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TANYA NOLAN: Professor Fletcher's view is supported by the water commissioner, Peter Cullen, who is quoted in the News Limited press as saying he is surprised the full $10-million has been awarded before the first step is taken of seriously evaluating the technology.
Chairman of Australian Rain Corporation Matt Handbury says he appreciates that argument, and agrees there are some holes in the science.
MATT HANDBURY: I can understand that logic, but as I said, even when you've worked out the science, how it works, we still wouldn't have demonstrated that it works, and the need for water supplies is so critical in Australia.
TANYA NOLAN: You're name has come up in connection with your uncle, Rupert Murdoch, as possibly a reason why you might be getting all this money at once without the rigorous scientific testing?
MATT HANDBURY: Oh, I haven't heard that Tanya. I think I don't seem to be able to get my name in the paper without my family connections, which I'm proud of and delighted in, but I don't see how… Rupert's aware of this, he's pretty interested in the environment and climate change at the moment, and very interested, but he has no direct involvement...
source
Kalgoorlie-Boulder Met Office ([email protected])
Sent:Monday, 18 January 2010 7:18:17 PM
To: xxxx removed
Hi Allan,
Early Saturday there were sort of concentric circles of echoes between 200 Kms
and 400 Kms from Kalgoorlie-Boulder. However there was no weather around
this area from which radar signals might have been reflected. It would therefore
seem to be due to what is referred to as "anomalous propagation ".(false
echoes) or even possibly dust in the atmosphere.
Originally posted by Pilgrum
reply to post by burntheships
Magnetron arcing is an excellent explanation for it (many thanks to Oz Weatherman)
It happens quite a bit at sites all over the place and isn't always a complete circle like the sample shown and there are a number of forms of what I'd call 'phantom rain'. I've seen it multiple sites simultaneously for brief periods but most events would be missed unless you had one eye on the national weather radar for 12 hours at a time like I do. Come to think of it, it hasn't been as prevalent in recent years as it was, say, 10+ years back.
Watch this non-stop for a few hours straight and you're certain to spot a number of anomalies.
Originally posted by burntheships
reply to post by Skywatcher2011
Good choice because you know there is nothing going on ever.
And the experts all agree, even if they have no explanation that matches up...
its always the same...move along folks.
On days where there is no rain, snow, or thunderstorms in the area of the radar scan, the NEXRAD radar operates in "Clear Air Mode".
This is a special setting of the radar that gives it enhanced sensitivity that often picks up things in the atmosphere you wouldn't normally be able to spot on radar, like dust clouds, flocks of birds, temperature inversions, and also "ground clutter" from reflections off terrain and buildings in the area.
Originally posted by OzWeatherman
All the anomalies are known within the Bureau (my employer). Each has its own explanation, and each occurs more often than people think. Because we get the raw data (the radars actually sit on top of our met offices, or in towers next to the office), we probably see them more often than the general public, so none of this is new to us.
The below image is of the ring of fire anomaly, which occurs quite frequently with radars in Indonesia, but has only occured once here in Australia. It occurs when arcing is present in the magnetron
[atsimg]http://files.abovetopsecret.com/images/member/fb6f73d116c5.jpg[/atsimg]
The below two are more common examples of radar anomalies, caused by equipment malfunction (first one from Broome, the second from longreach or charleville, cant remember which)
[atsimg]http://files.abovetopsecret.com/images/member/f636f85d1e05.jpg[/atsimg]
[atsimg]http://files.abovetopsecret.com/images/member/1e1caceb917d.jpg[/atsimg]
source
Kalgoorlie-Boulder Met Office ([email protected])
Sent:Monday, 18 January 2010 7:18:17 PM
To: xxxx removed
Hi Allan,
Early Saturday there were sort of concentric circles of echoes between 200 Kms
and 400 Kms from Kalgoorlie-Boulder. However there was no weather around
this area from which radar signals might have been reflected. It would therefore
seem to be due to what is referred to as "anomalous propagation ".(false
echoes) or even possibly dust in the atmosphere.