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AST course, posting homework from Seattle Ridge field day!
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15 deg calm with fog to 1500' no new snow
Surface hoar on hard pack
1-2 facet layers in top 2 ft. 1/2" surface hoar on hard ice layer on surface above 1500'. Pits showed stable snow below 2'- 5' down to ground. CT 15-17's broke in a layer in the top 1'.