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27 November 2009 – Pretoria

After heading to Pretoria for a week this November I was greeted by wintery weather and had to wait 4 days just for the temperatures to recover to something more suitable for development- though had to wait 7 days for actual storms to develop.…

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Tropical Invest 98S Could Be Giovanna
Articles Local News

Tropical Invest 98S Could Be Giovanna

There is a new area of interest in the South Indian Ocean, a disturbance has been present over the past couple of days and has showed increasing signs of organization. The area has been labelled as Invest 98S and looks to become our next tropical storm in the South Indian Ocean.…

Articles Local News

How Hurricanes Form

This is the first part of how hurricanes are formed, updates or additions may be made in the future. Hurricanes, tropical cyclones, typhoons- Whatever you want to call them, these storms are some of the most destructive in the world. They are called hurricanes when they occur in the Atlantic, Caribbean, Gulf of Mexico and Eastern Pacific and typhoons when they occur in Northwest Pacific, while when these storms occur in the Indian ocean they are referred to as tropical cyclones.…

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Strong Storms in Eastern Cape

Around 16:30 today, 5 May 2009 there were a series of strong thunderstorms visible on the 50km East London radar which peaked at around 60 dBz which usually indicates extremely heavy rain or hail. These storms were originally heading south east before changing direction and heading north east for a while just to the north west of East London.…

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Articles Local News

Thundershowers for Northern South Africa

A low pressure system is currently situated around the North West province which has been pulling moisture down from the north into areas such as Gauteng, Limpopo, Mpumalanga, North West Province and part of the Free State. This set up will allow for showers and thundershowers with fairly decent rainfall totals of near 10mm per 24 hours for many parts.…

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Articles International News

American Tornado Intercepts – 29 April 2009

Tornadovideos.net chasers managed to intercept some great supercell structures in a slight risk day in Texas state. In the evening hours a storm dropped some amazing tornadoes infront of severeal storm chasers including David Drummond and Reed Timmer. Below is a video taken from Reed and the TVN crew.…

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Articles Trip Reports

22 November 2007 – Johannesburg Severe Thunderstorm

On 22 November 2007 I was situated in Pretoria, Gauteng for a few days. I started the day by heading to Fourways, Johannesburg at around 9am, though my initial reasoning for visiting Fourways was not storm chasing related I was well aware that the South African Weather Service had issued a 60% probability of thunderstorms and that conditions were looking good for development with temperatures forecast to be in the upper 20s to low 30s.…

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International News

US Tornado Outbreak – 26 April 2009

The ingredients were looking good for storm developing for days leading up till the 26th with dew points touching 70’F and good shear profiles with CAPE and EHI indexes all looking decent for tornado development. Early on the 26th the Storm Prediction Center issued a rare “High Risk” alert for parts of the Texas Panhandle and Oklahoma reaching up to Kansas.…

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Articles Local News

Winter Weather To Begin

After a fairly dry summer it seems as though winter is knocking on the door, there have been a few weak fronts pushing through as well as a cut-off low during the second last week of April. This system brought some thundershowers to the Western Cape and Eastern Cape regions with several squall lines developing.…

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Articles Local News

16/17 April 2009 – Cape Town Mammatus Event

On the morning of the 16th April 2009 a sharp trough situated to the North West of Cape Town was resulting in some unstable weather with a risk of thundershowers in the area. At 08:15 it was noted on the Cape Town Webcam that a small amount of mammatus were evident near Table Mountain, during the next 15 minutes the mammatus clouds started developing rapidly along the edge of the passing cloud band.…

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