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Model Output Discussion - May and Early Summer!


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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.

Tuesday's my day for working on the farm. So far, it's been 3 warm, sunny stonkers to 1 cooler day with showers; but, if the FV3 is right , next week could see some very convective cloudscapes?:oldgood:

image.thumb.png.6ab29fdca397ecbb6f402c892e925714.pngimage.thumb.png.59ae59d423af11db30e04af185ac7fdd.png 

More importantly, the farmland in these parts is crying out for rain!

Edited by Ed Stone
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Posted
  • Location: Camborne
  • Location: Camborne

As the intense upper low fills next week it leaves a shallow low in the Svalbard region which itself fills and drifts towards Franz Joseph Island with the associated trough running south in the eastern Atlantic. Upstream with the Hudson vortex lobe and Greenland ridge still in combination a strong westerly flow exiting the north eastern seaboard continues, abating to some extend as it reaches the UK  Thus portending changeable weather with  temps varying around the average but tending towards a N/S split which is often case with this sort of pattern

8-13.thumb.png.c53c0060f93844c4c900136b76f1c862.pngindex.thumb.png.55cde42901bf42ff22c5b4e8094f05f0.png

Edited by knocker
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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

The mid / longer term GEFS 6z is overflowing with summery goodness!!!!!!!!!!!!

GFSAVGEU06_198_1.png

GFSAVGEU06_294_1.png

GFSAVGEU06_318_1.png

GFSAVGEU06_342_1.png

GFSAVGEU06_366_1.png

GFSAVGEU06_384_1.png

GFSAVGEU06_384_2.png

GFSP08EU06_240_1.png

GFSP13EU06_240_1.png

GFSP19EU06_240_1.png

GFSP01EU06_366_1.png

GFSP02EU06_366_1.png

GFSP12EU06_366_1.png

GFSP13EU06_366_1.png

GFSP15EU06_366_1.png

GFSP16EU06_366_2.png

Edited by Frosty.
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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.

The number of warm runs, within the ensemble (06Z) is definitely on the rise now:

image.thumb.png.e195696923f0e14924e6d65d6e95bc60.png 

SLP looking like plateauing at around 1020hPa: image.thumb.png.96e2e1d97b1704b6740123592adb55f4.png

And a few opportunities for rain fall, too. But, don't go out on June 9th!:shok:

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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

There are signs of recovery on the ukmo 12h from around T+120 hours as the azores ridge builds in cutting off the cool unsettled NW'ly / N'ly flow and temperatures start to recover from T+144 hours further south by southwest but there looks like being an unseasonably cool disturbed spell early to next midweek but the north, more especially the far north bears the brunt of it.

UW120-21.gif

UW144-21.gif

UW144-7.gif

Edited by Frosty.
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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

The Gem 12z also shows a much cooler more unsettled spell early next week but it's mainly northern uk which gets the worst of it and then there's a remarkable transformation from the south to high pressure and much warmer conditions, especially for southern uk.

gem-0-144.png

gem-1-144.png

gem-0-168.png

gem-1-168.png

gem-0-192.png

gem-0-216.png

gem-0-240.png

gem-1-240.png

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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.

But the FV3 (crap model!) has made another ball of snot::shok:

image.thumb.png.43faaf106101c81aab09354abe42c092.pngimage.thumb.png.44db1a4cebf17308f6ce9f14b3cad642.png 

 

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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

The FV3 12z has other ideas but for a while it does become more settled and warmer under high pressure, especially further south.

Ed beat me to it, not that it's a race or anything!!

GFSPARAEU12_219_1.png

GFSPARAEU12_252_1.png

GFSPARAEU12_252_2.png

GFSPARAEU12_276_1.png

GFSPARAEU12_276_2.png

GFSPARAEU12_384_1.png

Edited by Frosty.
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Posted
  • Location: Camborne
  • Location: Camborne

According to the gfs next weds will be wet and quite windy day as a waving front tracks east across the country And then overnight and through Thursday the surface wind veers northerly and a front tracks down the country as a low tracks down the North Sea associated with the upper trough moving south, courtesy of the subtropical high amplifying in the west  Remaining cold on Friday as everything shifts a tad east

gfs-natl_wide-vort500_z500-9131200.thumb.png.d90734030fca4d093d4e7830543bf18e.pnggfs-natl_wide-vort500_z500-9217600.thumb.png.f714f4e4caefdb3f4c3563a3b23b9759.pnggfs-natl_wide-vort500_z500-9304000.thumb.png.0c549c9ea465c2ebf49527cb521170e3.png

