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Joe Bloggs
06 June 2020 16:50:28
And before anyone says anything, I know GFS is wetter. ๐Ÿ˜Š



Manchester City Centre, 31m ASL

Joe Bloggs
06 June 2020 16:50:58


 


Doesn't look too bad and Moomin did say yesterday that we should go with UKMO model.


Originally Posted by: doctormog 


Absolutely right, we need to trust our own. ๐Ÿ˜€



Manchester City Centre, 31m ASL

doctormog
06 June 2020 16:51:33


 


Absolutely right, we need to trust our own. ๐Ÿ˜€


Originally Posted by: Joe Bloggs 



idj20
06 June 2020 16:55:07

The GFS has finally fallen in line with UKMO and ECM with the mid-week south-tracking low so there does seem to be more of an agreement of a more unsettled second half of the week. A bit of a disappointment for those hoping for a quick return to something resembling Summer.


Folkestone Harbour.ย 
moomin75
06 June 2020 16:55:42


 


Doesn't look too bad and Moomin did say yesterday that we should go with UKMO model.


Originally Posted by: doctormog 

Absolutely yes. I can't believe it will be as bad as GFS is now projecting. The models are literally all over the place at the moment. I concede defeat, I like everyone else, have no idea what the weather will be tomorrow, let alone next week, but safe to say "changeable".


Witney, Oxfordshire
100m ASL
doctormog
06 June 2020 17:05:23


Absolutely yes. I can't believe it will be as bad as GFS is now projecting. The models are literally all over the place at the moment. I concede defeat, I like everyone else, have no idea what the weather will be tomorrow, let alone next week, but safe to say "changeable".


Originally Posted by: moomin75 


I‘m only teasing Moomin and yes it does look a bit more unsettled than many of the charts were suggesting yesterday. To me that suggests a large degree of uncertainty. It may be okay or it may be a bit rubbish but I’m not sure which just yet.


Ally Pally Snowman
06 June 2020 17:38:26

Both GEM and the mighty NAVGEM go very hot at the end of their runs. Both have a low west of Ireland pumping up some serious heat. The next chase?


 


Bishop's Stortford 85m ASL.
Downpour
06 June 2020 17:46:37

UKM seems a more moderate sensible solution, drying up by the weekend


Chingford
London E4
147ft
SJV
06 June 2020 18:23:52


Both GEM and the mighty NAVGEM go very hot at the end of their runs. Both have a low west of Ireland pumping up some serious heat. The next chase?


 


Originally Posted by: Ally Pally Snowman 


It's a very realistic possibility, IMO 

Joe Bloggs
06 June 2020 18:35:37

No evidence of a washout so far on the 12z ECM.


Proper easterly setting in though. Generally dry and warm but plenty of cloud in the east would be my best guess.


https://www.wetterzentrale.de/maps/ECMOPEU12_144_1.png


The best weather reserved for Shetland. ;-) 



Manchester City Centre, 31m ASL

Ally Pally Snowman
06 June 2020 18:46:53


No evidence of a washout so far on the 12z ECM.


Proper easterly setting in though. Generally dry and warm but plenty of cloud in the east would be my best guess.


https://www.wetterzentrale.de/maps/ECMOPEU12_144_1.png


The best weather reserved for Shetland. ;-) 


Originally Posted by: Joe Bloggs 


 


Yes it's the best of the big guns tonight. That little low is causing model chaos such a strange little feature will be very difficult for them to model accurately.


 


Bishop's Stortford 85m ASL.
TimS
  • TimS
  • Advanced Member
06 June 2020 19:22:57
The thing that struck me, as I watched the rain pouring down outside and heard the central heating click on, is... hang on, ITโ€™S ONLY JUNE.

This has been a ridiculously long, weird, spring. The Covid spring.
Brockley, South East London 30m asl
Downpour
06 June 2020 23:13:51
The trough is over central France by Friday on tonightโ€™s ECM. Implies a fairly warm feed over the weekend albeit somewhat unstable in the south with potential for thundery downpours if you are lucky.
Chingford
London E4
147ft
BJBlake
07 June 2020 05:32:20

2010 had a little more than this year Doc, but going back to 2000 and more especially back to 1990 and before, iit is remarkable how much more sub -10 air there was at this date, but I agree the 2010 date was not much better. Hopefully the zonal winter will have thickened the ice this year to ensure some resilience. 


Brecklands, South Norfolk 28m ASL
Ally Pally Snowman
07 June 2020 07:30:54

An improved picture this morning more settled than yesterday. Temps should get to mid to high 20s in any sunshine from Friday. But with some thundery rain/thunderstorms to keep the farmers/gardener's happy.


 


Bishop's Stortford 85m ASL.
DEW
  • DEW
  • Advanced Member
07 June 2020 08:07:44

Jetstream curling around the UK now gives way to a NW streak Wed 10th, itself creating a loop in Biscay Fri 12th while the main stream reverts to running N of the UK. By Wed 17th that has split in two , one branch each side of the UK Fri 19th, soon breaking up after which fragments of it appear all over the place.


GFS shows ridge of HP over Atlantic developing to Iceland by Thu 11th but leaving room for LP over France to affect S Britain. The LP remains while the ridge splits into two centres, Atlantic and Norwegian, by Wed 17th. Eventually the LP declines off Ireland Mon 22nd allowing HP and possibly v. warm weather to come in from the east.


