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Glossary of Terms

Beaufort Scale The Beaufort scale is used to estimate wind

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Tankwa Karoo May 2011

The planning for this weekend was to explore some of

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INVEST 95S and 94S – Future Tropical Storm Ethel and Funso?

The Indian Ocean looks to be in full swing at

Berg winds and dust storm, N-Cape coast 17 Apr 2015

Berg winds and dust storm, N-Cape coast 17 Apr 2015

Following the cold-fronts that passed over South Africa earlier this week, a dominant high-pressure cell moved in south of the country. This produced warmer conditions, and a change in the surface wind patterns.

Yesterday morning’s Terra Modis satellite overpass (10am on Fri 17th) shows large dust plumes off the West coast of South Africa (N-Cape), which are usually produced by strong offshore (berg) winds. This was confirmed by the GFS model charts, which predicted strong winds over almost the exact area. The winds were relatively short lived, and there was much less dust visible on the afternoon (2pm) satellite overpass.

SBenguela.2015107.terra.1km[crop_25X2]06_wind_vector925[20150417_0600]

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