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Severe Weather Begins – 23 June 2009

As forecast by the South African Weather Service and as predicted by users in the forum- The Western Cape began to receive some rough weather conditions. The weather began Monday 22 June 2009 with light showers and winds beginning to increase to near 45 km/h. Though the real action occurred later into the night with the first intense band of storms arriving at around 5am to 6am on Tuesday morning. Wind gusts in excess of 30 knots were recorded and sustained winds were forecast to be near 30 knots at times during the day on Tuesday the 23 June.

The second area of storms impacted the Western Cape around 10am on Tuesday, as can be seen on the radar image below the band of storms was a squall line which had intensified off to the west of Cape Town.

Squall line Cape Town

Image Credit : South African Weather Service

The squall line in question lasted for only around 15-30 minutes and was fairly fast moving, though it managed to dump plenty of rain and bring very strong wind gusts as it passed. There are traces of small branches broken and some minor flooding in Somerset West from this squall line.

Below is a webcam capture at the time the squall line was passing, showing the extremely heavy rain and strong winds- the webcam capture makes it look like a hurricane.

Webcam Capture Storm June 23

Image Credits : www.kapstadt.de

 

 

Looking ahead, a succession of cold fronts which are responsible for the current weather will batter the country over the next few days with snowfalls forecast on the high-grounds and heavy rains, winds and swells likely to pose a risk.

 

The South African Weather Service has issued the following warnings 
• Snowfalls are expected over the mountains Lesotho as well as the north-eastern mountains of the Eastern Cape, mainly in the morning. Snowfalls will set in over the western high ground of the Western Cape and the south-western high ground of the Northern Cape in the evening.

• Gale to strong gale force (65 to 85km/h) westerly to north- westerly winds are expected to develop between Lamberts Bay and Cape Agulhas, spreading to Port Alfred in the evening.

• Very rough seas in excess of 5m will develop between the Orange River and Port Alfred. High seas with destructive waves in excess of 7m will develop between Table Bay and Cape St. Francis in the evening.

• Heavy falls of rain (50mm or more) are expected in places over the southern parts of the West Coast District, Cape Winelands, Cape Metropole and the Overberg District of the Western Cape.

Looking Ahead

• Very cold, wet and windy conditions will persist over the high ground areas of the Western and Northern Cape on Wednesday, and will spread to the high ground of the Eastern Cape as well as the southern and eastern Free State, persisting through to Friday.

• Snowfalls will continue on Wednesday over the western high ground of the Western Cape and the southern high ground of the Northern Cape, as well as on over the mountains of Lesotho and north- eastern mountains of the Eastern Cape. Snowfalls will continue over these areas on Thursday, clearing from the west between late Thursday and Friday afternoon.

• Gale force winds (35kt/65km/h) will persist on between Lamberts Bay and Port Edward until Thursday, when moderating gradually from the west. Very rough seas with a total wave heights in excess of 5 to 7m will persist between Orange River and Port Alfred until Thursday.

 

 

 

 

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