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 29th January 2015 Snow event 
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 Post subject: 29th January 2015 Snow event
PostPosted: Thu Jan 29, 2015 10:22 am 
Weather Nut
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Joined: Sat Apr 02, 2011 10:22 pm
Posts: 1935
Location: Isel valley, Northern Lakes
Altitude: 140m
Weather Station: Manual
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please add any stats of snow depth / minimum temperatures from around the county


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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Thu Jan 29, 2015 10:48 am 
Senior Climatologist

Joined: Mon Jan 04, 2010 4:18 pm
Posts: 869
Location: Scotby
Altitude: 31
Weather Station: Davis VV
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Scotby at 09:45.
3cm level snow, more in drifts.
All surfaces still plastered with snow (even clothes line) but min temp only 0C.
Anne


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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Thu Jan 29, 2015 1:03 pm 
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Joined: Sat Apr 02, 2011 10:22 pm
Posts: 1935
Location: Isel valley, Northern Lakes
Altitude: 140m
Weather Station: Manual
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here

snow depth of 6cm

minimum temperature of -0.5c @ 11.25hrs


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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Thu Jan 29, 2015 5:27 pm 
Professor
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Joined: Mon Nov 02, 2009 8:52 pm
Posts: 7465
Location: Brampton
Altitude: 117m
Weather Station: Davis VP2
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16cm at 0900hrs - drifts in garden at over 45cm

Soil thermometers lost until this afternoon

Will try and do a proper report later- need to find some charts and things if anyone can save them !

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Paul C
Brampton. 117m ASL.
http://www.bramptonweather.co.uk
Imagehttps://twitter.com/#!/pacrabtree


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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Thu Jan 29, 2015 7:05 pm 
Chief Area Forecaster
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Joined: Mon Nov 02, 2009 9:25 pm
Posts: 5327
Location: Drumburgh
Altitude: 7m
Weather Station: Davis VP2
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A good 4cm of level snow deepest since December 2010.

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Drumburgh 7m AMSL (Solway Estuary)
http://www.coggabata.co.uk/weather.html


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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Thu Jan 29, 2015 8:53 pm 
Professor
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Joined: Mon Nov 02, 2009 8:52 pm
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Location: Brampton
Altitude: 117m
Weather Station: Davis VP2
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Ok - Brampton Analysis

It all started just after 9am on the 28th January as the mild weather was swept away by a cold front. My first hail shower rattled through between 0900 and 10pm followed by a fall in temp down to 2/3c - from mid morning there was the occassional but heavy snow shower, briefly settling, It wasnt until around 4pm when the snow really started and began settling. Within 15 minutes temperature had fallen to just above freezing and everything became white. Snow showers continued throughout the evening and by 8pm approx 6cm. There was a brief lull but as I turned in for the night it had started again, plastering the walls and windows of the house, I could see the snow blowing around and drifting up the road. I coulndt see out of our west facing windows. I dont recall this happening before.

By the morning 7am, ( 29th January ) there was a deep cover, further heavy snow shower around 8am leaving 16cm measured depth in the garden, with drifts in excess of ruler height. There was another fall of snow approx 1cm after 9am.

0900-0900hrs snowfall 16cm equals record of 2nd February 2009 for a single fall of snow, to be honest this looks deeper.
0900-0900hrs rainfall 18.5mm also the wettest day of the month
Max temp ( to be added )
Max Gust for the event 42mph 261 West.
Min Pressure 973.86.

Overall a really good snowfall, well forecasted but caught a few folk out. Appears to have been a Southern Scotland/Northern Cumbria plus Pennine event. I haven't heard of to many reports from central lakes etc. In fact my parents in Arnside report no snow at all this morning. ( weather warning link download/file.php?id=903&mode=view)

Timelapse of the 28th January http://youtu.be/RvCYLoOpDA4
Timelapse of the 29th January http://youtu.be/ejUi8URLrQY
Timelapse of the 30th January http://youtu.be/0Cd11h-4zqU

I have been searching for some suitable charts. I thought the best may have been the 850 hpa chart for the evening of the 28th Jan, but as yet I cant an archive version. This would show the forecasted temps and wind flow in order to judge for future events

here are a few charts I have found that may be relevant


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chart2.JPG
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chart3.JPG
chart3.JPG [ 225.58 KiB | Viewed 1134 times ]

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Paul C
Brampton. 117m ASL.
http://www.bramptonweather.co.uk
Imagehttps://twitter.com/#!/pacrabtree
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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Sat Jan 31, 2015 4:23 pm 
Professor
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Joined: Mon Nov 02, 2009 8:52 pm
Posts: 7465
Location: Brampton
Altitude: 117m
Weather Station: Davis VP2
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Only a few official snow depths are found for the morning of the 29th January

Brampton 16cm
Spadeadam 13cm
Bewcastle 11.5cm
Isel 6cm
Warcop 5cm
Drumburgh 4cm
Scotby 3cm

needs more research

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Paul C
Brampton. 117m ASL.
http://www.bramptonweather.co.uk
Imagehttps://twitter.com/#!/pacrabtree


Last edited by Paul C on Thu Feb 12, 2015 5:53 pm, edited 5 times in total.

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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Sat Jan 31, 2015 4:42 pm 
Professor
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Joined: Mon Nov 02, 2009 8:52 pm
Posts: 7465
Location: Brampton
Altitude: 117m
Weather Station: Davis VP2
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Additional Charts

Now this is where we need an expert in these matters - I have tried to some charts to say what may have happened. Just wondering if that lobe of colder stuff has caused our snow - any thoughts


Attachments:
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850s2.JPG
850s2.JPG [ 218.8 KiB | Viewed 1113 times ]
850s1.JPG
850s1.JPG [ 219.55 KiB | Viewed 1113 times ]

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Paul C
Brampton. 117m ASL.
http://www.bramptonweather.co.uk
Imagehttps://twitter.com/#!/pacrabtree
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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Sat Jan 31, 2015 6:06 pm 
Chief Area Forecaster
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Joined: Mon Nov 02, 2009 9:25 pm
Posts: 5327
Location: Drumburgh
Altitude: 7m
Weather Station: Davis VP2
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I think we were just lucky that the showers came our way.

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Drumburgh 7m AMSL (Solway Estuary)
http://www.coggabata.co.uk/weather.html


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 Post subject: Re: 29th January 2015 Snow event
PostPosted: Mon Feb 09, 2015 12:13 am 
Junior Climatologist

Joined: Tue Nov 03, 2009 6:43 pm
Posts: 431
Location: Plumpton, Penrith
Altitude: 135
Weather Station: TFI Nexus Pro
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The pressure chart for this event was very similar to the snowfall events of February 2002 and 2003 which all gave the heaviest snow in north rather than south Cumbria.

Need to look out for this again in the future!

Andy


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