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RayProudfoot
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 4:16 pm 
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Joined: Wed May 06, 2009 6:29 pm
Posts: 1709
Location: Cheadle Hulme, Cheshire, England
Weather Station: Davis VP2 with Daytime FARS
Operating System: Windows XP SP3
Looks like a false dawn earlier. Pressure fell to 966.85Hpa at 16:24. Cumulus uses 2 decimal places for pressure but Davis only outputs it to one. :?

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Last edited by RayProudfoot on Mon Nov 08, 2010 5:47 pm, edited 1 time in total.

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steve
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 4:23 pm 
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Joined: Mon Jun 02, 2008 6:49 pm
Posts: 17614
Location: Sanday, Orkney
Weather Station: Davis VP2
Operating System: Windows Home Server 2011
RayProudfoot wrote:
Cumulus uses 2 decimal places for pressure but Davis only outputs it to one. :?

Davis say the station measures pressure (in inHg) to a resolution of 3 decimal places, so I convert that to 2 decimal places for hPa.

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RayProudfoot
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 5:50 pm 
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Joined: Wed May 06, 2009 6:29 pm
Posts: 1709
Location: Cheadle Hulme, Cheshire, England
Weather Station: Davis VP2 with Daytime FARS
Operating System: Windows XP SP3
steve wrote:
RayProudfoot wrote:
Cumulus uses 2 decimal places for pressure but Davis only outputs it to one. :?

Davis say the station measures pressure (in inHg) to a resolution of 3 decimal places, so I convert that to 2 decimal places for hPa.


Strange that they only display it on the console to one place then. I suppose resolution is not the same as accuracy so one decimal place in Cumulus would probably suffice but I'm not complaining, only observing. ;)

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steve
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 6:00 pm 
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Joined: Mon Jun 02, 2008 6:49 pm
Posts: 17614
Location: Sanday, Orkney
Weather Station: Davis VP2
Operating System: Windows Home Server 2011
RayProudfoot wrote:
Strange that they only display it on the console to one place then.

That's all the console is capable of.
Quote:
one decimal place in Cumulus would probably suffice but I'm not complaining

That's good, because I really don't want to go through the argument again (in reverse) that I had when I resisted making this change in the first place. I've already decided that C2 will turn control of the number of decimal places (for all data, for all stations) completely over to the user, so people can do whatever they want, whether it makes sense or not :lol:

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RayProudfoot
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 7:13 pm 
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Joined: Wed May 06, 2009 6:29 pm
Posts: 1709
Location: Cheadle Hulme, Cheshire, England
Weather Station: Davis VP2 with Daytime FARS
Operating System: Windows XP SP3
steve wrote:
I've already decided that C2 will turn control of the number of decimal places (for all data, for all stations) completely over to the user, so people can do whatever they want, whether it makes sense or not :lol:


It makes sense. :D

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hungerdunger
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 9:10 pm 
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Joined: Fri Dec 26, 2008 8:03 pm
Posts: 65
Location: Carmarthen, West Wales
Weather Station: Maplin N96GY (WH-1081)
Operating System: Windows 7 Pro 64 bit
I recorded a record of 961.3 at 4.00pm today, which appears to be pretty much in line with the nearest "proper" weather station at Pembrey Sands. OK, so I only have records for two years, but this beat my previous low by a full 10Mb.

Currently it's 962.1 and rising slowly.

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sjukmidlands
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Mon Nov 08, 2010 9:29 pm 
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Joined: Mon Nov 23, 2009 1:34 am
Posts: 111
Location: Rugeley, Staffordshire
Weather Station: Techno-Line WS2300
Operating System: Windows 8 Consumer Preview 64bit
Now that pressure is slowly rising, my low was recorded as 961.6mb at 14:11 today which beat my previous low by more than 14mb.

My total daily rain record was also broken - currently at 21.2mm and still raining lightly outside.

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sjukmidlands
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Thu Nov 11, 2010 1:46 pm 
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Joined: Mon Nov 23, 2009 1:34 am
Posts: 111
Location: Rugeley, Staffordshire
Weather Station: Techno-Line WS2300
Operating System: Windows 8 Consumer Preview 64bit
... and now, if we hadn't had that record breaker the other day THIS low would have broken records too! 973.7 and still falling...

And it's a lot more windy than the other day.

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RayProudfoot
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Thu Nov 11, 2010 7:25 pm 
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Joined: Wed May 06, 2009 6:29 pm
Posts: 1709
Location: Cheadle Hulme, Cheshire, England
Weather Station: Davis VP2 with Daytime FARS
Operating System: Windows XP SP3
And my previous lowest would also have been broken. The winds have been something of a disappointment today. Highest gust was 'only' 31mph at 05:54GMT - 11mph below my record. Conditions are worse further north but so far we seem to have got off quite light here.

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Gina
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Thu Nov 11, 2010 8:29 pm 
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Joined: Sat Feb 21, 2009 12:41 pm
Posts: 1859
Location: Devon UK
Weather Station: FO WH1081PC (Maplin)
Operating System: OS X, Linux Mint, Win7 & XP
We've had gusts over 40mph here today and it's forecast to get a lot worse tonight!

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Sorry, no banner - weather station out of action. Hoping to be up and running with a new home-made one soon.
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daj
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Thu Nov 11, 2010 10:17 pm 
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Joined: Tue Jul 29, 2008 8:00 pm
Posts: 2001
Location: Thornhill, Dumfries, UK
Weather Station: WH1081
Operating System: Mac OSx & Win 7
I had an all time pressure low of 956.3 mb today at 7pm. I compared it to the UK Met office observation 15 miles away from me and I was 2mb out. Not bad accuracy I think :)

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RayProudfoot
 Post subject: Re: Major Atantic Low due to hit British Isles on Monday 8th Nov
PostPosted: Thu Nov 11, 2010 11:07 pm 
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Joined: Wed May 06, 2009 6:29 pm
Posts: 1709
Location: Cheadle Hulme, Cheshire, England
Weather Station: Davis VP2 with Daytime FARS
Operating System: Windows XP SP3
I've just had the highest gust of 2010 so far - 40mph. 2mph behind my all-time high of 42mph in October 2009.

With several more hours of gale force winds forecast it's possible that might be breached tonight. Interesting week meteorologically. What would I give for a record high November temp! :lol:

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Ray, Cheshire.

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