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Sun Dec 12 1999  Sprinkling of fresh snow over 500m    
Mon Dec 13 Fresh snow over 400m    
Tue Dec 14 Snow lying over 100m 300m  
Thu Dec 16 Snow lying over 400m. Reasonable accumulations over 800m. More snow on eastern ranges Carneddau. 900m Devils appendix half formed.
Fri Dec 17 Patches of snow remain over 700m above tops Thaw
Mon Dec 20 Remaining snow patches over 700m have consolidated to neve with Fridays thaw and the weekends refreeze. 100m  
Fri

Dec 24

 Few sparse snow patches remain over 700m after the heavy rain of the last few days above the tops  
Sat Dec 25 Sprinkling of fresh snow covering odd patches of old snow over 700m 3deg @

Tal y Waen(300m)

  
Thu Dec 30 Moderate accumulations of snow over 700m, except on w facing slopes. above tops a day of continuous rain at all levels
Sat Jan 8 2000 Few remaining patches of old snow on NE facing slopes over 800m 900m  
Thu Jan 13 Fresh snow lying over 300m(arrived last night Wed) 1cm at Tal y Waen (300m) 300m  
Wed Jan 19 Patches of week old snow over 600m, more on SW facing slopes. above tops  
Sat Jan 22 Patches over 700m becoming firm in lowering temperatures and strong winds 900m Black Ladders bare of snow & ice
Sun Jan 23 Patches of neve over 700m ground frozen over 900m.Most snow in Carneddau on slopes sheltered from N wind. 800m  
Mon Jan 24 Patches of neve over 700m(Carneddau)850m(Snowdon) 1000m Central trinity in v.lean condition
Fri Jan 29 Patches of thawing neve over 700m(Carneddau)850m(Snowdon) above tops a day of continuous rain at all levels
Fri Feb 4 Few isolated patches of neve over 900m on the Carneddau above tops  
Wed Feb 9 Few isolated patches of neve over 900m in the Carneddau, sprinkling of fresh graupel over 900m 900m  
Sat Feb 12 Few isolated patches of hard neve over 900m in the Carneddau, sprinkling of fresh graupel over 600m 800m saturated ground frozen over 900m
Sun Feb 13 Small quantities of Fresh snow over 600m, Few isolated patches of hard neve over 900m in the Carneddau, 800m  
Mon Feb 14 This mornings rain has removed all but a few patches over 800m above tops  
Wed Feb 16 Fresh snow over 600m 300m  
Fri Feb 18 Intermittent patches over 800m above tops a day of thawing rain at all levels
Sun Feb 19 Intermittent patches, of snow over 800m, frozen by last nights frost. 600m hard packed snow at the top of the Watkin and PyG track.
Sat 26 Feb Fresh snow (fell Thurs 24th) over 800m. Isolated patches of underlying neve on the Carneddau and inside Snowdon Horseshoe. 900m rising to above tops  
Sun 27 Feb Day of heavy rain and gales above tops  
Mon 28 Feb New snow over 700m 900m  
Wed 1 Mar Snow line 800m 4deg at Tal y Waen(333m)  
Fri 3 Mar Patches remain over 700m after yesterdays heavy rain 900m  
Tue 14 Mar Few isolated patches of old snow remain over 900m above tops very mild
Sat 25 Mar First new snow for a month fell last night. Sprinkling of fresh snow now lying over 700m 5 deg at Tal y Waen(333m) There will be no snow report for the next week
Mon 3 Apr Fresh snow arrived today, now lying over 200m. 250m Blizzard all day, NE gales
Thu 7 Apr Patches still remain over 300m after mondays snowfall. Significant accumulations on the tops especially on slopes sheltered from mondays NE gale. 4 deg at Tal y Waen(333m Blue skies and overnight frosts
Mon 10 Apr Patches over 300m most on Carneddau above tops Blue skies
Wed 12 Apr Fresh snow over 400m after yesterdays snow showers 3 deg at Tal y Waen(333m)  
Sat 15 Apr Snow line 600m. Significant accumulations on the tops. 800m Snowpack softening during the day
Mon 17 Apr Snow Line 700m. Considerable accumulations on the tops. 1000m Usual hard packed snow at top of PYG track. Paths buried , misty day, so interesting decent routes being chosen by some people!
Tue 18 Apr Snow Line 700m. Considerable accumulations on the tops above tops Fine day. Most snow of whole winter.

Notes: This report is intended as an indicator of the likely snow & ice conditions to be encountered in northern Snowdonia . We do not have the resources to produce this report on a daily basis, but will endeavour to update it as frequently as possible. All information is based on observation, either by our instructor on the hill, or by observation from Tal y Waen. Winter conditions can vary rapidly, so an up to date weather forecast should always be consulted. One which gives freezing level, wind speed and direction at 1000m will give a good indicator of likely snow conditions, such as provided by the met office which you unfortunately have to pay for. See weather links

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Copyright © 1999 [High Trek Snowdonia]. All rights reserved.
Revised: February 12, 2009
High Trek Snowdonia
Tal y Waen
Deiniolen
Gwynedd
Wales
LL55 3NA
Tel:01286 871232
Email mail@hightrek.co.uk
www.climbing-wales.co.uk  www.snowdonia-cottage.co.uk  www.wales-guide.com