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Understanding Weather -not predicting- 26 September 2008 PDF Print
Written by John Olszewski   
The rapid succession of cold fronts at the Cape continued unabated. This week was just another cold front crossing the southern landmass and as one would expect, pushing cooler air northward. For the person on the ground, this is most readily evident in the wind flow which starts in the south east and then gradually swings around, a day or two at least, to north east.


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Understanding Weather -not predicting- 19 September 2008 PDF Print
Written by John Olszewski   
“All the world’s a stage, but we are merely players” is Shakespeare’s advice. If we modify the bard’s approach to this last week “world” becomes “weather” and “players” are sidelined to spectators! As spectators, across much of the country, the visibility accorded to “spectators” was generally limited. Being part of an arid sub-continent and in some of the driest months on the calendar, the prospect of dust (largely) and smoke (some) combining to dim visibility is real. Add to this, windy surface conditions whipping up more dust and with rather static winds aloft, the accumulation becomes apparent with “red-ball” sunsets and a paler shade of blue tinting our view of outer space.


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Understanding Weather -not predicting- 12 Septenber 2008 PDF Print
Written by John Olszewski   
On the face of it, not much; but like icebergs the unseen quantity has a greater extent.
What could be the last major anticyclone of the La Nina-type sequence did drive a cold front into our airspace, the arrival during Tuesday and by midday Wednesday in the Windhoek area was made apparent by the departure of the thick continental haze and its replacement by air of sparkling, clear visibility.


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DATE: Fri 19 Dec -
Thu 08 January 2009
Volume 22 No.50