Bridger Teton Avalanche Center
WESTERN WYOMING AVALANCHE ADIVSORY
Issued on Fri March 27, 2015 7:08 PM
Today was sunny and warm! The morning started on the warm side with temperatures in the mid twenties at 10000 feet and in the mid thirties from 8500 feet and below although the valleys themselves were cooler and like the summits started in the mid twenties. Clear skies overnight did help to promote strong surface crusting even in areas where the air temperature was above freezing. In many areas fresh surface hoar formed on top of the crusts. However these crusts and the new surface hoar quickly broke down as the sunny day and increasing temperatures took their toll. In the valleys temperatures reached the sixties while many 8000-9500 feet areas reached near fifty degrees and summits reached near forty degrees where southwest winds had 10 – 20 mile per hour averages. The strong warming that occurred today caused the snow that fell earlier in the week to be even more absorbed into the overall snowpack. Small wet loose slides were reported in steep terrain.
FORECAST FOR Saturday, March 28, 2015
On Saturday, temperatures are to start on the unseasonable warm side. Clouds and west winds are to increase and there is a chance for isolated rain and snow showers in the afternoon as a fast moving weak system moves through. Mountain highs are to again reach well into the forties. The general avalanche hazard will be Low in the early morning and quickly rise to Moderate by afternoon as thin morning surface crusts soften and the possibility for wet slides develops. Wet slides are unpredictable and backcountry travellers are encouraged to recreate early and to be out of avalanche terrain by the afternoon.
TREND FOR Sunday, March 29, 2015 AND Monday, March 30, 2015
Sunday and Monday look to be dry and partly cloudy with highs in the thirties. The cycle of Low early morning hazard followed by heightened hazard with the chance for wet slides in the afternoon is to continue.
For further information call 307-733-2664
To report an avalanche observation call 307-739-2607
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