h2005__uk__
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Posts posted by h2005__uk__
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Essex, Norfolk and Suffolk didn't join in with the peak of June 2019's briefly hot spell, but did join in from the start of the July 2019 heatwave. See screenshots attached.
Is there any reason why those counties didn't see more of the hottest temps last June? I remember they were forecast to but didn't. It was frustrating but we only had to wait a few weeks for that record-breaking heat.
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Essex, Suffolk and Norfolk missed out on the peak of the heat during the first hot spell of 2019, but joined in 3 weeks later when a similar burst of heat arrived in the UK (see attached maps).
Is the heat next week likely to include the eastern counties as it usually does, or miss them like in June 2019?
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Is it me, or are the models this summer just all over the place and not really showing anything consistent?
I'm sure in the last few years by this point of summer, they've shown a plume (or something) on the horizon. More often than not they turned out not to happen but at least they were hinting at something. There doesn't seem to be anything like that this year.
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Hi
I posted elsewhere about upgrading my Fine offset station, but have decided for now to stick with it. Part of what's put me off is that the newer versions seem to have all-in-one setups, whereas I want to be able to put the thermometer in a separate place (easy to do with the older version - see below).
Does anyone know where I can get spare parts for the Fine Offset station?
Is there a list of the various names that this station comes under? That'd make it easier to search for parts etc.
Thanks!
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Hi
I've been using a Fine Offset weather station (a Maplin one, WH1050 or WH1080, picture attached) since 2014.
I can't recall the exact cost but it was around £100.
I suspect spares for this station will be harder to source in the future so I'm looking at a whole replacement in the near future.
Does anyone have recommendations for what's on the market these days and is similar to the Fine Offset one, both in terms of functionality and price (though I'd probably go higher, up to about £200)?
Thanks.
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Really noticed it at the weekend due to the clear skies - pretty much still light at 16:40. Sunset was technically 16:23; civil twilight 17:01.
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Interesting that people are largely going for a poor summer - is this just on the back of thinking that we're 'due' another 2007/12?
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In Chelmsford, my station hit 1050.4mb at 23:13 yesterday (adjusted for altitude) - the highest I've recorded since my records began in 2013.
The nearest MetO station - Andrewsfield - recorded a max of 1049.1mb. I say "max" but that's actually the highest hourly reading - possibly could have gone higher as I can't see a definitive max that considers readings between the tops of hours.
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Given the overall warming climate, buildings must generally be warmer during the summer nowadays - couple that with intense heat and it'll become very unpleasant indoors.
Therefore it's becoming more and more important to invest in A/C - even a portable one which should cost no more than £200 and cools a standard size bedroom within an hour to a comfortable level for sleeping.
I know £200 isn't pocket money (and they cost about 50p per night to run) but surely it's worth it to improve comfort levels.
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I've often wondered what it'd take for a sudden ridiculous temperature such as 30C in January in the UK or, conversely, -10C in July. I say "sudden" because I don't mean it'd be part of a hot/cold spell.
Of course we've had it on a smaller scale with the >20C temps last Feb, but what circumstances would be needed for this to go a lot higher?
I'm assuming (barring extreme climate change) that some sort of sudden sun-related event would be required? I suppose extreme cold in the summer would be achieved by something blocking out the sun on a wide scale...
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Interesting variations today compared to yesterday.
I'm 6 miles NE of Writtle and 10 miles S of Andrewsfield MetO stations, and usually the max temps I record are a bit lower than Writtle and the same/slightly higher than Andrewsfield.
The maxes yesterday were:
Writtle 32.2
Andrewsfield 30.5
Me 29.8Today:
Writtle 32.1
Andrewsfield 30.8
Me 31.7Almost the same as yesterday for Writtle and Andrewsfield, but 1.9 higher for me today. I think it was because yesterday the temp flatlined at 15:30 and didn't increase again, but today it continued rising until 16:15.
Exactly the same conditions though - sunny all day with very light wind. What could cause such a variation or is it a micro-climatic quirk?
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10 minutes ago, Mike Poole said:
If the bookies are still offering 2/1 on the bank holiday record going, it might be worth a punt!
Which one was offering that?
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14 minutes ago, Ed Stone said:
This looks tasty. Very very tasty!
What sort of max temps would that give across the country?
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33 minutes ago, Weather-history said:
From Rostherne since Manchester Ringway closed.
Is there a website for it and similar data?
