The Weather Outlook

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Ally Pally Snowman
19 August 2021 08:25:21

Going to Great Yarmouth for 4 days from the 24th August,  desperately hoping for high pressure to take control. It looks ok at the moment . Maybe a risk of low cloud in the slight easterly wind which seems likely. Wait and see job.


 


Bishop's Stortford 85m ASL.
Taylor1740
19 August 2021 14:46:21
Outlook looking decent for next week just not especially warm but then doesn't bother me too much. Would be nice to get a short spell of hot weather before the Summer is out though.
NW Leeds - 150m amsl
DEW
  • DEW
  • Advanced Member
20 August 2021 06:58:53

WX Summaries - more of the same temperature-wise. Germany and Poland also joining the UK ifor cool weather, but getting some rain while the UK is dry for week 2 (and not bad in week 1). Hot in Spain and unusually warm E of the Urals.


Jet a bit more organised than recently - small streak across S England this weekend, strong one across N Scotland Thu 2nd otherwise not much action in our vicinity.


GFS op - after shallow LP across the S Sun 22nd, steady rise in pressure to cover all Uk 1030mb Wed 25th and staying around though slowly retreating W-wards over the following week; from Thu 2nd UK weather dominated by NW then N winds generated by 995mb LP over Baltic, By Sun 5th this weakens and the HP looks set to return


GEFS - mean of temp runs staying close to norm for the next couple of weeks, subject to the usual scatter setting in after week 1. A little rain this weekend (BBC suggesting more falling locally as heavy showers) then very dry esp in the S, perhaps a little rain later on in the N.


ECM - as GFS to wed 25th, then the centre of the HP moves N rather than W. Thu 2nd is outside ECM time frame, but it looks as if the LP will not develop so strongly over the Baltic and the UK may be more affected by LP from the S


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
GezM
  • GezM
  • Advanced Member
20 August 2021 09:54:12
Continued ENS downgrades as we get closer to the time. It seems that the very warm outliers disappear as the runs approach T+0 which brings the mean down. GEFS just hovering above average (more so up in Scotland) before dropping to near normal. GFS Ops run shows autumnal weather dangerously close to our shores later in the run. The Ens looks better but if you run the average 850HPa day to day, those greens are steadily sinking south and getting closer.

Will late August be our last 'warm' settled spell of the summer, or will the models switch and offer us a late taste of summer in early September as is often the case?

Watch this space!
Living in St Albans, Herts (116m asl)
Working at Luton Airport, Beds (160m asl)
briggsy6
20 August 2021 17:04:27

The Met Office have issued several severe weather warnings for the coming weekend . In my experience, they tend to over egg these warnings, which will probably just turn out to be a few hours light-moderate rain in most locales. Somebody high up there has clearly decided it's safer to go a bit OTT with the warnings then be accused of not warning people sufficiently of flooding and/or lightning risks. 


Location: Uxbridge
DEW
  • DEW
  • Advanced Member
21 August 2021 07:05:39

Summary outlook pattern much the same as yesterday except if anything even cooler and drier in week 2. An anomaly, surely? If it's going to b dry and by implication fine, the sun is still powerful enough to lift daytime temps, so it could still be very pleasant in the middle of the day though no heat wave.


Jet - occasional streaks near the UK but nothing of note except on a couple of days from the N on Thu/Fri 2/3rd.


GFS op - current shallow LP across the S replaced by anticyclone Wed 25th 1030mb covering all UK. A tendency for it to move N with E-lies for the S until Tue 31st when the HP moves off to the W and in combination with LP over Scandinavia gives some quite strong N-lies until the HP re-establishes itself 1025 mb Mon 6th, again covering all the country.


