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Old 03-27-2017, 07:45 PM
 
Location: Victoria, BC, Canada
5,600 posts, read 3,439,720 times
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Quote:
Originally Posted by alex985 View Post
Holy ****. What's the strongest cyclone Australia has ever experienced? How often do they happen there?
Frequently Asked Questions
Quote:
On average there are about thirteen cyclones that form in the Australian region (90-160° E) each cyclone season. This represents about 16 per cent of the global total. About half of these occur in the western region. About half of the total number of tropical cyclones become severe. Tropical cyclones in the western and eastern basins have around 25 per cent chance of making landfall, while those in the northern basin have an 80 per cent chance of making landfall.
Cyclone landfalls since 1970. Red dots are severe (category 3 or higher).


The deadliest was Mahina (1899). Not sure about the most powerful; Yasi in 2011 was pretty near the top.

Australia's worst cyclones since 1970 - ABC News (Australian Broadcasting Corporation)

Australias worst cyclones - Australian Geographic
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Old 03-27-2017, 07:51 PM
 
Location: Victoria, BC, Canada
5,600 posts, read 3,439,720 times
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Debbie is now making landfall as I write this in the Hideaway Bay-Airlie Beach area. Eye is 50km across.

Winds at Hamilton Island have shifted from SE to WNW. Now gusting to 263 km/hr.
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Old 03-27-2017, 08:17 PM
 
Location: Victoria, BC, Canada
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Quote:
Originally Posted by Ed's Mountain View Post
Debbie is now making landfall as I write this in the Hideaway Bay-Airlie Beach area. Eye is 50km across.

Winds at Hamilton Island have shifted from SE to WNW. Now gusting to 263 km/hr.
Actually landfall not expected for another couple of hours. Aforementioned areas getting hit by the eyewall but the centre of the eye is still offshore.
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Old 03-27-2017, 09:07 PM
 
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Is this worst one since yasi?
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Old 03-27-2017, 09:17 PM
 
Location: Victoria, BC, Canada
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Quote:
Originally Posted by JetsNHL View Post
Is this worst one since yasi?
Marcia was a cat 5 when she hit near Rockhampton in 2015. But she struck a less densely populated area and also an area without as much agriculture.
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Old 03-27-2017, 09:35 PM
 
Location: Victoria, BC, Canada
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Quote:
Originally Posted by Ed's Mountain View Post
Actually landfall not expected for another couple of hours. Aforementioned areas getting hit by the eyewall but the centre of the eye is still offshore.
Now the BOM confirms landfall as a category 4 storm in the Hideaway Bay-Airlie Beach area.
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Old 03-27-2017, 10:33 PM
 
Location: Sydney
765 posts, read 570,363 times
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Quote:
Originally Posted by alex985 View Post
Holy ****. What's the strongest cyclone Australia has ever experienced? How often do they happen there?
In terms of strength, probably Cyclone Yasi https://en.wikipedia.org/wiki/Cyclone_Yasi But in terms of impact, it would be Tracy, which totally levelled Darwin https://en.wikipedia.org/wiki/Cyclone_Tracy

They're reasonably common, less so than in East Asia or the North Atlantic, but we are in the most affected region in the Southern Hemisphere, this is from wikipedia,



And from the BOM

"On average there are about thirteen cyclones that form in the Australian region (90-160° E) each cyclone season."

Frequently Asked Questions
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Old 03-27-2017, 11:26 PM
 
Location: Sydney, Australia
11,645 posts, read 12,846,050 times
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Cyclone Debbie as of 3:25pm:


Attached Thumbnails
Australia/NZ Weather and Climate Discussion-untitled.png   Australia/NZ Weather and Climate Discussion-cat5.png  
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Old 03-28-2017, 04:43 AM
 
Location: Melbourne, Australia
7,033 posts, read 4,927,604 times
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Quote:
Originally Posted by lab276 View Post
In terms of strength, probably Cyclone Yasi https://en.wikipedia.org/wiki/Cyclone_Yasi But in terms of impact, it would be Tracy, which totally levelled Darwin https://en.wikipedia.org/wiki/Cyclone_Tracy

They're reasonably common, less so than in East Asia or the North Atlantic, but we are in the most affected region in the Southern Hemisphere, this is from wikipedia,



And from the BOM

"On average there are about thirteen cyclones that form in the Australian region (90-160° E) each cyclone season."

Frequently Asked Questions
What the hell is the one that went all the way down here?
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Old 03-28-2017, 08:03 AM
 
Location: Sydney
765 posts, read 570,363 times
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Quote:
Originally Posted by jgtheone View Post
What the hell is the one that went all the way down here?
I'd like to know too, but I can't find any details of it here:

Previous Tropical Cyclones

On the map it shows up as a tropical depression, so not a cyclone, so they probably didn't keep track of it.
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