June 2024 South African storm complex

Last updated
June 2024 South African storm complex
TypeCut-off low pressure system
Formed1 June 2024
Duration1-5 June 2024
Tornadoes
confirmed		2
Maximum snowfall
or ice accretion		30 cm
Fatalities22+

11+ in Eastern Cape

11+ in KwaZulu-Natal
Areas affectedKwaZulu-Natal, Eastern Cape, Western Cape, Northern Cape
5+ missing, 55+ injured, 2,500+ displaced

On 1-5 June 2024, [1] a large storm system produced severely heavy rainfall and winds along the Eastern coast of South Africa, striking several municipalities in the Eastern Cape and KwaZulu-Natal provinces. The storm produced two tornadoes in KwaZulu-Natal province around the Durban metro region, with the more intense tornado striking Tongaat. [2] [3]

Contents

Background

On 1 June 2024, South African Weather Service reported that South Africa was going under a cut-off low pressure system, which occurs when a low pressure system detaches from a jet stream. The agency predicted that it would stall over the Eastern coast of South Africa area for several days and produce heavy rain, severe winds, and a cold snap with the potential for hail. [3]

On the same day, The South African Weather Service issued a Yellow Level 6 warning in areas of the Western Cape, KwaZulu-Natal, Northern Cape and Eastern Cape provinces, where they predicted flooding, snowfall, hail, and strong winds would occur. [4]

Impact

During the afternoon of 3 June 2024, [5] the storm complex produced two tornados in the area surrounding the coastal port city of Durban that struck Newcastle, Utrecht and Tongaat. The first tornado developed in Northeastern KwaZulu-Nata between Newcastle and Utrecht, starting off as a rope tornado before developing into a cone tornado. The larger and stronger of the tornados formed near Tongaat later in the afternoon, and developed into a wedge tornado that moved eastwards towards the eastern coast between Desainagar and Seatides before dissipating. [6] It caused the most severe damage in Tongaat, severely damaging several homes, felling trees, destroying power lines, and causing blackouts. At least 11 people were killed in KwaZulu-Nata province as a result of the tornadic storms system, seven of whom were in Tongaat, and other fatalities occurring in Nquthu, Eshowe, and KwaHlabisa. [2] There were reports of looting in Tongaat following the tornados. [5]

The storm also produced significant rainfall and hailstorms that led to flooding that caused at least 11 deaths in Eastern Cape province. Over 2,000 people had to be evacuated from the Nelson Mandela Bay, many from makeshift homes in slums of the region. At least 55 people received mild to moderate injuries requiring hospital treatment. [3] Red Cross noted that Nelson Mandela Bay and Buffalo City metropolitan areas suffered the worst flooding, with the heavy rainfall leading to dam breaches and overflowing canals. Damage from flooding was also reported in Sarah Baartman District Municipality, while the dam near Tyriville was at risk of collapsing. Buildings, sweer systems, roads, and water facilities, and electrical infrastructure was damaged across the Nelson Mandela Bay metro, while bridges were destroyed in Kwanobuhle. [4]

The rainfall and flooding caused significant damage to wheat and canola agriculture in the Overberg area due to the 200 mm rainfall over-saturating the ground, causing erosion, removing fertile top soil, and destroying roads and bridges that could allow farmers to reach their crops. [7]

The cut-off low system caused temperatures to drop below 0°C (32°F) in five provinces of South Africa including Free State, leading to the first snowfall of the year in South Africa, of up to 30 cm across different regions. [8]

See also

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References

  1. ↑ "South Africa - Severe weather and floods, update (IFRC, media, SAWS) (ECHO Daily Flash of 04 June 2024) - South Africa | ReliefWeb". reliefweb.int. 2024-06-04. Retrieved 2024-06-05.
  2. 1 2 Engel, Kristin (2024-06-04). "KZN tornado death toll rises to 11 as relief efforts continue". Daily Maverick. Retrieved 2024-06-05.
  3. 1 2 3 "South African floods kill at least 22 people". Caledonian Record. 2024-06-04. Retrieved 2024-06-05.
  4. 1 2 "South Africa: Flood - 06-2024 - Floods in Eastern Cape - Nelson Mandela Bay, Buffalo City and Sara Baartman (2024-06-04) - South Africa | ReliefWeb". reliefweb.int. 2024-06-04. Retrieved 2024-06-05.
  5. 1 2 van der Heever, Vania (2024-06-04). "Flood warning, road closures in Cape Town". SABC News. Retrieved 2024-06-05.
  6. ↑ "Severe thunderstorms affect parts of KwaZulu-Natal with at least 2 tornadoes observed on Monday afternoon, 3 June 2024" (PDF). South African Weather Service. 4 June 2024. Retrieved 5 June 2024.
  7. ↑ Ferreira, Anton (5 June 2024). "Torrential rain a blow for farmers in the Overberg". TimesLIVE. Retrieved 2024-06-05.
  8. ↑ Engel, Kristin (2024-06-03). "Hail, flooding, snow, two tornadoes, heavy rainfall and high winds hit SA". Daily Maverick. Retrieved 2024-06-05.
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