[East Anglia and North London weather discussion (25/02/2018) onward]

Kings lynn very heavy snow 

chucking it down about 3 or 4 inches in last hour 

Jason 

[East Anglia and North London weather discussion (25/02/2018) onward]

1 minute ago, JennyJane1 said:

extremely light at the moment

Radar on net weather showing nothing ?

[Model output discussion - Post SSW - Will it turn cold?]

15 minutes ago, The PIT said:

Nothing is locked in yet. How many times have I heard phrases similar to that only for things to go tits up. The placement of the high is crucial and it still could end up in the wrong place for us.

Totally agree with this, the locked in posts re weather are so wrong.

Been here a hundred times and more only to see it all change in 24 hrs

jason 

[SE and East Anglia general weather discussion 01/01/2018 onwards]

Snowing now in kings lynn getting heavier also 

jason 

[SE and East Anglia general weather discussion 01/01/2018 onwards]

1 hour ago, Nick F said:

Like I mentioned in my post, the discontinuity of the land compared to the flat sea, even if the coast is just a few metres asl, can be enough to create uplift of a moist flow off the sea and, as a result, enough cloud depth to enhance snowfall, enhanced further if the coast narrows in an Estuary in direction that the flows moving towards, such as Thames or the Wash. 

Ok thank you Nick 

jason 

[SE and East Anglia general weather discussion 01/01/2018 onwards]

4 minutes ago, Nick F said:

Differences in dew point and temperature towards the coast compared to inland (usually higher on the coast) plus subtle difference to the angle of the flow off the North Sea can make a difference to regards to where the heaviest snowfall is generated in a Thames Streamer set-up. 

The streamer tends to develop because of the discontinuity and the narrowing westward of the land fringing the Thames Estuary, compared to the flat North Sea, causing uplift of flow, which is very dry when it leaves Benelux but which picks up moisture over the North Sea in lower layers, then lifting along the coast. The ideal flow for a strong streamer is ENE, which tend to favour heavier falls along and just inland of SE Essex, NW Kent, SE London. The land rises behind Bromley and Croydon towards the North Downs above the M25, so the enhanced uplift of the upslope can bring heavier falls inland towards S London / Kent or Surrey border then towards the Thames of SE London.

Sometimes right on the Thames Estuary the temp and dew point maybe a little too high for snow, but convection over the North Sea can still bring graupel and soft polystrene hail in the showers, as it takes more energy to melt this than snow, and still give a white covering.

Hi Nick in 2010 we had a wash streamer here in north norfolk, lasted nearly all day, but  totally flat land here,how does that work?

Thanks Jason

[SE and East Anglia general weather discussion 01/01/2018 onwards]

Now snowing here in kings lynn again 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Heavy snow now king's lynn 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick F said:

Most of us on here are hoping it does when it bumps into the cold air over the UK, though the strengthening NEly bringing higher DPs off the N Sea may make it too marginal in places at lower elevation - especially toward the east.

Thanks Nick

Aso any thoughts of the northern extent of precip?

Thanks Jason

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick F said:

Some pretty heavy rain lurking off Brittany headed our way for tomorrow, seems further north than model progs, ARPEGE against radar for 20:00

could that fall as snow?

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Showers pushing in to the wash area now 

could get interesting later here

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick L said:

We forecasters love to tempt fate...

9z UKV in ups the snow totals for a line from E Berks to S Suffolk tomorrow, could be 5-7cm or so on that.

also for today winds now turning east pushing showers back in on the east coast

 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Norfolk Sheep said:

Wet AND windy, standard!

snowing and settling in kings lynn though

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Daniel* said:

Is that not a bit contradictory? 

 

1 minute ago, Daniel* said:

Is that not a bit contradictory? 

No I'm saying a rather wider extent of precipitation 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Looking at radar snowfall will be a lot further north also as well as south 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick L said:

Kings Lynn is probably a touch on the northern side, but I reckon you could still get a light covering.

Yes but looking at the radar ect over ireland at present,it would need a hell of a push south not to reach us here?

as per met office update also

Thanks Jason

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick L said:

It's often quite easy to tell who are the proper meteorologists and those who have no real background in the weather. I remember our local presenter in Dec 2015 describing night time temps of 15/16c as "fairly mild"...

Hi Nick 

what's your view on the most northern extent of snow ? norfolk lincs ect/

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Anyone have an idea of the most northern point of snow ? eg lincs ect

cheers Jason

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, West is Best said:

Meteorologically I think you could make an argument for saying that East Anglia: Lincolnshire, Norfolk, Suffolk, Essex down to Kent are arguably quite distinct from Greater London/Oxfordshire/Surrey/Hampshire.

Hi yes my point exactly WIB 

 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick L said:

If there's more support from other folks in East Anglia we can certainly consider it.

Hi Nick 

well it was done before ?

but ok lets here from members in kent ect in a regional thread half way down the country ?

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Daniel* said:

Most of the year it would be dead quiet split, also most East Anglia folk get on well with us Southeasteners. 

I'm just saying in busy times as this,maybe a good idea?

we are about 150 miles from some posters in this thread 

not exactly close is it ?

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Daniel* said:

What do you expect it’s a partly SE thread? 

I know but needs to be split up, area to big at present could have norfolk/susse/cambs as a thread?

would make sense

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Just now, Nick L said:

It's an idea but I've quite enjoyed all the chat from all areas today, personally.

Well yes but seems very south east, 

[SE and East Anglia generalweather discussion 08/11/2017 onwards]

Maybe the mods could split this thread into three counties as per last year?

as south east takes in to much area

Thanks Jason

[Model Output Discussion - cold spell to end Autumn]

Just now, Nick F said:

For Sunday I would go for the general consensus of snowline north of the M4 and north of Greater London, where it settles more of gamble, but parts of Wales and Midlands and southern parts of N England esp. The Peaks look to stay all snow. I don't think there will be anymore nudges north in track more likely south if there is anymore changes. As for Monday's low, more difficult as the centre and the precipitation circulating around it may end up missing SE UK altogether!

Thank you Nick