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Understanding Weather – not predicting – 26 July 2013

What happened?
One might say at last, winter’s icy fingers came closer to our latitudes. Not actually icy by degrees of temperature, but more where one’s feel is concerned.
Cold can be either an absence of heat or the influx of a cold airmass.
Winter nights imply clear skies hence maximum radiation. The lower daytime altitude of the sun limits its warming potential which when coupled with an airflow from a colder source increases the cold.
Should this airflow be more measurable, we feel it on the skin and the chilling effect becomes debilitating. These are not necessarily apart. Night and wind-chill are often coupled.
Namibia is a long country, extending across 8 degrees of latitude. The potential of temperature variation from north to south is frequently experienced. But this last week tended to even out this potential range. At its coldest, the temperature range (night) descended well into single figures from our northern border to the Orange valley. This is inland from the escarpment, where another cooling factor emerges: altitude. Much of the interior is some 10oC cooler than sea level. But with some airflow, the outward radiation heat loss is limited, due to air-mass mixing. One might well be warmer on top of a hill than in some secluded valley where the still of the night sees quite remarkable cooling. There is also the effect of temperature inversion, emphasizing this higher (warmer) and lower (colder) feature.
Like so many features of weather, this is interestingly complex.
During this last weekend, colder conditions spread west across even our most northerly regions. Daytime sun brought temperatures to above 20oC for much of the north and central inland. But the far south was limited to the mid-teens: couple that with wind flows of even a few knots and wind-chill is more than evident.
For Namibia, daytimes below 20oC will register as cold. Despite 8 hours of sun well above the horizon, its heat can be restricted.

What’s coming?
The focus is on the intense vortex development recurring between the 55 to 65oS latitudes. Core pressures down to 930hPa with upward extent (intensity) above 40,000feet. While their frontal activity has a limited northward extent, this presence restricts intervening anticyclonic ridges from all but transient presence to the sub-continental south. But a brief southerly flow during weekend penetrates the south and possibly central Namibia giving way to an easterly orientation which prevails for the rest of the week beneath the predominating upper air core. Only limited maritime inflow from the east can be expected.
By historic patterns: typical winter, but the absence of frontal activity across our south ensures a continued absence of necessary winter rain across our south, even the coastal Namib lies too far north.

About The Author

Following reverse listing, public can now acquire shareholding in Paratus Namibia


20 February 2020, Windhoek, Namibia: Paratus Namibia Holdings (PNH) was founded as Nimbus Infrastructure Limited (“Nimbus”), Namibia’s first Capital Pool Company listed on the Namibian Stock Exchange (“NSX”).

Although targeting an initial capital raising of N$300 million, Nimbus nonetheless managed to secure funding to the value of N$98 million through its CPC listing. With a mandate to invest in ICT infrastructure in sub-Sahara Africa, it concluded management agreements with financial partner Cirrus and technology partner, Paratus Telecommunications (Pty) Ltd (“Paratus Namibia”).

Paratus Namibia Managing Director, Andrew Hall

Its first investment was placed in Paratus Namibia, a fully licensed communications operator in Namibia under regulation of the Communications Regulatory Authority of Namibia (CRAN). Nimbus has since been able to increase its capital asset base to close to N$500 million over the past two years.

In order to streamline further investment and to avoid duplicating potential ICT projects in the market between Nimbus and Paratus Namibia, it was decided to consolidate the operations.

Publishing various circulars to shareholders, Nimbus took up a 100% shareholding stake in Paratus Namibia in 2019 and proceeded to apply to have its name changed to Paratus Namibia Holdings with a consolidated board structure to ensure streamlined operations between the capital holdings and the operational arm of the business.

This transaction was approved by the Competitions Commission as well as CRAN, following all the relevant regulatory approvals as well as the necessary requirements in terms of corporate governance structures.

Paratus Namibia has evolved as a fully comprehensive communications operator in Namibia and operates as the head office of the Paratus Group in Africa. Paratus has established a pan-African footprint with operations in six African countries, being: Angola, Botswana, Mozambique, Namibia, South Africa and Zambia.

The group has achieved many successes over the years of which more recently includes the building of the Trans-Kalahari Fibre (TKF) project, which connects from the West Africa Cable System (WACS) eastward through Namibia to Botswana and onward to Johannesburg. The TKF also extends northward through Zambia to connect to Dar es Salaam in Tanzania, which made Paratus the first operator to connect the west and east coast of Africa under one Autonomous System Number (ASN).

This means that Paratus is now “exporting” internet capacity to landlocked countries such as Zambia, Botswana, the DRC with more countries to be targeted, and through its extensive African network, Paratus is well-positioned to expand the network even further into emerging ICT territories.

PNH as a fully-listed entity on the NSX, is therefore now the 100% shareholder of Paratus Namibia thereby becoming a public company. PNH is ready to invest in the future of the ICT environment in Namibia. The public is therefore invited and welcome to acquire shares in Paratus Namibia Holdings by speaking to a local stockbroker registered with the NSX. The future is bright, and the opportunities are endless.