CREAG MEAGAIDH
AVALANCHE HAZARD 1500 HRS WED 13/1/99
Heavy snowfall on SW to NW winds have left areas of deep, 
very unstable windslab on steep slopes, and in hollows and 
gullies of all aspects above 750m.  The windslab is very weakly 
bonded to the old, hard snow beneath. The avalanche hazard is 
High (Category 4) and avalanches were observed on Sron a' 
Ghoire.

AVALANCHE HAZARD OUTLOOK THUR 14/1/99
Further heavy falls of snow, with severe storm force  Westerly 
winds tonight and tomorrow will continue to build areas of very 
unstable windslab. Slopes of all aspects above 750m, in 
particular sheltered gullies and hollows, will be affected. Fresh, 
unstable cornices will form above many steep slopes. The 
avalanche hazard will be High (Category 4) and avalanches will 
occur.


CLIMBING CONDITIONS 

SNOW DISTRIBUTION: Fresh snow cover at all levels.

ICING: Now buried!

COMMENT: Gusts of 100 mph possible Thursday (14/1/99).



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NORTHERN CAIRNGORMS
AVALANCHE HAZARD 1500 HRS WED 14/1/99 
New deposits of snow on steep slopes above 900m are only 
poorly to moderately bonded. In these areas where 
accumulations are greatest the avalanche hazard is High 
(Category 4).

AVALANCHE HAZARD OUTLOOK THU 15/1/99
Further light to moderate snow overnight and tomorrow 
accompanied by very strong, mostly W to SW winds will 
maintain the current unstable conditions. On steep N to E 
aspects above 900m and particularly where any new cornice 
development occurs above exit gullies, avalanches will occur. 
The avalanche hazard remains High (Category 4). 

CLIMBING CONDITIONS 

SNOW DISTRIBUTION: Small amount of snow down to 
valley level with deeper drifting in higher sheltered locations.
ICING: Steady build up. Cold conditions persisting.
COMMENT: Poor mountain conditions expected to continue 
for Thursday. Cairngorm ski area stormbound on Wednesday.




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GLENCOE
AVALANCHE HAZARD 1500 HRS WED 13/1/99
Heavy snowfall and strong winds have formed weakly bonded 
accumulations of windslab mainly above 800m in sheltered 
gullies and on slopes with a N, E and SE aspect. Where these 
deposits lie on steeper slopes the avalanche hazard is High 
(Category 4). In areas exposed to the recent strong winds the 
snowpack has a firm icy crust   

AVALANCHE HAZARD OUTLOOK THU 14/1/99
New snow and storm force Westerly winds will continue to 
form unstable accumulations of  layered windslab mainly above 
750m in sheltered gullies and on slopes with a N to SE 
aspect.The avalanche hazard will remain High (Category 4) 
where deeper accumulations of windslab form, avalanches will 
occur in these areas. Unstable  cornices will continue to form 
and be prone to collapse.   


CLIMBING CONDITIONS 

SNOW DISTRIBUTION: Snow above 300m.

ICING:  Ice above 400m.
COMMENT:  Very strong  gusting Westerly winds and fresh 
unstable windslab will require immense caution.  Ridges and 
buttresses are the safest option.



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LOCHABER
AVALANCHE HAZARD 1500 HRS WED 13/1/98
Significant amounts of unstable windslab have formed in many 
locations overnight. Greatest accumulations are on sheltered 
steep slopes and gullies with N, NE and E aspects above 800m. 
Where this slab exists, it is weakly bonded. In these locations 
the avalanche hazard is High (Category 4). 

AVALANCHE HAZARD OUTLOOK THU 14/1/99
A strong to gale force Westerly airflow will deposit significant 
amounts of fresh unstable windslab overnight and through 
Thursday. Greatest accumulations will form on sheltered steep 
slopes and gullies with NE, E and SE aspects above 800m. 
Avalanches will occur in these locations. The avalanche hazard 
will be High (Category 4). Unstable cornices continuing to 
form.


CLIMBING CONDITIONS 

SNOW DISTRIBUTION: Good cover above 700m
ICING: Freezing level lowering to all levels overnight, rising to 
300m on Thursday.

COMMENT: High winds continuing.
 


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SOUTHERN CAIRNGORMS
AVALANCHE HAZARD 1500 HRS WED 13/1/99
Snowfall and redistributed snow are leaving accumulations in 
sheltered areas and gullies on N to SE aspects above 900m. 
Where snow exists in quantity it is weakly bonded and debris 
was noted in Lochnagar corrie. The avalanche hazard High 
(Category 4. Slopes exposed to the wind are scoured to expose 
an icy base.

AVALANCHE HAZARD OUTLOOK THU 14/1/99
There will be some snowfall tomorrow with very strong winds 
from the W to SW. New accumulations will  develop in 
sheltered locations on N to E aspects and be weakly bonded. 
Avalanches will occur on these aspects and cornices will be 
suspect. The avalanche hazard will be High (Category 4).
   

CLIMBING CONDITIONS 

SNOW DISTRIBUTION: Good cover above 700m but its 
moving about in the strong winds at the moment!

ICING: Building but under snow.

COMMENT: Will be very windy tomorrow.
 


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