From: Martin Shough <parcellular.nul> Date: Tue, 14 Aug 2012 13:09:19 +0100 Archived: Tue, 14 Aug 2012 09:35:10 -0400 Subject: Re: Socorro Again Viktor dismissed the motion of the object against the wind with the remark that the direction of the wind aloft does not have to be the same as the surface wind. There is some truth in this, but not enough. Everyone should study David Rudiak's page on the Socorro wind. Radiosonde measurements of upper winds would be ideal, but this is just about as definitive as it's going to get. http://www.roswellproof.com/SocorroWinds_April_24_1964.html David shows the low pressure centre and proves the expected direction with numerous actual surface wind readings from around the sighting time. Follow the source links. Check them. The surface wind would indeed have been a fresh or strong breeze (Beaufort 5 or 6 - 'branches and small trees sway, wind whistles in telegraph wires') blowing from around the SSW. The significant point I want to add is that low pressure winds of this type are not shallow local effects that can be very variable through shallow layers of a few meters, they are deep, controlling the windflow through thousands of meters over a huge area. Direction changes - even reversals - can occur at high level well above the boundary layer; but the wind near the surface will be essentially the same as the wind through the whole of the boundary layer, or the friction layer, typically up to about 800 mbars even in the least-deep desert-type "warm" lows. This is a couple of km deep, or well over a mile. Even at this height all that usually happens is that the effect of friction becomes negligible and the "inward spiral" of the gradient wind referred to by David gives way to the geostrophic wind, which is in balance between the pressure gradient and the coriolis force so it blows simply at 90 degrees to the radius of the pressure system at any point. Based on David's pressure map, at Socorro this effect rotates the wind arrow slightly clockwise, so the direction would be SW. In other words, at thousands of feet the wind direction would actually be even _closer_ to a direction exactly opposite to the direction of the object than the surface wind. Finally, note the remark in the BB file that Zamora's sightline to the object never rose above the angle of the mountains on the horizon. Whether or not this is strictly true (I have seen it said that it finally rose over the mountains, i.e. this is shown in Ray Stanford's book) it emphasises the low elevation of the object during a significant part of the departure flight. So the scenario where Zamora is standing in a blowy SSW wind (as he correctly reported) and some kids release a candle balloon, that rises a few meters then suddenly catches a strong NE wind that whips it away in the opposite direction, looks to me to be completely unrealistic. Martin Shough Listen to 'Strange Days... Indeed' - The PodCast At: http://www.virtuallystrange.net/ufo/sdi/program/ These contents above are copyright of the author and UFO UpDates - Toronto. They may not be reproduced without the express permission of both parties and are intended for educational use only.
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