h2005__uk__
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Posts posted by h2005__uk__
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13 hours ago, cheeky_monkey said:
i had a look one station at histon recorded 41.4c yesterday?
It says in the description on the PDF you shared that the station over-reads in sunshine.
That station must just be a personal one that doesn't report to the MetO.
Personally I don't see the point in even having a station linked to a Raspberry Pi etc, let alone reporting to things like WOW/Wunderground, if it over-reads in sunshine. Each to their own I suppose.
I went to a lot of effort (not expensive but took a lot of time) to make a small, aspirated screen for my sensor to ensure it doesn't over-read. The result is my readings are generally in line with the two nearest official MetO stations - sometimes mine are slightly lower and sometimes slightly higher (rarely differing by more than 0.7C), giving me confidence it's pretty accurate.
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1 hour ago, Rob K said:
Maybe a late plot twist:the manual Cambridge Botanic Gardens site appears to be showing a max of 38.7C. https://wow.metoffice.gov.uk/observations/details/?site_id=27484233
Is that an official MetO site?
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Only a few weeks ago, I said it'd be the first summer that mid-Essex hadn't reached 30C for a decade if it didn't reach it this year.
Well it's more than reached it - Writtle (Chelmsford) broke its own all-time record from Aug 2003 by 2C, reaching 37.7C.
I've also recorded my own all-time record of 35.5C (my records began in Sept 2013).
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A number of all-time local records must've fallen today.
Writtle (Chelmsford) in Essex reached 37.7C according to MetO, smashing its Aug '03 record of 35.7C.
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8 minutes ago, matty007 said:
No, it's on the free 'Live' feed.
https://www.netweather.tv/live-weather/mapHow's it showing a temperature that's 'between' the hours? My local one (Writtle) isn't showing up there but my next nearest, Andrewsfield, still has the 9am temp.
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Teddington, Bushy Park (SW London), 29.2C at 9am.
I'm using the WQRadar map, but I pay an annual subscription so don't know what non-subscribers can see: https://weatherquest.co.uk/RadarV5/
(The benefit of that site is you can get the maxes/mins for all MetO stations, including the maxes/mins for stations starting '99' which aren't available by the MetO free of charge.)
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Mid-Essex missed out on 30+C at the end-of-June plume, but it finally reached 31.7C at Writtle and 30.3C at Andrewsfield yesterday (Tues), although my station 'only' got to 29.7C.
However, I got to 33.6C today and Writtle (warmest in UK) got to 34.3C; Andrewsfield 32.7C.
Forecasts for tomorrow here range from 32C to 37C; I suspect it'll be around 36C. The all-time max for Writtle is 35.7C; Andrewsfield 35.9C (both 10/8/03).
By the way, I've been logging the forecast temps from seven online forecasters for Chelmsford over the last few days and will post results of their accuracy later this week.
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12 hours ago, stainesbloke said:
Air conditioning isn’t that expensive anymore. Cheaper options are available that very successfully cool down a chosen room. Mobile units work well (my friend has one from Argos, cost £300, bedroom is like an ice box and it’s a big room in an old, hot house).
I got a small unit for £200 from CPC and it works like a dream (Aldi/Lidl also sell them sometimes). Gets my bedroom (10sq.m. in size) down by several degrees in under an hour. This evening it went from 31C to 22C in a couple of hours.
It's a worthwhile investment if you can afford it - costs about 50p in electricity to run all night and should have a long life as it will only be used for a couple of months (if that) each year and only at night if you just want it cool for sleeping.
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Both Writtle (Chelmsford, Essex) and Charsfield (Ipswich, Suffolk) got to 33.6C at 4pm. Seem to be the hottest two stations in the UK today.
May well have got warmer in-between the hours.
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38.8C, Heathrow, Thursday.
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1 minute ago, CreweCold said:
I get very hot and sweaty and I'm slim like you. It's not always about weight.
As im aging, my tolerance for cold is decreasing but my heat intolerance is not changing. I can sweat walking to work when it's 20c and have it running off my forehead.
I'm the same. I've always felt the heat easily - I'm now 31 and that shows no signs of changing (yet). I'm also average weight.
I always go out in a t-shirt if the temperature's about 16C or more - can manage down to 13C if the sun's out and there's little wind.
