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This is a good example of how the scenarios tool cuts through the data noise. The first chart shows 2m max temperature scenarios for days 11 to 16, with three options and a % assigned to each. On the other hand, the standard plot is much more difficult to read.
Here's a useful tip: GEFS charts are fully available in the Ensemble Dashboard (no login needed for GEFS) before any of the static line graphs or postage stamps are generated in the GEFS viewer:
https://t.co/7cApmEflit
https://t.co/DJRLhEFbFB
My sister used to live in Walthamstow. I remember taking the train down from York to see her, with the snow in the fields frozen solid all the way down! Could have been Jan 1985 or Feb 1986. Happy days.
These days, there's excitement at the prospect of a centimetre or two of slush lasting until midday. 😄
Forecasts derived from ECMWF IFS data on TWO now cover most of Europe (lat. 20° to 69.5°, lon. −10° to 41.5°), rather than just the UK.
You'll need Premium access, but once logged in, simply click the ECMWF button under the forecast panel.
https://t.co/T00yhxqCsa
Decades of experience on TWO have taught me:
1️⃣ Don't second-guess the data.
2️⃣ Don't overcomplicate the analysis.
That's what the TWO winter forecast will be based on.
So, can I offer cold weather fans anything? Only at the more esoteric end of things:
🌿 Lots of holly berries.
🐿️ The squirrels seem more active this autumn than I can ever recall.
Take from that what you will! 😉
@adam_wain@Gazby77@Petagna@peacockreports I agree when looking over a longer period, but over the last few years? At first glance it appears that another fmechanism may be at work, in addition to that
The charts are generated using data from this evening's ECMWF AIFS ensemble. You can read more about the Ensemble Dashboard here https://t.co/lZha4oZONA
Our ensemble dashboard has had a massive upgrade.
1. The grid now covers much of Europe, not just the UK.
2. New chart types: plume, lines, spread, spaghetti, scatter, cluster and scenario (set period).
3. Median and mean can now be plotted on the same chart.
4. GEFS, ECMWF IFS, AIFS and MOGREPS-G.
Free access is available, but much of the data and functionality requires Premium access.
Hopefully, this is one of the most powerful forecasting tools readily available in the UK. If you'd like to discuss commercial access, please contact us directly.
https://t.co/XREv1vuKLt
I like it on paper but less in practice. These days, it rarely means frosty and foggy weather, which I enjoy in the autumn. Also, there seems to be less mobility, which I also like. More often, it is mild or even warm, with cloud and patchy outbreaks of rain, at least here in the southeast.