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Everything posted by The Enforcer
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Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
Only 84 runs to go until verification. What could possibly go wrong? -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
It is typical of GFS to be the model most inclined to promote a blocked pattern for several days and yet once there is general agreement amongst the models it veers off towards the mildest possible outcome. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
I have made a note to revisit this on 7th December to see what it really looks like. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
Right, close the forum. Everyone off to Dennis' house for the winter. Job done. It's not much use when the Jet goes rocketing over the top. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
A question: What causes the kink in the isobars often seen here? Why don't they go straight across the North Sea? -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
They are just forecasts, after all. Less of an issue in November with the entire winter season ahead. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
If it's any help, here is a quote from Rob McElwee [T+12 8pm 17/12/2010]: "The area of snow has changed. Well it has. It will move about. This is a forecast." -
The aspect I can't get my head around in the MOD thread is the constant desire to try to identify some sort of arbitrary cut-off point along the lines of "it will definitely be sorted by then" when there are usually dozens of runs left and so invariably the cut-off point doesn't materialise as expected and nor should it until T+0 (e.g recent warning/no warnings debacle).
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Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
Of course. Oh you'd be surprised. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
Never trust low-resolution precipitation charts. Setting aside the issue of range and taking that chart on face value, there's nonsense shown such as snow off the south-coast of England, yet rain over parts of the Scottish Highlands and the Brecon Beacons. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
The best case scenario could be described as 'patchy'. Fortunately, it's at T+240, so there's 40 runs to go. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
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Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
But don't trust one of these to be correctly modelled at 6 hours, let alone 6 days, if this week is anything to go by: Monday - forecast: system skimming the southcoast - a few light showers; actual: torrential rain and flooding all morning. Thursday - forecast: yellow warning for heavy rain and strong winds all day; actual: no rain and light winds. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
3 weeks later into the season might have helped there. If only this was in the middle of the pack, but it's right at the extremity. -
Model Output Discussion - mid Autumn
The Enforcer replied to Kirkcaldy Weather's topic in Forecast Model Discussion
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Winter 2023/24 - Discussions & Forecasts
The Enforcer replied to Blessed Weather's topic in Spring Weather Discussion
Maybe there is a small % from livestock farting? -
All looks very patchy as if the rain band has got stretched. Last chart I saw for midnight had the front over the south-west. In reality, it has reached East Anglia. That's now three systems on the bounce this week that the forescasts have got totally wrong in terms of timing/spread/intensity at very short range.
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Winter 2023/24 - Discussions & Forecasts
The Enforcer replied to Blessed Weather's topic in Spring Weather Discussion
And here lies the crux of the problem. One can wait all winter (and early spring) for the charts to deliver on their many promises to bring some polar air. And when that opportunity finally arrives it's rain. -
Winter 2023/24 - Discussions & Forecasts
The Enforcer replied to Blessed Weather's topic in Spring Weather Discussion
Don't forecast in the other direction, increasingly unreliable the closer it gets. -
Winter 2023/24 - Discussions & Forecasts
The Enforcer replied to Blessed Weather's topic in Spring Weather Discussion
Unanimous agreement at that range must be almost unprecedented. Do you know how long this has been the case? Has it been like that for months or has this emerged on the latest runs?