GEFs - mean temps staying close to seasonal norm in S, a couple of degrees above in N, good agreement for the first week but increasing variation thereafter (at about Thu 2nd op and control in opposite  directions ca 8C above and below, probably depends on whether we get the edge of that N-ly or a full-on blast, small differences in position of HP & LP will make a big difference to temps)


ECM - consistent with its own forecast yesterday and differs from GFS as the HP quite definitely moves N/NE (1025 mb Scandi Sat 28th) before shifting to the W but with enough HP staying over Scandi to prevent N-lies and instead another of those shallow lows moving across England fro the W Tue 31st


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
Rob K
21 August 2021 17:29:15
So much for a washout day. Forecast was for rain almost all day. I’m fa try we had a few spots this morning, not even enough to wet the ground, and then a warm day with some sunny spells this afternoon.
Yateley, NE Hampshire, 73m asl
"But who wants to be foretold the weather? It is bad enough when it comes, without our having the misery of knowing about it beforehand." — Jerome K. Jerome
RobN
  • RobN
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21 August 2021 18:26:09

So much for a washout day. Forecast was for rain almost all day. I’m fa try we had a few spots this morning, not even enough to wet the ground, and then a warm day with some sunny spells this afternoon.

Originally Posted by: Rob K 


For here relative to the forecast the rain was very late starting but then it was very heavy for an hour or so.


GEFS says relatively dry next week though temps uninspiring - which suits me.


Rob
In the flatlands of South Cambridgeshire 15m ASL.
cultman1
21 August 2021 18:27:13
Same here in Fulham a better day all round despite the Met Office predictions of constant heavy rain for much of the day
moomin75
21 August 2021 22:18:09

So much for a washout day. Forecast was for rain almost all day. I’m fa try we had a few spots this morning, not even enough to wet the ground, and then a warm day with some sunny spells this afternoon.

Originally Posted by: Rob K 

It was a complete washout here (again) and is still pouring now. This August has been pretty dreadful, wrapping up the worst summer I've experienced since 2012.


Witney, Oxfordshire
100m ASL
Downpour
21 August 2021 22:38:25

So much for a washout day. Forecast was for rain almost all day. I’m fa try we had a few spots this morning, not even enough to wet the ground, and then a warm day with some sunny spells this afternoon.

Originally Posted by: Rob K 


Indeed. Was a decent day for many. Proves the old adage that some TWO members favour hyperbole and hysteria over sensible forecasting. 


Chingford
London E4
147ft
Downpour
21 August 2021 22:40:37


It was a complete washout here (again) and is still pouring now. This August has been pretty dreadful, wrapping up the worst summer I've experienced since 2012.


Originally Posted by: moomin75 


Witney is wetter than the Amazon rainforest - and not nearly as warm. It must have the worst climate on Earth. 


Chingford
London E4
147ft
moomin75
21 August 2021 23:16:03


 


Witney is wetter than the Amazon rainforest - and not nearly as warm. It must have the worst climate on Earth. 


Originally Posted by: Downpour 

🤣🤣🤣 It certainly feels that way. It has been an absolutelegend horrendous summer here. 7 cricket matches (out of 16 so far) washed out this year. That is the worst ever in my 30 years playing cricket. Virtually half the season washed out. Incredible. Worst by miles.


Witney, Oxfordshire
100m ASL
four
  • four
  • Advanced Member
22 August 2021 06:27:10
Well we had nearly 6mm bringing the month up to 28mm, still well under half normal, desperate times.
DEW
  • DEW
  • Advanced Member
22 August 2021 07:00:12

WX summary - rather more warmth working up from the SW as the centre of the cold pool moves to E Europe. Staying mainly dry though some rain in the SE at first and the NW later.


Jet - stays away for the next 2 weeks; the jet on Thu 2nd previously forecast has now become just a glancing blow only for the N


GFS op - HP moving up from the SW to cover the UK by Wed 25th and staying around to Mon 30th when it slips away to the NE; then a nondescript but generally zone of high pressure before new HP cells come in from the SW Fri 3rd and again Tue 7th. yesterday's strong N-ly on Thu 2nd has turned into a light NW-ly.


GEFS - temps close to norm or a little above in Scotland with good agreement to Thu 2nd, after which mean stays near norm but much uncertainty with op & control again showing as outliers in opposite directions. Very dry everywhere.


ECM similar to GFS though LP over the continent a little closer at the end of this week and more of an E/NE-ly for the SE


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
Caz
  • Caz
  • Advanced Member
22 August 2021 07:13:17


🤣🤣🤣 It certainly feels that way. It has been an absolutelegend horrendous summer here. 7 cricket matches (out of 16 so far) washed out this year. That is the worst ever in my 30 years playing cricket. Virtually half the season washed out. Incredible. Worst by miles.


