Victoria Falls has multiple seasons that determine different
kinds of humidity. In the season that is warm and wet, around October, the
saturation quantity ad the absolute humidity is much higher. Warm air can hold
more water. Thunderstorms are prominent in the warm and wet season. Thunderstorms
have three different stages, which are the updraft cumulus stage, mature stage,
and dissipating stage. Though in the cool and dry season, the region is
generally dry, with the landscape drying up and grass fires occurring more
frequently. The cause for the climate moisture and weather is the
inter-tropical convergence zone, which is “the meeting place of the
sub-tropical high pressure areas of the northern and southern hemispheres. The
inter-tropical convergence zone brings rain to the Victoria Falls region.
http://www.weatheronline.co.uk/weather/maps/city?LANG=en&PLZ=_____&PLZN=_____&WMO=67843&PAG=1&CONT=afri&LEVEL=160®ION=0007&LAND=ZW&INFO=0&R=0&NOREGION=1
Also, water droplets will condense from the spray of the
falls, and fall as “localized rain.” The rain supports the forest agriculture.
http://aerofile.blogspot.com/2009/07/botswana-rain-showers-virga-victoria.html
The thunderstorms in Victoria Falls are known to be violent.
Hail accompanies the thunderstorms often, hail forming with trips in the
atmosphere below the freezing level, gaining more layers of ice. The water
droplets are picked up by updrafts carried above the freezing level, and the
water droplet freezes. Risks of flash flooding increase with the thunderstorms
in the warm and wet season. During thunderstorms, the convection form of
precipitation occurs. The dew point can reach 100% through evaporation of the
Victoria Falls and Zambezi River.
http://www.northpridemale.com/2012/02/victoria-falls-the-smoke-that-thunders/
Sources
"Africa - Zambia Travel Guide & Victoria Falls." Zambia Climate & Weather. Web. 12 Apr. 2012.
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