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Model Output Discussion - The Start Of Summer


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My own summarisation of prospects for this season to date has been concluded, but before that happens, I cannot leave the quoted post remain unanswered as it requires 'outing' for its wholly unaccepta

Climate change is a term thats now very familiar with everyone on the weather forums -  Most of us are seeing significant impacts on winter patterns ( across the globe ) however this summer may see im

Potential windchill for next Wednesday 

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  • Location: Hoyland,barnsley,south yorkshire(100m asl)
  • Weather Preferences: severe storms,snow wind and ice
  • Location: Hoyland,barnsley,south yorkshire(100m asl)
    5 minutes ago, Jon Snow said:

    By day 10 most of us would be frazzled and would probably welcome the less hot air..what a run.. If carlsberg did Ecm runs...??

    Blitz-berg would be more of an appropriate word if we get the storms too?

    yes what a run and its nice to see the ukmo on board as well.

     

    Edited by Allseasons-si
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    Posted
  • Location: Sheffield
  • Weather Preferences: thunderstorms, heatwaves, extreme weather
  • Location: Sheffield
    4 minutes ago, Djdazzle said:

    One of the wettest Junes on record could end up with the highest June temp on record. You couldn’t make it up!

    Given the storm potential in these charts it's within the realms of possibility that other, wetter records could be challenged ?️

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    Posted
  • Location: Drayton, Portsmouth
  • Location: Drayton, Portsmouth

    ECM maxes for Tuesday to Thursday are 30-32C all on the south coast. Friday not updated yet. Last year you could normally add 3-4C to these temps for the actual max, 

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    Posted
  • Location: 150m asl Hadfield, Glossop Peak District
  • Weather Preferences: All
  • Location: 150m asl Hadfield, Glossop Peak District
    2 minutes ago, Djdazzle said:

    One of the wettest Junes on record could end up with the highest June temp on record. You couldn’t make it up!

    The wettest June on record could go to an extreme, way beyond the previous if the storm potential is realised. 

     

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    Posted
  • Location: Birmingham (Solihull), West Midlands
  • Weather Preferences: Sunshine, thunder, hail & heavy snow
  • Location: Birmingham (Solihull), West Midlands

    Tis fair to say on the latest charts, it could be much, much, much, much (times a million) less cooler next week. Especially for the South! 

    Edited by DiagonalRedLine
    Mistakes
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    Posted
  • Location: New Forest (Western)
  • Weather Preferences: Fascinated by extreme weather. Despise drizzle.
  • Location: New Forest (Western)

    ECM raw Max temps not as high as I feared actually for Thu; peak is 32-33*C within a band running from just south of Bristol to Southampton.

    No precipitation shown so it looks like the high humidity is limiting the boundary layer modification, as Knocker outlined this morning.

    Having said that, an insufficient amount of boundary layer modification is the main reason I know of for the underestimation of maximums we tend to see.

    So, the above chart may actually imply 35*C somewhere in the region I mentioned. With the high humidity, that's dangerous to health (high heat stress).

    Friday has 32-23*C across a wider area, from a little south of Birmingham to just south of Bristol and then right the way across to the far southeast. Thunderstorms then break out overnight into Sat across the N half of the UK.


    Seems to me that the models are bringing in such hot air aloft that rising motion isn't able to get going enough to turn the extremely high CAPE into actual thunderstorms. Astonishing!

    Edited by Singularity
    Fri etc
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    Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.
    2 minutes ago, Onding said:

    Given the storm potential in these charts it's within the realms of possibility that other, wetter records could be challenged ?️

    Right, own up? Who laughed at LG's June prediction of 20C and 200mm?:oldgrin:

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    Posted
  • Location: Hoyland,barnsley,south yorkshire(100m asl)
  • Weather Preferences: severe storms,snow wind and ice
  • Location: Hoyland,barnsley,south yorkshire(100m asl)

    28th June this Friday could mark the anniversary of 2012??

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    Posted
  • Location: Drayton, Portsmouth
  • Location: Drayton, Portsmouth

    Friday's max is out - raw temps around 34C to the west of London - allowing the usual adjustments, that would probably see a 37C for somewhere like Heathrow 

    Edited by Man With Beard
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  • Location: County end Oldham 202 m Above sea level
  • Location: County end Oldham 202 m Above sea level
    2 minutes ago, Man With Beard said:

    Friday's max is out - raw temps around 34C to the west of London - allowing the usual adjustments, that would probably see a 37C for somewhere like Heathrow 

    That is extremely hot, wow!