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3 minutes ago, MattStoke said:
Early next week is now coming into range of the Aperge.
Note that's the max. between 8pm Tuesday and 8am Wednesday, so presumably those high temps are from Tuesday evening. Will be interesting to see what it says for the daytime of Weds.
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23 minutes ago, MattStoke said:
Here are the London daily maximum temperatures according to that GFS 6z run.
Can you provide a link for that site please?
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46 minutes ago, DiagonalRedLine said:
Indeed! As you say, the 00Z ECMWF does show some impressive 850 hPa air over the South-Eastern UK towards the end of its run.
For a bit of fun at that time-frame, but I guess with enough sunny breaks, temperatures could quite easily reach 25*C+ in some South-Eastern spots.
Great post!
Surely they'd be a lot higher than 25C in the SE with that setup?
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GEFS has been picking up on a hot end to July for several days now, as identified primarily by Karl.
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16 minutes ago, Alderc said:
GFS wanting absolutely nothing to do with low pressure becoming the dominant force next week and again the 06Z brings in something more plumey around D9. While not as extreme its almost an exact copy of the late June plume with GFS persisting with the idea initially and being out on its own while ECM goes down another route.
The GFS temp charts at that period don't seem anything overly special. Do they need a while to catch up with what the wider synoptics show?
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2 hours ago, Mattwolves said:
A similar situation to what we just received 2 weeks down the line would bring more extreme heat. SSTs would be increasing and with the ground drying it would aid the situation even more so... Other than that, a scenario like the chart I have posted would also raise a few eyebrows.
Didn't what happened last weekend spring out of nowhere (GFS was the first to pick up on it if I remember)? Hopefully something else will similarly spring out.
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How much adjustment would it take to get some real heat pumping up? Presumably the warm, relatively benign conditions over the next week would assist any heating.
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If neither of the mid-Essex MetO stations* get to 30C this summer, I reckon it'll be the first summer since 2009 not to do so.
*By this I mean the Andrewsfield and Writtle stations (although Andrewsfield is a bit further north). I looked at maxes back to 2015 from Writtle via WQRadar, and back much further for Andrewsfield via Ogimet.
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8 minutes ago, Ed Stone said:
Could we be in for a stonking 2-weeks' weather?
Wouldn't that initiate a plume with the low to the west of us like that?
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4 hours ago, Weather-history said:
Yesterday before the middle and high level cloud came over, it was idyllic, sunshine and pleasant as it was before Saturday.
I don't see why it has to be an inferno just to make it less boring?
Why is 22C sunny boring but 28C sunny isn't?
Maybe those who say spells of low 20Cs and sunshine is "boring" need to be more specific - it's meteorologically boring, albeit pleasant and usable.
Much of June was poor so I can see why people are quick to defend the current weather, but in meteorological terms, we've had poor weather and/or meteorologically boring weather so far this summer (bar Saturday's heat which was a non-event for most).
I think a 2/3-day widespread plume with storms would scratch the 'meteorological interest' itch. We often get those in summer and could do this summer, but it feels like a longer wait than usual after the poor June and the non-event last week.
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Any signs of a plume on the horizon?
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Below are the SLP and 850 temp charts for the days I've recorded 30C+ (in mid-Essex) in the last few years.
I was looking at the main features required for such heat. It seems to me the most common setup is lack of a Greenland high, high pressure to our east, low pressure to our west and of course correspondingly warm 850 temps.
Can anyone help me spot other features that have delivered these temps and/or other unusual setups from the charts below?
Thanks!
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1 hour ago, danm said:
We don’t often exceed 34c in this country so very likely last Saturday will be the hottest day of 2019. However that doesn’t mean another heatwave isn’t on the way at some point. We have two months left of meteorological summer. It just may not exceed 34c!
It depends where you mean - nationally it may have been the warmest day of the year, but locally there are many areas which usually hit 30C but have yet to do so. So yes, perfectly possible there may be a heatwave with widespread low 30Cs, but nowhere getting to 34C.
Hot week - guess the temperature competition
in Spring Weather Discussion
Posted · Edited by h2005__uk__
You've taken what I said out of the context of the rest of the sentence! I said there's no point in that IF the sensors over-read.
I have mine linked to a Raspberry Pi and it works very well. But as I said, I ensured the sensors are as accurate (and therefore useful) as possible.