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2 hours ago, Weather-history said:
Since 17th July and up to 13th August, a provisional rainfall total of around a staggering 174mm. I reckon it is has been the wettest mid July-mid August since at least 1931 for the NW England and N Wales region
Manchester Summer Indices
[clipped]Where did you get the temp and sun data from for these indices?
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Does anyone know where I can find data for daily sunshine hours?
I've found this on Meteociel but can't find a key for the colours used, plus I'd rather the data in tabular form if possible - https://www.meteociel.fr/observations-meteo/enso.php?region=uk
Thanks
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12 hours ago, danm said:
Why don’t websites that list this data show the highest temperature reached that day rather than just the highest hourly figure?
Not all MetO stations have the actual max/min data freely available (only the hourly data is). So I assume some websites just use the hourly data for all stations as it's easier than using the actual max for some stations but not others.
It's a bit misleading though. If a website says "maximum" it should either pay to get all the data from MetO, or it should make clear it's only the max from the hourly readings.
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How often are the 'FI' charts of the shorter-range models actually correct? I know they're supposed to be useful to pick up trends but it seems quite rare that 'FI' is correct. The same goes for the longer-range models like CFS.
If the success rate is too low then you could argue that 'FI' charts/long-range models may as well just pick solutions at random and be right some of the time...
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What are the chances that some realigning of these low pressure systems could result in some hot air being dragged up to the UK, at relatively short notice?
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See this thread here where I monitored app/website temperature accuracy during the recent heatwave -
WeatherPro (which is just an app with no website) came out on top. I also find WeatherPro the most accurate in terms of the weather type as well as the actual temperature.
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Could someone please explain the broad syntopics behind the recent heatwave? Was the intensity of it simply due to the heat over France/Spain which the UK was able to tap into?
Thanks.
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Between 17th and 24th July, I logged the max temperatures being forecast for Chelmsford by the main weather websites, for the period of 22nd to 25th July (i.e. the heatwave period). I thought this was worthwhile as there was uncertainty over the peak day of heat and what the temperatures would be.
I developed a crude scoring mechanism which I weighted so the more a forecast was out the closer it got to the date, the higher the score. Therefore, the lower a score, the better. I then took averages which produced the following ranking:
1. WeatherPro/BBC* 7.7
2. WeatherOnline 10.1
3. Google (weather.com) 10.2
4. Accuweather 11.8
5. MetOffice 13.7
6. NetWeather 14.6
7. MetCheck 20.3
* Grouped together as they're both MeteoGroup and their forecasts are almost identical.This is far from scientific, but I wasn't surprised to see WeatherPro come top, Metcheck come bottom and the MetO not do very well. I always thought WeatherOnline over-did temperatures but they did well here.
The graphs below show how each site did with its forecasts, versus the actual recorded max (at Writtle, MetO's Chelmsford station). Some are missing where the site didn't offer a forecast beyond five days. The 'top 2' and 'bottom 2' are based on the scoring which is calculated as described above. Therefore a forecast which was accurate in the end would score less overall if it was way out a few days before.
Mon 22/7
Top 2: Accuweather and WeatherPro/BBC
Bottom 2: Netweather and Metcheck
Tue 23/7Top 2: Google and WeatherPro/BBC
Bottom 2: Netweather and Metcheck
Wed 24/7Top 2: Weather Online and WeatherPro/BBC
Bottom 2: MetOffice and Metcheck
Thu 25/7Top 2: WeatherPro and Weather Online
Bottom 2: Netweather and Metcheck
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1 hour ago, Mapantz said:
It's the job of the websites to have some kind of quality control in place.
I don't think it's not worth having a station linked via a Raspberry Pi if a sensor over or under reads temps as you can use the software to add an offset to fix it.
Do WOW/Wunderground have quality control? My experience is you could just sign up and submit readings and that was it, but maybe it's different for new sign-ups now. I don't think any weight is given to these personal stations though. They're separate to ones like Cambridge botanical gardens which are 'manual' but verified by MetO.
I looked into correcting over-readings using software, but I wasn't sure how it'd do it reliably when the over-reading is caused by bright sun. If you had a cloudy afternoon then the software would needlessly reduce a max temp. Presumably it'd have to factor in how sunny it is.
Summer 2020 - Moans, Ramps & Chat
in Spring Weather Discussion
Posted
I think you've answered my question which I coincidentally posted at the same!
Is this forecast to happen again for next week?