2.thumb.png.0f4d959a66070c64a8d092c38dc332ce.pngindex.thumb.png.d9697e9e980df85cc7a6916f7e1e692f.png

 

 

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Posted
  • Location: Wantage, Oxon
  • Weather Preferences: Hot, cold!
  • Location: Wantage, Oxon

FV3 very promising at T168 - T240:

image.thumb.jpg.108193f5680fa4782e3c0d47d7e2b08b.jpgimage.thumb.jpg.4a7801e29ce8b6e22d8ca37adfd6559e.jpg

image.thumb.jpg.be65a93ccb0f16ed28c3b2c927ec37d7.jpgimage.thumb.jpg.ea4d01528924c6560f863abea336c583.jpg

In view of posts above should emphasise that output after T240 (and probably a little before) is just  random noise!

A clear move rather towards a warm settled spell on the 12s as others have also posted.  Summer is a week away!

Edited by Mike Poole
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Posted
  • Location: Sedgley 175metres above sea level
  • Weather Preferences: Any kind of extremes. But the more snow the better.
  • Location: Sedgley 175metres above sea level

CFS 6z maintaining the summery set up into June.. Good signs without a doubt!! 

cfs-0-240.png

cfs-0-264.png

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cfs-0-354.png

cfs-2-306.png

cfs-2-342.png

cfs-2-354.png

tenor.gif

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Posted
  • Location: Wildwood, Stafford 104m asl
  • Weather Preferences: obviously snow!
  • Location: Wildwood, Stafford 104m asl
5 minutes ago, Ed Stone said:

But the FV3 (crap model!) has made another ball of snot::shok:

image.thumb.png.43faaf106101c81aab09354abe42c092.pngimage.thumb.png.44db1a4cebf17308f6ce9f14b3cad642.png 

 

At least it's a SW'ly, will feel okay, not the usual horrible NE'lys normal for May/June

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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
1 minute ago, I remember Atlantic 252 said:

At least it's a SW'ly, will feel okay, not the usual horrible NE'lys normal for May/June

Indeed, nothing to fret about..very good signs from the 12z models beyond the cooler unsettled interlude during the first half of next week. 

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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

The GEFS 12z mean morphs into a fantastic run following the cooler unsettled phase early to mid next week..increasingly summery from around day 8 onwards with high pressure / strong ridging.

GFSAVGEU12_192_1.png

GFSAVGEU12_216_1.png

GFSAVGEU12_264_1.png

GFSAVGEU12_312_1.png

GFSAVGEU12_360_1.png

GFSAVGEU12_384_1.png

GFSAVGEU12_384_2.png

Edited by Frosty.
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Posted
  • Location: Wantage, Oxon
  • Weather Preferences: Hot, cold!
  • Location: Wantage, Oxon

The GEFS mean has high pressure over the UK at T192, and afterwards, the signal gets diluted, yes, as uncertainty increases, but looks to me broadly supportive of continued influence to the UK from the Azores ridge.  

anim_bfa9.gif

Edit, Karl beat me to it, but his take is similar to mine!

Edited by Mike Poole
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Posted
  • Location: manchester
  • Weather Preferences: Summer
  • Location: manchester

GFS 12z still looking like a dogs dinner heading into final days of May and into starting days of Summer, LP to the East and HP to the West with the UK once more sat in the path of nasty northerlies. Following that the Azores takes a punch and squeezes a ridge of summer through for at least 5 days, temps locally around the mid 20s for most but that's just me clutching straws. We'll see.

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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.

The man from Del Ensembles, he say YES!:yahoo::shok:

image.thumb.png.05b4132438d7c1a6d50f8aca78623c60.pngimage.thumb.png.e653f56dca0b78b98a7b2e2b52766bd4.pngimage.thumb.png.1c92ef86c967c5a5a2c9efb577ef2e0f.png 

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Posted
  • Location: Wantage, Oxon
  • Weather Preferences: Hot, cold!
  • Location: Wantage, Oxon

ECM T168, a clear sign of summer on its eve:

image.thumb.jpg.e56d01efdc8496ed529fb1d3f28284fc.jpg

image.thumb.jpg.8745fdada6e3b19e9b7f954188188d42.jpg

Give the rest of the 12z output, this is clearly now a likely outcome for the end of the month.

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