Another blow to the ‘extreme weather is climate’ alarmism meme – Australian cyclone activity down

Mann made CO2 induced Extreme Weather reminder…

Watts Up With That?

We’ve mentioned many times the lack of major landfalling hurricanes on the USA being in a record drought. When the Atlantic hurricane season starts on June 1st, 13 days from now, it will have been (barring a miracle storm) 2,777 days since the last time an intense (that is a Category 3, 4 or 5) hurricane made landfall along the US coast (Wilma in 2005). Such a prolonged period without an intense hurricane landfall has not been observed since 1900.

hurrdrou0613[1]

Source: Dr. Roger Pielke Jr.

We’ve also routinely talked about Accumulated Cyclone Energy (ACE) being down. You can see the downtrends on the WUWT Extreme Weather Page.

Now Australia’s Bureau of Meteorology has posted an updated graph (if you can call through 2011 “updated”) that shows a significant downtrend in all tropical storms, with no discernible trend for severe tropical cyclones. They write:

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