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What's up with the weather

Icy temperatures and torrential rains turn November on its head

Nov 22, 2009 12:00 AM | By Werner Swart

Many South Africans have had to haul out their July woolies for a taste of winter in November - which produced snow on the Drakensberg - as icy weather and torrential rain gripped large parts of the country this week.


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A shepherd herds his sheep through snow at the top of Sani Pass, on the Lesotho border. Cold and rainy weather hit large parts of the country this week, resulting in snow and record rainfall in some places. Forecasters say it should clear by today
A shepherd herds his sheep through snow at the top of Sani Pass, on the Lesotho border. Cold and rainy weather hit large parts of the country this week, resulting in snow and record rainfall in some places. Forecasters say it should clear by today
quote 'You always find that if you go back a few years, you will find similar weather conditions for this time of the year' quote

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Summer of discontent

But although the severe rainfall and low temperatures broke 30-year-old records in some towns, experts say "it's not the end of the world", as drier and warmer conditions can be expected in December.

While the western parts of the country enjoyed normal early summer weather, storms lashed Gauteng, Limpopo, Mpumalanga and KwaZulu-Natal, claiming at least seven lives by Friday.

Professor Bruce Hewitson, who leads the Climate Systems Analysis Group at the University of Cape Town, said although the cold weather was "unusual", it is not unprecedented.

"When it comes to weather, people tend to have short memories. You always find that if you go back a few years, you will find similar weather conditions for this time of the year,'' he said.

''It's definitely not the end of the world.''

Hewitson said although climates are changing and global warming is having an impact on weather patterns, it cannot be linked to a single event like the cold November snap.

''This is a weather variation. In an El Niño year, we can expect drier weather than usual. But El Niño hasn't really kicked in yet and will only be felt towards the end of the year."

The SA Weather Service recorded record rainfall for this time of the year in several towns across the country, including:

  • Louis Trichardt, where a 35-year-old record was smashed with 105mm of rain in one day;
  • Wonderboom Airport, Pretoria, recorded its coldest November temperature with 9.6ºC on Friday, almost four degrees cooler than the coldest day in November last year;
  • In Belfast, Mpumalanga, the temperature plummeted to 7.9ºC on Tuesday, while its previous coldest day in November was 12.8º in 2005; and
  • Port Edward, on the South Coast, had 126mm of rain on Wednesday, bettering the nine-year record of 108.6mm in 2000.

Emergency services were on standby in many areas as fears of flooding increased.

In Rustenburg and Mafikeng in North West, rainfall almost doubled this week compared with the same period last year.

Meteorologist Puseletso Mofokeng said the cold snap should start coming to an end from today but warned that thunderstorms were still expected in the eastern parts of the country.

''You should start seeing the sun again from today when we have a break in the cloud cover,'' he said.

Farmers, too, have been caught by surprise. Agri SA's deputy president, Theo de Jager, said the good rainfall of the past few weeks was a welcome relief, but farmers were holding their breath for the expected dry spell.

''We were warned long ago that this was going to be a dry summer, so we were all surprised at the good rain. Believe me, farmers are smiling. The problem comes when we hit the dry months,'' he said.

Agricultural economist Professor Johan Willemse of the University of the Free State said the planting of grain crops was progressing on schedule.

But he warned that in the Southern and Western Cape the wheat crop had been damaged by unseasonal rain and cold weather, while reduced rainfall in the Eastern Cape is affecting milk production.

Up north, said Willemse, severe frost had damaged the potato crop and reduced supplies. ''The result was record potato prices during the winter in SA amid a recession.''

Farmers would have to rethink their strategies as the risk of losses increased.

"New research and technology is needed to adapt the existing production, instead of new changes that we still do not understand.''

The extreme weather often hits the poor and vulnerable the hardest, said another expert.

In KwaZulu-Natal seven people died this week when freak storms hit the province, while in Gauteng emergency services were on high alert for floods.

A lecturer in the Department of Environmental and Geographical Science at UCT, Dr Gina Ziervogel, said: "The changing patterns are having an adverse effect on people dependent on the land."

She said poorer communities didn't have the information and resources required to respond effectively to unusual weather occurrences.

  • swartw@sundaytimes.co.za
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Comments

Nov 22 2009 01:17:37 AM
Tackler
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Global cooling?
Nov 22 2009 01:50:50 AM
Keto
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Nature refuses to be regulated according to our prescriptions. ( my mums words)
Nov 22 2009 04:33:40 AM
Pleb
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These weather experts never really have a clue do they ? always looking for reasons when there are none
Nov 22 2009 05:04:53 AM
Truth still
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The greatest scientific fund raiser - global warning. Ask Al Gore he's earned a couple of million off this little joke. It seems the earth has been cooling for the last 10 years. So instead of global warming we have climate change - covers anything you want, it just keep the bucks rolling in.
Nov 22 2009 05:52:15 AM
shrott
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Recent research has shown that the average earth temperature has not risen between 1999 and 2009 apart from a El Nino effect. This has been kept out of the public eye so as not to endanger the agenda of the global warmers.
Nov 22 2009 05:54:29 AM
shrott
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There are some weather "experts" who predict a new ice age!
Nov 22 2009 06:59:16 AM
Sechaba-is-not-a-fake-Communist
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If we do not get rain we complain, If we get rain we complain. If its cold we complain. What more do you want? This is an uncontrollable circumstances. Zille or Zuma not even Obama can do anything to control it. There is no remote control to control nature. Let the nature take its coarse. We would be happy to get both rain and sunshine. It has been too hot in Zilleland lately.
Nov 22 2009 07:17:33 AM
Eric
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@ TRUTH STILL

My sentiments, exactly!

In any case, we had light snow in November in Johannesburg once back in the 80s. Then there was the big snowfall in Joburg in September of 1981.

Global Warming is the biggest scam to hit the world this century!
Nov 22 2009 07:27:36 AM
say_it_like_it_is
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It was never unusual to have snow on the burg in late october. I know becuse that is when we rushed off to play. The past two years it did not so better late than never.
Nov 22 2009 08:11:39 AM
hoodoo
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it dont rain around here, it just comes pouring down....Mark Knoffler


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