Ash billows from the Eyjafjallajokull volcano on May 8, 2010 in Hvolsvoellur, Iceland. In 2010, Katla's neighboring volcano, Eyjafjallajokull, caused chaos across Europe and shut down most of the continent's airspace. Thousands of flights were grounded because of the volcanic ash following its eruption.
During winter overnight frost can occur. Usually no rainfall occurs between June and September. The annual precipitation average of the last 20 years for Windhoek is 370 mm. Of this 296 mm of rain were received from January until May, 5.2 mm from June to September and 76 mm from October to December.entral highlands around Windhoek. Between the Kalahari in the east and the Namib Desert in the west lies the Namibian central highland with the capital Windhoek in its centre. Due to its altitude of 1700 metres on average (at Windhoek even up to 2000m) this highland has moderate temperatures and average rainfalls.
Reserves in the North West and Free State provinces are 14.6 and 10.7 percentage points lower than last year respectively, DWA figures show. Average annual rainfall in South Africa is 495 millimeters, less than half the global average of 1,033 millimeters, according to the World Bank.The country also has high evaporation levels due to its warm, sunny climate.atau didnât know the last time dam levels were lower. Of the seven largest dams in South Africa and neighboring Lesotho, which also supplies water to the continentâs second-biggest economy, four have âlowâ or âmoderately lowâ reserves, DWA data show.