Confused by Rainchsers gauges - Yorkshire, NE

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banzer
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Confused by Rainchsers gauges - Yorkshire, NE

Post by banzer »

So there was quite a bit of rain over the last two days. Dry today.

Here's what the main river gauges in the region are showing according to Rainchasers.

Tees (all sections) medium, couple of peaks over last two days

Swale and Ure (next major catchments southwards): low and scrape respectively; neither shown any peak at all over last two days

Wharfe: just coming up last few hours to medium, was scrape up until then

Clough, Lune: nowt

How come two rivers (not immediately next to each other) have water, yet all the others in the area and in between haven't budged? Are the gauges maybe not that reliable? :-/

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Re: Confused by Rainchsers gauges - Yorkshire, NE

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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by jmmoxon »

Gauges belong to EA, not rainchasers. Some (e.g. swale - it peaked on Saturday & Wednesday) don't report that often, unless it's flooding (to save money) & rainchasers doesn't fill in the gaps, so doesn't show Wed peak. Some gauges are upstream of section, others downstream, so water arrives at different times. Medium requires different amounts of water depending on the section / river.
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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by MartinB »

If you use river app it shows the 15 min report the ea gauges actually record. They updated the software last year.
Normally they update the web sites at 5am and 5 pm automatically but if EA personal are expecting flooding they manually check the levels which shows on rainchaisers and River App etc

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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by Big Henry »

Different rivers take different amounts of time to rise and fall, and some need more water to rise when it's raining than others. I believe the 'flashiest' river in the country is the Swale (it used to be the Tees before Cow Green reservoir was built), so it tends to rise and fall very quickly. You have to take into account peculiarities of meteorology, in that sometimes it can rain in Swaledale but not in Teesdale. Then there are geographic features such as shapes of valleys and the features in the valleys mean that sometimes water runs straight into the rivers when it rains, making them rise quickly (this also happenes after prolonged dry spells where the ground is hard and doesn't soak up water very quickly, so it justr runs straight into the rivers). Are there a lot of trees in one area that will soak up the rainwater? Peaty soil soaks up a lot of water before releasing it slowly as well. What types of farms are about can affect it, with cattle and sheep stamping the ground to harden it and reduce water soaking. Some types of ground will soak up water and then release it at a slower rate, which keeps rivers higher for longer after rain. Are there reservoirs in the valleys? Other than Cow Green there are several on smaller rivers that run into the Tees, so if they are low they will keep water back until they reach a point where it just gets released through. What is the catchment area for the riveres? is it just a narrow valley with few other rivers running into it, or is it a wide area with lots of streams and rivers flowing into it? There are a lot of factors that need taking into account!

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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by jmmoxon »

Plus rainchasers website is being replaced by an app (of same name)
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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by Franky »

Does anyone know why the Rainchasers web site has been effectively dismantled, as of today? Is it to push people into downloading the app? What about those who want to view it on a computer? There is a minimal web interface, but it's virtually unusable.

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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by Franky »

Sorry if I sounded snarky. I realise it's up to the person made Rainchasers (can't remember who it is) what they do with their site. I was just a bit disappointed (but then, it's not as though I'm paddling any rivers anyway at the moment).

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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by Joseph:) »

From a post I saw on Facebook it seems like the Rainchasers creator has decided not to continue maintaining the website and focus on the app instead.

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Re: Confused by Rainchsers gauges - Yorkshire, NE

Post by jmmoxon »

Website is a mess of fixes on temporary patches which he hasn't the time to repair, whilst the app has started from scratch & will have other features in time.
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