

Not sure if Rafael is on ST, but here is his site:
http://www.redesdelsur.com/clientes/sanjua.../rayo/index.htm

Rafael has a great vantage point from his house and has got some nice lightning shots.
 
It's insane to think about Severe Weather in other parts of the world. The United States always has the dominance on the reporting of severe weather and our "Tornado Alley"

But some of the world's most violent storms actually occur more so in Coastal Australia.
 
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