Cyclone Dineo (05S)

On Wednesday February 15 Dineo (05S) strengthened to Cyclone strength shortly before making landfall approximately 30 mi (48 km) north-northeast of Maxixe, Mozambique, as a Category 1 storm on the Saffir-Simpson Hurricane Wind Scale (SSHWS), with maximum sustained wind speeds of approximately 85 mph (135 km/hr). The worst impacts of the storm are in the Inhambane Province of Mozambique, with about 20,000 homes and a number of public buildings destroyed. After landfall Dineo weakened to a tropical depression and tracked west across northern South Africa, bringing heavy rains to South Africa and Zimbabwe before dissipating. Impacts in both countries were smaller than feared and limited to localized flooding. MOZAMBIQUE. The Mozambican province of Inhambane (pop. ~1.3m) has been worst affected, with the Mozambique National Emergency Operational Center (CENOE) reporting that about 20,000 homes in the province have been destroyed, many in informal settlements in the region. The most impacted regions were all coastal, and are reported to be Massinga, Morrumbene, Maxixe, Jangamo, Zavala, Homoíne, Vilanculos, Inharrime and Inhassoro. Inhambane (pop. ~65,000) is the capital of the Inhambane Province and is the center of the tourism industry in southern Mozambique. CENOE reports that 20,000 houses have been destroyed by Dineo as of Friday February 17. In addition, 106 public buildings, 70 hospital units, 998 classrooms, three communication towers, 48 electricity poles and two water supply systems have been damaged. One bridge and 15 mi (24 km) of road have also been damaged. It is not clear whether damage is due to wind, flood or storm surge. As of Thursday February 16, much of Inhambane was without power, hampering relief efforts and official data collection and communication. The commuter ferry across the channel between Maxixe and Inhambane is running a partial service after the Maxixe jetty was destroyed. Dineo has affected at least 150,000 people according to the Inhambane governor. Seven people have died and 51 are injured. Up to 8 in (200 mm) of rain was estimated to have fallen in parts of Inhambane Province on Wednesday February 15, with winds of 60 mph (100 km/hr) and gusts of 90 mph (150 km/hr). Storm surge and wave heights of up to 33 ft (10 m) are thought to have impacted the coastline between Massinga and Inhambane, Inhambane Province, though there are no reports of surge-specific damage at this time. The 2016-17 rainy season in Mozambique has been destructive. Floods between October and January destroyed over 8,000 homes and damaged an additional 21,000. SOUTH AFRICA. Dineo was downgraded to a tropical depression before reaching South Africa. Severe Weather Warnings were issued for Mpumalanga, Limpopo and northern KwaZulu-Natal Provinces by the South African Weather Service, but the regions were not as hard-hit as feared. Mpumalanga officials reported damage to 15 mud houses in Louisville. Limpopo officials reported 5 damaged houses in the Vhembe district. The South African Weather Service also reports a few flooded campsites in the Kruger National Park, where gravel roads were also shut as a precautionary measure. ZIMBABWE. While the strongest winds had eased by the time Dineo reached Zimbabwe, rainfall was still heavy. Several locations in the south of the country received over 3 in (80 mm) of rain over 24 hours on Friday February 17. Matapos, Matebeleland South, measured 4 in (100 mm). Some small dams have failed in Matabeleland South, according to the Civil Protection Unit. In particular there is flooding in Insiza South due to the failure of the Waneka Dam, according to a local government minister. Damaging flash floods have been reported in the Bulawayo suburbs of Nkulumane, Emganwini and Cowdray Park. In the latter, 50 people are reported to have been flooded. The full extent of the damage is still unknown. In the district of Tsholotsho about 50 families had to be airlifted to safety. The Nkankezi Bridge in Filabusi has been partially destroyed.

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February 2017


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