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Cyclone update
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<blockquote data-quote="Marguerite" data-source="post: 405102" data-attributes="member: 1991"><p>Different wind direction = northern hemisphere vs southern hemisphere. Otherwise - cyclone - hurricane. The categories don't compare because the rating system is different. But from what was on the front of yesterday's paper, Yasi outclassed Katrina on the intensity and size stakes.</p><p></p><p>News so far - one confirmed death, I think two missing. The news just says "others missing" so I think the premature announcement of no deaths has made people more cautious about making too strong a statement.</p><p></p><p>On the La Nina effect that is causing all this (including causing the freak snow storms in the US) - "Notably, the southern oscillation index, which measures air pressure differences between Tahiti and Darwin, currently stands at 20.8 with any reading above 8 associated with a La Nina weather event. The Australian Bureau of Meteorology this morning advised it believes that index has peaked, but sees a risk that the La Nina event could persist in 2011."</p><p></p><p>No flippin' wonder we're in trouble!</p><p></p><p>A hot current here, - a cold current on the other side of the ocean, usually to the same extreme. And vice versa.</p><p></p><p>Marg</p></blockquote><p></p>
[QUOTE="Marguerite, post: 405102, member: 1991"] Different wind direction = northern hemisphere vs southern hemisphere. Otherwise - cyclone - hurricane. The categories don't compare because the rating system is different. But from what was on the front of yesterday's paper, Yasi outclassed Katrina on the intensity and size stakes. News so far - one confirmed death, I think two missing. The news just says "others missing" so I think the premature announcement of no deaths has made people more cautious about making too strong a statement. On the La Nina effect that is causing all this (including causing the freak snow storms in the US) - "Notably, the southern oscillation index, which measures air pressure differences between Tahiti and Darwin, currently stands at 20.8 with any reading above 8 associated with a La Nina weather event. The Australian Bureau of Meteorology this morning advised it believes that index has peaked, but sees a risk that the La Nina event could persist in 2011." No flippin' wonder we're in trouble! A hot current here, - a cold current on the other side of the ocean, usually to the same extreme. And vice versa. Marg [/QUOTE]
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