Originally Posted by: moomin75 

I believe you Moomin!  We we’re driving down to Southampton on 28th July, it was dry all the way but on the A34 there was a big black cloud in front of us. The heavens opened as we passed a sign for Whitney but a few miles on, it was dry again. Ten days later, we returned and sure enough it was raining around Whitney. 


Market Warsop, North Nottinghamshire.
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marco 79
22 August 2021 08:13:43
Certainly looking dry according to this mornings GEFS..High pressure being the main contender for the UK..
Home : Mid Leicestershire ...135m ASL
briggsy6
22 August 2021 09:19:19

Daily Express still going on about summer heatwave! I suppose if they keep saying it enough times law of averages say they will eventually get it right.


Location: Uxbridge
Brian Gaze
22 August 2021 10:22:12


🤣🤣🤣 It certainly feels that way. It has been an absolutelegend horrendous summer here. 7 cricket matches (out of 16 so far) washed out this year. That is the worst ever in my 30 years playing cricket. Virtually half the season washed out. Incredible. Worst by miles.


Originally Posted by: moomin75 


Rain stats for here for summer (probably not much the rest of this month):


June: 3 days more than 4mm total 57mm
July: 3 days more than 4mm total 31mm
August: 1 day more than 3mm total 23.8mm


 


 


 


Brian Gaze
Berkhamsted
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Gandalf The White
22 August 2021 10:38:35


Daily Express still going on about summer heatwave! I suppose if they keep saying it enough times law of averages say they will eventually get it right.


Originally Posted by: briggsy6 


Ah, but which summer?



Location: South Cambridgeshire
130 metres ASL
52.0N 0.1E


briggsy6
22 August 2021 16:40:38

2037. I have a good feeling in my bones about that one.


Location: Uxbridge
Hippydave
22 August 2021 18:17:50


 


Rain stats for here for summer (probably not much the rest of this month):


June: 3 days more than 4mm total 57mm
July: 3 days more than 4mm total 31mm
August: 1 day more than 3mm total 23.8mm


 


 


 


Originally Posted by: Brian Gaze 


 


Wrong thread really but think I'm at 100+ for June 85+ for July and 88+ August. June was probably the worst of the 3 with the remainder mixed but not too bad.


Outlook wise and looking good for a dry and fairly warm end to August pretty much countrywide. 


Home: Tunbridge Wells
Work: Tonbridge
Taylor1740
22 August 2021 19:35:11
Possibility that we could see some retrogression of the high as we move into September. Early September still very much up for grabs, could be cool could be warm, but looks likely to feature high pressure.
NW Leeds - 150m amsl
DEW
  • DEW
  • Advanced Member
23 August 2021 07:22:44

Summary - temps not as warm as yesterdays' summary; a bit of a see-saw as to where the cold air from the N plunges, yesterday it was E Europe, today that's shifted W a bit and looks more like 2 days ago. Still dry, signs of rain approaching by end of week 2.


GFS - HP covering all Uk by wed 25th as before, drifting N-wards Mon 30th and W-wards Wed 1st allowing winds from NW to NE to develop in a week's time. UK sits in a col around Sat 4th but HP re-asserts itself (not very convincingly IMO) from se by Tue 7th. Yesterdays' model of new strong HP cells from Atlantic has collapsed.


GEFS - temps agreed fairly close to norm in S (though it will no doubt feel warm in any sunshine), 3 or 4C above in N, to Tue 1st after which most runs cooler, even cold on op run (about 7C below norm around Sun 5th). Dry for now; some runs with small amounts of rain 1st week of Sept.


ECM - similar to GFS until Wed 1st when ride of HP hangs on from W of Scotland to N Norway preventing winds from a N-ly point. Instead a shallow LP is working its way up from the S Thu 2nd and winds are more E-ly with source in S central Europe, not Iceland


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
idj20
23 August 2021 09:16:16

A quick skeg through the models seem to be showing this Summer ending exactly how it started with persistent nor'easters here at Kent. Often dry and bright but suppressed temperatures.


Folkestone Harbour. 

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