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WEATHER GURU | Low dam levels prevented a far worse disaster

Theherald · · 895 words · By Garth Sampson
Environmental Impact Historical Weather Comparison Flood Mitigation and Dam Management
open_in_new Read the original article: https://www.theherald.co.za/opinion/columnists/2026-05-15-weather-guru-low-dam-l…

psychologyDetected Techniques

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Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.
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Exaggeration / Hyperbole 70% confidence
Overstating facts or claims to create a stronger emotional response.

fact_checkFact-Check Results

16 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

schedule Pending 6
check_circle Corroborated 3
info Single Source 3
verified Verified By Reference 2
help Insufficient Evidence 2
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“The Algoa System stood at a combined capacity of just 36% before the rains started on Tuesday, then rose to 106% by Thursday and 115% by Friday morning.”
CORROBORATED
The specific percentages (36% before Tuesday, 106% Thursday, 115% Friday) are reported by Weather Guru, and The Citizen corroborates the starting point (35.6% on May 4).
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wikipedia NEUTRAL — This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States during January, February, and March 2020. Based on the 1991–2010 av…
https://en.wikipedia.org/wiki/List_of_United_States_tornadoe…
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wikipedia NEUTRAL — 1st Medium Regiment was an artillery regiment of the South African Army, formed in 1946 following World War II.
https://en.wikipedia.org/wiki/1st_Medium_Regiment_(South_Afr…
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wikipedia NEUTRAL — 63 Mechanised Battalion Group was a unit of the South African Infantry Corps; although it was classed as mechanized infantry, it was a combined arms force consisting of infantry, armour and artillery.…
https://en.wikipedia.org/wiki/63_Mechanised_Battalion_Group
+ 3 more evidence sources
info
“An average of 400mm plus falling over the Langkloof”
SINGLE SOURCE
The specific figure of '400mm plus' is only mentioned in the Weather Guru source. Other sources mention 100mm to 200mm for different periods or specific locations, but do not corroborate the 400mm average.
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wikipedia NEUTRAL — Joubertina is a small town in the Kou-Kamma Local Municipality, Sarah Baartman District of the Eastern Cape province of South Africa.
https://en.wikipedia.org/wiki/Joubertina
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wikipedia NEUTRAL — The Langkloof is a 160 km-long (99 mi) valley in South Africa, lying between Herold, a small village northeast of George, and The Heights – just beyond Twee Riviere.
https://en.wikipedia.org/wiki/Langkloof
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wikipedia NEUTRAL — The Langkloof Mountains are a short mountain range within the Cape Fold Belt in the Western Cape of South Africa. They form a link between the Outeniqua and Tsitsikamma mountains to the north of Plett…
https://en.wikipedia.org/wiki/Langkloof_Mountains
+ 3 more evidence sources
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“As per John Best’s calculations, the Impofu, Kouga and Churchill dams absorbed 175,324ML of the flood waters before reaching 100%.”
SINGLE SOURCE
The specific calculation of 175,324ML attributed to John Best is only found in the Weather Guru source. Other sources confirm the dams reached 100% but do not provide this specific volume figure.
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wikipedia NEUTRAL — Churchill Dam, is a multi-arch type dam located at the Kromme River (sometimes spelled Krom River), near Kareedouw, Eastern Cape, in South Africa. It was established in 1943 and its main purpose is fo…
https://en.wikipedia.org/wiki/Kromme_Dam
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wikipedia NEUTRAL — The following is a partial list of dams in South Africa. In South African English (under influence of Afrikaans), a dam refers to both the wall as well as the reservoir or lake that builds up as a co…
https://en.wikipedia.org/wiki/List_of_dams_in_South_Africa
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web search NEUTRAL — With an average of 400mm plus falling over the Langkloof, imagine the devastation had the Kouga Dam been near full capacity. As per John Best’s calculations, the Impofu, Kouga and Churchill dams absor…
https://www.theherald.co.za/opinion/columnists/2026-05-15-we…
+ 2 more evidence sources
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“On May 6, the Churchill Dam was at 37.59%, Kouga at 32.15% and Impofu at 36.31% and by May 7, they were overflowing.”
SINGLE SOURCE
The specific percentage levels for May 6 and the overflow date of May 7 are not corroborated by any other provided evidence; the search results for this claim were generic or irrelevant.
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wikipedia NEUTRAL — The following is a partial list of dams in South Africa. In South African English (under influence of Afrikaans), a dam refers to both the wall as well as the reservoir or lake that builds up as a co…
https://en.wikipedia.org/wiki/List_of_dams_in_South_Africa
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web search NEUTRAL — All Global Research articles can be read in 51 languages by activating the Translate Website button below the author’s name (only available in desktop version). To receive Global Research’s Daily News…
https://www.globalresearch.ca/covid-pandemic-fraud-lie-hoax/…
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web search NEUTRAL — A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigatio…
https://en.wikipedia.org/wiki/Dam
+ 1 more evidence source
verified
“There are two rivers that feed the area, namely the mighty Kouga (which we all know) and the Groot River.”
VERIFIED BY REFERENCE
Wikipedia and multiple web sources confirm that the Gamtoos River is formed by the confluence of the Kouga and Groot rivers.
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wikipedia NEUTRAL — Gamtoos River or Gamptoos River is a river in the Eastern Cape Province, South Africa. It is formed by the confluence of the Kouga River and the Groot River and is approximately 645 kilometres (401 mi…
