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How are MSLP charts produced, and are the front formations real?

Are they still hand-drawn?

What criteria are used to draw two fronts almost on top of each other? It has no physical meaning, surely?

@Bookworm and @Mooney_Driver might know, as I believe they work or used to work in this area.

Administrator
Shoreham EGKA, United Kingdom

Not sure how the UK Met Office do those charts, looks like a model forecast. I would think though that all those charts are at least manually updated. Would mean a lot of precipitation…

From when is this chart?

When I see something like this, i always will crosscheck it with others such as DWD or KNMI

In theory you can have such frontal arrays, but most manual analysts would probably combine them. It’s been a while since I’ve done the analysis myself, but it doesn’t look impossible here, as you got some rather pronounced air mass boundaries involved here.

LSZH(work) LSZF (GA base), Switzerland
Administrator
Shoreham EGKA, United Kingdom
3 Posts
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