Page 97 - Designing Ways 250
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TAIL OF
               THE DOG


                                                  Rain, rain, rain



                he summer of 2021 has been    Intertropical Convergence Zone.   In fact,  the current rainfall  has been
                a time of extreme weather     This  is  where  the  weather  systems   caused by an enormous high-
           T– extremely wet.  Vaal Dam        from Angola, the DRC, Madagascar,   pressure system  off  the east coast,
           is 110% full, informal settlements   Mozambique converge  and create   south of Madagascar, being  blown
           on river banks have been washed    low cloud and persistent rain during   in across Mozambique, bringing with
           downstream.  The ground  is too wet   the months of December and     it all the rain we have had recently.
           for crop planting, seeds and nutrients   January. National parks are closed,   Normally  the thunderclouds  build up
           are being washed away. The constant   as the roads become impassable,   in the south  western  sky,  and come
           rains have been blamed on La Nina, a   malaria is rife, and it is a gloomy   lumbering over  Johannesburg  like
           young lady who brings about tropical   time. I thought the ITCZ had slipped   huge  grey  space  ships,  offloading
           rains  to  the  Pacific  Ocean  area,   down to Johannesburg, in support of   heavy rain with lightning and thunder
           alternating with her brother El  Nino,                               accompaniment.  Not this year  – the
           who is responsible  for  conditions of   Zimbabwe workers here.      cloud has been coming in from the
           extreme drought. This is a bit far from                              east,  and  filling  the  sky  solidly,  then
           El Nina’s strike area, so it is surprising.   Another suggestion has been that   dropping  rain continuously, with the
                                              we are in a Cut Off Low, when one   occasional  rumble of thunder. It has
           We tend to follow the weather      weather system of low pressure gets   been spectacular.
           fronts  from  the  south  Atlantic that   cut off by an incoming high-pressure
           sweep into Cape Town. After a day   system, and the pressure on the   American  political analyst  Charles
           of screaming south easterly winds   cloud base results in incessant   Murray quoted – aptly but completely
           there,  24  hours  later  we  get  fierce   pouring rain.  This occurs when the   out of context to his work – “it has
           thunderstorms here.                front from the South  Atlantic gets   been raining  cats and dogs – and I
                                              covered  by a  warm  wind  coming   just stepped into a poodle.”
           Zimbabwe refers  to  a  weather    down the west coast, and the result
           phenomenon called the ITCZ, or the   is – rain.                      Gill Butler
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