https://en.wikipedia.org/wiki/Gamtoos_River
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wikipedia NEUTRAL — The Kouga River originates near Uniondale, Eastern Cape, South Africa, and flows eastward, where it joins the Groot River to form the Gamtoos just past the Kouga Dam. Its main tributary is the Baviaan…
https://en.wikipedia.org/wiki/Kouga_River
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wikipedia NEUTRAL — The Groot River is a river in the southern area of the Eastern Cape province of South Africa. It is a right tributary of the Gamtoos River. This river passes through Steytlerville.
https://en.wikipedia.org/wiki/Groot_River_(Eastern_Cape)
+ 3 more evidence sources
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“The Groot River originates at a point where the Kariega River and the Sout River meet at the Beervlei Dam some 25km north of Willowmore, which itself has a catchment area of 1,440 square kilometres.”
CORROBORATED
The origin of the Groot River at the Beervlei Dam where the Kariega and Sout rivers meet is confirmed by both Weather Guru and a cached reference source.
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web search NEUTRAL — The Buffels River becomes the Groot River from where the Klein-Swartberg River joins the Buffels. Gouritz River. Beervlei Dam.
https://simple.wikipedia.org/wiki/List_of_rivers_of_South_Af…
travel_explore
web search NEUTRAL — The Groot River originates at a point where the Kariega River and the Sout River meet at the Beervlei Dam some 25km north of Willowmore, which itself has a catchment area of 1,440 square kilometres. T…
https://www.theherald.co.za/opinion/columnists/2026-05-15-we…
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web search NEUTRAL — The Groot River originates at a point where the Kariega River and the Sout River meet, although they enter the Beervlei Dam as the Sout River. Beyond the dam, the river becomes the Groot River, runnin…
https://ww-article-cache-1.s3.amazonaws.com/en/Groot_River_(…
verified
“With a capacity of 85.8-million cubic metres, the Beervlei Dam is almost as big as the Kouga Dam but was never designed to store water.”
VERIFIED BY REFERENCE
Wikipedia confirms the capacity of 85,800,000 cubic metres and its purpose as a flood control dam (designed to be empty/not for storage).
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web search NEUTRAL — Beervlei Dam is a dam across the Groot River, Eastern Cape, South Africa. Established in 1957, it has the capacity of 85,800,000 cubic metres, and a surface area of 23.145 square kilometres, and the d…
https://en.wikipedia.org/wiki/Beervlei_Dam
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web search NEUTRAL — With a capacity of 85.8-million cubic metres, the Beervlei Dam is almost as big as the Kouga Dam but was never designed to store water. It is often referred to as the “dam designed to be empty”, as it…
https://www.theherald.co.za/opinion/columnists/2026-05-15-we…
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web search NEUTRAL — The Beervlei Dam is supposed to be empty. The dam was completed in 1957 as a flood control dam to help protect areas downstream.The dam’s wall is 31 meters high and it has a capacity of 85,800,000 cub…
https://www.karooheartland.com/listings/beervlei-dam/
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“the Beervlei Dam was first constructed to alleviate flooding of the Gamtoos caused by the Groot River and was completed in 1957.”
CORROBORATED
Multiple independent sources (Weather Guru, Karoo Heartland, Baviaans Tourism) confirm the Beervlei Dam was completed in 1957 for flood control of the Groot/Gamtoos system.
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web search NEUTRAL — Impofu Dam as it looked in 2023 during water restrictions due to the drought (Supplied). It is interesting to note that the Beervlei Dam was first constructed to alleviate flooding of the Gamtoos caus…
https://www.theherald.co.za/opinion/columnists/2026-05-15-we…
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web search NEUTRAL — The Beervlei Dam is supposed to be empty. The dam was completed in 1957 as a flood control dam to help protect areas downstream on the Groot River when good rains do happen.
https://www.karooheartland.com/listings/beervlei-dam/
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web search NEUTRAL — The Beervlei Dam was completed in 1957. It was built for the purpose of flood control on the Grootrivier, especially for the sake of the farming community in the Patensie area.
https://www.baviaans.co.za/listing/the-beervlei-dam_15_2017
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“Only then was the construction on the Kouga Dam started, which was completed in 1969 to stem the waters of the mighty Kouga River and to serve as a storage dam for the agricultural sector.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to confirm the completion date of the Kouga Dam as 1969 or its specific purpose.
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“The Beervlei Dam stood at 0% on April 28 and 8.4% by May 8 and by May 11 had reached 78%.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to confirm the specific capacity percentages of the Beervlei Dam for April 28, May 8, and May 11.
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“The Gamtoos has recorded flood events dating back to 1847, 1867, 1905, 1916, 1932, 1944, 1961, 1971, 1996 and now again in 2026”
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“the flooding in the Swartkops areas was not as bad as in 2006.”
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“Redhouse was badly flooded once again.”
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“The major contributing factor during the 2006 flood was that the Groendal Dam was almost full due to a similar system passing through in May of that year, before the main event in August.”
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“This time around, it was at 70% before the event”
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“1950: Floods reported from Cradock (Nxuba) area and surrounds.”
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info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.