GEFS in S shows temps recovering to near or above normal (not as high as yesterday) Thu 11th with significant rain for a few days; later on there is still some rain but fragmentary to Tue 23rd. Scotland similar but warming and rain a day or so earlier i.e. from Wed 10th


ECM similar but the Atlantic half of the HP is weaker, allowing the LP to be well out in the Atlantic by Wed 17th with the improvement in the weather arriving nearly a week earlier than in GFS


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

Chichester 12m asl
moomin75
07 June 2020 08:35:36


An improved picture this morning more settled than yesterday. Temps should get to mid to high 20s in any sunshine from Friday. But with some thundery rain/thunderstorms to keep the farmers/gardener's happy.


 


Originally Posted by: Ally Pally Snowman 

Matt Hugo's latest tweet on the 12z ECM has gone one step further than I have and effectively written off the whole summer as a 2012 repeat because of the northern blocking it shows.


I don't buy this at all for what it's worth. The pattern is nothing like 2012, but I don't know how reliable Matt Hugo is with LRF projections.


Witney, Oxfordshire
100m ASL
SJV
07 June 2020 08:39:44


Matt Hugo's latest tweet on the 12z ECM has gone one step further than I have and effectively written off the whole summer as a 2012 repeat because of the northern blocking it shows.


I don't buy this at all for what it's worth. The pattern is nothing like 2012, but I don't know how reliable Matt Hugo is with LRF projections.


Originally Posted by: moomin75 


Not at all thankfully (like all long range forecasts/forecasters)  Just don't call him out on it, otherwise he might leave twitter like he left these forums 


Not a bad set of models this morning, especially given where we were yesterday.

Ally Pally Snowman
07 June 2020 08:51:47


Matt Hugo's latest tweet on the 12z ECM has gone one step further than I have and effectively written off the whole summer as a 2012 repeat because of the northern blocking it shows.


I don't buy this at all for what it's worth. The pattern is nothing like 2012, but I don't know how reliable Matt Hugo is with LRF projections.


Originally Posted by: moomin75 


 


Even if we do see lots of northern blocking any wind from east will be a very warm one this year. That chart he posted shows a hot south easterly for the UK. 


Bishop's Stortford 85m ASL.
Joe Bloggs
07 June 2020 08:55:21

I’m impressed by how deep this easterly looks to be.


A proper Beast setup with high pressure anchored over Scandinavia , I’m sure we’d be salivating if it was January. 


As it happens, the upper air temperatures look to get very warm.


An easterly breeze is the general theme for the mid range this morning but we cannot rule out is cloud and some rain coming in off the North Sea , there is also plenty upstream too moving round the southern flank of the high.


We need to be aware that despite all the oranges on the chart there is still the risk of some cloud and rain coming in from the east, especially as the flow looks to be quite strong. 


https://www.wetterzentrale.de/maps/GFSOPEU00_144_4.png


 


https://www.wetterzentrale.de/maps/GFSOPEU00_144_1.png


An interesting setup and definitely need to look at the more specific parameters rather than assume “warm and sunny” just from looking at the SLP charts. 



Manchester City Centre, 31m ASL

SJV
07 June 2020 09:16:28


 


 


Even if we do see lots of northern blocking any wind from east will be a very warm one this year. That chart he posted shows a hot south easterly for the UK. 


Originally Posted by: Ally Pally Snowman 


He's also not writing off the summer - he's confirmed this on Twitter.


 

ozone_aurora
07 June 2020 09:48:26

The easterlies certainly looks impressive if verifies.

With the current chart output, I think there'll be some thundery outbreaks, especially in the S, both from direct land convection & medium level imports from Europe, the latter occurring in warm fronts. If the latter occurs, could turn very warm away from NE & E coasts.

Interesting times ahead.

AJ*
  • AJ*
  • Advanced Member
07 June 2020 10:02:26

When comparing yesterday's and today's 00z GEFS (London) I noticed the change to having many more rainfall spikes shown from midweek onwards.


 


And before anyone says anything, I know GFS is wetter. ๐Ÿ˜Š

Originally Posted by: Joe Bloggs 


That must be why it appears on wetterzentrale.de then...


OK, I'll get my coat...


Angus; one of the Kent crew on TWO.
Tonbridge, 40m (131ft) asl
Phil G
07 June 2020 11:23:08


The easterlies certainly looks impressive if verifies.

With the current chart output, I think there'll be some thundery outbreaks, especially in the S, both from direct land convection & medium level imports from Europe, the latter occurring in warm fronts. If the latter occurs, could turn very warm away from NE & E coasts.

Interesting times ahead.


Originally Posted by: ozone_aurora 


Yep, on GFS at least there could be some large rainfall totals in the next couple of weeks, probably from home grown showers/storms. Looks good growing weather as well and none too cold. 

moomin75
07 June 2020 11:35:55


 


Yep, on GFS at least there could be some large rainfall totals in the next couple of weeks, probably from home grown showers/storms. Looks good growing weather as well and none too cold. 


Originally Posted by: Phil G 

Fully expecting a lot of rain, but potentially hit and miss and looking at the Ensembles, increasingly hot and humid too. Could be in for an exciting few week of thundery activity.


Witney, Oxfordshire
100m ASL

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