    Im actually happy precipitation is limited  anyone who enjoys proper summer weather get to your line manager monday morning and get some holidays booked !!

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    Posted
  • Location: leicester
  • Location: leicester
    7 minutes ago, Man With Beard said:

    Friday's max is out - raw temps around 34C to the west of London - allowing the usual adjustments, that would probably see a 37C for somewhere like Heathrow 

    What are the temps looking like more widely across england?

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    Posted
  • Location: manchester
  • Weather Preferences: Summer & Winter
  • Location: manchester

    It gets better:  The ECM has uppers of 20C somewhere on the UK from Tuesday right through to Saturday ?

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    Posted
  • Location: Wantage, Oxon
  • Weather Preferences: Hot, cold!
  • Location: Wantage, Oxon
    7 minutes ago, Man With Beard said:

    Saturday raw max is higher - 35 to the NE London - 100F mark would be under threat 

    If, and it is a big if, but less big than it was, this pattern were to make it through to the weekend without a breakdown, then I agree 100F could be threatened.  I wonder if the key take from the 12z output is not the onset of the plume, but increased uncertainty as to when it might end? 

    Edited by Mike Poole
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    Posted
  • Location: County end Oldham 202 m Above sea level
  • Location: County end Oldham 202 m Above sea level
    1 minute ago, Mike Poole said:

    If, and it is a big if, but less big than it was, this pattern were to make it through to the weekend without a breakdown, then I agree 100F could be threatened.  I wonder of the key take from the 12z output is not the onset of the plume, but increased uncertainty as to when it might end? 

    EC has certainly delayed the breakdown this evening, and is perhaps hinting at the Az High attempting to flex its muscles...

    Tues-sat looks lovely , personally speaking, 25deg is fine for me, might get approaching unbearable in the centre of London if it hits 34 degrees..

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    Posted
  • Location: Hoyland,barnsley,south yorkshire(100m asl)
  • Weather Preferences: severe storms,snow wind and ice
  • Location: Hoyland,barnsley,south yorkshire(100m asl)

    The ecm mean only managed +19 uppers in the extreme southeast this morning,i feel the 12z will up the anti...soon.

    EDU0-144.thumb.gif.1ddba5029088f2f9f4e37131c67f6b24.gif

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    Posted
  • Location: Castle Black, the Wall, the North
  • Weather Preferences: Spanish Plumes, Blizzards, Severe Frosts :-)
  • Location: Castle Black, the Wall, the North

    Sofa ...so good!!..well it worked for the operational!!!!?

    EDM1-48.gif

    hidingbehindcouch.png

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    Posted
  • Location: Hoyland,barnsley,south yorkshire(100m asl)
  • Weather Preferences: severe storms,snow wind and ice
  • Location: Hoyland,barnsley,south yorkshire(100m asl)

    The mean gets a fleeting +20 on the south coast,more runs needed?

    EDU0-168.thumb.gif.b8a3d35fd68f4cbd3f97caa58b5fb490.gif

    what i do like though is the 6-10 dayer from cpc,we could be looking at an extended warm/hot spell.

    610day_03.thumb.gif.8db751f7c3c2b379667407f5454ed972.gif

     

    Edited by Allseasons-si
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    Posted
  • Location: Royston , Herts
  • Weather Preferences: SNOW
  • Location: Royston , Herts
    11 minutes ago, Allseasons-si said:

    The ecm mean only managed +19 uppers in the extreme southeast this morning,i feel the 12z will up the anti...soon.

    EDU0-144.thumb.gif.1ddba5029088f2f9f4e37131c67f6b24.gif

    The mean reaches 20 850s at day 7 . That’s the peak on the mean . That is hot    enough 

    E7C7B18A-96FB-494B-8919-A287996D07A7.png

    Edited by ICE COLD
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    Posted
  • Location: Wantage, Oxon
  • Weather Preferences: Hot, cold!
  • Location: Wantage, Oxon

     Well the +20 contour on the T850s is into the south even on the mean chart at T168:

    image.thumb.jpg.3c6d93087e27fbfceeb10386ff2afcb5.jpg

    This event needs to be taken seriously now...

    Edited by Mike Poole
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    Message added by Paul

    This thread = Models, models and more models
    Please remember that this thread is for discussing the model output only. If you want to chat about the summer weather more generally, please use the Summer chat and moans thread.

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