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Any free source of UK MSLP charts in the proper sequence?

This site is one of several but all of them have the same problems:

  • the 0600 and 1800 charts are either missing or are presented too late
  • the 1200 chart for the current day is usually missing in the morning
  • the charts for the next day or so are usually out of date (not the latest available)
  • one often sees 2 charts for the same date/time (completely pointless)

So I think all these sites lift the charts from each other.

But is there a primary source which is free?

Currently the only one I know is Avbrief but you have to pay for that, and while it used to be a very useful site I don’t use it for anything else nowadays. They carry the SigWx charts too but they are almost useless for light non-deiced non-radar GA.

Last Edited by Peter at 25 Apr 11:28
Administrator
Shoreham EGKA, United Kingdom

You could try Topkarten which seems to have pretty much everything
In German, but pretty easy to get around.
Wetter : Wetterzentrale : Top Karten
www.wetterzentrale.de/topkarten/

It's supposed to be fun.
LFDW

Thank you, but I can’t find the UKMO MSLP charts there.

Maybe I should move on and use some of the other ones

Administrator
Shoreham EGKA, United Kingdom

I have been using this link for years without any problem:

http://weather.noaa.gov/fax/otherfax.shtml

London area

That one, Josh, seems to be exactly the source for the charts in my first link. It even includes the bogus one at the end, which presumably the sites which grab the charts need to strip off

Administrator
Shoreham EGKA, United Kingdom

Look in the top left corner, click on fax

It's supposed to be fun.
LFDW

Yes – those are the same charts as on MWIS and every other site I know about.

Am I missing something?

The “06/12/18” link shows only one chart, and currently it is showing the 0600 for today, 9 hours too late.

It seems that the 0600 1200 1800 charts for a given day are elusive. Avbrief shows them

I wonder where they come from. Notice the first two have the same name – PPVA89.

Last Edited by Peter at 28 Apr 14:21
Administrator
Shoreham EGKA, United Kingdom

Well, I think they come from Bracknell, at the UK met office. Probably a silly question, but have you looked there?

It's supposed to be fun.
LFDW

Back again. Yes, looks like that is the fountainhead but I can’t be sure as, would you believe it, they are on the subscription part of the service. This, for the most basic of all tools. Grrr.
Sembach have something similar, in colour, for free,

It's supposed to be fun.
LFDW

Sembach shut down last year.

There certainly are pressure charts, loads of them, mostly produced from the US GFS model, but all the free ones I know about don’t show fronts. AFAIK fronts are hand-drawn by a forecaster.

What I find bizzare is that the UK Met Office MSLP charts are all over the internet, free, but often an extra day old, and the current day’s or the next day’s 0600 1200 1800 are usually missing.

Last Edited by Peter at 28 Apr 15:50
Administrator
Shoreham EGKA, United Kingdom
33 Posts
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